From c33851afa75d5d75fdd2143bdd8e0c582b570d58 Mon Sep 17 00:00:00 2001 From: donjuandem Date: Thu, 24 Nov 2016 14:12:46 +0100 Subject: [PATCH] extraction completed --- .gitignore | 37 + AUTHORS | 4 + CONTRIBUTING.md | 10 + ExpectStreamBak/.gitignore | 37 + ExpectStreamBak/AUTHORS | 4 + ExpectStreamBak/CONTRIBUTING.md | 10 + ExpectStreamBak/ISSUE_TEMPLATE.md | 1 + ExpectStreamBak/LICENSE | 674 + ExpectStreamBak/Makefile | 139 + .../docs/ast/source/AssertStream.js.json | 2233 ++ .../docs/ast/source/Expected.js.json | 4876 ++++ .../docs/ast/source/StreamHelper.js.json | 8549 +++++++ .../source/__tests__/AssertStreamTest.js.json | 10938 +++++++++ .../source/__tests__/ExpectStreamTest.js.json | 18568 ++++++++++++++++ .../ast/source/__tests__/ExpectedTest.js.json | 7435 +++++++ .../docs/ast/source/examples/test.js.json | 17 + ExpectStreamBak/docs/ast/source/index.js.json | 376 + ExpectStreamBak/docs/badge.svg | 17 + .../src/AssertStream.js~AssertStream.html | 464 + 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mode 100644 src/__tests__/ExpectStreamTest.js create mode 100644 src/__tests__/ExpectedTest.js create mode 100644 src/examples/test.js create mode 100644 src/index.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..fd687be --- /dev/null +++ b/.gitignore @@ -0,0 +1,37 @@ +# Logs +build +*.swp +logs +*.log +npm-debug.log* +build +.swp + +# Runtime data +pids +*.pid +*.seed + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (http://nodejs.org/api/addons.html) +build/Release + +# Dependency directory +node_modules + +# Optional npm cache directory +.npm + +# Optional REPL history +.node_repl_history diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..7e3de68 --- /dev/null +++ b/AUTHORS @@ -0,0 +1,4 @@ +# Authors ordered by the time of their first contribution + +Marco Sliwa +Pascal Schuler diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..c226410 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,10 @@ +# Contributing + +If you want to contribute to this repository, please ensure ... + - to use ```make``` for development (it validates the source code and transpiles it to ```/lib```). + - to follow the existing coding style. + - to use the linting tools that are listed in the ```package.json``` (which you get for free when using ```make```). + - to add and/or customize unit tests for any changed code. + - to reference the corresponding issue in your pull request with a small description of your changes. + +All contributors are listed in the ```AUTHORS``` file, sorted by the time of their first contribution. diff --git a/ExpectStreamBak/.gitignore b/ExpectStreamBak/.gitignore new file mode 100644 index 0000000..fd687be --- /dev/null +++ b/ExpectStreamBak/.gitignore @@ -0,0 +1,37 @@ +# Logs +build +*.swp +logs +*.log +npm-debug.log* +build +.swp + +# Runtime data +pids +*.pid +*.seed + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage + +# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (http://nodejs.org/api/addons.html) +build/Release + +# Dependency directory +node_modules + +# Optional npm cache directory +.npm + +# Optional REPL history +.node_repl_history diff --git a/ExpectStreamBak/AUTHORS b/ExpectStreamBak/AUTHORS new file mode 100644 index 0000000..7e3de68 --- /dev/null +++ b/ExpectStreamBak/AUTHORS @@ -0,0 +1,4 @@ +# Authors ordered by the time of their first contribution + +Marco Sliwa +Pascal Schuler diff --git a/ExpectStreamBak/CONTRIBUTING.md b/ExpectStreamBak/CONTRIBUTING.md new file mode 100644 index 0000000..c226410 --- /dev/null +++ b/ExpectStreamBak/CONTRIBUTING.md @@ -0,0 +1,10 @@ +# Contributing + +If you want to contribute to this repository, please ensure ... + - to use ```make``` for development (it validates the source code and transpiles it to ```/lib```). + - to follow the existing coding style. + - to use the linting tools that are listed in the ```package.json``` (which you get for free when using ```make```). + - to add and/or customize unit tests for any changed code. + - to reference the corresponding issue in your pull request with a small description of your changes. + +All contributors are listed in the ```AUTHORS``` file, sorted by the time of their first contribution. diff --git a/ExpectStreamBak/ISSUE_TEMPLATE.md b/ExpectStreamBak/ISSUE_TEMPLATE.md new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/ExpectStreamBak/ISSUE_TEMPLATE.md @@ -0,0 +1 @@ + diff --git a/ExpectStreamBak/LICENSE b/ExpectStreamBak/LICENSE new file mode 100644 index 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + {project} Copyright (C) {year} {fullname} + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/ExpectStreamBak/Makefile b/ExpectStreamBak/Makefile new file mode 100644 index 0000000..b516189 --- /dev/null +++ b/ExpectStreamBak/Makefile @@ -0,0 +1,139 @@ +.PHONY: test, build, setup, docs, install, clean + +## +# use bash as shell +# +SHELL:=/bin/bash + +## +# root directory (Makefile location) +# +WORKING_DIR:=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))) + +## +# default value for installdir (= working dir) +# +ifeq ($(INSTALLDIR),) +INSTALLDIR=$(WORKING_DIR) +endif + +## +# find all relevant sources (sources that end with .js) +# and get their path relative to working dir +# +SOURCES_RELATIVE:= \ + $(shell cd $(WORKING_DIR) && find src -type f -iname '*.js') + +## +# save the relative sources to a new variable that holds al SOURCES +# with absolute paths +# +SOURCES:= \ + $(foreach x, $(SOURCES_RELATIVE), $(WORKING_DIR)/$(x)) + +## +# these are our "object"-files - the files that are transpiled from +# es6 to es5 +# +OBJECTS:= \ + $(foreach x, $(SOURCES_RELATIVE), $(WORKING_DIR)/build/$(x)) + +## +# these are our "object"-files - the files that are transpiled from +# es6 to es5 +# +INSTALLED_OBJECTS:= \ + $(foreach x, $(shell cd $(WORKING_DIR)/src && find . -type f -iname '*.js'), $(INSTALLDIR)/lib/$(x)) \ + +## +# These are our example files - they will be moved to a separate +# examples dir in root folder +# +EXAMPLES:= \ + $(foreach x, $(shell cd $(WORKING_DIR)/src && find examples -type f -iname '*.js'), $(INSTALLDIR)/$(basename $(x))) + +all: install + +setup: $(WORKING_DIR)/setupfile + +build: $(OBJECTS) + @+make -s $(WORKING_DIR)/build/src/lib + +test: build + $(WORKING_DIR)/node_modules/.bin/istanbul cover --root $(WORKING_DIR)/build/src -x "**/__tests__/**" $(WORKING_DIR)/node_modules/.bin/_mocha $(shell find $(WORKING_DIR)/build/src -name "*Test.js") -- -R spec --require source-map-support/register + $(WORKING_DIR)/node_modules/.bin/remap-istanbul -i $(WORKING_DIR)/coverage/coverage.json -o $(WORKING_DIR)/coverage/lcov-report -t html + +docs: build + $(WORKING_DIR)/node_modules/.bin/esdoc -c esdoc.json + +install: docs test + @+make -s $(INSTALLED_OBJECTS) + @+make -s $(EXAMPLES) + $(info Copied $(INSTALLED_OBJECTS) to $(INSTALLDIR)) + +clean: + rm -rf $(WORKING_DIR)/build + rm -rf $(WORKING_DIR)/docs + rm -rf $(WORKING_DIR)/lib + rm -rf $(WORKING_DIR)/coverage + rm -rf $(WORKING_DIR)/setupfile + +## +# file to save setup status +# +$(WORKING_DIR)/setupfile: + @echo "setup done" > $(WORKING_DIR)/setupfile + +## +# this targets are necessary to not always trigger a rebuild of +# transpiled files, even if they exist. if the no-op is removed +# this will trigger a rebuild too +# +$(WORKING_DIR)/src/%.js: + @echo "" > /dev/null + +## +# target to create build/src. Used as precondition +# for linking a ne dir lib recursively to src +# +$(WORKING_DIR)/build/src: + mkdir -p $@ + +## +# links a directory "lib" located in build/src to src. +# Used to be able to test binaries, because they use +# the lib after compiling has finished +# +$(WORKING_DIR)/build/src/lib: $(WORKING_DIR)/build/src + ln -s $< $@ + +## +# every transpiled file requires a matching source file +# to be created. +# +$(WORKING_DIR)/build/src/%.js: $(WORKING_DIR)/src/%.js $(WORKING_DIR)/setupfile + mkdir -p $(dir $@) + $(WORKING_DIR)/node_modules/.bin/eslint $< + $(WORKING_DIR)/node_modules/.bin/babel $< --out-file $@ --source-maps --presets stage-0,es2015 --plugins transform-decorators-legacy,transform-runtime,transform-class-properties + +## +# every destination file needs a transpiled +# source that is tested +# +$(INSTALLDIR)/lib/%.js: $(WORKING_DIR)/build/src/%.js + mkdir -p $(dir $@) + cp $< $@ + +$(WORKING_DIR)/build/src/%.png: $(WORKING_DIR)/src/%.png + mkdir -p $(dir $@) + cp $< $@ + +## +# every destination file needs a transpiled +# source that is tested +# +$(INSTALLDIR)/examples/%: $(WORKING_DIR)/build/src/examples/%.js + mkdir -p $(dir $@) + echo "#!/usr/bin/env node" > $@ + cat $< >> $@ + chmod +x $@ diff --git a/ExpectStreamBak/docs/ast/source/AssertStream.js.json b/ExpectStreamBak/docs/ast/source/AssertStream.js.json new file mode 100644 index 0000000..a4782be --- /dev/null +++ b/ExpectStreamBak/docs/ast/source/AssertStream.js.json @@ -0,0 +1,2233 @@ +{ + "type": "Program", + "start": 0, + "end": 1405, + "loc": { + "start": { + "line": 1, + "column": 0 + }, + "end": { + "line": 48, + "column": 0 + } + }, + "sourceType": "module", + "body": [ + { + "type": "ImportDeclaration", + "start": 0, + "end": 34, + "loc": { + "start": { + "line": 1, + "column": 0 + }, + "end": { + "line": 1, + "column": 34 + } + }, + "specifiers": [ + { + "type": "ImportSpecifier", + "start": 9, + "end": 17, + "loc": { + "start": { + "line": 1, + "column": 9 + }, + "end": { 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} + }, + "specifiers": [ + { + "type": "ImportDefaultSpecifier", + "start": 7, + "end": 19, + "loc": { + "start": { + "line": 1, + "column": 7 + }, + "end": { + "line": 1, + "column": 19 + } + }, + "local": { + "type": "Identifier", + "start": 7, + "end": 19, + "loc": { + "start": { + "line": 1, + "column": 7 + }, + "end": { + "line": 1, + "column": 19 + } + }, + "name": "StreamHelper" + } + } + ], + "importKind": "value", + "source": { + "type": "Literal", + "start": 25, + "end": 41, + "loc": { + "start": { + "line": 1, + "column": 25 + }, + "end": { + "line": 1, + "column": 41 + } + }, + "value": "./StreamHelper", + "rawValue": "./StreamHelper", + "raw": "\"./StreamHelper\"" + } + }, + { + "type": "VariableDeclaration", + "start": 44, + "end": 73, + "loc": { + "start": { + "line": 3, + "column": 0 + }, + "end": { + "line": 3, + "column": 29 + } + }, + "declarations": [ + { + "type": "VariableDeclarator", + "start": 50, + "end": 72, + "loc": { + "start": { + "line": 3, + "column": 6 + }, + "end": { + "line": 3, + "column": 28 + } + }, + "id": { + "type": "Identifier", + "start": 50, + "end": 54, + "loc": { + "start": { + "line": 3, + "column": 6 + }, + "end": { + "line": 3, + "column": 10 + } + }, + "name": "chai" + }, + "init": { + "type": "CallExpression", + "start": 57, + "end": 72, + "loc": { + "start": { + "line": 3, + "column": 13 + }, + "end": { + "line": 3, + "column": 28 + } + }, + "callee": { + "type": "Identifier", + "start": 57, + "end": 64, + "loc": { + "start": { + "line": 3, + "column": 13 + }, + "end": { + "line": 3, + "column": 20 + } + }, + "name": "require" + }, + "arguments": [ + { + "type": "Literal", + "start": 65, + "end": 71, + "loc": { + "start": { + "line": 3, + "column": 21 + }, + "end": { + "line": 3, + "column": 27 + } + }, + "value": "chai", + "rawValue": "chai", + "raw": "\"chai\"" + } + ] + } + } + ], + "kind": "const" + }, + { + "type": "ExpressionStatement", + "start": 75, + "end": 98, + "loc": { + "start": { + "line": 5, + "column": 0 + }, + "end": { + "line": 5, + "column": 23 + } + }, + "expression": { + "type": "CallExpression", + "start": 75, + "end": 97, + "loc": { + "start": { + "line": 5, + "column": 0 + }, + "end": { + "line": 5, + "column": 22 + } + }, + "callee": { + "type": "MemberExpression", + "start": 75, + "end": 83, + "loc": { + "start": { + "line": 5, + "column": 0 + }, + "end": { + "line": 5, + "column": 8 + } + }, + "object": { + "type": "Identifier", + "start": 75, + "end": 79, + "loc": { + "start": { + "line": 5, + "column": 0 + }, + "end": { + "line": 5, + "column": 4 + } + }, + "name": "chai" + }, + "property": { + "type": "Identifier", + "start": 80, + "end": 83, + "loc": { + "start": { + "line": 5, + "column": 5 + }, + "end": { + "line": 5, + "column": 8 + } + }, + "name": "use" + }, + "computed": false + }, + "arguments": [ + { + "type": "Identifier", + "start": 84, + "end": 96, + "loc": { + "start": { + "line": 5, + "column": 9 + }, + "end": { + "line": 5, + "column": 21 + } + }, + "name": "StreamHelper" + } + ] + } + }, + { + "type": "ExpressionStatement", + "start": 100, + "end": 122, + "loc": { + "start": { + "line": 7, + "column": 0 + }, + "end": { + "line": 7, + "column": 22 + } + }, + "expression": { + "type": "AssignmentExpression", + "start": 100, + "end": 121, + "loc": { + "start": { + "line": 7, + "column": 0 + }, + "end": { + "line": 7, + "column": 21 + } + }, + "operator": "=", + "left": { + "type": "MemberExpression", + "start": 100, + "end": 114, + "loc": { + "start": { + "line": 7, + "column": 0 + }, + "end": { + "line": 7, + "column": 14 + } + }, + "object": { + "type": "Identifier", + "start": 100, + "end": 106, + "loc": { + "start": { + "line": 7, + "column": 0 + }, + "end": { + "line": 7, + "column": 6 + } + }, + "name": "module" + }, + "property": { + "type": "Identifier", + "start": 107, + "end": 114, + "loc": { + "start": { + "line": 7, + "column": 7 + }, + "end": { + "line": 7, + "column": 14 + } + }, + "name": "exports" + }, + "computed": false + }, + "right": { + "type": "Identifier", + "start": 117, + "end": 121, + "loc": { + "start": { + "line": 7, + "column": 17 + }, + "end": { + "line": 7, + "column": 21 + } + }, + "name": "chai" + } + } + } + ] +} \ No newline at end of file diff --git a/ExpectStreamBak/docs/badge.svg b/ExpectStreamBak/docs/badge.svg new file mode 100644 index 0000000..2676430 --- /dev/null +++ b/ExpectStreamBak/docs/badge.svg @@ -0,0 +1,17 @@ + + + + + + + + + + + + document + document + 50% + 50% + + diff --git a/ExpectStreamBak/docs/class/src/AssertStream.js~AssertStream.html b/ExpectStreamBak/docs/class/src/AssertStream.js~AssertStream.html new file mode 100644 index 0000000..4f20b1e --- /dev/null +++ b/ExpectStreamBak/docs/class/src/AssertStream.js~AssertStream.html @@ -0,0 +1,464 @@ + + + + + + AssertStream | API Document + + + + + + + + + +
+ Home + + Reference + Source + + Repository +
+ + + + +
    +
    +
    + + + +
    + 
    import AssertStream from 'expect-stream/src/AssertStream.js'
    + public + class + + + + | source +
    + +
    +

    AssertStream

    + + + + + +

    Extends:

    stream~Writable → AssertStream
    + + + + + + + + + +

    this stream is used to be piped into. +it ends if the expected value was received.

    +
    + + + + + + + + +
    + + + +

    Constructor Summary

    + + + + + + + + + +
    Public Constructor
    + public + + + + + +
    +

    + constructor(expected: *, options: object) +

    +
    +
    + + +

    constructor for this stream

    +
    +
    +     		+ + +
    +
    +

    Member Summary

    + + + + + + + + + + + + + + +
    Public Members
    + public + + + + + +
    +

    + expected: * +

    +
    +
    + + + +
    +     		+ + +
    + public + + + + + +
    +

    + tapper: * +

    +
    +
    + + + +
    +     		+ + +
    +
    +

    Method Summary

    + + + + + + + + + +
    Public Methods
    + public + + + + + +
    +

    + _write(chunk: string | object, enc: string, cb: function): * +

    +
    +
    + + +

    implementation of the write function.

    +
    +
    +     		+ + +
    +
    + + + + + +

    Public Constructors

    + +
    +

    + public + + + + + constructor(expected: *, options: object) + + + + source + +

    + + + + +

    constructor for this stream

    +
    + + + +
    +

    Params:

    + + + + + + + + + + + + + + + + + + + +
    NameTypeAttributeDescription
    expected*

    value

    +
    optionsobject

    configuring the behaviour of AssertSream

    +
    +
    +
    + + + + + + + + + + + + + + + +
    +
    +

    Public Members

    + +
    +

    + public + + + + + expected: * + + + + source + +

    + + + + + + + + +
    +
    + + + + + + + + + + + + + + + +
    +
    +

    + public + + + + + tapper: * + + + + source + +

    + + + + + + + + +
    +
    + + + + + + + + + + + + + + + +
    +
    +

    Public Methods

    + +
    +

    + public + + + + + _write(chunk: string | object, enc: string, cb: function): * + + + + source + +

    + + + + +

    implementation of the write function. transforms data, +so that it can be compared, emits end on match, otherwise +continues.

    +
    + + + +
    +

    Params:

    + + + + + + + + + + + + + + + + + + + + + + + + + +
    NameTypeAttributeDescription
    chunkstring | object

    of data

    +
    encstring

    of data

    +
    cbfunction

    when operation finished

    +
    +
    +
    + +
    +

    Return:

    + + + + + +
    *
    +
    +
    +
    + + + + + + + + + + + + + +
    +
    +
    + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/class/src/Expected.js~Expected.html b/ExpectStreamBak/docs/class/src/Expected.js~Expected.html new file mode 100644 index 0000000..e7660fa --- /dev/null +++ b/ExpectStreamBak/docs/class/src/Expected.js~Expected.html @@ -0,0 +1,983 @@ + + + + + + Expected | API Document + + + + + + + + + +
    + Home + + Reference + Source + + Repository +
    + + + + +
      +
      +
      + + + +
      + 
      import Expected from 'expect-stream/src/Expected.js'
      + public + class + + + + | source +
      + +
      +

      Expected

      + + + + + + + + + + + + + + + + + + + + + + + + +
      + + +

      Static Method Summary

      + + + + + + + + + +
      Static Public Methods
      + public + static + + + + +
      +

      + of(args: *): Expected +

      +
      +
      + + +

      Creates an ExpectationClass, that checks, +whether an incoming value matches the +expectations

      +
      +
      +       		+ + +
      +
      +

      Constructor Summary

      + + + + + + + + + +
      Public Constructor
      + public + + + + + +
      +

      + constructor(expected: *, options: object) +

      +
      +
      + + +

      Constructor of Expected

      +
      +
      +       		+ + +
      +
      +

      Member Summary

      + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
      Public Members
      + public + + + + + +
      +

      + expected: * +

      +
      +
      + + + +
      +       		+ + +
      + public + + + + + +
      +

      + expection: * +

      +
      +
      + + + +
      +       		+ + +
      + public + + + + + +
      +

      + filter: * +

      +
      +
      + + + +
      +       		+ + +
      + public + + + + + +
      +

      + matcher: * +

      +
      +
      + + + +
      +       		+ + +
      + public + + + + + +
      +

      + messages: * +

      +
      +
      + + + +
      +       		+ + +
      + public + + + + + +
      +

      + onMisMatch: * +

      +
      +
      + + + +
      +       		+ + +
      +
      +

      Method Summary

      + + + + + + + + + + + + + + + + + + + +
      Public Methods
      + public + + + + + +
      +

      + getError(): Error +

      +
      +
      + + +

      produces the error containing the expected vs actual results

      +
      +
      +       		+ + +
      + public + + + + + +
      +

      + includes(value: *): Number +

      +
      +
      + + +

      Checks if next value in list matches the input

      +
      +
      +       		+ + +
      + public + + + + + +
      +

      + match(value: *): Number +

      +
      +
      + + +

      Compares input with expectations

      +
      +
      +       		+ + +
      +
      + + + + +

      Static Public Methods

      + +
      +

      + public + static + + + + of(args: *): Expected + + + + source + +

      + + + + +

      Creates an ExpectationClass, that checks, +whether an incoming value matches the +expectations

      +
      + + + +
      +

      Params:

      + + + + + + + + + + + + + +
      NameTypeAttributeDescription
      args*

      needed for creation

      +
      +
      +
      + +
      +

      Return:

      + + + + + +
      Expected
      +
      +
      +
      + + + + + + + + + + + + + +
      +
      +

      Public Constructors

      + +
      +

      + public + + + + + constructor(expected: *, options: object) + + + + source + +

      + + + + +

      Constructor of Expected

      +
      + + + +
      +

      Params:

      + + + + + + + + + + + + + + + + + + + +
      NameTypeAttributeDescription
      expected*

      compared with input

      +
      optionsobject

      for custom matcning behaviour

      +
      +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      Public Members

      + +
      +

      + public + + + + + expected: * + + + + source + +

      + + + + + + + + +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      + public + + + + + expection: * + + + + source + +

      + + + + + + + + +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      + public + + + + + filter: * + + + + source + +

      + + + + + + + + +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      + public + + + + + matcher: * + + + + source + +

      + + + + + + + + +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      + public + + + + + messages: * + + + + source + +

      + + + + + + + + +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      + public + + + + + onMisMatch: * + + + + source + +

      + + + + + + + + +
      +
      + + + + + + + + + + + + + + + +
      +
      +

      Public Methods

      + +
      +

      + public + + + + + getError(): Error + + + + source + +

      + + + + +

      produces the error containing the expected vs actual results

      +
      + + + +
      +
      + +
      +

      Return:

      + + + + + +
      Error
      +
      +
      +
      + + + + + + + + + + + + + +
      +
      +

      + public + + + + + includes(value: *): Number + + + + source + +

      + + + + +

      Checks if next value in list matches the input

      +
      + + + +
      +

      Params:

      + + + + + + + + + + + + + +
      NameTypeAttributeDescription
      value*

      to be compared

      +
      +
      +
      + +
      +

      Return:

      + + + + + +
      Number
      +
      +
      +
      + + + + + + + + + + + + + +
      +
      +

      + public + + + + + match(value: *): Number + + + + source + +

      + + + + +

      Compares input with expectations

      +
      + + + +
      +

      Params:

      + + + + + + + + + + + + + +
      NameTypeAttributeDescription
      value*

      to be compared

      +
      +
      +
      + +
      +

      Return:

      + + + + + +
      Number
      +
      +
      +
      + + + + + + + + + + + + + +
      +
      +
      + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/coverage.json b/ExpectStreamBak/docs/coverage.json new file mode 100644 index 0000000..05c148e --- /dev/null +++ b/ExpectStreamBak/docs/coverage.json @@ -0,0 +1,33 @@ +{ + "coverage": "50%", + "expectCount": 18, + "actualCount": 9, + "files": { + "src/AssertStream.js": { + "expectCount": 5, + "actualCount": 3, + "undocumentLines": [ + 25, + 26 + ] + }, + "src/Expected.js": { + "expectCount": 12, + "actualCount": 5, + "undocumentLines": [ + 8, + 32, + 31, + 35, + 33, + 30, + 34 + ] + }, + "src/StreamHelper.js": { + "expectCount": 1, + "actualCount": 1, + "undocumentLines": [] + } + } +} \ No newline at end of file diff --git a/ExpectStreamBak/docs/css/prettify-tomorrow.css b/ExpectStreamBak/docs/css/prettify-tomorrow.css new file mode 100644 index 0000000..b6f92a7 --- /dev/null +++ b/ExpectStreamBak/docs/css/prettify-tomorrow.css @@ -0,0 +1,132 @@ +/* Tomorrow Theme */ +/* Original theme - https://github.com/chriskempson/tomorrow-theme */ +/* Pretty printing styles. Used with prettify.js. */ +/* SPAN elements with the classes below are added by prettyprint. */ +/* plain text */ +.pln { + color: #4d4d4c; } + +@media screen { + /* string content */ + .str { + color: #718c00; } + + /* a keyword */ + .kwd { + color: #8959a8; } + + /* a comment */ + .com { + color: #8e908c; } + + /* a type name */ + .typ { + color: #4271ae; } + + /* a literal value */ + .lit { + color: #f5871f; } + + /* punctuation */ + .pun { + color: #4d4d4c; } + + /* lisp open bracket */ + .opn { + color: #4d4d4c; } + + /* lisp close bracket */ + .clo { + color: #4d4d4c; } + + /* a markup tag name */ + .tag { + color: #c82829; } + + /* a markup attribute name */ + .atn { + color: #f5871f; } + + /* a markup attribute value */ + .atv { + color: #3e999f; } + + /* a declaration */ + .dec { + color: #f5871f; } + + /* a variable name */ + .var { + color: #c82829; } + + /* a function name */ + .fun { + color: #4271ae; } } +/* Use higher contrast and text-weight for printable form. */ +@media print, projection { + .str { + color: #060; } + + .kwd { + color: #006; + font-weight: bold; } + + .com { + color: #600; + font-style: italic; } + + .typ { + color: #404; + font-weight: bold; } + + .lit { + color: #044; } + + .pun, .opn, .clo { + color: #440; } + + .tag { + color: #006; + font-weight: bold; } + + .atn { + color: #404; } + + .atv { + color: #060; } } +/* Style */ +/* +pre.prettyprint { + background: white; + font-family: Consolas, Monaco, 'Andale Mono', monospace; + font-size: 12px; + line-height: 1.5; + border: 1px solid #ccc; + padding: 10px; } +*/ + +/* Specify class=linenums on a pre to get line numbering */ +ol.linenums { + margin-top: 0; + margin-bottom: 0; } + +/* IE indents via margin-left */ +li.L0, +li.L1, +li.L2, +li.L3, +li.L4, +li.L5, +li.L6, +li.L7, +li.L8, +li.L9 { + /* */ } + +/* Alternate shading for lines */ +li.L1, +li.L3, +li.L5, +li.L7, +li.L9 { + /* */ } diff --git a/ExpectStreamBak/docs/css/style.css b/ExpectStreamBak/docs/css/style.css 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"access": null, + "description": null, + "lineNumber": 1, + "content": "import isArray from \"lodash.isarray\";\nimport isEqual from \"lodash.isequal\";\nimport isFunction from \"lodash.isfunction\";\nimport isNil from \"lodash.isnil\";\nimport isMatch from \"lodash.ismatch\";\nimport { expect } from \"chai\";\n\nexport default class Expected {\n\n /**\n * Creates an ExpectationClass, that checks,\n * whether an incoming value matches the\n * expectations\n *\n * @param {*} args needed for creation\n * @return {Expected}\n */\n static of(...args) {\n return new Expected(...args);\n }\n\n /**\n * Constructor of Expected\n *\n * @constructor\n * @param {*} expected compared with input\n * @param {object} options for custom matcning behaviour\n */\n constructor(expected, { filter, eventually, strict }) {\n this.messages = [];\n this.expection = isArray(expected) ? expected.slice(0) : expected;\n this.expected = expected;\n this.matcher = isNil(strict) ? isMatch : isEqual;\n this.onMisMatch = isNil(eventually) ? -1 : 0;\n this.filter = isNil(filter) ? () => true : filter;\n }\n\n /**\n * Checks if next value in list matches the input\n *\n * @param {*} value to be compared\n * @return {Number}\n */\n includes(value) {\n const expected = this.expected.shift();\n const matches = this.matcher(value, expected);\n const onMatch = this.expected.length === 0 ? 1 : 0;\n\n this.expected = matches ? this.expected : [expected].concat(this.expected);\n\n return matches ? onMatch : this.onMisMatch;\n }\n\n /**\n * Compares input with expectations\n *\n * @param {*} value to be compared\n * @return {Number}\n */\n match(value) { // eslint-disable-line\n this.messages.push(value);\n\n if(!this.filter(value)) return 0;\n if(isFunction(this.expected)) return this.expected(value);\n if(isArray(this.expected)) return this.includes(value);\n\n return this.matcher(value, this.expected) ? 1 : this.onMisMatch;\n }\n\n /**\n * produces the error containing the expected vs actual results\n *\n * @return {Error}\n */\n getError() {\n if(isFunction(this.expection)) return new Error(`the messages ${JSON.stringify(this.messages)} do not match your expectations.`);\n\n try {\n expect(this.messages).to.eql(this.expection);\n\n return null;\n } catch(e) {\n return e;\n }\n }\n}\n" + }, + { + "__docId__": 7, + "kind": "class", + "static": true, + "variation": null, + "name": "Expected", + "memberof": "src/Expected.js", + "longname": "src/Expected.js~Expected", + "access": null, + "export": true, + "importPath": "expect-stream/src/Expected.js", + "importStyle": "Expected", + "description": null, + "lineNumber": 8, + "undocument": true, + "interface": false + }, + { + "__docId__": 8, + "kind": "method", + "static": true, + "variation": null, + "name": "of", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected.of", + "access": null, + "description": "Creates an ExpectationClass, that checks,\nwhether an incoming value matches the\nexpectations", + "lineNumber": 18, + "params": [ + { + "nullable": null, + "types": [ + "*" + ], + "spread": false, + "optional": false, + "name": "args", + "description": "needed for creation" + } + ], + "return": { + "nullable": null, + "types": [ + "Expected" + ], + "spread": false, + "description": "" + }, + "generator": false + }, + { + "__docId__": 9, + "kind": "constructor", + "static": false, + "variation": null, + "name": "constructor", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#constructor", + "access": null, + "description": "Constructor of Expected", + "lineNumber": 29, + "unknown": [ + { + "tagName": "@constructor", + "tagValue": "" + } + ], + "params": [ + { + "nullable": null, + "types": [ + "*" + ], + "spread": false, + "optional": false, + "name": "expected", + "description": "compared with input" + }, + { + "nullable": null, + "types": [ + "object" + ], + "spread": false, + "optional": false, + "name": "options", + "description": "for custom matcning behaviour" + } + ], + "generator": false + }, + { + "__docId__": 10, + "kind": "member", + "static": false, + "variation": null, + "name": "messages", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#messages", + "access": null, + "description": null, + "lineNumber": 30, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 11, + "kind": "member", + "static": false, + "variation": null, + "name": "expection", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#expection", + "access": null, + "description": null, + "lineNumber": 31, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 12, + "kind": "member", + "static": false, + "variation": null, + "name": "expected", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#expected", + "access": null, + "description": null, + "lineNumber": 32, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 13, + "kind": "member", + "static": false, + "variation": null, + "name": "matcher", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#matcher", + "access": null, + "description": null, + "lineNumber": 33, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 14, + "kind": "member", + "static": false, + "variation": null, + "name": "onMisMatch", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#onMisMatch", + "access": null, + "description": null, + "lineNumber": 34, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 15, + "kind": "member", + "static": false, + "variation": null, + "name": "filter", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#filter", + "access": null, + "description": null, + "lineNumber": 35, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 16, + "kind": "method", + "static": false, + "variation": null, + "name": "includes", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#includes", + "access": null, + "description": "Checks if next value in list matches the input", + "lineNumber": 44, + "params": [ + { + "nullable": null, + "types": [ + "*" + ], + "spread": false, + "optional": false, + "name": "value", + "description": "to be compared" + } + ], + "return": { + "nullable": null, + "types": [ + "Number" + ], + "spread": false, + "description": "" + }, + "generator": false + }, + { + "__docId__": 17, + "kind": "member", + "static": false, + "variation": null, + "name": "expected", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#expected", + "access": null, + "description": null, + "lineNumber": 49, + "undocument": true, + "type": { + "types": [ + "*" + ] + } + }, + { + "__docId__": 18, + "kind": "method", + "static": false, + "variation": null, + "name": "match", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#match", + "access": null, + "description": "Compares input with expectations", + "lineNumber": 60, + "params": [ + { + "nullable": null, + "types": [ + "*" + ], + "spread": false, + "optional": false, + "name": "value", + "description": "to be compared" + } + ], + "return": { + "nullable": null, + "types": [ + "Number" + ], + "spread": false, + "description": "" + }, + "generator": false + }, + { + "__docId__": 19, + "kind": "method", + "static": false, + "variation": null, + "name": "getError", + "memberof": "src/Expected.js~Expected", + "longname": "src/Expected.js~Expected#getError", + "access": null, + "description": "produces the error containing the expected vs actual results", + "lineNumber": 75, + "params": [], + "return": { + "nullable": null, + "types": [ + "Error" + ], + "spread": false, + "description": "" + }, + "generator": false + }, + { + "__docId__": 20, + "kind": "file", + "static": true, + "variation": null, + "name": "src/StreamHelper.js", + "memberof": null, + "longname": "src/StreamHelper.js", + "access": null, + "description": null, + "lineNumber": 1, + "content": "import isFunction from \"lodash.isfunction\";\nimport assert from \"assert\";\nimport AssertStream from \"./AssertStream\";\nimport defaults from \"set-default-value\";\n\n/**\n * this function adds the new methods to the Assertion\n * chain, where they have the following responsibilities:\n *\n * produce: sets the expected value of the stream\n * on: gives a set of input values, if testing\n * a transformer\n * notify: cb for error and done notifications\n *\n * @param {object} chai to be extended\n */\nconst StreamHelper = function({ Assertion }) {\n Assertion.addChainableMethod(\"exactly\", function(expected) {\n this.expected = defaults(expected).to(this.expected);\n this.strictEquality = true;\n }, function() {\n this.strictEquality = true;\n });\n\n Assertion.addChainableMethod(\"produce\", function(expected) {\n this.expected = expected;\n this.args = [];\n }, function() {\n this.args = [];\n });\n\n Assertion.addProperty(\"eventually\", function() {\n this.checkAllResults = true;\n });\n\n Assertion.addMethod(\"filter\", function(filter) {\n this.filterMethod = filter;\n });\n\n Assertion.addMethod(\"notify\", function(done) {\n const sink = new AssertStream(this.expected, {\n filter: this.filterMethod,\n tapper: this.tapper,\n eventually: this.checkAllResults,\n strict: this.strictEquality\n });\n\n this._obj.pipe(sink) // eslint-disable-line\n .on(\"done\", done)\n .on(\"error\", done);\n\n this.args.forEach(arg => this._obj.write(arg)); // eslint-disable-line\n });\n\n Assertion.addMethod(\"tap\", function(tapper) {\n this.tapper = tapper;\n });\n\n Assertion.addMethod(\"on\", function(...args) {\n const { write } = this._obj; // eslint-disable-line\n\n assert(\n (args.length > 0 && isFunction(write)) ||\n (args.length === 0 && !isFunction(write)\n ), \"You can only use arguments with a writable stream.\");\n\n this.args = args;\n });\n};\n\nexport default StreamHelper;\n" + }, + { + "__docId__": 21, + "kind": "function", + "static": true, + "variation": null, + "name": "StreamHelper", + "memberof": "src/StreamHelper.js", + "longname": "src/StreamHelper.js~StreamHelper", + "access": null, + "export": true, + "importPath": "expect-stream/src/StreamHelper.js", + "importStyle": "StreamHelper", + "description": "this function adds the new methods to the Assertion\nchain, where they have the following responsibilities:\n\nproduce: sets the expected value of the stream\non: gives a set of input values, if testing\n a transformer\nnotify: cb for error and done notifications", + "lineNumber": 17, + "params": [ + { + "nullable": null, + "types": [ + "object" + ], + "spread": false, + "optional": false, + "name": "chai", + "description": "to be extended" + } + ], + "generator": false + }, + { + "__docId__": 22, + "kind": "file", + "static": true, + "variation": null, + "name": "src/__tests__/AssertStreamTest.js", + "memberof": null, + "longname": "src/__tests__/AssertStreamTest.js", + "access": null, + "description": null, + "lineNumber": 1, + "content": "import AssertStream from \"../AssertStream\";\nimport sinon from \"sinon\";\nimport { expect } from \"chai\";\n\ndescribe(\"AssertStreamTest\", function() {\n it(\"writes to an assert stream with a value expectation, until it ends with the expected value.\", function(done) {\n const tapSpy = sinon.spy();\n const onEnd = sinon.spy();\n const stream = new AssertStream({\n test: \"test\"\n }, {\n tapper: tapSpy,\n eventually: true\n });\n\n stream.on(\"done\", onEnd);\n\n stream.write(\"bla\");\n stream.write({});\n stream.write({\n test: \"test\"\n });\n\n setTimeout(function() {\n expect(onEnd.callCount).to.equal(1);\n expect(tapSpy.firstCall.args.shift()).to.equal(\"bla\");\n expect(tapSpy.firstCall.args.shift()).to.equal(0);\n expect(tapSpy.secondCall.args.shift()).to.eql({});\n expect(tapSpy.secondCall.args.shift()).to.equal(0);\n expect(tapSpy.thirdCall.args.shift()).to.eql({\n test: \"test\"\n });\n expect(tapSpy.thirdCall.args.shift()).to.equal(1);\n expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n done();\n }, 20);\n });\n\n it(\"writes to an assert stream with a function expectation, until it ends with the expected value.\", function(done) {\n const onEnd = sinon.spy();\n const stream = new AssertStream(x => x.test === \"test\" ? 1 : 0, {});\n\n stream.on(\"done\", onEnd);\n\n stream.write(\"bla\");\n stream.write({});\n stream.write({\n test: \"test\"\n });\n\n setTimeout(function() {\n expect(onEnd.callCount).to.equal(1);\n expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n done();\n }, 20);\n });\n\n it(\"writes to an assert stream with a function expectation, until it ends with the expected value.\", function(done) {\n const tapSpy = sinon.spy();\n const stream = new AssertStream(x => x.test === \"test\" ? 1 : -1, {\n tapper: tapSpy\n });\n\n stream.on(\"error\", e => {\n expect(e.message).to.equal(\"the messages [\\\"bla\\\"] do not match your expectations.\");\n expect(tapSpy.firstCall.args.shift()).to.equal(\"bla\");\n expect(tapSpy.firstCall.args.shift()).to.equal(-1);\n expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n done();\n });\n\n stream.write(\"bla\");\n });\n\n it(\"writes to an assert stream, that expects multiple messages\", function(done) {\n const tapSpy = sinon.spy();\n const stream = new AssertStream([\"test1\", \"test2\", \"test3\"], {\n tapper: tapSpy\n });\n const onEnd = function() {\n expect(tapSpy.firstCall.calledWith(\"test1\", 0));\n expect(tapSpy.secondCall.calledWith(\"test2\", 0));\n expect(tapSpy.thirdCall.calledWith(\"test3\", 1));\n expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n done();\n };\n\n stream.on(\"done\", onEnd);\n stream.write(\"test1\");\n stream.write(\"test2\");\n stream.write(\"test3\");\n });\n\n it(\"writes to an assert stream, filtering some messages\", function(done) {\n const tapSpy = sinon.spy();\n const stream = new AssertStream([\"test1\", \"test2\"], {\n tapper: tapSpy,\n filter: value => value !== \"test4\"\n });\n\n const onEnd = function() {\n expect(tapSpy.firstCall.calledWith(\"test4\", 0));\n expect(tapSpy.secondCall.calledWith(\"test1\", 0));\n expect(tapSpy.thirdCall.calledWith(\"test2\", 1));\n expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n done();\n };\n\n stream.on(\"done\", onEnd);\n stream.write(\"test4\");\n stream.write(\"test1\");\n stream.write(\"test2\");\n });\n});\n" + }, + { + "__docId__": 23, + "kind": "file", + "static": true, + "variation": null, + "name": "src/__tests__/ExpectStreamTest.js", + "memberof": null, + "longname": "src/__tests__/ExpectStreamTest.js", + "access": null, + "description": null, + "lineNumber": 1, + "content": "import isArray from \"lodash.isarray\";\nimport { expect } from \"../index\";\nimport { Readable, Transform } from \"stream\";\nimport assert from \"assert\";\nimport sinon from \"sinon\";\n\nclass ReadStream extends Readable {\n constructor(messages = \"lala\") {\n super({ objectMode: true });\n\n this.messages = messages;\n }\n\n _read() {\n this.push(\n isArray(this.messages) ?\n this.messages.shift() :\n this.messages\n );\n }\n}\n\nclass TransformStream extends Transform {\n _transform(chunk, enc, cb) {\n this.push(chunk);\n setTimeout(cb, 20);\n }\n}\n\n\nclass ReadObjectStream extends Readable {\n constructor() {\n super({\n objectMode: true\n });\n }\n\n _read() {\n this.push({\n test: {\n test: []\n }\n });\n }\n}\n\nclass TransformObjStream extends Transform {\n constructor() {\n super({\n objectMode: true\n });\n }\n\n _transform(obj, enc, cb) {\n this.push(obj);\n setTimeout(cb, 20);\n }\n}\n\n\ndescribe(\"ExpectStreamTest\", function() { // eslint-disable-line\n it(\"uses the produce assertion with a readstream, matching exactly\", function(done) {\n expect(new ReadStream([\"lala1\", \"lala2\", \"lala3\"]))\n .to.produce([\"lala1\", \"lala2\", \"lala3\"])\n .notify(done);\n });\n\n it(\"uses the produce assertion with a readstream, matching on strict equality\", function(done) {\n expect(new ReadStream({ test: \"lala\" }))\n .to.exactly.produce({ test: \"lala\" })\n .notify(done);\n });\n\n it(\"uses the produce assertion with a readstream, matching on strict equality - part2\", function(done) {\n expect(new ReadStream({ test: \"lala\" }))\n .to.produce.exactly({ test: \"lala\" })\n .notify(done);\n });\n\n it(\"uses the produce assertion with a readstream, containing at least key test\", function(done) {\n expect(new ReadStream({ test: \"lala\", another: \"lulu\" }))\n .to.produce({ test: \"lala\" })\n .notify(done);\n });\n\n it(\"uses the produce assertion with a readstream, containing at least key test\", function(done) {\n expect(new ReadStream({ test: \"lala\" }))\n .to.produce({ test: \"lala\", another: \"lulu\" })\n .notify(e => e ? done() : done(new Error(\"Shouldn't end up here.\")));\n });\n\n it(\"uses the produce assertion with a readstream, matching exactly and fails\", function(done) {\n const stream = new ReadStream([\"lala1\", \"lala\", \"lala3\"]);\n\n expect(stream)\n .to.produce([\"lala1\", \"lala2\", \"lala3\"])\n .notify(e => {\n if(!e) return done(new Error(\"Should fail\"));\n\n try {\n expect(stream._readableState.ended).to.equal(false); // eslint-disable-line\n\n return done();\n } catch(e2) {\n return done(e2);\n }\n });\n });\n\n it(\"uses the produce assertion with a readstream, matching not exactly\", function(done) {\n const stream = new ReadStream([\"lala1\", \"lala\", \"lala2\", \"lala3\"]);\n\n expect(stream)\n .to.eventually.produce([\"lala1\", \"lala2\", \"lala3\"])\n .notify(e => {\n if(e) return done(e);\n\n try {\n expect(stream._readableState.ended).to.equal(false); // eslint-disable-line\n\n return done();\n } catch(e2) {\n return done(e2);\n }\n });\n });\n\n it(\"uses the produce assertion with a readstream, matching exactly, but filtering some messages\", function(done) {\n expect(new ReadStream([\"lala1\", \"lala\", \"lala2\", \"lala3\"]))\n .filter(value => value !== \"lala\")\n .to.produce([\"lala1\", \"lala2\", \"lala3\"])\n .notify(done);\n });\n\n it(\"uses the eventually produce assertion with a readstream, producing buffers.\", function(done) {\n expect(new ReadStream()).to.eventually.produce(\"lala\").notify(done);\n });\n\n it(\"uses the produce assertion with a readstream, producing objects.\", function(done) {\n expect(new ReadObjectStream()).to.eventually.produce({\n test: {\n test: []\n }\n }).notify(done);\n });\n\n it(\"fails the produce assertion on the readstream with buffers.\", function(done) {\n expect(new ReadStream()).to.eventually.produce(\"lulu\").notify(() => done(new Error(\"should not finish\")));\n setTimeout(() => done(), 20);\n });\n\n it(\"fails the produce assertion on the readstream with objects.\", function(done) {\n expect(new ReadStream()).to.eventually.produce({\n test: \"test2\"\n }).notify(() => done(new Error(\"should not finish\")));\n\n setTimeout(() => done(), 20);\n });\n\n it(\"uses the produce assertion with a transformstream, producing buffers.\", function(done) {\n expect(new TransformStream()).to.eventually.produce(\"huhu\").on(\"lala\", \"test\", \"huhu\").notify(done);\n });\n\n it(\"uses the produce assertion with a transformstream, producing objects.\", function(done) {\n expect(new TransformObjStream()).to.eventually.produce({\n test: {\n test: []\n }\n }).on(\"lala\", \"test\", \"huhu\", {\n test: {\n test: []\n }\n }).notify(done);\n });\n\n it(\"fails the produce assertion with a transformstream, producing buffers.\", function(done) {\n expect(new TransformStream())\n .to.eventually.produce(\"huhu\")\n .on(\"lala\", \"test\")\n .notify(() => done(new Error(\"should not finish\")));\n\n setTimeout(() => done(), 70);\n });\n\n it(\"fails the produce assertion with a transformstream, producing objects.\", function(done) {\n expect(new TransformObjStream())\n .to.eventually.produce({\n test: {\n test: []\n }\n })\n .on(\"lala\", \"test\", {\n test: {\n test: 1\n }\n })\n .notify(() => done(new Error(\"should not finish\")));\n\n setTimeout(() => done(), 70);\n });\n\n it(\"tries to test a readstream with input\", function(done) {\n try {\n expect(new ReadStream()).to.eventually.produce(\"test\").on(\"bla\").notify(done);\n } catch(e) {\n assert.equal(e.message, \"You can only use arguments with a writable stream.\");\n done();\n }\n });\n\n it(\"tries to test a transformstream without input\", function(done) {\n try {\n expect(new TransformStream()).to.eventually.produce(\"test\").on().notify(done);\n } catch(e) {\n assert.equal(e.message, \"You can only use arguments with a writable stream.\");\n done();\n }\n });\n\n it(\"uses the produce assertion with a transformstream, producing buffers.\", function(done) {\n expect(new TransformStream())\n .to.produce(x => x === \"huhu\" ? 1 : -1)\n .on(\"lala\", \"test\", \"huhu\")\n .notify(e => e instanceof Error ? done() : done(new Error(\"should throw\")));\n });\n\n it(\"taps a stream under test.\", function(done) {\n const spy = sinon.spy();\n\n expect(new TransformStream())\n .to.eventually.produce(\"huhu\")\n .on(\"lala\", \"test\", \"huhu\")\n .tap(spy)\n .notify(() => {\n try {\n expect(spy.callCount).to.equal(3);\n expect(spy.firstCall.args.shift()).to.equal(\"lala\");\n expect(spy.firstCall.args.shift()).to.equal(0);\n expect(spy.secondCall.args.shift()).to.equal(\"test\");\n expect(spy.secondCall.args.shift()).to.equal(0);\n expect(spy.thirdCall.args.shift()).to.equal(\"huhu\");\n expect(spy.thirdCall.args.shift()).to.equal(1);\n done();\n } catch(e) {\n done(e);\n }\n });\n });\n});\n" + }, + { + "__docId__": 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expect(expected.match(\"Test3\")).to.equal(1);\n });\n});\n" + }, + { + "__docId__": 37, + "kind": "file", + "static": true, + "variation": null, + "name": "src/examples/test.js", + "memberof": null, + "longname": "src/examples/test.js", + "access": null, + "description": null, + "lineNumber": 1, + "content": "" + }, + { + "__docId__": 38, + "kind": "file", + "static": true, + "variation": null, + "name": "src/index.js", + "memberof": null, + "longname": "src/index.js", + "access": null, + "description": null, + "lineNumber": 1, + "content": "import StreamHelper from \"./StreamHelper\";\n\nconst chai = require(\"chai\");\n\nchai.use(StreamHelper);\n\nmodule.exports = chai;\n" + }, + { + "__docId__": 39, + "kind": "variable", + "static": true, + "variation": null, + "name": "chai", + "memberof": "src/index.js", + "longname": "src/index.js~chai", + "access": null, + "export": false, + "importPath": "expect-stream/src/index.js", + "importStyle": null, + "description": null, + 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+ "kind": "external", + "static": true, + "variation": null, + "name": "Node", + "externalLink": "https://developer.mozilla.org/en-US/docs/Web/API/Node", + "memberof": "BuiltinExternal/WebAPIExternal.js", + "longname": "BuiltinExternal/WebAPIExternal.js~Node", + "access": null, + "description": "", + "builtinExternal": true + }, + { + "__docId__": 94, + "kind": "external", + "static": true, + "variation": null, + "name": "NodeList", + "externalLink": "https://developer.mozilla.org/en-US/docs/Web/API/NodeList", + "memberof": "BuiltinExternal/WebAPIExternal.js", + "longname": "BuiltinExternal/WebAPIExternal.js~NodeList", + "access": null, + "description": "", + "builtinExternal": true + }, + { + "__docId__": 95, + "kind": "external", + "static": true, + "variation": null, + "name": "XMLHttpRequest", + "externalLink": "https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest", + "memberof": "BuiltinExternal/WebAPIExternal.js", + "longname": "BuiltinExternal/WebAPIExternal.js~XMLHttpRequest", + "access": null, + "description": "", + "builtinExternal": true + }, + { + "__docId__": 96, + "kind": "external", + "static": true, + "variation": null, + "name": "AudioContext", + "externalLink": "https://developer.mozilla.org/en/docs/Web/API/AudioContext", + "memberof": "BuiltinExternal/WebAPIExternal.js", + "longname": "BuiltinExternal/WebAPIExternal.js~AudioContext", + "access": null, + "description": "", + "builtinExternal": true + } +] \ No newline at end of file diff --git a/ExpectStreamBak/docs/file/src/AssertStream.js.html b/ExpectStreamBak/docs/file/src/AssertStream.js.html new file mode 100644 index 0000000..be0a994 --- /dev/null +++ b/ExpectStreamBak/docs/file/src/AssertStream.js.html @@ -0,0 +1,106 @@ + + + + + + src/AssertStream.js | API Document + + + + + + + + + +
      + Home + + Reference + Source + + Repository +
      + + + + +
        +
        +
        + + + +

        src/AssertStream.js

        +
        import { Writable } from "stream";
+import Expected from "./Expected";
+import defaults from "set-default-value";
+
+/**
+ * this stream is used to be piped into.
+ * it ends if the expected value was received.
+ *
+ * @author Marco Sliwa <marco@circle.ai>
+ */
+export default class AssertStream extends Writable {
+
+    /**
+     * constructor for this stream
+     *
+     * @constructor
+     * @param       {*}      expected value
+     * @param       {object} options  configuring the behaviour of AssertSream
+     */
+    constructor(expected, options) {
+        super({
+            objectMode: true
+        });
+
+        this.expected = Expected.of(expected, options);
+        this.tapper   = defaults(options.tapper).to(() => {});
+    }
+
+    /**
+     * implementation of the write function. transforms data,
+     * so that it can be compared, emits end on match, otherwise
+     * continues.
+     *
+     * @param  {string|object} chunk of data
+     * @param  {string}        enc   of data
+     * @param  {function}      cb    when operation finished
+     * @return {*}
+     */
+    _write(chunk, enc, cb) {
+        const data   = Buffer.isBuffer(chunk) ? chunk.toString() : chunk;
+        const result = this.expected.match(data);
+
+        this.tapper(data, result);
+
+        return result === -1 ? this.emit("error", this.expected.getError()) : setTimeout(() => result === 1 ? this.emit("done") : cb(), 1);
+    }
+}
+
        + +
        + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/file/src/Expected.js.html b/ExpectStreamBak/docs/file/src/Expected.js.html new file mode 100644 index 0000000..5aadf3f --- /dev/null +++ b/ExpectStreamBak/docs/file/src/Expected.js.html @@ -0,0 +1,145 @@ + + + + + + src/Expected.js | API Document + + + + + + + + + +
        + Home + + Reference + Source + + Repository +
        + + + + +
          +
          +
          + + + +

          src/Expected.js

          +
          import isArray from "lodash.isarray";
+import isEqual from "lodash.isequal";
+import isFunction from "lodash.isfunction";
+import isNil from "lodash.isnil";
+import isMatch from "lodash.ismatch";
+import { expect } from "chai";
+
+export default class Expected {
+
+    /**
+     * Creates an ExpectationClass, that checks,
+     * whether an incoming value matches the
+     * expectations
+     *
+     * @param  {*}        args needed for creation
+     * @return {Expected}
+     */
+    static of(...args) {
+        return new Expected(...args);
+    }
+
+    /**
+     * Constructor of Expected
+     *
+     * @constructor
+     * @param       {*}      expected   compared with input
+     * @param       {object} options    for custom matcning behaviour
+     */
+    constructor(expected, { filter, eventually, strict }) {
+        this.messages   = [];
+        this.expection  = isArray(expected) ? expected.slice(0) : expected;
+        this.expected   = expected;
+        this.matcher    = isNil(strict) ? isMatch : isEqual;
+        this.onMisMatch = isNil(eventually) ? -1 : 0;
+        this.filter     = isNil(filter) ? () => true : filter;
+    }
+
+    /**
+     * Checks if next value in list matches the input
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+    includes(value) {
+        const expected = this.expected.shift();
+        const matches  = this.matcher(value, expected);
+        const onMatch  = this.expected.length === 0 ? 1 : 0;
+
+        this.expected = matches ? this.expected : [expected].concat(this.expected);
+
+        return matches ? onMatch : this.onMisMatch;
+    }
+
+    /**
+     * Compares input with expectations
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+    match(value) { // eslint-disable-line
+        this.messages.push(value);
+
+        if(!this.filter(value))       return 0;
+        if(isFunction(this.expected)) return this.expected(value);
+        if(isArray(this.expected))    return this.includes(value);
+
+        return this.matcher(value, this.expected) ? 1 : this.onMisMatch;
+    }
+
+    /**
+     * produces the error containing the expected vs actual results
+     *
+     * @return {Error}
+     */
+    getError() {
+        if(isFunction(this.expection)) return new Error(`the messages ${JSON.stringify(this.messages)} do not match your expectations.`);
+
+        try {
+            expect(this.messages).to.eql(this.expection);
+
+            return null;
+        } catch(e) {
+            return e;
+        }
+    }
+}
+
          + +
          + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/file/src/StreamHelper.js.html b/ExpectStreamBak/docs/file/src/StreamHelper.js.html new file mode 100644 index 0000000..acdc482 --- /dev/null +++ b/ExpectStreamBak/docs/file/src/StreamHelper.js.html @@ -0,0 +1,130 @@ + + + + + + src/StreamHelper.js | API Document + + + + + + + + + +
          + Home + + Reference + Source + + Repository +
          + + + + +
            +
            +
            + + + +

            src/StreamHelper.js

            +
            import isFunction from "lodash.isfunction";
+import assert from "assert";
+import AssertStream from "./AssertStream";
+import defaults from "set-default-value";
+
+/**
+ * this function adds the new methods to the Assertion
+ * chain, where they have the following responsibilities:
+ *
+ * produce: sets the expected value of the stream
+ * on:      gives a set of input values, if testing
+ *          a transformer
+ * notify:  cb for error and done notifications
+ *
+ * @param {object} chai  to be extended
+ */
+const StreamHelper = function({ Assertion }) {
+    Assertion.addChainableMethod("exactly", function(expected) {
+        this.expected       = defaults(expected).to(this.expected);
+        this.strictEquality = true;
+    }, function() {
+        this.strictEquality = true;
+    });
+
+    Assertion.addChainableMethod("produce", function(expected) {
+        this.expected = expected;
+        this.args     = [];
+    }, function() {
+        this.args = [];
+    });
+
+    Assertion.addProperty("eventually", function() {
+        this.checkAllResults = true;
+    });
+
+    Assertion.addMethod("filter", function(filter) {
+        this.filterMethod = filter;
+    });
+
+    Assertion.addMethod("notify", function(done) {
+        const sink = new AssertStream(this.expected, {
+            filter:     this.filterMethod,
+            tapper:     this.tapper,
+            eventually: this.checkAllResults,
+            strict:     this.strictEquality
+        });
+
+        this._obj.pipe(sink)     // eslint-disable-line
+            .on("done", done)
+            .on("error", done);
+
+        this.args.forEach(arg => this._obj.write(arg)); // eslint-disable-line
+    });
+
+    Assertion.addMethod("tap", function(tapper) {
+        this.tapper = tapper;
+    });
+
+    Assertion.addMethod("on", function(...args) {
+        const { write } = this._obj; // eslint-disable-line
+
+        assert(
+            (args.length > 0 && isFunction(write)) ||
+            (args.length === 0 && !isFunction(write)
+        ), "You can only use arguments with a writable stream.");
+
+        this.args = args;
+    });
+};
+
+export default StreamHelper;
+
            + +
            + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/file/src/__tests__/AssertStreamTest.js.html b/ExpectStreamBak/docs/file/src/__tests__/AssertStreamTest.js.html new file mode 100644 index 0000000..fce224b --- /dev/null +++ b/ExpectStreamBak/docs/file/src/__tests__/AssertStreamTest.js.html @@ -0,0 +1,173 @@ + + + + + + src/__tests__/AssertStreamTest.js | API Document + + + + + + + + + +
            + Home + + Reference + Source + + Repository +
            + + + + +
              +
              +
              + + + +

              src/__tests__/AssertStreamTest.js

              +
              import AssertStream from "../AssertStream";
+import sinon from "sinon";
+import { expect } from "chai";
+
+describe("AssertStreamTest", function() {
+    it("writes to an assert stream with a value expectation, until it ends with the expected value.", function(done) {
+        const tapSpy = sinon.spy();
+        const onEnd  = sinon.spy();
+        const stream = new AssertStream({
+            test: "test"
+        }, {
+            tapper:     tapSpy,
+            eventually: true
+        });
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function() {
+            expect(onEnd.callCount).to.equal(1);
+            expect(tapSpy.firstCall.args.shift()).to.equal("bla");
+            expect(tapSpy.firstCall.args.shift()).to.equal(0);
+            expect(tapSpy.secondCall.args.shift()).to.eql({});
+            expect(tapSpy.secondCall.args.shift()).to.equal(0);
+            expect(tapSpy.thirdCall.args.shift()).to.eql({
+                test: "test"
+            });
+            expect(tapSpy.thirdCall.args.shift()).to.equal(1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function(done) {
+        const onEnd  = sinon.spy();
+        const stream = new AssertStream(x => x.test === "test" ? 1 : 0, {});
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function() {
+            expect(onEnd.callCount).to.equal(1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(x => x.test === "test" ? 1 : -1, {
+            tapper: tapSpy
+        });
+
+        stream.on("error", e => {
+            expect(e.message).to.equal("the messages [\"bla\"] do not match your expectations.");
+            expect(tapSpy.firstCall.args.shift()).to.equal("bla");
+            expect(tapSpy.firstCall.args.shift()).to.equal(-1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        });
+
+        stream.write("bla");
+    });
+
+    it("writes to an assert stream, that expects multiple messages", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(["test1", "test2", "test3"], {
+            tapper: tapSpy
+        });
+        const onEnd = function() {
+            expect(tapSpy.firstCall.calledWith("test1", 0));
+            expect(tapSpy.secondCall.calledWith("test2", 0));
+            expect(tapSpy.thirdCall.calledWith("test3", 1));
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test1");
+        stream.write("test2");
+        stream.write("test3");
+    });
+
+    it("writes to an assert stream, filtering some messages", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(["test1", "test2"], {
+            tapper: tapSpy,
+            filter: value => value !== "test4"
+        });
+
+        const onEnd = function() {
+            expect(tapSpy.firstCall.calledWith("test4", 0));
+            expect(tapSpy.secondCall.calledWith("test1", 0));
+            expect(tapSpy.thirdCall.calledWith("test2", 1));
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test4");
+        stream.write("test1");
+        stream.write("test2");
+    });
+});
+
              + +
              + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/file/src/__tests__/ExpectStreamTest.js.html b/ExpectStreamBak/docs/file/src/__tests__/ExpectStreamTest.js.html new file mode 100644 index 0000000..b93f428 --- /dev/null +++ b/ExpectStreamBak/docs/file/src/__tests__/ExpectStreamTest.js.html @@ -0,0 +1,308 @@ + + + + + + src/__tests__/ExpectStreamTest.js | API Document + + + + + + + + + +
              + Home + + Reference + Source + + Repository +
              + + + + +
                +
                +
                + + + +

                src/__tests__/ExpectStreamTest.js

                +
                import isArray from "lodash.isarray";
+import { expect } from "../index";
+import { Readable, Transform } from "stream";
+import assert from "assert";
+import sinon from "sinon";
+
+class ReadStream extends Readable {
+    constructor(messages = "lala") {
+        super({ objectMode: true });
+
+        this.messages = messages;
+    }
+
+    _read() {
+        this.push(
+            isArray(this.messages) ?
+            this.messages.shift() :
+            this.messages
+        );
+    }
+}
+
+class TransformStream extends Transform {
+    _transform(chunk, enc, cb) {
+        this.push(chunk);
+        setTimeout(cb, 20);
+    }
+}
+
+
+class ReadObjectStream extends Readable {
+    constructor() {
+        super({
+            objectMode: true
+        });
+    }
+
+    _read() {
+        this.push({
+            test: {
+                test: []
+            }
+        });
+    }
+}
+
+class TransformObjStream extends Transform {
+    constructor() {
+        super({
+            objectMode: true
+        });
+    }
+
+    _transform(obj, enc, cb) {
+        this.push(obj);
+        setTimeout(cb, 20);
+    }
+}
+
+
+describe("ExpectStreamTest", function() { // eslint-disable-line
+    it("uses the produce assertion with a readstream, matching exactly", function(done) {
+        expect(new ReadStream(["lala1", "lala2", "lala3"]))
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.exactly.produce({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality - part2", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.produce.exactly({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function(done) {
+        expect(new ReadStream({ test: "lala", another: "lulu" }))
+            .to.produce({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.produce({ test: "lala", another: "lulu" })
+            .notify(e => e ? done() : done(new Error("Shouldn't end up here.")));
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly and fails", function(done) {
+        const stream = new ReadStream(["lala1", "lala", "lala3"]);
+
+        expect(stream)
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(e => {
+                if(!e) return done(new Error("Should fail"));
+
+                try {
+                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                    return done();
+                } catch(e2) {
+                    return done(e2);
+                }
+            });
+    });
+
+    it("uses the produce assertion with a readstream, matching not exactly", function(done) {
+        const stream = new ReadStream(["lala1", "lala", "lala2", "lala3"]);
+
+        expect(stream)
+            .to.eventually.produce(["lala1", "lala2", "lala3"])
+            .notify(e => {
+                if(e) return done(e);
+
+                try {
+                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                    return done();
+                } catch(e2) {
+                    return done(e2);
+                }
+            });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly, but filtering some messages", function(done) {
+        expect(new ReadStream(["lala1", "lala", "lala2", "lala3"]))
+            .filter(value => value !== "lala")
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(done);
+    });
+
+    it("uses the eventually produce assertion with a readstream, producing buffers.", function(done) {
+        expect(new ReadStream()).to.eventually.produce("lala").notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, producing objects.", function(done) {
+        expect(new ReadObjectStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion on the readstream with buffers.", function(done) {
+        expect(new ReadStream()).to.eventually.produce("lulu").notify(() => done(new Error("should not finish")));
+        setTimeout(() => done(), 20);
+    });
+
+    it("fails the produce assertion on the readstream with objects.", function(done) {
+        expect(new ReadStream()).to.eventually.produce({
+            test: "test2"
+        }).notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 20);
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").notify(done);
+    });
+
+    it("uses the produce assertion with a transformstream, producing objects.", function(done) {
+        expect(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", "huhu", {
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream())
+            .to.eventually.produce("huhu")
+            .on("lala", "test")
+            .notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 70);
+    });
+
+    it("fails the produce assertion with a transformstream, producing objects.", function(done) {
+        expect(new TransformObjStream())
+            .to.eventually.produce({
+                test: {
+                    test: []
+                }
+            })
+            .on("lala", "test", {
+                test: {
+                    test: 1
+                }
+            })
+            .notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 70);
+    });
+
+    it("tries to test a readstream with input", function(done) {
+        try {
+            expect(new ReadStream()).to.eventually.produce("test").on("bla").notify(done);
+        } catch(e) {
+            assert.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("tries to test a transformstream without input", function(done) {
+        try {
+            expect(new TransformStream()).to.eventually.produce("test").on().notify(done);
+        } catch(e) {
+            assert.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream())
+            .to.produce(x => x === "huhu" ? 1 : -1)
+            .on("lala", "test", "huhu")
+            .notify(e => e instanceof Error ? done() : done(new Error("should throw")));
+    });
+
+    it("taps a stream under test.", function(done) {
+        const spy = sinon.spy();
+
+        expect(new TransformStream())
+            .to.eventually.produce("huhu")
+            .on("lala", "test", "huhu")
+            .tap(spy)
+            .notify(() => {
+                try {
+                    expect(spy.callCount).to.equal(3);
+                    expect(spy.firstCall.args.shift()).to.equal("lala");
+                    expect(spy.firstCall.args.shift()).to.equal(0);
+                    expect(spy.secondCall.args.shift()).to.equal("test");
+                    expect(spy.secondCall.args.shift()).to.equal(0);
+                    expect(spy.thirdCall.args.shift()).to.equal("huhu");
+                    expect(spy.thirdCall.args.shift()).to.equal(1);
+                    done();
+                } catch(e) {
+                    done(e);
+                }
+            });
+    });
+});
+
                + +
                + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/file/src/__tests__/ExpectedTest.js.html b/ExpectStreamBak/docs/file/src/__tests__/ExpectedTest.js.html new file mode 100644 index 0000000..e700adb --- /dev/null +++ b/ExpectStreamBak/docs/file/src/__tests__/ExpectedTest.js.html @@ -0,0 +1,128 @@ + + + + + + src/__tests__/ExpectedTest.js | API Document + + + + + + + + + +
                + Home + + Reference + Source + + Repository +
                + + + + +
                  +
                  +
                  + + + +

                  src/__tests__/ExpectedTest.js

                  +
                  import Expected from "../Expected";
+import { expect } from "chai";
+
+describe("Expected", function() {
+    it("compares a single value with the expected one", function() {
+        const expected = Expected.of("Test", {});
+
+        expect(expected.match("Test")).to.equal(1);
+        expect(expected.match("NotTest")).to.equal(-1);
+    });
+
+    it("compares a single value with the expected one, skipping all not matching ones", function() {
+        const expected = Expected.of("Test", {
+            eventually: true
+        });
+
+        expect(expected.match("Test")).to.equal(1);
+        expect(expected.match("NotTest")).to.equal(0);
+    });
+
+    it("compares a list of values with another list of values", function() {
+        const expected = Expected.of(["Test1", "Test2", "Test3"], {});
+
+        expect(expected.match("Test1")).to.equal(0);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares a list of values with another list, skipping all non-matches", function() {
+        const expected = Expected.of(["Test3", "Test4", "Test5"], {
+            eventually: true
+        });
+
+        expect(expected.match("Test3")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a list of values with a filter", function() {
+        const expected = Expected.of(["Test3", "Test4", "Test5"], {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test3")).to.equal(0);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a single of values with a filter", function() {
+        const expected = Expected.of("Test3", {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares with a function", function() {
+        const expected = Expected.of(value => value === "Test3" ? 1 : -1, {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test1")).to.equal(-1);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+});
+
                  + +
                  + + + + + + + + + + + + diff --git a/ExpectStreamBak/docs/file/src/examples/test.js.html b/ExpectStreamBak/docs/file/src/examples/test.js.html new file mode 100644 index 0000000..8aa9ce9 --- /dev/null +++ b/ExpectStreamBak/docs/file/src/examples/test.js.html @@ -0,0 +1,59 @@ + + + + + + src/examples/test.js | API Document + + + + + + + + + +
                  + Home + + Reference + Source + + Repository +
                  + + + + +
                    +
                    +
                    + + + +

                    src/examples/test.js

                    +
                    
+
                    Sorry, this documentation does not provide source code.
                    
+
                    
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ExpectStreamBak/docs/file/src/index.js.html b/ExpectStreamBak/docs/file/src/index.js.html
new file mode 100644
index 0000000..fa7b29a
--- /dev/null
+++ b/ExpectStreamBak/docs/file/src/index.js.html
@@ -0,0 +1,66 @@
+
+
+
+  
+  
+  src/index.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                    
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                    
+  
+    
+    
+  
+    
                      
+  
                      
+
                      
+
+
+
+
                      src/index.js
                      
+
                      import StreamHelper from "./StreamHelper";
+
+const chai = require("chai");
+
+chai.use(StreamHelper);
+
+module.exports = chai;
+
                      
+
+
                      
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ExpectStreamBak/docs/function/index.html b/ExpectStreamBak/docs/function/index.html
new file mode 100644
index 0000000..ca2df35
--- /dev/null
+++ b/ExpectStreamBak/docs/function/index.html
@@ -0,0 +1,157 @@
+
+
+
+  
+  
+  Function | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                      
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                      
+  
+    
+    
+  
+    
                        
+  
                        
+
                        
+
+
+
+
                        Function
                        
+
                        
+  
+  
+  
+  
+    
+    
+    
+  
+
+
                        Static Public Summary
                        
+      public
+      
+      
+      
+      
+    
+      
                        
+        
                        
+           StreamHelper(chai: object)
+        
                        
+      
                        
+      
                        
+        
+        
+        
                        this function adds the new methods to the Assertion
+chain, where they have the following responsibilities:
                        
+
                        
+      
                        
+                            		
+      
+      
+    
                        
+
                        
+
                        Static Public 
                        
+
+
                        
+  
                        
+    public
+    
+    
+    
+    
+    StreamHelper(chai: object)
+    
+      
+      
+      source
+    
+  
                        
+
+  
                        import StreamHelper from 'expect-stream/src/StreamHelper.js'
                        
+  
+  
+  
                        this function adds the new methods to the Assertion
+chain, where they have the following responsibilities:
                        
+
                        produce: sets the expected value of the stream
+on:      gives a set of input values, if testing
+         a transformer
+notify:  cb for error and done notifications
                        
+
                        
+
+  
+
+  
                        
+  
                        Params:
                        
+  
+    
+    
+    
+    
+    
+    
+      
+      
+      
+      
+    
+
+  
                        NameTypeAttributeDescription
                        chaiobject
                        to be extended
                        
+
                        
+
                        
+
                        
+
+  
+
+  
+
+  
+
+  
+
+  
+
+  
+
+  
+  
+
                        
+
                        
+
                        
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ExpectStreamBak/docs/identifiers.html b/ExpectStreamBak/docs/identifiers.html
new file mode 100644
index 0000000..53cb573
--- /dev/null
+++ b/ExpectStreamBak/docs/identifiers.html
@@ -0,0 +1,153 @@
+
+
+
+  
+  
+  Index | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                        
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                        
+  
+    
+    
+  
+    
                          
+  
                          
+
                          
+
+
+
+
                          References
                          
+
                          Class Summary
                          
+  
+  
+  
+  
+    
+    
+    
+  
+
+    
+    
+    
+  
+
+
                          Static Public Class Summary
                          
+      public
+      
+      
+      
+      
+    
+      
                          
+        
                          
+           AssertStream
+        
                          
+      
                          
+      
                          
+        
+        
+        
                          this stream is used to be piped into.
                          
+
                          
+      
                          
+                              		
+      
+      
+    
                          
+      public
+      
+      
+      
+      
+    
+      
                          
+        
                          
+           Expected
+        
                          
+      
                          
+      
                          
+        
+        
+        
+      
                          
+                              		
+      
+      
+    
                          
+
                          
+
+
                          Function Summary
                          
+  
+  
+  
+  
+    
+    
+    
+  
+
+
                          Static Public Function Summary
                          
+      public
+      
+      
+      
+      
+    
+      
                          
+        
                          
+           StreamHelper(chai: object)
+        
                          
+      
                          
+      
                          
+        
+        
+        
                          this function adds the new methods to the Assertion
+chain, where they have the following responsibilities:
                          
+
                          
+      
                          
+                              		
+      
+      
+    
                          
+
                          
+
+
+
+
                          
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ExpectStreamBak/docs/image/badge.svg b/ExpectStreamBak/docs/image/badge.svg
new file mode 100644
index 0000000..324db4c
--- /dev/null
+++ b/ExpectStreamBak/docs/image/badge.svg
@@ -0,0 +1,17 @@
+
+  
+  
+    
+    
+  
+  
+  
+  
+  
+  
+    document
+    document
+    @ratio@
+    @ratio@
+  
+
diff --git a/ExpectStreamBak/docs/image/github.png b/ExpectStreamBak/docs/image/github.png
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diff --git a/ExpectStreamBak/docs/index.html b/ExpectStreamBak/docs/index.html
new file mode 100644
index 0000000..355baae
--- /dev/null
+++ b/ExpectStreamBak/docs/index.html
@@ -0,0 +1,264 @@
+
+
+
+  
+  
+  API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                          
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                          
+  
+    
+    
+  
+    
                            
+  
                            
+
                            
+
+
+
+
                            CoreAssert
                            
+
                            Testing stuff sucks and testing more esoteric stuff sucks harder. So we build this extension to chai to reduce the suck-factor of comparing images and testing node streams.
+Now, let's forget about all the drama and call it a victory:
                            
+
                            victory
                            
+
                            API
                            
+
                            As this module extends chai most of the documentation can be found at their website. CoreAssert extends it with new methods for asserting streams asynchronously and also ships some assertions for image comparison:
                            
+
                            Streams
                            
+
                            .produce
                            
+
                            This method takes either one or multiple values, which are expected to be the only outputs produced by the stream under test or a function that takes the value and checks if it is the expected one. In the latter case, there are three values your callback should return to signal its state:
                            
+
                              
+
                            • If the function returns 0, the input value is not the expected value, but does not represent an error case either. The test will go on (or timeout).
                              
+
                              • 
+
                            • If the function returns 1, it's the signal that the correct value has finally arrived. The assertion will notify the test, that it is successful.
                              
+
                              • 
+
                            • If the function returns -1, it signals that the given input value is erroneous. We will be notified of the error via notify.
                              
+
                              • 
+
                            
+
                            .eventually
                            
+
                            This property allows CoreAssert to ignore mismatches until the correct values are produced.
                            
+
                            .exactly
                            
+
                            Using this chainable method will adjust the assertion configuration to strict equality. Otherwise CoreAssert validates, if the produced output contains the expected value. 
                            
+
                            .filter
                            
+
                            This method accepts a function, that can be used to ignore some outputs, which is signalled by returning false in this callback.
                            
+
                            .on
                            
+
                            This method takes the values the stream under test should use to produce its output, if it isn't only a readable stream.
                            
+
                            .notify
                            
+
                            This method is used to notify the testrunner if an error occurs or if the streams ended and have produced the expected message
                            
+
                            .tap
                            
+
                            With this method you can tap into the stream under test and inspect whats going on, if an error happens
                            
+
                            Image Comparison
                            
+
                            .image
                            
+
                            This function expects the value to be the buffer of the reference image you are testing against.
                            
+
                            .part
                            
+
                            In conjunction with the previous method this method enables you to ignore several regions of both images, when comparing them. See ImageComparer if you like to get to know more about regions.
                            
+
                            Usage
                            
+
                            Testing Streams
                            
+
                            Suppose we have a transform stream, that adds a Mr. to the start of every value, that enters it:
                            
+
                            // src/Misterizer
+import { Transform } from "stream";
+
+export default class Misterizer extends Transform {
+    _transform(name, enc, cb) {
+        this.push(`Mr. ${name}`);
+        cb();
+    }
+}
+
                            
+
                            Now we'd like to test it, using mocha with CoreAssert:
                            
+
                            // src/__tests__/MisterizerTest
+import { expect } from "core-assert";
+import Misterizer from "../Misterizer"
+
+describe("MisterizerTest", function() {
+    // this test passes
+    it("Misterizes Circle", function(done) {
+        expect(new Misterizer())
+            .to.exactly.produce("Mr. Circle")
+            .on("Circle")
+            .notify(done);
+    });
+
+    // this test will trigger a timeout
+    it("Misterizes Square", function(done) {
+        expect(new Misterizer())
+            .to.eventually.produce("Mr. Circle")
+            .on("Square")
+            .tap(::console.log) // will print "Square, 0)"
+            .notify(done);
+    });
+});
+
                            
+
                            But the mighty power of CoreAssert offers much more functionality, which will be presented by FunnyBot: 
                            
+
                            // src/FunnyBot
+import { Readable } from "stream";
+
+export default class FunnyBot extends Readable {
+    constructor(jokes) {
+        super({ objectMode: true });
+
+        this.jokes = jokes;
+    }
+
+    _read() {
+        return this.push(this.jokes.shift());
+    }
+}
+
                            
+
                            All that is missing now are some funny jokes:
                            
+
                            // src/__tests__/FunnyBotTest
+import { expect } from "@circle/core-assert";
+import FunnyBot from "../FunnyBot";
+
+describe("FunnyBot", function() {
+    it("tells multiple really funny jokes", function() {
+        expect(new FunnyBot([{
+            date: Date.now(),
+            joke: "Hello, I am FunnyBot!"
+        }, {
+            date: Date.now(),
+            joke: "I am not a joke"
+        }, {
+            date: Date.now(),
+            joke: "What do you see when the Pillsbury Dough Boy bends over? Dough nuts"
+        }]).filter(x => x.joke !== "I am not a joke").to.produce([{
+            joke: "Hello, I am FunnyBot!" 
+        }, {
+            joke: "What do you see when the Pillsbury Dough Boy bends over? Dough nuts"
+        }]).notify(done);
+    });
+
+    it("thinks about complex problems", function() {
+        expect(new FunnyBot([{
+            date: Date.now(),
+            joke: "Hello, I am FunnyBot!"
+        }, {
+            date: Date.now(),
+            joke: "I am not a joke"
+        }, {
+            date: Date.now(),
+            joke: "The line is an imaginary invention of imperfect biological life forms."
+        }]).to.eventually.produce([{
+            joke: "Hello, I am FunnyBot!" 
+        }, {
+            joke: "The line is an imaginary invention of imperfect biological life forms."
+        }]).notify(done);
+    });
+
+    it("writes up some new material", function() {
+        expect(new FunnyBot([{
+            firstTry: "Error. Error. Banal."
+        }, {
+            secondTry: "That has been done before."
+        }, {
+            lastTry: "Funnybot is now finished with final joke."
+        }]).to.produce.exactly([{
+            firstTry: "Error. Error. Banal."
+        }, {
+            secondTry: "That has been done before."
+        }, {
+            lastTry: "Funnybot is now finished with final joke."
+        }]).notify(done);    
+    });
+});
+
                            
+
                            Testing Images
                            
+
                            Using mocha with CoreAssert for image comparison results in the following:
                            
+
                            // src/__tests__/ImageComparerTest
+import { expect } from "core-assert";
+import Q from "q";
+import fs from "fs";
+
+describe("ImageComparerTest", function() {
+    // this test results in a full comparison of given image buffers
+    it("ImageComparer (no regions)", async function(done) {
+        try {
+            const image     = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/image.png"));
+            const reference = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/reference.png"));
+
+            expect(image).to.be.image(reference);
+            done();
+        } catch(e) {
+            done(e);
+        }
+    });
+
+    // this test results in a comparison of given image buffers with suppressed regions
+    it("ImageComparer (with regions)", async function(done) {
+        try {
+            const image     = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/image.png"));
+            const reference = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/reference.png"));
+            const regions   = [{
+                absolute: {
+                    x:      10,
+                    y:      10,
+                    height: 5,
+                    width:  5
+                },
+                relative: {
+                    x:      10,
+                    y:      10,
+                    height: 5,
+                    width:  5
+                },
+                precision: 100
+            }];
+
+            expect(image).to.be.part(regions).of.image(reference);
+
+            done();
+        } catch(e) {
+            done(e);
+        }
+    });
+});
+
                            
+
                            Testing
                            
+
                            CoreAssert is tested with mocha by executing make test in the root directory of the project.
                            
+
                            Contributing
                            
+
                            If you want to contribute to this repository, please ensure ...
                            
+
                              
+
                            • to use make for development (it validates the source code and transpiles it to /lib).
                              • 
+
                            • to follow the existing coding style.
                              • 
+
                            • to use the linting tools that are listed in the package.json (which you get for free when using make).
                              • 
+
                            • to add and/or customize unit tests for any changed code.
                              • 
+
                            • to reference the corresponding issue in your pull request with a small description of your changes.
                              • 
+
                            
+
                            All contributors are listed in the AUTHORS file, sorted by the time of their first contribution.
                            
+
                            
+
                            
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ExpectStreamBak/docs/package.json b/ExpectStreamBak/docs/package.json
new file mode 100644
index 0000000..234bb4b
--- /dev/null
+++ b/ExpectStreamBak/docs/package.json
@@ -0,0 +1,638 @@
+{
+  "name": "expect-stream",
+  "version": "0.1.0",
+  "description": "chai extension for mocha stream tests",
+  "main": "index.js",
+  "scripts": {
+    "test": "make test"
+  },
+  "keywords": [],
+  "repository": "https://github.com/CircleOfNice/CoreAssert.git",
+  "author": "TeeAge-Beatz UG",
+  "license": "GPL-3.0",
+  "peerDependencies": {
+    "chai": "3.x"
+  },
+  "dependencies": {
+    "set-default-value": "0.0.8"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.18.0",
+    "babel-eslint": "^7.1.1",
+    "babel-plugin-transform-class-properties": "^6.19.0",
+    "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-plugin-transform-runtime": "^6.15.0",
+    "babel-preset-es2015": "^6.18.0",
+    "babel-preset-stage-0": "^6.16.0",
+    "chai": "^3.5.0",
+    "esdoc": "^0.4.8",
+    "esdoc-es7-plugin": "0.0.3",
+    "eslint": "^3.10.2",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.1.2",
+    "remap-istanbul": "^0.7.0",
+    "sinon": "^1.17.6"
+  },
+  "eslintConfig": {
+    "parser": "babel-eslint",
+    "env": {
+      "browser": true,
+      "node": true,
+      "es6": true,
+      "mocha": true
+    },
+    "rules": {
+      "strict": [
+        2
+      ],
+      "curly": [
+        2,
+        "multi"
+      ],
+      "default-case": [
+        2
+      ],
+      "comma-dangle": [
+        2
+      ],
+      "no-cond-assign": [
+        2
+      ],
+      "no-constant-condition": [
+        2
+      ],
+      "no-empty-character-class": [
+        2
+      ],
+      "no-empty": [
+        2
+      ],
+      "no-ex-assign": [
+        2
+      ],
+      "no-extra-boolean-cast": [
+        2
+      ],
+      "no-extra-semi": [
+        2
+      ],
+      "no-func-assign": [
+        2
+      ],
+      "no-inner-declarations": [
+        2
+      ],
+      "no-invalid-regexp": [
+        2
+      ],
+      "no-irregular-whitespace": [
+        2
+      ],
+      "valid-typeof": [
+        2
+      ],
+      "no-unexpected-multiline": [
+        2
+      ],
+      "no-negated-in-lhs": [
+        2
+      ],
+      "no-obj-calls": [
+        2
+      ],
+      "no-regex-spaces": [
+        2
+      ],
+      "no-sparse-arrays": [
+        2
+      ],
+      "no-unreachable": [
+        2
+      ],
+      "use-isnan": [
+        2
+      ],
+      "no-control-regex": [
+        2
+      ],
+      "no-debugger": [
+        2
+      ],
+      "no-dupe-keys": [
+        2
+      ],
+      "no-dupe-args": [
+        2
+      ],
+      "no-duplicate-case": [
+        2
+      ],
+      "accessor-pairs": [
+        2
+      ],
+      "block-scoped-var": [
+        2
+      ],
+      "no-multi-spaces": [
+        2,
+        {
+          "exceptions": {
+            "VariableDeclarator": true,
+            "AssignmentExpression": true,
+            "IfStatement": true
+          }
+        }
+      ],
+      "key-spacing": [
+        2,
+        {
+          "align": "value"
+        }
+      ],
+      "new-cap": [
+        0,
+        {
+          "capIsNewExceptions": []
+        }
+      ],
+      "valid-jsdoc": [
+        2,
+        {
+          "requireReturn": false,
+          "requireReturnDescription": false
+        }
+      ],
+      "complexity": [
+        2,
+        5
+      ],
+      "consistent-return": [
+        2
+      ],
+      "dot-notation": [
+        2
+      ],
+      "dot-location": [
+        2,
+        "property"
+      ],
+      "eqeqeq": [
+        2
+      ],
+      "guard-for-in": [
+        2
+      ],
+      "no-alert": [
+        2
+      ],
+      "no-caller": [
+        2
+      ],
+      "no-div-regex": [
+        2
+      ],
+      "no-else-return": [
+        2
+      ],
+      "no-labels": [
+        2
+      ],
+      "no-eval": [
+        2
+      ],
+      "no-extra-bind": [
+        2
+      ],
+      "no-eq-null": [
+        2
+      ],
+      "no-extend-native": [
+        2
+      ],
+      "no-fallthrough": [
+        2
+      ],
+      "no-floating-decimal": [
+        2
+      ],
+      "no-implicit-coercion": [
+        2
+      ],
+      "no-implied-eval": [
+        2
+      ],
+      "no-invalid-this": [
+        0
+      ],
+      "no-iterator": [
+        2
+      ],
+      "no-lone-blocks": [
+        2
+      ],
+      "no-loop-func": [
+        2
+      ],
+      "no-multi-str": [
+        2
+      ],
+      "no-native-reassign": [
+        2
+      ],
+      "no-new-func": [
+        2
+      ],
+      "no-new-wrappers": [
+        2
+      ],
+      "no-new": [
+        2
+      ],
+      "keyword-spacing": [
+        2,
+        {
+          "overrides": {
+            "if": {
+              "after": false
+            },
+            "for": {
+              "after": false
+            },
+            "while": {
+              "after": false
+            },
+            "catch": {
+              "after": false
+            }
+          }
+        }
+      ],
+      "no-octal": [
+        2
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+      "no-redeclare": [
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+      "no-return-assign": [
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+      "no-script-url": [
+        2
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+      "no-self-compare": [
+        2
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+      "no-sequences": [
+        2
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+      "no-throw-literal": [
+        2
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+      "no-unused-expressions": [
+        2
+      ],
+      "no-useless-call": [
+        2
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+      "no-void": [
+        2
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+      "no-warning-comments": [
+        2
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+      "no-with": [
+        2
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+      "radix": [
+        2
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+      "vars-on-top": [
+        2
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+      "wrap-iife": [
+        2
+      ],
+      "yoda": [
+        2
+      ],
+      "no-undef": [
+        2
+      ],
+      "no-undefined": [
+        2
+      ],
+      "init-declarations": [
+        2,
+        "always"
+      ],
+      "no-catch-shadow": [
+        2
+      ],
+      "no-delete-var": [
+        2
+      ],
+      "no-label-var": [
+        2
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+      "no-shadow-restricted-names": [
+        2
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+      "no-undef-init": [
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+      "no-unused-vars": [
+        2
+      ],
+      "no-use-before-define": [
+        2
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+      "callback-return": [
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+      "handle-callback-err": [
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+      "no-process-exit": [
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+        "expression"
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+      "array-bracket-spacing": [
+        2,
+        "never"
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+        2,
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+        }
+      ],
+      "indent": [
+        2
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+      "lines-around-comment": [
+        2,
+        {
+          "beforeBlockComment": true,
+          "beforeLineComment": false
+        }
+      ],
+      "linebreak-style": [
+        2
+      ],
+      "max-nested-callbacks": [
+        2,
+        3
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+      "new-parens": [
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+      "newline-after-var": [
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+      "no-continue": [
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+      "no-mixed-spaces-and-tabs": [
+        2
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+      "one-var": [
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+        "never"
+      ],
+      "operator-assignment": [
+        2,
+        "never"
+      ],
+      "operator-linebreak": [
+        2,
+        "after"
+      ],
+      "padded-blocks": [
+        2,
+        "never"
+      ],
+      "quote-props": [
+        2,
+        "consistent-as-needed"
+      ],
+      "quotes": [
+        2,
+        "double"
+      ],
+      "semi-spacing": [
+        2,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "semi": [
+        2,
+        "always"
+      ],
+      "space-before-blocks": [
+        2,
+        "always"
+      ],
+      "space-before-function-paren": [
+        2,
+        "never"
+      ],
+      "space-in-parens": [
+        2,
+        "never"
+      ],
+      "space-infix-ops": [
+        2
+      ],
+      "space-unary-ops": [
+        2,
+        {
+          "words": true,
+          "nonwords": false
+        }
+      ],
+      "spaced-comment": [
+        2,
+        "always"
+      ],
+      "arrow-parens": [
+        2,
+        "as-needed"
+      ],
+      "arrow-spacing": [
+        2,
+        {
+          "before": true,
+          "after": true
+        }
+      ],
+      "constructor-super": [
+        2
+      ],
+      "generator-star-spacing": [
+        0,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "no-class-assign": [
+        2
+      ],
+      "no-const-assign": [
+        2
+      ],
+      "no-dupe-class-members": [
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+      "no-var": [
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+      "object-shorthand": [
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+        "never"
+      ],
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+        2
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+        0
+      ],
+      "prefer-template": [
+        2
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+        2
+      ],
+      "max-depth": [
+        2,
+        5
+      ],
+      "max-statements": [
+        2,
+        10
+      ]
+    },
+    "ecmaFeatures": {
+      "blockBindings": true,
+      "forOf": true,
+      "jsx": true,
+      "arrowFunctions": true,
+      "spread": true,
+      "modules": true,
+      "asyncFunctions": true,
+      "functionBind": true
+    }
+  }
+}
diff --git a/ExpectStreamBak/docs/script/inherited-summary.js b/ExpectStreamBak/docs/script/inherited-summary.js
new file mode 100644
index 0000000..0a35b6d
--- /dev/null
+++ b/ExpectStreamBak/docs/script/inherited-summary.js
@@ -0,0 +1,28 @@
+(function(){
+  function toggle(ev) {
+    var button = ev.target;
+    var parent = ev.target.parentElement;
+    while(parent) {
+      if (parent.tagName === 'TABLE' && parent.classList.contains('summary')) break;
+      parent = parent.parentElement;
+    }
+
+    if (!parent) return;
+
+    var tbody = parent.querySelector('tbody');
+    if (button.classList.contains('opened')) {
+      button.classList.remove('opened');
+      button.classList.add('closed');
+      tbody.style.display = 'none';
+    } else {
+      button.classList.remove('closed');
+      button.classList.add('opened');
+      tbody.style.display = 'block';
+    }
+  }
+
+  var buttons = document.querySelectorAll('.inherited-summary thead .toggle');
+  for (var i = 0; i < buttons.length; i++) {
+    buttons[i].addEventListener('click', toggle);
+  }
+})();
diff --git a/ExpectStreamBak/docs/script/inner-link.js b/ExpectStreamBak/docs/script/inner-link.js
new file mode 100644
index 0000000..69a7477
--- /dev/null
+++ b/ExpectStreamBak/docs/script/inner-link.js
@@ -0,0 +1,31 @@
+// inner link(#foo) can not correctly scroll, because page has fixed header,
+// so, I manually scroll.
+(function(){
+  var matched = location.hash.match(/errorLines=([\d,]+)/);
+  if (matched) return;
+
+  function adjust() {
+    window.scrollBy(0, -55);
+    var el = document.querySelector('.inner-link-active');
+    if (el) el.classList.remove('inner-link-active');
+
+    // ``[ ] . ' " @`` are not valid in DOM id. so must escape these.
+    var id = location.hash.replace(/([\[\].'"@$])/g, '\\$1');
+    var el = document.querySelector(id);
+    if (el) el.classList.add('inner-link-active');
+  }
+
+  window.addEventListener('hashchange', adjust);
+
+  if (location.hash) {
+    setTimeout(adjust, 0);
+  }
+})();
+
+(function(){
+  var els = document.querySelectorAll('[href^="#"]');
+  for (var i = 0; i < els.length; i++) {
+    var el = els[i];
+    el.href = location.href + el.getAttribute('href'); // because el.href is absolute path
+  }
+})();
diff --git a/ExpectStreamBak/docs/script/manual.js b/ExpectStreamBak/docs/script/manual.js
new file mode 100644
index 0000000..125049d
--- /dev/null
+++ b/ExpectStreamBak/docs/script/manual.js
@@ -0,0 +1,13 @@
+(function(){
+  var matched = location.pathname.match(/([^/]*)\.html$/);
+  if (!matched) return;
+
+  var currentName = matched[1];
+  var cssClass = '.navigation [data-toc-name="' + currentName + '"]';
+  var styleText = cssClass + ' .manual-toc { display: block; }\n';
+  styleText += cssClass + ' .manual-toc-title { background-color: #039BE5; }\n';
+  styleText += cssClass + ' .manual-toc-title a { color: white; }\n';
+  var style = document.createElement('style');
+  style.textContent = styleText;
+  document.querySelector('head').appendChild(style);
+})();
diff --git a/ExpectStreamBak/docs/script/patch-for-local.js b/ExpectStreamBak/docs/script/patch-for-local.js
new file mode 100644
index 0000000..5756d13
--- /dev/null
+++ b/ExpectStreamBak/docs/script/patch-for-local.js
@@ -0,0 +1,8 @@
+(function(){
+  if (location.protocol === 'file:') {
+    var elms = document.querySelectorAll('a[href="./"]');
+    for (var i = 0; i < elms.length; i++) {
+      elms[i].href = './index.html';
+    }
+  }
+})();
diff --git a/ExpectStreamBak/docs/script/prettify/Apache-License-2.0.txt b/ExpectStreamBak/docs/script/prettify/Apache-License-2.0.txt
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/ExpectStreamBak/docs/script/prettify/Apache-License-2.0.txt
@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+
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+      direction or management of such entity, whether by contract or
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+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+      "Derivative Works" shall mean any work, whether in Source or Object
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+      designated in writing by the copyright owner as "Not a Contribution."
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+      on behalf of whom a Contribution has been received by Licensor and
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+          notices within Derivative Works that You distribute, alongside
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
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+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
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+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
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+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/ExpectStreamBak/docs/script/prettify/prettify.js b/ExpectStreamBak/docs/script/prettify/prettify.js
new file mode 100644
index 0000000..eef5ad7
--- /dev/null
+++ b/ExpectStreamBak/docs/script/prettify/prettify.js
@@ -0,0 +1,28 @@
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+    "src/assertstream.js~assertstream#tapper",
+    "class/src/AssertStream.js~AssertStream.html#instance-member-tapper",
+    "src/AssertStream.js~AssertStream#tapper",
+    "member"
+  ],
+  [
+    "src/expected.js",
+    "file/src/Expected.js.html",
+    "src/Expected.js",
+    "file"
+  ],
+  [
+    "src/expected.js~expected#constructor",
+    "class/src/Expected.js~Expected.html#instance-constructor-constructor",
+    "src/Expected.js~Expected#constructor",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#expected",
+    "class/src/Expected.js~Expected.html#instance-member-expected",
+    "src/Expected.js~Expected#expected",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#expection",
+    "class/src/Expected.js~Expected.html#instance-member-expection",
+    "src/Expected.js~Expected#expection",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#filter",
+    "class/src/Expected.js~Expected.html#instance-member-filter",
+    "src/Expected.js~Expected#filter",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#geterror",
+    "class/src/Expected.js~Expected.html#instance-method-getError",
+    "src/Expected.js~Expected#getError",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#includes",
+    "class/src/Expected.js~Expected.html#instance-method-includes",
+    "src/Expected.js~Expected#includes",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#match",
+    "class/src/Expected.js~Expected.html#instance-method-match",
+    "src/Expected.js~Expected#match",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#matcher",
+    "class/src/Expected.js~Expected.html#instance-member-matcher",
+    "src/Expected.js~Expected#matcher",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#messages",
+    "class/src/Expected.js~Expected.html#instance-member-messages",
+    "src/Expected.js~Expected#messages",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#onmismatch",
+    "class/src/Expected.js~Expected.html#instance-member-onMisMatch",
+    "src/Expected.js~Expected#onMisMatch",
+    "member"
+  ],
+  [
+    "src/expected.js~expected.of",
+    "class/src/Expected.js~Expected.html#static-method-of",
+    "src/Expected.js~Expected.of",
+    "method"
+  ],
+  [
+    "src/streamhelper.js",
+    "file/src/StreamHelper.js.html",
+    "src/StreamHelper.js",
+    "file"
+  ],
+  [
+    "src/__tests__/assertstreamtest.js",
+    "file/src/__tests__/AssertStreamTest.js.html",
+    "src/__tests__/AssertStreamTest.js",
+    "file"
+  ],
+  [
+    "src/__tests__/expectstreamtest.js",
+    "file/src/__tests__/ExpectStreamTest.js.html",
+    "src/__tests__/ExpectStreamTest.js",
+    "file"
+  ],
+  [
+    "src/__tests__/expectedtest.js",
+    "file/src/__tests__/ExpectedTest.js.html",
+    "src/__tests__/ExpectedTest.js",
+    "file"
+  ],
+  [
+    "src/examples/test.js",
+    "file/src/examples/test.js.html",
+    "src/examples/test.js",
+    "file"
+  ],
+  [
+    "src/index.js",
+    "file/src/index.js.html",
+    "src/index.js",
+    "file"
+  ]
+]
\ No newline at end of file
diff --git a/ExpectStreamBak/docs/script/test-summary.js b/ExpectStreamBak/docs/script/test-summary.js
new file mode 100644
index 0000000..2f32cb0
--- /dev/null
+++ b/ExpectStreamBak/docs/script/test-summary.js
@@ -0,0 +1,54 @@
+(function(){
+  function toggle(ev) {
+    var button = ev.target;
+    var parent = ev.target.parentElement;
+    while(parent) {
+      if (parent.tagName === 'TR' && parent.classList.contains('test-describe')) break;
+      parent = parent.parentElement;
+    }
+
+    if (!parent) return;
+
+    var direction;
+    if (button.classList.contains('opened')) {
+      button.classList.remove('opened');
+      button.classList.add('closed');
+      direction = 'closed';
+    } else {
+      button.classList.remove('closed');
+      button.classList.add('opened');
+      direction = 'opened';
+    }
+
+    var targetDepth = parseInt(parent.dataset.testDepth, 10) + 1;
+    var nextElement = parent.nextElementSibling;
+    while (nextElement) {
+      var depth = parseInt(nextElement.dataset.testDepth, 10);
+      if (depth >= targetDepth) {
+        if (direction === 'opened') {
+          if (depth === targetDepth)  nextElement.style.display = '';
+        } else if (direction === 'closed') {
+          nextElement.style.display = 'none';
+          var innerButton = nextElement.querySelector('.toggle');
+          if (innerButton && innerButton.classList.contains('opened')) {
+            innerButton.classList.remove('opened');
+            innerButton.classList.add('closed');
+          }
+        }
+      } else {
+        break;
+      }
+      nextElement = nextElement.nextElementSibling;
+    }
+  }
+
+  var buttons = document.querySelectorAll('.test-summary tr.test-describe .toggle');
+  for (var i = 0; i < buttons.length; i++) {
+    buttons[i].addEventListener('click', toggle);
+  }
+
+  var topDescribes = document.querySelectorAll('.test-summary tr[data-test-depth="0"]');
+  for (var i = 0; i < topDescribes.length; i++) {
+    topDescribes[i].style.display = '';
+  }
+})();
diff --git a/ExpectStreamBak/docs/source.html b/ExpectStreamBak/docs/source.html
new file mode 100644
index 0000000..8171088
--- /dev/null
+++ b/ExpectStreamBak/docs/source.html
@@ -0,0 +1,137 @@
+
+
+
+  
+  
+  Source | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                            
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                            
+  
+    
+    
+  
+    
                              
+  
                              
+
                              
+
+
+
+
                              Source 9/18
                              
+
+
+  
+    
+      
+      
+      
+      
+      
+      
+    
+  
+  
+    
+  
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+
                              FileIdentifierDocumentSizeLinesUpdated
                              src/AssertStream.jsAssertStream60 %3/51405 byte472016-11-05 12:43:03 (UTC)
                              src/Expected.jsExpected41 %5/122512 byte862016-11-05 12:43:03 (UTC)
                              src/StreamHelper.jsStreamHelper100 %1/12113 byte712016-11-05 12:43:03 (UTC)
                              src/__tests__/AssertStreamTest.js--4025 byte1142016-11-05 12:43:03 (UTC)
                              src/__tests__/ExpectStreamTest.js--8142 byte2492016-11-05 12:52:54 (UTC)
                              src/__tests__/ExpectedTest.js--2442 byte692016-11-05 12:43:03 (UTC)
                              src/examples/test.js--0 byte2016-11-05 12:43:03 (UTC)
                              src/index.js--123 byte72016-11-05 12:52:58 (UTC)
                              
+
                              
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ExpectStreamBak/esdoc.json b/ExpectStreamBak/esdoc.json
new file mode 100644
index 0000000..2e814b4
--- /dev/null
+++ b/ExpectStreamBak/esdoc.json
@@ -0,0 +1,8 @@
+{
+  "source": "./src",
+  "destination": "./docs",
+  "plugins": [
+    {"name": "esdoc-es7-plugin"}
+  ],
+  "autoPrivate": false
+}
diff --git a/ExpectStreamBak/examples/test b/ExpectStreamBak/examples/test
new file mode 100755
index 0000000..b7d5729
--- /dev/null
+++ b/ExpectStreamBak/examples/test
@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+"use strict";
+
+//# sourceMappingURL=test.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/index.js b/ExpectStreamBak/index.js
new file mode 100644
index 0000000..5304ad0
--- /dev/null
+++ b/ExpectStreamBak/index.js
@@ -0,0 +1 @@
+module.exports = require("./lib/index");
diff --git a/ExpectStreamBak/lib/AssertStream.js b/ExpectStreamBak/lib/AssertStream.js
new file mode 100644
index 0000000..89b8bf3
--- /dev/null
+++ b/ExpectStreamBak/lib/AssertStream.js
@@ -0,0 +1,100 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = undefined;
+
+var _getPrototypeOf = require("babel-runtime/core-js/object/get-prototype-of");
+
+var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require("babel-runtime/helpers/createClass");
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _possibleConstructorReturn2 = require("babel-runtime/helpers/possibleConstructorReturn");
+
+var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
+
+var _inherits2 = require("babel-runtime/helpers/inherits");
+
+var _inherits3 = _interopRequireDefault(_inherits2);
+
+var _stream = require("stream");
+
+var _Expected = require("./Expected");
+
+var _Expected2 = _interopRequireDefault(_Expected);
+
+var _setDefaultValue = require("set-default-value");
+
+var _setDefaultValue2 = _interopRequireDefault(_setDefaultValue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * this stream is used to be piped into.
+ * it ends if the expected value was received.
+ *
+ * @author Marco Sliwa 
+ */
+var AssertStream = function (_Writable) {
+    (0, _inherits3.default)(AssertStream, _Writable);
+
+    /**
+     * constructor for this stream
+     *
+     * @constructor
+     * @param       {*}      expected value
+     * @param       {object} options  configuring the behaviour of AssertSream
+     */
+    function AssertStream(expected, options) {
+        (0, _classCallCheck3.default)(this, AssertStream);
+
+        var _this = (0, _possibleConstructorReturn3.default)(this, (AssertStream.__proto__ || (0, _getPrototypeOf2.default)(AssertStream)).call(this, {
+            objectMode: true
+        }));
+
+        _this.expected = _Expected2.default.of(expected, options);
+        _this.tapper = (0, _setDefaultValue2.default)(options.tapper).to(function () {});
+        return _this;
+    }
+
+    /**
+     * implementation of the write function. transforms data,
+     * so that it can be compared, emits end on match, otherwise
+     * continues.
+     *
+     * @param  {string|object} chunk of data
+     * @param  {string}        enc   of data
+     * @param  {function}      cb    when operation finished
+     * @return {*}
+     */
+
+
+    (0, _createClass3.default)(AssertStream, [{
+        key: "_write",
+        value: function _write(chunk, enc, cb) {
+            var _this2 = this;
+
+            var data = Buffer.isBuffer(chunk) ? chunk.toString() : chunk;
+            var result = this.expected.match(data);
+
+            this.tapper(data, result);
+
+            return result === -1 ? this.emit("error", this.expected.getError()) : setTimeout(function () {
+                return result === 1 ? _this2.emit("done") : cb();
+            }, 1);
+        }
+    }]);
+    return AssertStream;
+}(_stream.Writable);
+
+exports.default = AssertStream;
+
+//# sourceMappingURL=AssertStream.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/Expected.js b/ExpectStreamBak/lib/Expected.js
new file mode 100644
index 0000000..0fee218
--- /dev/null
+++ b/ExpectStreamBak/lib/Expected.js
@@ -0,0 +1,156 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = undefined;
+
+var _stringify = require("babel-runtime/core-js/json/stringify");
+
+var _stringify2 = _interopRequireDefault(_stringify);
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require("babel-runtime/helpers/createClass");
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _lodash = require("lodash.isarray");
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+var _lodash3 = require("lodash.isequal");
+
+var _lodash4 = _interopRequireDefault(_lodash3);
+
+var _lodash5 = require("lodash.isfunction");
+
+var _lodash6 = _interopRequireDefault(_lodash5);
+
+var _lodash7 = require("lodash.isnil");
+
+var _lodash8 = _interopRequireDefault(_lodash7);
+
+var _lodash9 = require("lodash.ismatch");
+
+var _lodash10 = _interopRequireDefault(_lodash9);
+
+var _chai = require("chai");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var Expected = function () {
+    (0, _createClass3.default)(Expected, null, [{
+        key: "of",
+
+
+        /**
+         * Creates an ExpectationClass, that checks,
+         * whether an incoming value matches the
+         * expectations
+         *
+         * @param  {*}        args needed for creation
+         * @return {Expected}
+         */
+        value: function of() {
+            for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+                args[_key] = arguments[_key];
+            }
+
+            return new (Function.prototype.bind.apply(Expected, [null].concat(args)))();
+        }
+
+        /**
+         * Constructor of Expected
+         *
+         * @constructor
+         * @param       {*}      expected   compared with input
+         * @param       {object} options    for custom matcning behaviour
+         */
+
+    }]);
+
+    function Expected(expected, _ref) {
+        var filter = _ref.filter,
+            eventually = _ref.eventually,
+            strict = _ref.strict;
+        (0, _classCallCheck3.default)(this, Expected);
+
+        this.messages = [];
+        this.expection = (0, _lodash2.default)(expected) ? expected.slice(0) : expected;
+        this.expected = expected;
+        this.matcher = (0, _lodash8.default)(strict) ? _lodash10.default : _lodash4.default;
+        this.onMisMatch = (0, _lodash8.default)(eventually) ? -1 : 0;
+        this.filter = (0, _lodash8.default)(filter) ? function () {
+            return true;
+        } : filter;
+    }
+
+    /**
+     * Checks if next value in list matches the input
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+
+
+    (0, _createClass3.default)(Expected, [{
+        key: "includes",
+        value: function includes(value) {
+            var expected = this.expected.shift();
+            var matches = this.matcher(value, expected);
+            var onMatch = this.expected.length === 0 ? 1 : 0;
+
+            this.expected = matches ? this.expected : [expected].concat(this.expected);
+
+            return matches ? onMatch : this.onMisMatch;
+        }
+
+        /**
+         * Compares input with expectations
+         *
+         * @param  {*}      value to be compared
+         * @return {Number}
+         */
+
+    }, {
+        key: "match",
+        value: function match(value) {
+            // eslint-disable-line
+            this.messages.push(value);
+
+            if (!this.filter(value)) return 0;
+            if ((0, _lodash6.default)(this.expected)) return this.expected(value);
+            if ((0, _lodash2.default)(this.expected)) return this.includes(value);
+
+            return this.matcher(value, this.expected) ? 1 : this.onMisMatch;
+        }
+
+        /**
+         * produces the error containing the expected vs actual results
+         *
+         * @return {Error}
+         */
+
+    }, {
+        key: "getError",
+        value: function getError() {
+            if ((0, _lodash6.default)(this.expection)) return new Error("the messages " + (0, _stringify2.default)(this.messages) + " do not match your expectations.");
+
+            try {
+                (0, _chai.expect)(this.messages).to.eql(this.expection);
+
+                return null;
+            } catch (e) {
+                return e;
+            }
+        }
+    }]);
+    return Expected;
+}();
+
+exports.default = Expected;
+
+//# sourceMappingURL=Expected.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/StreamHelper.js b/ExpectStreamBak/lib/StreamHelper.js
new file mode 100644
index 0000000..9b6a208
--- /dev/null
+++ b/ExpectStreamBak/lib/StreamHelper.js
@@ -0,0 +1,98 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _lodash = require("lodash.isfunction");
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+var _assert = require("assert");
+
+var _assert2 = _interopRequireDefault(_assert);
+
+var _AssertStream = require("./AssertStream");
+
+var _AssertStream2 = _interopRequireDefault(_AssertStream);
+
+var _setDefaultValue = require("set-default-value");
+
+var _setDefaultValue2 = _interopRequireDefault(_setDefaultValue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * this function adds the new methods to the Assertion
+ * chain, where they have the following responsibilities:
+ *
+ * produce: sets the expected value of the stream
+ * on:      gives a set of input values, if testing
+ *          a transformer
+ * notify:  cb for error and done notifications
+ *
+ * @param {object} chai  to be extended
+ */
+var StreamHelper = function StreamHelper(_ref) {
+    var Assertion = _ref.Assertion;
+
+    Assertion.addChainableMethod("exactly", function (expected) {
+        this.expected = (0, _setDefaultValue2.default)(expected).to(this.expected);
+        this.strictEquality = true;
+    }, function () {
+        this.strictEquality = true;
+    });
+
+    Assertion.addChainableMethod("produce", function (expected) {
+        this.expected = expected;
+        this.args = [];
+    }, function () {
+        this.args = [];
+    });
+
+    Assertion.addProperty("eventually", function () {
+        this.checkAllResults = true;
+    });
+
+    Assertion.addMethod("filter", function (filter) {
+        this.filterMethod = filter;
+    });
+
+    Assertion.addMethod("notify", function (done) {
+        var _this = this;
+
+        var sink = new _AssertStream2.default(this.expected, {
+            filter: this.filterMethod,
+            tapper: this.tapper,
+            eventually: this.checkAllResults,
+            strict: this.strictEquality
+        });
+
+        this._obj.pipe(sink) // eslint-disable-line
+        .on("done", done).on("error", done);
+
+        this.args.forEach(function (arg) {
+            return _this._obj.write(arg);
+        }); // eslint-disable-line
+    });
+
+    Assertion.addMethod("tap", function (tapper) {
+        this.tapper = tapper;
+    });
+
+    Assertion.addMethod("on", function () {
+        var write = this._obj.write; // eslint-disable-line
+
+        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+            args[_key] = arguments[_key];
+        }
+
+        (0, _assert2.default)(args.length > 0 && (0, _lodash2.default)(write) || args.length === 0 && !(0, _lodash2.default)(write), "You can only use arguments with a writable stream.");
+
+        this.args = args;
+    });
+};
+
+exports.default = StreamHelper;
+
+//# sourceMappingURL=StreamHelper.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/__tests__/AssertStreamTest.js b/ExpectStreamBak/lib/__tests__/AssertStreamTest.js
new file mode 100644
index 0000000..3a569e9
--- /dev/null
+++ b/ExpectStreamBak/lib/__tests__/AssertStreamTest.js
@@ -0,0 +1,132 @@
+"use strict";
+
+var _AssertStream = require("../AssertStream");
+
+var _AssertStream2 = _interopRequireDefault(_AssertStream);
+
+var _sinon = require("sinon");
+
+var _sinon2 = _interopRequireDefault(_sinon);
+
+var _chai = require("chai");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+describe("AssertStreamTest", function () {
+    it("writes to an assert stream with a value expectation, until it ends with the expected value.", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var onEnd = _sinon2.default.spy();
+        var stream = new _AssertStream2.default({
+            test: "test"
+        }, {
+            tapper: tapSpy,
+            eventually: true
+        });
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function () {
+            (0, _chai.expect)(onEnd.callCount).to.equal(1);
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal("bla");
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal(0);
+            (0, _chai.expect)(tapSpy.secondCall.args.shift()).to.eql({});
+            (0, _chai.expect)(tapSpy.secondCall.args.shift()).to.equal(0);
+            (0, _chai.expect)(tapSpy.thirdCall.args.shift()).to.eql({
+                test: "test"
+            });
+            (0, _chai.expect)(tapSpy.thirdCall.args.shift()).to.equal(1);
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function (done) {
+        var onEnd = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(function (x) {
+            return x.test === "test" ? 1 : 0;
+        }, {});
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function () {
+            (0, _chai.expect)(onEnd.callCount).to.equal(1);
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(function (x) {
+            return x.test === "test" ? 1 : -1;
+        }, {
+            tapper: tapSpy
+        });
+
+        stream.on("error", function (e) {
+            (0, _chai.expect)(e.message).to.equal("the messages [\"bla\"] do not match your expectations.");
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal("bla");
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal(-1);
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        });
+
+        stream.write("bla");
+    });
+
+    it("writes to an assert stream, that expects multiple messages", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(["test1", "test2", "test3"], {
+            tapper: tapSpy
+        });
+        var onEnd = function onEnd() {
+            (0, _chai.expect)(tapSpy.firstCall.calledWith("test1", 0));
+            (0, _chai.expect)(tapSpy.secondCall.calledWith("test2", 0));
+            (0, _chai.expect)(tapSpy.thirdCall.calledWith("test3", 1));
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test1");
+        stream.write("test2");
+        stream.write("test3");
+    });
+
+    it("writes to an assert stream, filtering some messages", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(["test1", "test2"], {
+            tapper: tapSpy,
+            filter: function filter(value) {
+                return value !== "test4";
+            }
+        });
+
+        var onEnd = function onEnd() {
+            (0, _chai.expect)(tapSpy.firstCall.calledWith("test4", 0));
+            (0, _chai.expect)(tapSpy.secondCall.calledWith("test1", 0));
+            (0, _chai.expect)(tapSpy.thirdCall.calledWith("test2", 1));
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test4");
+        stream.write("test1");
+        stream.write("test2");
+    });
+});
+
+//# sourceMappingURL=AssertStreamTest.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/__tests__/ExpectStreamTest.js b/ExpectStreamBak/lib/__tests__/ExpectStreamTest.js
new file mode 100644
index 0000000..fefa22b
--- /dev/null
+++ b/ExpectStreamBak/lib/__tests__/ExpectStreamTest.js
@@ -0,0 +1,309 @@
+"use strict";
+
+var _getPrototypeOf = require("babel-runtime/core-js/object/get-prototype-of");
+
+var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require("babel-runtime/helpers/createClass");
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _possibleConstructorReturn2 = require("babel-runtime/helpers/possibleConstructorReturn");
+
+var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
+
+var _inherits2 = require("babel-runtime/helpers/inherits");
+
+var _inherits3 = _interopRequireDefault(_inherits2);
+
+var _lodash = require("lodash.isarray");
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+var _index = require("../index");
+
+var _stream = require("stream");
+
+var _assert = require("assert");
+
+var _assert2 = _interopRequireDefault(_assert);
+
+var _sinon = require("sinon");
+
+var _sinon2 = _interopRequireDefault(_sinon);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var ReadStream = function (_Readable) {
+    (0, _inherits3.default)(ReadStream, _Readable);
+
+    function ReadStream() {
+        var messages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "lala";
+        (0, _classCallCheck3.default)(this, ReadStream);
+
+        var _this = (0, _possibleConstructorReturn3.default)(this, (ReadStream.__proto__ || (0, _getPrototypeOf2.default)(ReadStream)).call(this, { objectMode: true }));
+
+        _this.messages = messages;
+        return _this;
+    }
+
+    (0, _createClass3.default)(ReadStream, [{
+        key: "_read",
+        value: function _read() {
+            this.push((0, _lodash2.default)(this.messages) ? this.messages.shift() : this.messages);
+        }
+    }]);
+    return ReadStream;
+}(_stream.Readable);
+
+var TransformStream = function (_Transform) {
+    (0, _inherits3.default)(TransformStream, _Transform);
+
+    function TransformStream() {
+        (0, _classCallCheck3.default)(this, TransformStream);
+        return (0, _possibleConstructorReturn3.default)(this, (TransformStream.__proto__ || (0, _getPrototypeOf2.default)(TransformStream)).apply(this, arguments));
+    }
+
+    (0, _createClass3.default)(TransformStream, [{
+        key: "_transform",
+        value: function _transform(chunk, enc, cb) {
+            this.push(chunk);
+            setTimeout(cb, 20);
+        }
+    }]);
+    return TransformStream;
+}(_stream.Transform);
+
+var ReadObjectStream = function (_Readable2) {
+    (0, _inherits3.default)(ReadObjectStream, _Readable2);
+
+    function ReadObjectStream() {
+        (0, _classCallCheck3.default)(this, ReadObjectStream);
+        return (0, _possibleConstructorReturn3.default)(this, (ReadObjectStream.__proto__ || (0, _getPrototypeOf2.default)(ReadObjectStream)).call(this, {
+            objectMode: true
+        }));
+    }
+
+    (0, _createClass3.default)(ReadObjectStream, [{
+        key: "_read",
+        value: function _read() {
+            this.push({
+                test: {
+                    test: []
+                }
+            });
+        }
+    }]);
+    return ReadObjectStream;
+}(_stream.Readable);
+
+var TransformObjStream = function (_Transform2) {
+    (0, _inherits3.default)(TransformObjStream, _Transform2);
+
+    function TransformObjStream() {
+        (0, _classCallCheck3.default)(this, TransformObjStream);
+        return (0, _possibleConstructorReturn3.default)(this, (TransformObjStream.__proto__ || (0, _getPrototypeOf2.default)(TransformObjStream)).call(this, {
+            objectMode: true
+        }));
+    }
+
+    (0, _createClass3.default)(TransformObjStream, [{
+        key: "_transform",
+        value: function _transform(obj, enc, cb) {
+            this.push(obj);
+            setTimeout(cb, 20);
+        }
+    }]);
+    return TransformObjStream;
+}(_stream.Transform);
+
+describe("ExpectStreamTest", function () {
+    // eslint-disable-line
+    it("uses the produce assertion with a readstream, matching exactly", function (done) {
+        (0, _index.expect)(new ReadStream(["lala1", "lala2", "lala3"])).to.produce(["lala1", "lala2", "lala3"]).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala" })).to.exactly.produce({ test: "lala" }).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality - part2", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala" })).to.produce.exactly({ test: "lala" }).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala", another: "lulu" })).to.produce({ test: "lala" }).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala" })).to.produce({ test: "lala", another: "lulu" }).notify(function (e) {
+            return e ? done() : done(new Error("Shouldn't end up here."));
+        });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly and fails", function (done) {
+        var stream = new ReadStream(["lala1", "lala", "lala3"]);
+
+        (0, _index.expect)(stream).to.produce(["lala1", "lala2", "lala3"]).notify(function (e) {
+            if (!e) return done(new Error("Should fail"));
+
+            try {
+                (0, _index.expect)(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                return done();
+            } catch (e2) {
+                return done(e2);
+            }
+        });
+    });
+
+    it("uses the produce assertion with a readstream, matching not exactly", function (done) {
+        var stream = new ReadStream(["lala1", "lala", "lala2", "lala3"]);
+
+        (0, _index.expect)(stream).to.eventually.produce(["lala1", "lala2", "lala3"]).notify(function (e) {
+            if (e) return done(e);
+
+            try {
+                (0, _index.expect)(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                return done();
+            } catch (e2) {
+                return done(e2);
+            }
+        });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly, but filtering some messages", function (done) {
+        (0, _index.expect)(new ReadStream(["lala1", "lala", "lala2", "lala3"])).filter(function (value) {
+            return value !== "lala";
+        }).to.produce(["lala1", "lala2", "lala3"]).notify(done);
+    });
+
+    it("uses the eventually produce assertion with a readstream, producing buffers.", function (done) {
+        (0, _index.expect)(new ReadStream()).to.eventually.produce("lala").notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, producing objects.", function (done) {
+        (0, _index.expect)(new ReadObjectStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion on the readstream with buffers.", function (done) {
+        (0, _index.expect)(new ReadStream()).to.eventually.produce("lulu").notify(function () {
+            return done(new Error("should not finish"));
+        });
+        setTimeout(function () {
+            return done();
+        }, 20);
+    });
+
+    it("fails the produce assertion on the readstream with objects.", function (done) {
+        (0, _index.expect)(new ReadStream()).to.eventually.produce({
+            test: "test2"
+        }).notify(function () {
+            return done(new Error("should not finish"));
+        });
+
+        setTimeout(function () {
+            return done();
+        }, 20);
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function (done) {
+        (0, _index.expect)(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").notify(done);
+    });
+
+    it("uses the produce assertion with a transformstream, producing objects.", function (done) {
+        (0, _index.expect)(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", "huhu", {
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion with a transformstream, producing buffers.", function (done) {
+        (0, _index.expect)(new TransformStream()).to.eventually.produce("huhu").on("lala", "test").notify(function () {
+            return done(new Error("should not finish"));
+        });
+
+        setTimeout(function () {
+            return done();
+        }, 70);
+    });
+
+    it("fails the produce assertion with a transformstream, producing objects.", function (done) {
+        (0, _index.expect)(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", {
+            test: {
+                test: 1
+            }
+        }).notify(function () {
+            return done(new Error("should not finish"));
+        });
+
+        setTimeout(function () {
+            return done();
+        }, 70);
+    });
+
+    it("tries to test a readstream with input", function (done) {
+        try {
+            (0, _index.expect)(new ReadStream()).to.eventually.produce("test").on("bla").notify(done);
+        } catch (e) {
+            _assert2.default.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("tries to test a transformstream without input", function (done) {
+        try {
+            (0, _index.expect)(new TransformStream()).to.eventually.produce("test").on().notify(done);
+        } catch (e) {
+            _assert2.default.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function (done) {
+        (0, _index.expect)(new TransformStream()).to.produce(function (x) {
+            return x === "huhu" ? 1 : -1;
+        }).on("lala", "test", "huhu").notify(function (e) {
+            return e instanceof Error ? done() : done(new Error("should throw"));
+        });
+    });
+
+    it("taps a stream under test.", function (done) {
+        var spy = _sinon2.default.spy();
+
+        (0, _index.expect)(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").tap(spy).notify(function () {
+            try {
+                (0, _index.expect)(spy.callCount).to.equal(3);
+                (0, _index.expect)(spy.firstCall.args.shift()).to.equal("lala");
+                (0, _index.expect)(spy.firstCall.args.shift()).to.equal(0);
+                (0, _index.expect)(spy.secondCall.args.shift()).to.equal("test");
+                (0, _index.expect)(spy.secondCall.args.shift()).to.equal(0);
+                (0, _index.expect)(spy.thirdCall.args.shift()).to.equal("huhu");
+                (0, _index.expect)(spy.thirdCall.args.shift()).to.equal(1);
+                done();
+            } catch (e) {
+                done(e);
+            }
+        });
+    });
+});
+
+//# sourceMappingURL=ExpectStreamTest.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/__tests__/ExpectedTest.js b/ExpectStreamBak/lib/__tests__/ExpectedTest.js
new file mode 100644
index 0000000..2740f0d
--- /dev/null
+++ b/ExpectStreamBak/lib/__tests__/ExpectedTest.js
@@ -0,0 +1,86 @@
+"use strict";
+
+var _Expected = require("../Expected");
+
+var _Expected2 = _interopRequireDefault(_Expected);
+
+var _chai = require("chai");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+describe("Expected", function () {
+    it("compares a single value with the expected one", function () {
+        var expected = _Expected2.default.of("Test", {});
+
+        (0, _chai.expect)(expected.match("Test")).to.equal(1);
+        (0, _chai.expect)(expected.match("NotTest")).to.equal(-1);
+    });
+
+    it("compares a single value with the expected one, skipping all not matching ones", function () {
+        var expected = _Expected2.default.of("Test", {
+            eventually: true
+        });
+
+        (0, _chai.expect)(expected.match("Test")).to.equal(1);
+        (0, _chai.expect)(expected.match("NotTest")).to.equal(0);
+    });
+
+    it("compares a list of values with another list of values", function () {
+        var expected = _Expected2.default.of(["Test1", "Test2", "Test3"], {});
+
+        (0, _chai.expect)(expected.match("Test1")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares a list of values with another list, skipping all non-matches", function () {
+        var expected = _Expected2.default.of(["Test3", "Test4", "Test5"], {
+            eventually: true
+        });
+
+        (0, _chai.expect)(expected.match("Test3")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test4")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test4")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a list of values with a filter", function () {
+        var expected = _Expected2.default.of(["Test3", "Test4", "Test5"], {
+            filter: function filter(value) {
+                return value !== "Test2";
+            }
+        });
+
+        (0, _chai.expect)(expected.match("Test3")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test4")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a single of values with a filter", function () {
+        var expected = _Expected2.default.of("Test3", {
+            filter: function filter(value) {
+                return value !== "Test2";
+            }
+        });
+
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares with a function", function () {
+        var expected = _Expected2.default.of(function (value) {
+            return value === "Test3" ? 1 : -1;
+        }, {
+            filter: function filter(value) {
+                return value !== "Test2";
+            }
+        });
+
+        (0, _chai.expect)(expected.match("Test1")).to.equal(-1);
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test3")).to.equal(1);
+    });
+});
+
+//# sourceMappingURL=ExpectedTest.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/examples/test.js b/ExpectStreamBak/lib/examples/test.js
new file mode 100644
index 0000000..647fe1f
--- /dev/null
+++ b/ExpectStreamBak/lib/examples/test.js
@@ -0,0 +1,3 @@
+"use strict";
+
+//# sourceMappingURL=test.js.map
\ No newline at end of file
diff --git a/ExpectStreamBak/lib/index.js b/ExpectStreamBak/lib/index.js
new file mode 100644
index 0000000..61a3553
--- /dev/null
+++ b/ExpectStreamBak/lib/index.js
@@ -0,0 +1,15 @@
+"use strict";
+
+var _StreamHelper = require("./StreamHelper");
+
+var _StreamHelper2 = _interopRequireDefault(_StreamHelper);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var chai = require("chai");
+
+chai.use(_StreamHelper2.default);
+
+module.exports = chai;
+
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/ISSUE_TEMPLATE.md
@@ -0,0 +1 @@
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..9cecc1d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. 
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
+products.  If such problems arise substantially in other domains, we
+stand ready to extend this provision to those domains in future versions
+of the GPL, as needed to protect the freedom of users.
+
+  Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish to
+avoid the special danger that patents applied to a free program could
+make it effectively proprietary.  To prevent this, the GPL assures that
+patents cannot be used to render the program non-free.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+  To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+  To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
+
+  An interactive user interface displays "Appropriate Legal Notices"
+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
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+extent that warranties are provided), that licensees may convey the
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+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+  1. Source Code.
+
+  The "source code" for a work means the preferred form of the work
+for making modifications to it.  "Object code" means any non-source
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+can regenerate automatically from other parts of the Corresponding
+Source.
+
+  The Corresponding Source for a work in source code form is that
+same work.
+
+  2. Basic Permissions.
+
+  All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met.  This License explicitly affirms your unlimited
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+covered work is covered by this License only if the output, given its
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+rights of fair use or other equivalent, as provided by copyright law.
+
+  You may make, run and propagate covered works that you do not
+convey, without conditions so long as your license otherwise remains
+in force.  You may convey covered works to others for the sole purpose
+of having them make modifications exclusively for you, or provide you
+with facilities for running those works, provided that you comply with
+the terms of this License in conveying all material for which you do
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+for you must do so exclusively on your behalf, under your direction
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+your copyrighted material outside their relationship with you.
+
+  Conveying under any other circumstances is permitted solely under
+the conditions stated below.  Sublicensing is not allowed; section 10
+makes it unnecessary.
+
+  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+  No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+  When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such circumvention
+is effected by exercising rights under this License with respect to
+the covered work, and you disclaim any intention to limit operation or
+modification of the work as a means of enforcing, against the work's
+users, your or third parties' legal rights to forbid circumvention of
+technological measures.
+
+  4. Conveying Verbatim Copies.
+
+  You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+  You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+  5. Conveying Modified Source Versions.
+
+  You may convey a work based on the Program, or the modifications to
+produce it from the Program, in the form of source code under the
+terms of section 4, provided that you also meet all of these conditions:
+
+    a) The work must carry prominent notices stating that you modified
+    it, and giving a relevant date.
+
+    b) The work must carry prominent notices stating that it is
+    released under this License and any conditions added under section
+    7.  This requirement modifies the requirement in section 4 to
+    "keep intact all notices".
+
+    c) You must license the entire work, as a whole, under this
+    License to anyone who comes into possession of a copy.  This
+    License will therefore apply, along with any applicable section 7
+    additional terms, to the whole of the work, and all its parts,
+    regardless of how they are packaged.  This License gives no
+    permission to license the work in any other way, but it does not
+    invalidate such permission if you have separately received it.
+
+    d) If the work has interactive user interfaces, each must display
+    Appropriate Legal Notices; however, if the Program has interactive
+    interfaces that do not display Appropriate Legal Notices, your
+    work need not make them do so.
+
+  A compilation of a covered work with other separate and independent
+works, which are not by their nature extensions of the covered work,
+and which are not combined with it such as to form a larger program,
+in or on a volume of a storage or distribution medium, is called an
+"aggregate" if the compilation and its resulting copyright are not
+used to limit the access or legal rights of the compilation's users
+beyond what the individual works permit.  Inclusion of a covered work
+in an aggregate does not cause this License to apply to the other
+parts of the aggregate.
+
+  6. Conveying Non-Source Forms.
+
+  You may convey a covered work in object code form under the terms
+of sections 4 and 5, provided that you also convey the
+machine-readable Corresponding Source under the terms of this License,
+in one of these ways:
+
+    a) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by the
+    Corresponding Source fixed on a durable physical medium
+    customarily used for software interchange.
+
+    b) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by a
+    written offer, valid for at least three years and valid for as
+    long as you offer spare parts or customer support for that product
+    model, to give anyone who possesses the object code either (1) a
+    copy of the Corresponding Source for all the software in the
+    product that is covered by this License, on a durable physical
+    medium customarily used for software interchange, for a price no
+    more than your reasonable cost of physically performing this
+    conveying of source, or (2) access to copy the
+    Corresponding Source from a network server at no charge.
+
+    c) Convey individual copies of the object code with a copy of the
+    written offer to provide the Corresponding Source.  This
+    alternative is allowed only occasionally and noncommercially, and
+    only if you received the object code with such an offer, in accord
+    with subsection 6b.
+
+    d) Convey the object code by offering access from a designated
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+    Corresponding Source in the same way through the same place at no
+    further charge.  You need not require recipients to copy the
+    Corresponding Source along with the object code.  If the place to
+    copy the object code is a network server, the Corresponding Source
+    may be on a different server (operated by you or a third party)
+    that supports equivalent copying facilities, provided you maintain
+    clear directions next to the object code saying where to find the
+    Corresponding Source.  Regardless of what server hosts the
+    Corresponding Source, you remain obligated to ensure that it is
+    available for as long as needed to satisfy these requirements.
+
+    e) Convey the object code using peer-to-peer transmission, provided
+    you inform other peers where the object code and Corresponding
+    Source of the work are being offered to the general public at no
+    charge under subsection 6d.
+
+  A separable portion of the object code, whose source code is excluded
+from the Corresponding Source as a System Library, need not be
+included in conveying the object code work.
+
+  A "User Product" is either (1) a "consumer product", which means any
+tangible personal property which is normally used for personal, family,
+or household purposes, or (2) anything designed or sold for incorporation
+into a dwelling.  In determining whether a product is a consumer product,
+doubtful cases shall be resolved in favor of coverage.  For a particular
+product received by a particular user, "normally used" refers to a
+typical or common use of that class of product, regardless of the status
+of the particular user or of the way in which the particular user
+actually uses, or expects or is expected to use, the product.  A product
+is a consumer product regardless of whether the product has substantial
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+
+  "Installation Information" for a User Product means any methods,
+procedures, authorization keys, or other information required to install
+and execute modified versions of a covered work in that User Product from
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+code is in no case prevented or interfered with solely because
+modification has been made.
+
+  If you convey an object code work under this section in, or with, or
+specifically for use in, a User Product, and the conveying occurs as
+part of a transaction in which the right of possession and use of the
+User Product is transferred to the recipient in perpetuity or for a
+fixed term (regardless of how the transaction is characterized), the
+Corresponding Source conveyed under this section must be accompanied
+by the Installation Information.  But this requirement does not apply
+if neither you nor any third party retains the ability to install
+modified object code on the User Product (for example, the work has
+been installed in ROM).
+
+  The requirement to provide Installation Information does not include a
+requirement to continue to provide support service, warranty, or updates
+for a work that has been modified or installed by the recipient, or for
+the User Product in which it has been modified or installed.  Access to a
+network may be denied when the modification itself materially and
+adversely affects the operation of the network or violates the rules and
+protocols for communication across the network.
+
+  Corresponding Source conveyed, and Installation Information provided,
+in accord with this section must be in a format that is publicly
+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+  7. Additional Terms.
+
+  "Additional permissions" are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law.  If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+  When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
+it.  (Additional permissions may be written to require their own
+removal in certain cases when you modify the work.)  You may place
+additional permissions on material, added by you to a covered work,
+for which you have or can give appropriate copyright permission.
+
+  Notwithstanding any other provision of this License, for material you
+add to a covered work, you may (if authorized by the copyright holders of
+that material) supplement the terms of this License with terms:
+
+    a) Disclaiming warranty or limiting liability differently from the
+    terms of sections 15 and 16 of this License; or
+
+    b) Requiring preservation of specified reasonable legal notices or
+    author attributions in that material or in the Appropriate Legal
+    Notices displayed by works containing it; or
+
+    c) Prohibiting misrepresentation of the origin of that material, or
+    requiring that modified versions of such material be marked in
+    reasonable ways as different from the original version; or
+
+    d) Limiting the use for publicity purposes of names of licensors or
+    authors of the material; or
+
+    e) Declining to grant rights under trademark law for use of some
+    trade names, trademarks, or service marks; or
+
+    f) Requiring indemnification of licensors and authors of that
+    material by anyone who conveys the material (or modified versions of
+    it) with contractual assumptions of liability to the recipient, for
+    any liability that these contractual assumptions directly impose on
+    those licensors and authors.
+
+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term.  If a license document contains
+a further restriction but permits relicensing or conveying under this
+License, you may add to a covered work material governed by the terms
+of that license document, provided that the further restriction does
+not survive such relicensing or conveying.
+
+  If you add terms to a covered work in accord with this section, you
+must place, in the relevant source files, a statement of the
+additional terms that apply to those files, or a notice indicating
+where to find the applicable terms.
+
+  Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions;
+the above requirements apply either way.
+
+  8. Termination.
+
+  You may not propagate or modify a covered work except as expressly
+provided under this License.  Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+  However, if you cease all violation of this License, then your
+license from a particular copyright holder is reinstated (a)
+provisionally, unless and until the copyright holder explicitly and
+finally terminates your license, and (b) permanently, if the copyright
+holder fails to notify you of the violation by some reasonable means
+prior to 60 days after the cessation.
+
+  Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+  Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
+run a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+  An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
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+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+  You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
+  A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+  A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+  Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+  In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    {one line to give the program's name and a brief idea of what it does.}
+    Copyright (C) {year}  {name of author}
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see .
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    {project}  Copyright (C) {year}  {fullname}
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b516189
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,139 @@
+.PHONY: test, build, setup, docs, install, clean
+
+##
+#  use bash as shell
+#
+SHELL:=/bin/bash
+
+##
+#  root directory (Makefile location)
+#
+WORKING_DIR:=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
+
+##
+#  default value for installdir (= working dir)
+#
+ifeq ($(INSTALLDIR),)
+INSTALLDIR=$(WORKING_DIR)
+endif
+
+##
+#  find all relevant sources (sources that end with .js)
+#  and get their path relative to working dir
+#
+SOURCES_RELATIVE:= \
+	$(shell cd $(WORKING_DIR) && find src -type f -iname '*.js')
+
+##
+#  save the relative sources to a new variable that holds al SOURCES
+#  with absolute paths
+#
+SOURCES:= \
+	$(foreach x, $(SOURCES_RELATIVE), $(WORKING_DIR)/$(x))
+
+##
+#  these are our "object"-files - the files that are transpiled from
+#  es6 to es5
+#
+OBJECTS:= \
+	$(foreach x, $(SOURCES_RELATIVE), $(WORKING_DIR)/build/$(x))
+
+##
+#  these are our "object"-files - the files that are transpiled from
+#  es6 to es5
+#
+INSTALLED_OBJECTS:= \
+	$(foreach x, $(shell cd $(WORKING_DIR)/src && find . -type f -iname '*.js'), $(INSTALLDIR)/lib/$(x)) \
+
+##
+#  These are our example files - they will be moved to a separate
+#  examples dir in root folder
+#
+EXAMPLES:= \
+	$(foreach x, $(shell cd $(WORKING_DIR)/src && find examples -type f -iname '*.js'), $(INSTALLDIR)/$(basename $(x)))
+
+all: install
+
+setup: $(WORKING_DIR)/setupfile
+
+build: $(OBJECTS)
+	@+make -s $(WORKING_DIR)/build/src/lib
+
+test: build
+	$(WORKING_DIR)/node_modules/.bin/istanbul cover --root $(WORKING_DIR)/build/src -x "**/__tests__/**" $(WORKING_DIR)/node_modules/.bin/_mocha $(shell find $(WORKING_DIR)/build/src -name "*Test.js") -- -R spec --require source-map-support/register
+	$(WORKING_DIR)/node_modules/.bin/remap-istanbul -i $(WORKING_DIR)/coverage/coverage.json -o $(WORKING_DIR)/coverage/lcov-report -t html
+
+docs: build
+	$(WORKING_DIR)/node_modules/.bin/esdoc -c esdoc.json
+
+install: docs test
+	@+make -s $(INSTALLED_OBJECTS)
+	@+make -s $(EXAMPLES)
+	$(info Copied $(INSTALLED_OBJECTS) to $(INSTALLDIR))
+
+clean:
+	rm -rf $(WORKING_DIR)/build
+	rm -rf $(WORKING_DIR)/docs
+	rm -rf $(WORKING_DIR)/lib
+	rm -rf $(WORKING_DIR)/coverage
+	rm -rf $(WORKING_DIR)/setupfile
+
+##
+#  file to save setup status
+#
+$(WORKING_DIR)/setupfile:
+	@echo "setup done" > $(WORKING_DIR)/setupfile
+
+##
+#  this targets are necessary to not always trigger a rebuild of
+#  transpiled files, even if they exist. if the no-op is removed
+#  this will trigger a rebuild too
+#
+$(WORKING_DIR)/src/%.js:
+	@echo "" > /dev/null
+
+##
+#  target to create build/src. Used as precondition
+#  for linking a ne dir lib recursively to src
+#
+$(WORKING_DIR)/build/src:
+	mkdir -p $@
+
+##
+# links a directory "lib" located in build/src to src.
+# Used to be able to test binaries, because they use
+# the lib after compiling has finished
+#
+$(WORKING_DIR)/build/src/lib: $(WORKING_DIR)/build/src
+	ln -s $< $@
+
+##
+#  every transpiled file requires a matching source file
+#  to be created.
+#
+$(WORKING_DIR)/build/src/%.js: $(WORKING_DIR)/src/%.js $(WORKING_DIR)/setupfile
+	mkdir -p $(dir $@)
+	$(WORKING_DIR)/node_modules/.bin/eslint $<
+	$(WORKING_DIR)/node_modules/.bin/babel $< --out-file $@ --source-maps --presets stage-0,es2015 --plugins transform-decorators-legacy,transform-runtime,transform-class-properties
+
+##
+#  every destination file needs a transpiled
+#  source that is tested
+#
+$(INSTALLDIR)/lib/%.js: $(WORKING_DIR)/build/src/%.js
+	mkdir -p $(dir $@)
+	cp $< $@
+
+$(WORKING_DIR)/build/src/%.png: $(WORKING_DIR)/src/%.png
+	mkdir -p $(dir $@)
+	cp $< $@
+
+##
+#  every destination file needs a transpiled
+#  source that is tested
+#
+$(INSTALLDIR)/examples/%: $(WORKING_DIR)/build/src/examples/%.js
+	mkdir -p $(dir $@)
+	echo "#!/usr/bin/env node" > $@
+	cat $< >> $@
+	chmod +x $@
diff --git a/PULL_REQUEST_TEMPLATE.md b/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..9c96bf6
--- /dev/null
+++ b/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+**Fixes**
+#
+
+#### Proposed Changes
+*
+*
+*
+*
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..79046fe
--- /dev/null
+++ b/README.md
@@ -0,0 +1,169 @@
+# ExpectStream
+
+Testing streams sucks. So we built this extension to chai to reduce the suck-factor of testing node streams.
+Now, let's forget about all the drama and call it a victory:
+
+![victory](http://www.quotesmeme.com/wp-content/uploads/2015/06/f60752b4481e83013217fa3d82f616bd.jpg "victory")
+
+# API
+
+As this module extends [chai](http://chaijs.com) most of the documentation can be found at their website. ExpectStream extends it with new methods for asserting streams asynchronously:
+
+##### .produce
+This method takes either one or multiple values, which are expected to be the only outputs produced by the stream under test or a function that takes the value and checks if it is the expected one. In the latter case, there are three values your callback should return to signal its state:
+
+* If the function returns `0`, the input value is not the expected value, but does not represent an error case either. The test will go on (or timeout).
+
+* If the function returns `1`, it's the signal that the correct value has finally arrived. The assertion will notify the test, that it is successful.
+
+* If the function returns `-1`, it signals that the given input value is erroneous. We will be notified of the error via `notify`.
+
+##### .eventually
+This property allows ExpectStream to ignore mismatches until the correct values are produced.
+
+#### .exactly
+Using this chainable method will adjust the assertion configuration to strict equality. Otherwise ```ExpectStream``` validates, if the produced output contains the expected value. 
+
+##### .filter
+This method accepts a function, that can be used to ignore some outputs, which is signalled by returning ```false``` in this callback.
+
+##### .on
+This method takes the values the stream under test should use to produce its output, if it isn't only a readable stream.
+
+##### .notify
+This method is used to notify the testrunner if an error occurs or if the streams ended and have produced the expected message
+
+##### .tap
+With this method you can tap into the stream under test and inspect whats going on, if an error happens
+
+# Usage
+
+Suppose we have a transform stream, that adds a Mr. to the start of every value, that enters it:
+
+```js
+// src/Misterizer
+import { Transform } from "stream";
+
+export default class Misterizer extends Transform {
+	_transform(name, enc, cb) {
+		this.push(`Mr. ${name}`);
+		cb();
+	}
+}
+```
+
+Now we'd like to test it, using mocha with ExpectStream:
+
+```js
+// src/__tests__/MisterizerTest
+import { expect } from "core-assert";
+import Misterizer from "../Misterizer"
+
+describe("MisterizerTest", function() {
+	// this test passes
+	it("Misterizes Circle", function(done) {
+		expect(new Misterizer())
+			.to.exactly.produce("Mr. Circle")
+			.on("Circle")
+			.notify(done);
+	});
+
+	// this test will trigger a timeout
+	it("Misterizes Square", function(done) {
+		expect(new Misterizer())
+			.to.eventually.produce("Mr. Circle")
+			.on("Square")
+			.tap(::console.log) // will print "Square, 0)"
+			.notify(done);
+	});
+});
+```
+But the mighty power of ```ExpectStream``` offers much more functionality, which will be presented by FunnyBot: 
+```js
+// src/FunnyBot
+import { Readable } from "stream";
+
+export default class FunnyBot extends Readable {
+	constructor(jokes) {
+		super({ objectMode: true });
+		
+		this.jokes = jokes;
+	}
+	
+	_read() {
+		return this.push(this.jokes.shift());
+	}
+}
+```
+All that is missing now are some funny jokes:
+```js
+// src/__tests__/FunnyBotTest
+import { expect } from "@circle/core-assert";
+import FunnyBot from "../FunnyBot";
+
+describe("FunnyBot", function() {
+	it("tells multiple really funny jokes", function() {
+		expect(new FunnyBot([{
+			date: Date.now(),
+			joke: "Hello, I am FunnyBot!"
+		}, {
+			date: Date.now(),
+			joke: "I am not a joke"
+		}, {
+			date: Date.now(),
+			joke: "What do you see when the Pillsbury Dough Boy bends over? Dough nuts"
+		}]).filter(x => x.joke !== "I am not a joke").to.produce([{
+			joke: "Hello, I am FunnyBot!" 
+		}, {
+			joke: "What do you see when the Pillsbury Dough Boy bends over? Dough nuts"
+		}]).notify(done);
+	});
+	
+	it("thinks about complex problems", function() {
+		expect(new FunnyBot([{
+			date: Date.now(),
+			joke: "Hello, I am FunnyBot!"
+		}, {
+			date: Date.now(),
+			joke: "I am not a joke"
+		}, {
+			date: Date.now(),
+			joke: "The line is an imaginary invention of imperfect biological life forms."
+		}]).to.eventually.produce([{
+			joke: "Hello, I am FunnyBot!" 
+		}, {
+			joke: "The line is an imaginary invention of imperfect biological life forms."
+		}]).notify(done);
+	});
+	
+	it("writes up some new material", function() {
+		expect(new FunnyBot([{
+			firstTry: "Error. Error. Banal."
+		}, {
+			secondTry: "That has been done before."
+		}, {
+			lastTry: "Funnybot is now finished with final joke."
+		}]).to.produce.exactly([{
+			firstTry: "Error. Error. Banal."
+		}, {
+			secondTry: "That has been done before."
+		}, {
+			lastTry: "Funnybot is now finished with final joke."
+		}]).notify(done);	
+	});
+});
+```
+# Testing
+
+ExpectStream is tested with mocha by executing ```make test``` in the root directory of the project.
+
+# Contributing
+
+If you want to contribute to this repository, please ensure ...
+  - to use ```make``` for development (it validates the source code and transpiles it to ```/lib```).
+  - to follow the existing coding style.
+  - to use the linting tools that are listed in the ```package.json``` (which you get for free when using ```make```).
+  - to add and/or customize unit tests for any changed code.
+  - to reference the corresponding issue in your pull request with a small description of your changes.
+
+All contributors are listed in the ```AUTHORS``` file, sorted by the time of their first contribution.
diff --git a/docs/ast/source/AssertStream.js.json b/docs/ast/source/AssertStream.js.json
new file mode 100644
index 0000000..a4782be
--- /dev/null
+++ b/docs/ast/source/AssertStream.js.json
@@ -0,0 +1,2233 @@
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+                      }
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+                }
+              },
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+    }
+  ]
+}
\ No newline at end of file
diff --git a/docs/ast/source/Expected.js.json b/docs/ast/source/Expected.js.json
new file mode 100644
index 0000000..a5270eb
--- /dev/null
+++ b/docs/ast/source/Expected.js.json
@@ -0,0 +1,4876 @@
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+}
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diff --git a/docs/ast/source/__tests__/ExpectedTest.js.json b/docs/ast/source/__tests__/ExpectedTest.js.json
new file mode 100644
index 0000000..aae8054
--- /dev/null
+++ b/docs/ast/source/__tests__/ExpectedTest.js.json
@@ -0,0 +1,7435 @@
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diff --git a/docs/ast/source/examples/test.js.json b/docs/ast/source/examples/test.js.json
new file mode 100644
index 0000000..1130fe3
--- /dev/null
+++ b/docs/ast/source/examples/test.js.json
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+}
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diff --git a/docs/ast/source/index.js.json b/docs/ast/source/index.js.json
new file mode 100644
index 0000000..b042b04
--- /dev/null
+++ b/docs/ast/source/index.js.json
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new file mode 100644
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+++ b/docs/class/src/AssertStream.js~AssertStream.html
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+
+  
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+  AssertStream | API Document
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+  
+  
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+  
+
+
+
+
                              
+  Home
+  
+  Reference
+  Source
+  
+  Repository
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                                import AssertStream from 'expect-stream/src/AssertStream.js'
                                
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+  
+  | source
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+
                                
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                                AssertStream
                                
+
+  
+
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                                Extends:
                                stream~Writable → AssertStream
                                
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                                this stream is used to be piped into.
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                                Public Constructor
                                
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                                Method Summary
                                
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                                Public Methods
                                
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+           _write(chunk: string | object, enc: string, cb: function): *
+        
                                
+      
                                
+      
                                
+        
+        
+        
                                implementation of the write function.
                                
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+      
                                
+                                    		
+      
+      
+    
                                
+
                                
+
+
+
+
+
+
                                Public Constructors
                                
+
+
                                
+  
                                
+    public
+    
+    
+    
+    
+    constructor(expected: *, options: object)
+    
+      
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+      source
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+  
                                
+
+  
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+  
                                constructor for this stream
                                
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+
+  
+
+  
                                
+  
                                Params:
                                
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+    
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+    
+      
+      
+      
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+    
+
+      
+      
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+      
+    
+
+  
                                NameTypeAttributeDescription
                                expected*
                                value
                                
+
                                optionsobject
                                configuring the behaviour of AssertSream
                                
+
                                
+
                                
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                                Public Members
                                
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                                Public Methods
                                
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+  
                                
+    public
+    
+    
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+    
+    _write(chunk: string | object, enc: string, cb: function): *
+    
+      
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                                implementation of the write function. transforms data,
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                                Params:
                                
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                                NameTypeAttributeDescription
                                chunkstring | object
                                of data
                                
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                                encstring
                                of data
                                
+
                                cbfunction
                                when operation finished
                                
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+
                                
+
                                
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+    
                                Return:
                                
+    
+      
+        
+        
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+    
                                *
                                
+    
                                
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diff --git a/docs/class/src/Expected.js~Expected.html b/docs/class/src/Expected.js~Expected.html
new file mode 100644
index 0000000..e7660fa
--- /dev/null
+++ b/docs/class/src/Expected.js~Expected.html
@@ -0,0 +1,983 @@
+
+
+
+  
+  
+  Expected | API Document
+  
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+  
+  
+  
+  
+
+
+
+
                                
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                
+  
+    
+    
+  
+    
                                  
+  
                                  
+
                                  
+
+
+
+
                                  
+  
                                  import Expected from 'expect-stream/src/Expected.js'
                                  
+  public
+  class
+  
+  
+  
+  | source
+
                                  
+
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                                  Expected
                                  
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+
                                  Static Method Summary
                                  
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+
                                  Static Public Methods
                                  
+      public
+      static
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+        
                                  
+           of(args: *): Expected
+        
                                  
+      
                                  
+      
                                  
+        
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+        
                                  Creates an ExpectationClass, that checks,
+whether an incoming value matches the
+expectations
                                  
+
                                  
+      
                                  
+                                      		
+      
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+    
                                  
+
                                  
+
                                  Constructor Summary
                                  
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                                  Public Constructor
                                  
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                                  Constructor of Expected
                                  
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                                  Member Summary
                                  
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                                  Public Members
                                  
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+    
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+           expection: *
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+      public
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+                                      		
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+           matcher: *
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+                                      		
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+           messages: *
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+                                      		
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+
                                  Method Summary
                                  
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+
+    
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+  
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+
                                  Public Methods
                                  
+      public
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+        
                                  
+           getError(): Error
+        
                                  
+      
                                  
+      
                                  
+        
+        
+        
                                  produces the error containing the expected vs actual results
                                  
+
                                  
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+                                      		
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+    
                                  
+      public
+      
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+        
                                  
+           includes(value: *): Number
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                                  Checks if next value in list matches the input
                                  
+
                                  
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+                                      		
+      
+      
+    
                                  
+      public
+      
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+    
+      
                                  
+        
                                  
+           match(value: *): Number
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+        
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+        
                                  Compares input with expectations
                                  
+
                                  
+      
                                  
+                                      		
+      
+      
+    
                                  
+
                                  
+
+
+
+
+
                                  Static Public Methods
                                  
+
+
                                  
+  
                                  
+    public
+    static
+    
+    
+    
+    of(args: *): Expected
+    
+      
+      
+      source
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+  
                                  
+
+  
+  
+  
+  
                                  Creates an ExpectationClass, that checks,
+whether an incoming value matches the
+expectations
                                  
+
                                  
+
+  
+
+  
                                  
+  
                                  Params:
                                  
+  
+    
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+    
+    
+    
+      
+      
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+      
+    
+
+  
                                  NameTypeAttributeDescription
                                  args*
                                  needed for creation
                                  
+
                                  
+
                                  
+
                                  
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+  
                                  
+    
                                  Return:
                                  
+    
+      
+        
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+    
                                  Expected
                                  
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+  
                                  
+
+  
+
+  
+
+  
+
+  
+
+  
+
+  
+  
+
                                  
+
                                  
+
                                  Public Constructors
                                  
+
+
                                  
+  
                                  
+    public
+    
+    
+    
+    
+    constructor(expected: *, options: object)
+    
+      
+      
+      source
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+  
                                  
+
+  
+  
+  
+  
                                  Constructor of Expected
                                  
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+
+  
+
+  
                                  
+  
                                  Params:
                                  
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+    
+    
+    
+    
+    
+    
+      
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+
+      
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                                  NameTypeAttributeDescription
                                  expected*
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                                  optionsobject
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+  
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+  
                                  NameTypeAttributeDescription
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                                  value*
                                  to be compared
                                  
+
                                  
+
                                  
+
                                  
+
+  
                                  
+    
                                  Return:
                                  
+    
+      
+        
+        
+      
+    
                                  Number
                                  
+    
                                  
+
                                  
+  
                                  
+
+  
+
+  
+
+  
+
+  
+
+  
+
+  
+  
+
                                  
+
                                  
+
                                  
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/coverage.json b/docs/coverage.json
new file mode 100644
index 0000000..05c148e
--- /dev/null
+++ b/docs/coverage.json
@@ -0,0 +1,33 @@
+{
+  "coverage": "50%",
+  "expectCount": 18,
+  "actualCount": 9,
+  "files": {
+    "src/AssertStream.js": {
+      "expectCount": 5,
+      "actualCount": 3,
+      "undocumentLines": [
+        25,
+        26
+      ]
+    },
+    "src/Expected.js": {
+      "expectCount": 12,
+      "actualCount": 5,
+      "undocumentLines": [
+        8,
+        32,
+        31,
+        35,
+        33,
+        30,
+        34
+      ]
+    },
+    "src/StreamHelper.js": {
+      "expectCount": 1,
+      "actualCount": 1,
+      "undocumentLines": []
+    }
+  }
+}
\ No newline at end of file
diff --git a/docs/css/prettify-tomorrow.css b/docs/css/prettify-tomorrow.css
new file mode 100644
index 0000000..b6f92a7
--- /dev/null
+++ b/docs/css/prettify-tomorrow.css
@@ -0,0 +1,132 @@
+/* Tomorrow Theme */
+/* Original theme - https://github.com/chriskempson/tomorrow-theme */
+/* Pretty printing styles. Used with prettify.js. */
+/* SPAN elements with the classes below are added by prettyprint. */
+/* plain text */
+.pln {
+  color: #4d4d4c; }
+
+@media screen {
+  /* string content */
+  .str {
+    color: #718c00; }
+
+  /* a keyword */
+  .kwd {
+    color: #8959a8; }
+
+  /* a comment */
+  .com {
+    color: #8e908c; }
+
+  /* a type name */
+  .typ {
+    color: #4271ae; }
+
+  /* a literal value */
+  .lit {
+    color: #f5871f; }
+
+  /* punctuation */
+  .pun {
+    color: #4d4d4c; }
+
+  /* lisp open bracket */
+  .opn {
+    color: #4d4d4c; }
+
+  /* lisp close bracket */
+  .clo {
+    color: #4d4d4c; }
+
+  /* a markup tag name */
+  .tag {
+    color: #c82829; }
+
+  /* a markup attribute name */
+  .atn {
+    color: #f5871f; }
+
+  /* a markup attribute value */
+  .atv {
+    color: #3e999f; }
+
+  /* a declaration */
+  .dec {
+    color: #f5871f; }
+
+  /* a variable name */
+  .var {
+    color: #c82829; }
+
+  /* a function name */
+  .fun {
+    color: #4271ae; } }
+/* Use higher contrast and text-weight for printable form. */
+@media print, projection {
+  .str {
+    color: #060; }
+
+  .kwd {
+    color: #006;
+    font-weight: bold; }
+
+  .com {
+    color: #600;
+    font-style: italic; }
+
+  .typ {
+    color: #404;
+    font-weight: bold; }
+
+  .lit {
+    color: #044; }
+
+  .pun, .opn, .clo {
+    color: #440; }
+
+  .tag {
+    color: #006;
+    font-weight: bold; }
+
+  .atn {
+    color: #404; }
+
+  .atv {
+    color: #060; } }
+/* Style */
+/*
+pre.prettyprint {
+  background: white;
+  font-family: Consolas, Monaco, 'Andale Mono', monospace;
+  font-size: 12px;
+  line-height: 1.5;
+  border: 1px solid #ccc;
+  padding: 10px; }
+*/
+
+/* Specify class=linenums on a pre to get line numbering */
+ol.linenums {
+  margin-top: 0;
+  margin-bottom: 0; }
+
+/* IE indents via margin-left */
+li.L0,
+li.L1,
+li.L2,
+li.L3,
+li.L4,
+li.L5,
+li.L6,
+li.L7,
+li.L8,
+li.L9 {
+  /* */ }
+
+/* Alternate shading for lines */
+li.L1,
+li.L3,
+li.L5,
+li.L7,
+li.L9 {
+  /* */ }
diff --git a/docs/css/style.css b/docs/css/style.css
new file mode 100644
index 0000000..baf349f
--- /dev/null
+++ b/docs/css/style.css
@@ -0,0 +1,944 @@
+@import url(https://fonts.googleapis.com/css?family=Roboto:400,300,700);
+
+* {
+  margin: 0;
+  padding: 0;
+  text-decoration: none;
+}
+
+html
+{
+  font-family: 'Roboto', sans-serif;
+  overflow: auto;
+  font-size: 14px;
+  /*color: #4d4e53;*/
+  color: rgba(0, 0, 0, .68);
+  background-color: #fff;
+}
+
+a {
+  /*color: #0095dd;*/
+  /*color:rgb(37, 138, 175);*/
+  color: #039BE5;
+}
+
+code a:hover {
+  text-decoration: underline;
+}
+
+ul, ol {
+  padding-left: 20px;
+}
+
+ul li {
+  list-style: disc;
+  margin: 4px 0;
+}
+
+ol li {
+  margin: 4px 0;
+}
+
+h1 {
+  margin-bottom: 10px;
+  font-size: 34px;
+  font-weight: 300;
+  border-bottom: solid 1px #ddd;
+}
+
+h2 {
+  margin-top: 24px;
+  margin-bottom: 10px;
+  font-size: 20px;
+  border-bottom: solid 1px #ddd;
+  font-weight: 300;
+}
+
+h3 {
+  position: relative;
+  font-size: 16px;
+  margin-bottom: 12px;
+  background-color: #E2E2E2;
+  padding: 4px;
+  font-weight: 300;
+}
+
+del {
+  text-decoration: line-through;
+}
+
+p {
+  margin-bottom: 15px;
+  line-height: 1.5;
+}
+
+p > code {
+  background-color: #f5f5f5;
+  border-radius: 3px;
+}
+
+pre > code {
+  display: block;
+}
+
+pre.prettyprint, pre > code {
+  padding: 4px;
+  margin: 1em 0;
+  background-color: #f5f5f5;
+  border-radius: 3px;
+}
+
+pre.prettyprint > code {
+  margin: 0;
+}
+
+p > code,
+li > code {
+  padding: 0 4px;
+  border-radius: 3px;
+}
+
+.import-path pre.prettyprint,
+.import-path pre.prettyprint code {
+  margin: 0;
+  padding: 0;
+  border: none;
+  background: white;
+}
+
+.layout-container {
+  /*display: flex;*/
+  /*flex-direction: row;*/
+  /*justify-content: flex-start;*/
+  /*align-items: stretch;*/
+}
+
+.layout-container > header {
+  height: 40px;
+  line-height: 40px;
+  font-size: 16px;
+  padding: 0 10px;
+  margin: 0;
+  position: fixed;
+  width: 100%;
+  z-index: 1;
+  background-color: white;
+  top: 0;
+  border-bottom: solid 1px #E02130;
+}
+.layout-container > header > a{
+  margin: 0 5px;
+}
+
+.layout-container > header > a.repo-url-github {
+  font-size: 0;
+  display: inline-block;
+  width: 20px;
+  height: 38px;
+  background: url("../image/github.png") no-repeat center;
+  background-size: 20px;
+  vertical-align: top;
+}
+
+.navigation {
+  position: fixed;
+  top: 0;
+  left: 0;
+  box-sizing: border-box;
+  width: 250px;
+  height: 100%;
+  padding-top: 40px;
+  padding-left: 15px;
+  padding-bottom: 2em;
+  margin-top:1em;
+  overflow-x: scroll;
+  box-shadow: rgba(255, 255, 255, 1) -1px 0 0 inset;
+  border-right: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+.navigation ul {
+  padding: 0;
+}
+
+.navigation li {
+  list-style: none;
+  margin: 4px 0;
+  white-space: nowrap;
+}
+
+.navigation .nav-dir-path {
+  margin-top: 0.7em;
+  margin-bottom: 0.25em;
+  font-size: 0.8em;
+  color: #aaa;
+}
+
+.kind-class,
+.kind-interface,
+.kind-function,
+.kind-typedef,
+.kind-variable,
+.kind-external {
+  margin-left: 0.75em;
+  width: 1.2em;
+  height: 1.2em;
+  display: inline-block;
+  text-align: center;
+  border-radius: 0.2em;
+  margin-right: 0.2em;
+  font-weight: bold;
+}
+
+.kind-class {
+  color: #009800;
+  background-color: #bfe5bf;
+}
+
+.kind-interface {
+  color: #fbca04;
+  background-color: #fef2c0;
+}
+
+.kind-function {
+  color: #6b0090;
+  background-color: #d6bdde;
+}
+
+.kind-variable {
+  color: #eb6420;
+  background-color: #fad8c7;
+}
+
+.kind-typedef {
+  color: #db001e;
+  background-color: #edbec3;
+}
+
+.kind-external {
+  color: #0738c3;
+  background-color: #bbcbea;
+}
+
+h1 .version,
+h1 .url a {
+  font-size: 14px;
+  color: #aaa;
+}
+
+.content {
+  margin-top: 40px;
+  margin-left: 250px;
+  padding: 10px 50px 10px 20px;
+}
+
+.header-notice {
+  font-size: 14px;
+  color: #aaa;
+  margin: 0;
+}
+
+.expression-extends .prettyprint {
+  margin-left: 10px;
+  background: white;
+}
+
+.extends-chain {
+  border-bottom: 1px solid#ddd;
+  padding-bottom: 10px;
+  margin-bottom: 10px;
+}
+
+.extends-chain span:nth-of-type(1) {
+  padding-left: 10px;
+}
+
+.extends-chain > div {
+  margin: 5px 0;
+}
+
+.description table {
+  font-size: 14px;
+  border-spacing: 0;
+  border: 0;
+  border-collapse: collapse;
+}
+
+.description thead {
+  background: #999;
+  color: white;
+}
+
+.description table td,
+.description table th {
+  border: solid 1px #ddd;
+  padding: 4px;
+  font-weight: normal;
+}
+
+.flat-list ul {
+  padding-left: 0;
+}
+
+.flat-list li {
+  display: inline;
+  list-style: none;
+}
+
+table.summary {
+  width: 100%;
+  margin: 10px 0;
+  border-spacing: 0;
+  border: 0;
+  border-collapse: collapse;
+}
+
+table.summary thead {
+  background: #999;
+  color: white;
+}
+
+table.summary td {
+  border: solid 1px #ddd;
+  padding: 4px 10px;
+}
+
+table.summary tbody td:nth-child(1) {
+  text-align: right;
+  white-space: nowrap;
+  min-width: 64px;
+  vertical-align: top;
+}
+
+table.summary tbody td:nth-child(2) {
+  width: 100%;
+  border-right: none;
+}
+
+table.summary tbody td:nth-child(3) {
+  white-space: nowrap;
+  border-left: none;
+  vertical-align: top;
+}
+
+table.summary td > div:nth-of-type(2) {
+  padding-top: 4px;
+  padding-left: 15px;
+}
+
+table.summary td p {
+  margin-bottom: 0;
+}
+
+.inherited-summary thead td {
+  padding-left: 2px;
+}
+
+.inherited-summary thead a {
+  color: white;
+}
+
+.inherited-summary .summary tbody {
+  display: none;
+}
+
+.inherited-summary .summary .toggle {
+  padding: 0 4px;
+  font-size: 12px;
+  cursor: pointer;
+}
+.inherited-summary .summary .toggle.closed:before {
+  content: "â–¶";
+}
+.inherited-summary .summary .toggle.opened:before {
+  content: "â–¼";
+}
+
+.member, .method {
+  margin-bottom: 24px;
+}
+
+table.params {
+  width: 100%;
+  margin: 10px 0;
+  border-spacing: 0;
+  border: 0;
+  border-collapse: collapse;
+}
+
+table.params thead {
+  background: #eee;
+  color: #aaa;
+}
+
+table.params td {
+  padding: 4px;
+  border: solid 1px #ddd;
+}
+
+table.params td p {
+  margin: 0;
+}
+
+.content .detail > * {
+  margin: 15px 0;
+}
+
+.content .detail > h3 {
+  color: black;
+}
+
+.content .detail > div {
+  margin-left: 10px;
+}
+
+.content .detail > .import-path {
+  margin-top: -8px;
+}
+
+.content .detail + .detail {
+  margin-top: 30px;
+}
+
+.content .detail .throw td:first-child {
+  padding-right: 10px;
+}
+
+.content .detail h4 + :not(pre) {
+  padding-left: 0;
+  margin-left: 10px;
+}
+
+.content .detail h4 + ul li {
+  list-style: none;
+}
+
+.return-param * {
+  display: inline;
+}
+
+.argument-params {
+  margin-bottom: 20px;
+}
+
+.return-type {
+  padding-right: 10px;
+  font-weight: normal;
+}
+
+.return-desc {
+  margin-left: 10px;
+  margin-top: 4px;
+}
+
+.return-desc p {
+  margin: 0;
+}
+
+.deprecated, .experimental, .instance-docs {
+  border-left: solid 5px orange;
+  padding-left: 4px;
+  margin: 4px 0;
+}
+
+tr.listen p,
+tr.throw p,
+tr.emit p{
+  margin-bottom: 10px;
+}
+
+.version, .since {
+  color: #aaa;
+}
+
+h3 .right-info {
+  position: absolute;
+  right: 4px;
+  font-size: 14px;
+}
+
+.version + .since:before {
+  content: '| ';
+}
+
+.see {
+  margin-top: 10px;
+}
+
+.see h4 {
+  margin: 4px 0;
+}
+
+.content .detail h4 + .example-doc {
+  margin: 6px 0;
+}
+
+.example-caption {
+  position: relative;
+  bottom: -1px;
+  display: inline-block;
+  padding: 4px;
+  font-style: italic;
+  background-color: #f5f5f5;
+  font-weight: bold;
+  border-radius: 3px;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+.example-caption + pre.source-code {
+  margin-top: 0;
+  border-top-left-radius: 0;
+}
+
+footer, .file-footer {
+  text-align: right;
+  font-style: italic;
+  font-weight: 100;
+  font-size: 13px;
+  margin-right: 50px;
+  margin-left: 270px;
+  border-top: 1px solid #ddd;
+  padding-top: 30px;
+  margin-top: 20px;
+  padding-bottom: 10px;
+}
+
+pre.source-code {
+  background: #f5f5f5;
+  padding: 4px;
+}
+
+pre.raw-source-code > code {
+  padding: 0;
+  margin: 0;
+}
+
+pre.source-code.line-number {
+  padding: 0;
+}
+
+pre.source-code ol {
+  background: #eee;
+  padding-left: 40px;
+}
+
+pre.source-code li {
+  background: white;
+  padding-left: 4px;
+  list-style: decimal;
+  margin: 0;
+}
+
+pre.source-code.line-number li.active {
+  background: rgb(255, 255, 150);
+}
+
+pre.source-code.line-number li.error-line {
+  background: #ffb8bf;
+}
+
+table.files-summary {
+  width: 100%;
+  margin: 10px 0;
+  border-spacing: 0;
+  border: 0;
+  border-collapse: collapse;
+  text-align: right;
+}
+
+table.files-summary tbody tr:hover {
+  background: #eee;
+}
+
+table.files-summary td:first-child,
+table.files-summary td:nth-of-type(2) {
+  text-align: left;
+}
+
+table.files-summary[data-use-coverage="false"] td.coverage {
+  display: none;
+}
+
+table.files-summary thead {
+  background: #999;
+  color: white;
+}
+
+table.files-summary td {
+  border: solid 1px #ddd;
+  padding: 4px 10px;
+  vertical-align: top;
+}
+
+table.files-summary td.identifiers > span {
+  display: block;
+  margin-top: 4px;
+}
+table.files-summary td.identifiers > span:first-child {
+  margin-top: 0;
+}
+
+table.files-summary .coverage-count {
+  font-size: 12px;
+  color: #aaa;
+  display: inline-block;
+  min-width: 40px;
+}
+
+.total-coverage-count {
+  position: relative;
+  bottom: 2px;
+  font-size: 12px;
+  color: #666;
+  font-weight: 500;
+  padding-left: 5px;
+}
+
+table.test-summary thead {
+  background: #999;
+  color: white;
+}
+
+table.test-summary thead .test-description {
+  width: 50%;
+}
+
+table.test-summary {
+  width: 100%;
+  margin: 10px 0;
+  border-spacing: 0;
+  border: 0;
+  border-collapse: collapse;
+}
+
+table.test-summary thead .test-count {
+  width: 3em;
+}
+
+table.test-summary tbody tr:hover {
+  background-color: #eee;
+}
+
+table.test-summary td {
+  border: solid 1px #ddd;
+  padding: 4px 10px;
+  vertical-align: top;
+}
+
+table.test-summary td p {
+  margin: 0;
+}
+
+table.test-summary tr.test-describe .toggle {
+  display: inline-block;
+  float: left;
+  margin-right: 4px;
+  cursor: pointer;
+}
+
+table.test-summary tr.test-describe .toggle.opened:before {
+  content: 'â–¼';
+}
+
+table.test-summary tr.test-describe .toggle.closed:before {
+  content: 'â–¶';
+}
+
+table.test-summary .test-target > span {
+  display: block;
+  margin-top: 4px;
+}
+table.test-summary .test-target > span:first-child {
+  margin-top: 0;
+}
+
+.inner-link-active {
+  background: rgb(255, 255, 150);
+}
+
+/* search box */
+.search-box {
+  position: absolute;
+  top: 10px;
+  right: 50px;
+  padding-right: 8px;
+  padding-bottom: 10px;
+  line-height: normal;
+  font-size: 12px;
+}
+
+.search-box img {
+  width: 20px;
+  vertical-align: top;
+}
+
+.search-input {
+  display: inline;
+  visibility: hidden;
+  width: 0;
+  padding: 2px;
+  height: 1.5em;
+  outline: none;
+  background: transparent;
+  border: 1px #0af;
+  border-style: none none solid none;
+  vertical-align: bottom;
+}
+
+.search-input-edge {
+  display: none;
+  width: 1px;
+  height: 5px;
+  background-color: #0af;
+  vertical-align: bottom;
+}
+
+.search-result {
+  position: absolute;
+  display: none;
+  height: 600px;
+  width: 100%;
+  padding: 0;
+  margin-top: 5px;
+  margin-left: 24px;
+  background: white;
+  box-shadow: 1px 1px 4px rgb(0,0,0);
+  white-space: nowrap;
+  overflow-y: scroll;
+}
+
+.search-result-import-path {
+  color: #aaa;
+  font-size: 12px;
+}
+
+.search-result li {
+  list-style: none;
+  padding: 2px 4px;
+}
+
+.search-result li a {
+  display: block;
+}
+
+.search-result li.selected {
+  background: #ddd;
+}
+
+.search-result li.search-separator {
+  background: rgb(37, 138, 175);
+  color: white;
+}
+
+.search-box.active .search-input {
+  visibility: visible;
+  transition: width 0.2s ease-out;
+  width: 300px;
+}
+
+.search-box.active .search-input-edge {
+  display: inline-block;
+}
+
+/* coverage badge */
+.esdoc-coverage {
+  display: inline-block;
+  height: 20px;
+  vertical-align: top;
+}
+
+h1 .esdoc-coverage {
+  position: relative;
+  top: -4px;
+}
+
+.esdoc-coverage-wrap {
+  color: white;
+  font-size: 12px;
+  font-weight: 500;
+}
+
+.esdoc-coverage-label {
+  padding: 3px 4px 3px 6px;
+  background: linear-gradient(to bottom, #5e5e5e 0%,#4c4c4c 100%);
+  border-radius: 4px 0 0 4px;
+  display: inline-block;
+  height: 20px;
+  box-sizing: border-box;
+  line-height: 14px;
+}
+
+.esdoc-coverage-ratio {
+  padding: 3px 6px 3px 4px;
+  border-radius: 0 4px 4px 0;
+  display: inline-block;
+  height: 20px;
+  box-sizing: border-box;
+  line-height: 14px;
+}
+
+.esdoc-coverage-low {
+  background: linear-gradient(to bottom, #db654f 0%,#c9533d 100%);
+}
+
+.esdoc-coverage-middle {
+  background: linear-gradient(to bottom, #dab226 0%,#c9a179 100%);
+}
+
+.esdoc-coverage-high {
+  background: linear-gradient(to bottom, #4fc921 0%,#3eb810 100%);
+}
+
+.github-markdown .manual-toc {
+  padding-left: 0;
+}
+
+/** manual */
+
+.manual-root .navigation {
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diff --git a/docs/dump.json b/docs/dump.json
new file mode 100644
index 0000000..4089451
--- /dev/null
+++ b/docs/dump.json
@@ -0,0 +1,1582 @@
+[
+  {
+    "__docId__": 0,
+    "kind": "file",
+    "static": true,
+    "variation": null,
+    "name": "src/AssertStream.js",
+    "memberof": null,
+    "longname": "src/AssertStream.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": "import { Writable } from \"stream\";\nimport Expected from \"./Expected\";\nimport defaults from \"set-default-value\";\n\n/**\n * this stream is used to be piped into.\n * it ends if the expected value was received.\n *\n * @author Marco Sliwa \n */\nexport default class AssertStream extends Writable {\n\n    /**\n     * constructor for this stream\n     *\n     * @constructor\n     * @param       {*}      expected value\n     * @param       {object} options  configuring the behaviour of AssertSream\n     */\n    constructor(expected, options) {\n        super({\n            objectMode: true\n        });\n\n        this.expected = Expected.of(expected, options);\n        this.tapper   = defaults(options.tapper).to(() => {});\n    }\n\n    /**\n     * implementation of the write function. transforms data,\n     * so that it can be compared, emits end on match, otherwise\n     * continues.\n     *\n     * @param  {string|object} chunk of data\n     * @param  {string}        enc   of data\n     * @param  {function}      cb    when operation finished\n     * @return {*}\n     */\n    _write(chunk, enc, cb) {\n        const data   = Buffer.isBuffer(chunk) ? chunk.toString() : chunk;\n        const result = this.expected.match(data);\n\n        this.tapper(data, result);\n\n        return result === -1 ? this.emit(\"error\", this.expected.getError()) : setTimeout(() => result === 1 ? this.emit(\"done\") : cb(), 1);\n    }\n}\n"
+  },
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+    "importStyle": "AssertStream",
+    "description": "this stream is used to be piped into.\nit ends if the expected value was received.",
+    "lineNumber": 11,
+    "unknown": [
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+    "memberof": null,
+    "longname": "src/Expected.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": "import isArray from \"lodash.isarray\";\nimport isEqual from \"lodash.isequal\";\nimport isFunction from \"lodash.isfunction\";\nimport isNil from \"lodash.isnil\";\nimport isMatch from \"lodash.ismatch\";\nimport { expect } from \"chai\";\n\nexport default class Expected {\n\n    /**\n     * Creates an ExpectationClass, that checks,\n     * whether an incoming value matches the\n     * expectations\n     *\n     * @param  {*}        args needed for creation\n     * @return {Expected}\n     */\n    static of(...args) {\n        return new Expected(...args);\n    }\n\n    /**\n     * Constructor of Expected\n     *\n     * @constructor\n     * @param       {*}      expected   compared with input\n     * @param       {object} options    for custom matcning behaviour\n     */\n    constructor(expected, { filter, eventually, strict }) {\n        this.messages   = [];\n        this.expection  = isArray(expected) ? expected.slice(0) : expected;\n        this.expected   = expected;\n        this.matcher    = isNil(strict) ? isMatch : isEqual;\n        this.onMisMatch = isNil(eventually) ? -1 : 0;\n        this.filter     = isNil(filter) ? () => true : filter;\n    }\n\n    /**\n     * Checks if next value in list matches the input\n     *\n     * @param  {*}      value to be compared\n     * @return {Number}\n     */\n    includes(value) {\n        const expected = this.expected.shift();\n        const matches  = this.matcher(value, expected);\n        const onMatch  = this.expected.length === 0 ? 1 : 0;\n\n        this.expected = matches ? this.expected : [expected].concat(this.expected);\n\n        return matches ? onMatch : this.onMisMatch;\n    }\n\n    /**\n     * Compares input with expectations\n     *\n     * @param  {*}      value to be compared\n     * @return {Number}\n     */\n    match(value) { // eslint-disable-line\n        this.messages.push(value);\n\n        if(!this.filter(value))       return 0;\n        if(isFunction(this.expected)) return this.expected(value);\n        if(isArray(this.expected))    return this.includes(value);\n\n        return this.matcher(value, this.expected) ? 1 : this.onMisMatch;\n    }\n\n    /**\n     * produces the error containing the expected vs actual results\n     *\n     * @return {Error}\n     */\n    getError() {\n        if(isFunction(this.expection)) return new Error(`the messages ${JSON.stringify(this.messages)} do not match your expectations.`);\n\n        try {\n            expect(this.messages).to.eql(this.expection);\n\n            return null;\n        } catch(e) {\n            return e;\n        }\n    }\n}\n"
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+    "__docId__": 7,
+    "kind": "class",
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+    "name": "Expected",
+    "memberof": "src/Expected.js",
+    "longname": "src/Expected.js~Expected",
+    "access": null,
+    "export": true,
+    "importPath": "expect-stream/src/Expected.js",
+    "importStyle": "Expected",
+    "description": null,
+    "lineNumber": 8,
+    "undocument": true,
+    "interface": false
+  },
+  {
+    "__docId__": 8,
+    "kind": "method",
+    "static": true,
+    "variation": null,
+    "name": "of",
+    "memberof": "src/Expected.js~Expected",
+    "longname": "src/Expected.js~Expected.of",
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+    "description": "Creates an ExpectationClass, that checks,\nwhether an incoming value matches the\nexpectations",
+    "lineNumber": 18,
+    "params": [
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+        "types": [
+          "*"
+        ],
+        "spread": false,
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+        "name": "args",
+        "description": "needed for creation"
+      }
+    ],
+    "return": {
+      "nullable": null,
+      "types": [
+        "Expected"
+      ],
+      "spread": false,
+      "description": ""
+    },
+    "generator": false
+  },
+  {
+    "__docId__": 9,
+    "kind": "constructor",
+    "static": false,
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+      ]
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+    "memberof": null,
+    "longname": "src/StreamHelper.js",
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+    "content": "import isFunction from \"lodash.isfunction\";\nimport assert from \"assert\";\nimport AssertStream from \"./AssertStream\";\nimport defaults from \"set-default-value\";\n\n/**\n * this function adds the new methods to the Assertion\n * chain, where they have the following responsibilities:\n *\n * produce: sets the expected value of the stream\n * on:      gives a set of input values, if testing\n *          a transformer\n * notify:  cb for error and done notifications\n *\n * @param {object} chai  to be extended\n */\nconst StreamHelper = function({ Assertion }) {\n    Assertion.addChainableMethod(\"exactly\", function(expected) {\n        this.expected       = defaults(expected).to(this.expected);\n        this.strictEquality = true;\n    }, function() {\n        this.strictEquality = true;\n    });\n\n    Assertion.addChainableMethod(\"produce\", function(expected) {\n        this.expected = expected;\n        this.args     = [];\n    }, function() {\n        this.args = [];\n    });\n\n    Assertion.addProperty(\"eventually\", function() {\n        this.checkAllResults = true;\n    });\n\n    Assertion.addMethod(\"filter\", function(filter) {\n        this.filterMethod = filter;\n    });\n\n    Assertion.addMethod(\"notify\", function(done) {\n        const sink = new AssertStream(this.expected, {\n            filter:     this.filterMethod,\n            tapper:     this.tapper,\n            eventually: this.checkAllResults,\n            strict:     this.strictEquality\n        });\n\n        this._obj.pipe(sink)     // eslint-disable-line\n            .on(\"done\", done)\n            .on(\"error\", done);\n\n        this.args.forEach(arg => this._obj.write(arg)); // eslint-disable-line\n    });\n\n    Assertion.addMethod(\"tap\", function(tapper) {\n        this.tapper = tapper;\n    });\n\n    Assertion.addMethod(\"on\", function(...args) {\n        const { write } = this._obj; // eslint-disable-line\n\n        assert(\n            (args.length > 0 && isFunction(write)) ||\n            (args.length === 0 && !isFunction(write)\n        ), \"You can only use arguments with a writable stream.\");\n\n        this.args = args;\n    });\n};\n\nexport default StreamHelper;\n"
+  },
+  {
+    "__docId__": 21,
+    "kind": "function",
+    "static": true,
+    "variation": null,
+    "name": "StreamHelper",
+    "memberof": "src/StreamHelper.js",
+    "longname": "src/StreamHelper.js~StreamHelper",
+    "access": null,
+    "export": true,
+    "importPath": "expect-stream/src/StreamHelper.js",
+    "importStyle": "StreamHelper",
+    "description": "this function adds the new methods to the Assertion\nchain, where they have the following responsibilities:\n\nproduce: sets the expected value of the stream\non:      gives a set of input values, if testing\n         a transformer\nnotify:  cb for error and done notifications",
+    "lineNumber": 17,
+    "params": [
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+        "types": [
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+        "spread": false,
+        "optional": false,
+        "name": "chai",
+        "description": "to be extended"
+      }
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+  },
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+    "name": "src/__tests__/AssertStreamTest.js",
+    "memberof": null,
+    "longname": "src/__tests__/AssertStreamTest.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": "import AssertStream from \"../AssertStream\";\nimport sinon from \"sinon\";\nimport { expect } from \"chai\";\n\ndescribe(\"AssertStreamTest\", function() {\n    it(\"writes to an assert stream with a value expectation, until it ends with the expected value.\", function(done) {\n        const tapSpy = sinon.spy();\n        const onEnd  = sinon.spy();\n        const stream = new AssertStream({\n            test: \"test\"\n        }, {\n            tapper:     tapSpy,\n            eventually: true\n        });\n\n        stream.on(\"done\", onEnd);\n\n        stream.write(\"bla\");\n        stream.write({});\n        stream.write({\n            test: \"test\"\n        });\n\n        setTimeout(function() {\n            expect(onEnd.callCount).to.equal(1);\n            expect(tapSpy.firstCall.args.shift()).to.equal(\"bla\");\n            expect(tapSpy.firstCall.args.shift()).to.equal(0);\n            expect(tapSpy.secondCall.args.shift()).to.eql({});\n            expect(tapSpy.secondCall.args.shift()).to.equal(0);\n            expect(tapSpy.thirdCall.args.shift()).to.eql({\n                test: \"test\"\n            });\n            expect(tapSpy.thirdCall.args.shift()).to.equal(1);\n            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n            done();\n        }, 20);\n    });\n\n    it(\"writes to an assert stream with a function expectation, until it ends with the expected value.\", function(done) {\n        const onEnd  = sinon.spy();\n        const stream = new AssertStream(x => x.test === \"test\" ? 1 : 0, {});\n\n        stream.on(\"done\", onEnd);\n\n        stream.write(\"bla\");\n        stream.write({});\n        stream.write({\n            test: \"test\"\n        });\n\n        setTimeout(function() {\n            expect(onEnd.callCount).to.equal(1);\n            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n            done();\n        }, 20);\n    });\n\n    it(\"writes to an assert stream with a function expectation, until it ends with the expected value.\", function(done) {\n        const tapSpy = sinon.spy();\n        const stream = new AssertStream(x => x.test === \"test\" ? 1 : -1, {\n            tapper: tapSpy\n        });\n\n        stream.on(\"error\", e => {\n            expect(e.message).to.equal(\"the messages [\\\"bla\\\"] do not match your expectations.\");\n            expect(tapSpy.firstCall.args.shift()).to.equal(\"bla\");\n            expect(tapSpy.firstCall.args.shift()).to.equal(-1);\n            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n            done();\n        });\n\n        stream.write(\"bla\");\n    });\n\n    it(\"writes to an assert stream, that expects multiple messages\", function(done) {\n        const tapSpy = sinon.spy();\n        const stream = new AssertStream([\"test1\", \"test2\", \"test3\"], {\n            tapper: tapSpy\n        });\n        const onEnd = function() {\n            expect(tapSpy.firstCall.calledWith(\"test1\", 0));\n            expect(tapSpy.secondCall.calledWith(\"test2\", 0));\n            expect(tapSpy.thirdCall.calledWith(\"test3\", 1));\n            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n            done();\n        };\n\n        stream.on(\"done\", onEnd);\n        stream.write(\"test1\");\n        stream.write(\"test2\");\n        stream.write(\"test3\");\n    });\n\n    it(\"writes to an assert stream, filtering some messages\", function(done) {\n        const tapSpy = sinon.spy();\n        const stream = new AssertStream([\"test1\", \"test2\"], {\n            tapper: tapSpy,\n            filter: value => value !== \"test4\"\n        });\n\n        const onEnd = function() {\n            expect(tapSpy.firstCall.calledWith(\"test4\", 0));\n            expect(tapSpy.secondCall.calledWith(\"test1\", 0));\n            expect(tapSpy.thirdCall.calledWith(\"test2\", 1));\n            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line\n            done();\n        };\n\n        stream.on(\"done\", onEnd);\n        stream.write(\"test4\");\n        stream.write(\"test1\");\n        stream.write(\"test2\");\n    });\n});\n"
+  },
+  {
+    "__docId__": 23,
+    "kind": "file",
+    "static": true,
+    "variation": null,
+    "name": "src/__tests__/ExpectStreamTest.js",
+    "memberof": null,
+    "longname": "src/__tests__/ExpectStreamTest.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": "import isArray from \"lodash.isarray\";\nimport { expect } from \"../index\";\nimport { Readable, Transform } from \"stream\";\nimport assert from \"assert\";\nimport sinon from \"sinon\";\n\nclass ReadStream extends Readable {\n    constructor(messages = \"lala\") {\n        super({ objectMode: true });\n\n        this.messages = messages;\n    }\n\n    _read() {\n        this.push(\n            isArray(this.messages) ?\n            this.messages.shift() :\n            this.messages\n        );\n    }\n}\n\nclass TransformStream extends Transform {\n    _transform(chunk, enc, cb) {\n        this.push(chunk);\n        setTimeout(cb, 20);\n    }\n}\n\n\nclass ReadObjectStream extends Readable {\n    constructor() {\n        super({\n            objectMode: true\n        });\n    }\n\n    _read() {\n        this.push({\n            test: {\n                test: []\n            }\n        });\n    }\n}\n\nclass TransformObjStream extends Transform {\n    constructor() {\n        super({\n            objectMode: true\n        });\n    }\n\n    _transform(obj, enc, cb) {\n        this.push(obj);\n        setTimeout(cb, 20);\n    }\n}\n\n\ndescribe(\"ExpectStreamTest\", function() { // eslint-disable-line\n    it(\"uses the produce assertion with a readstream, matching exactly\", function(done) {\n        expect(new ReadStream([\"lala1\", \"lala2\", \"lala3\"]))\n            .to.produce([\"lala1\", \"lala2\", \"lala3\"])\n            .notify(done);\n    });\n\n    it(\"uses the produce assertion with a readstream, matching on strict equality\", function(done) {\n        expect(new ReadStream({ test: \"lala\" }))\n            .to.exactly.produce({ test: \"lala\" })\n            .notify(done);\n    });\n\n    it(\"uses the produce assertion with a readstream, matching on strict equality - part2\", function(done) {\n        expect(new ReadStream({ test: \"lala\" }))\n            .to.produce.exactly({ test: \"lala\" })\n            .notify(done);\n    });\n\n    it(\"uses the produce assertion with a readstream, containing at least key test\", function(done) {\n        expect(new ReadStream({ test: \"lala\", another: \"lulu\" }))\n            .to.produce({ test: \"lala\" })\n            .notify(done);\n    });\n\n    it(\"uses the produce assertion with a readstream, containing at least key test\", function(done) {\n        expect(new ReadStream({ test: \"lala\" }))\n            .to.produce({ test: \"lala\", another: \"lulu\" })\n            .notify(e => e ? done() : done(new Error(\"Shouldn't end up here.\")));\n    });\n\n    it(\"uses the produce assertion with a readstream, matching exactly and fails\", function(done) {\n        const stream = new ReadStream([\"lala1\", \"lala\", \"lala3\"]);\n\n        expect(stream)\n            .to.produce([\"lala1\", \"lala2\", \"lala3\"])\n            .notify(e => {\n                if(!e) return done(new Error(\"Should fail\"));\n\n                try {\n                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line\n\n                    return done();\n                } catch(e2) {\n                    return done(e2);\n                }\n            });\n    });\n\n    it(\"uses the produce assertion with a readstream, matching not exactly\", function(done) {\n        const stream = new ReadStream([\"lala1\", \"lala\", \"lala2\", \"lala3\"]);\n\n        expect(stream)\n            .to.eventually.produce([\"lala1\", \"lala2\", \"lala3\"])\n            .notify(e => {\n                if(e) return done(e);\n\n                try {\n                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line\n\n                    return done();\n                } catch(e2) {\n                    return done(e2);\n                }\n            });\n    });\n\n    it(\"uses the produce assertion with a readstream, matching exactly, but filtering some messages\", function(done) {\n        expect(new ReadStream([\"lala1\", \"lala\", \"lala2\", \"lala3\"]))\n            .filter(value => value !== \"lala\")\n            .to.produce([\"lala1\", \"lala2\", \"lala3\"])\n            .notify(done);\n    });\n\n    it(\"uses the eventually produce assertion with a readstream, producing buffers.\", function(done) {\n        expect(new ReadStream()).to.eventually.produce(\"lala\").notify(done);\n    });\n\n    it(\"uses the produce assertion with a readstream, producing objects.\", function(done) {\n        expect(new ReadObjectStream()).to.eventually.produce({\n            test: {\n                test: []\n            }\n        }).notify(done);\n    });\n\n    it(\"fails the produce assertion on the readstream with buffers.\", function(done) {\n        expect(new ReadStream()).to.eventually.produce(\"lulu\").notify(() => done(new Error(\"should not finish\")));\n        setTimeout(() => done(), 20);\n    });\n\n    it(\"fails the produce assertion on the readstream with objects.\", function(done) {\n        expect(new ReadStream()).to.eventually.produce({\n            test: \"test2\"\n        }).notify(() => done(new Error(\"should not finish\")));\n\n        setTimeout(() => done(), 20);\n    });\n\n    it(\"uses the produce assertion with a transformstream, producing buffers.\", function(done) {\n        expect(new TransformStream()).to.eventually.produce(\"huhu\").on(\"lala\", \"test\", \"huhu\").notify(done);\n    });\n\n    it(\"uses the produce assertion with a transformstream, producing objects.\", function(done) {\n        expect(new TransformObjStream()).to.eventually.produce({\n            test: {\n                test: []\n            }\n        }).on(\"lala\", \"test\", \"huhu\", {\n            test: {\n                test: []\n            }\n        }).notify(done);\n    });\n\n    it(\"fails the produce assertion with a transformstream, producing buffers.\", function(done) {\n        expect(new TransformStream())\n            .to.eventually.produce(\"huhu\")\n            .on(\"lala\", \"test\")\n            .notify(() => done(new Error(\"should not finish\")));\n\n        setTimeout(() => done(), 70);\n    });\n\n    it(\"fails the produce assertion with a transformstream, producing objects.\", function(done) {\n        expect(new TransformObjStream())\n            .to.eventually.produce({\n                test: {\n                    test: []\n                }\n            })\n            .on(\"lala\", \"test\", {\n                test: {\n                    test: 1\n                }\n            })\n            .notify(() => done(new Error(\"should not finish\")));\n\n        setTimeout(() => done(), 70);\n    });\n\n    it(\"tries to test a readstream with input\", function(done) {\n        try {\n            expect(new ReadStream()).to.eventually.produce(\"test\").on(\"bla\").notify(done);\n        } catch(e) {\n            assert.equal(e.message, \"You can only use arguments with a writable stream.\");\n            done();\n        }\n    });\n\n    it(\"tries to test a transformstream without input\", function(done) {\n        try {\n            expect(new TransformStream()).to.eventually.produce(\"test\").on().notify(done);\n        } catch(e) {\n            assert.equal(e.message, \"You can only use arguments with a writable stream.\");\n            done();\n        }\n    });\n\n    it(\"uses the produce assertion with a transformstream, producing buffers.\", function(done) {\n        expect(new TransformStream())\n            .to.produce(x => x === \"huhu\" ? 1 : -1)\n            .on(\"lala\", \"test\", \"huhu\")\n            .notify(e => e instanceof Error ? done() : done(new Error(\"should throw\")));\n    });\n\n    it(\"taps a stream under test.\", function(done) {\n        const spy = sinon.spy();\n\n        expect(new TransformStream())\n            .to.eventually.produce(\"huhu\")\n            .on(\"lala\", \"test\", \"huhu\")\n            .tap(spy)\n            .notify(() => {\n                try {\n                    expect(spy.callCount).to.equal(3);\n                    expect(spy.firstCall.args.shift()).to.equal(\"lala\");\n                    expect(spy.firstCall.args.shift()).to.equal(0);\n                    expect(spy.secondCall.args.shift()).to.equal(\"test\");\n                    expect(spy.secondCall.args.shift()).to.equal(0);\n                    expect(spy.thirdCall.args.shift()).to.equal(\"huhu\");\n                    expect(spy.thirdCall.args.shift()).to.equal(1);\n                    done();\n                } catch(e) {\n                    done(e);\n                }\n            });\n    });\n});\n"
+  },
+  {
+    "__docId__": 24,
+    "kind": "class",
+    "static": true,
+    "variation": null,
+    "name": "ReadStream",
+    "memberof": "src/__tests__/ExpectStreamTest.js",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadStream",
+    "access": null,
+    "export": false,
+    "importPath": "expect-stream/src/__tests__/ExpectStreamTest.js",
+    "importStyle": null,
+    "description": null,
+    "lineNumber": 7,
+    "undocument": true,
+    "interface": false,
+    "extends": [
+      "stream~Readable"
+    ]
+  },
+  {
+    "__docId__": 25,
+    "kind": "constructor",
+    "static": false,
+    "variation": null,
+    "name": "constructor",
+    "memberof": "src/__tests__/ExpectStreamTest.js~ReadStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadStream#constructor",
+    "access": null,
+    "description": null,
+    "lineNumber": 8,
+    "undocument": true,
+    "params": [
+      {
+        "name": "messages",
+        "optional": true,
+        "types": [
+          "string"
+        ],
+        "defaultRaw": "lala",
+        "defaultValue": "lala"
+      }
+    ],
+    "generator": false
+  },
+  {
+    "__docId__": 26,
+    "kind": "member",
+    "static": false,
+    "variation": null,
+    "name": "messages",
+    "memberof": "src/__tests__/ExpectStreamTest.js~ReadStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadStream#messages",
+    "access": null,
+    "description": null,
+    "lineNumber": 11,
+    "undocument": true,
+    "type": {
+      "types": [
+        "*"
+      ]
+    }
+  },
+  {
+    "__docId__": 27,
+    "kind": "method",
+    "static": false,
+    "variation": null,
+    "name": "_read",
+    "memberof": "src/__tests__/ExpectStreamTest.js~ReadStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadStream#_read",
+    "access": null,
+    "description": null,
+    "lineNumber": 14,
+    "undocument": true,
+    "params": [],
+    "generator": false
+  },
+  {
+    "__docId__": 28,
+    "kind": "class",
+    "static": true,
+    "variation": null,
+    "name": "TransformStream",
+    "memberof": "src/__tests__/ExpectStreamTest.js",
+    "longname": "src/__tests__/ExpectStreamTest.js~TransformStream",
+    "access": null,
+    "export": false,
+    "importPath": "expect-stream/src/__tests__/ExpectStreamTest.js",
+    "importStyle": null,
+    "description": null,
+    "lineNumber": 23,
+    "undocument": true,
+    "interface": false,
+    "extends": [
+      "stream~Transform"
+    ]
+  },
+  {
+    "__docId__": 29,
+    "kind": "method",
+    "static": false,
+    "variation": null,
+    "name": "_transform",
+    "memberof": "src/__tests__/ExpectStreamTest.js~TransformStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~TransformStream#_transform",
+    "access": null,
+    "description": null,
+    "lineNumber": 24,
+    "undocument": true,
+    "params": [
+      {
+        "name": "chunk",
+        "types": [
+          "*"
+        ]
+      },
+      {
+        "name": "enc",
+        "types": [
+          "*"
+        ]
+      },
+      {
+        "name": "cb",
+        "types": [
+          "*"
+        ]
+      }
+    ],
+    "generator": false
+  },
+  {
+    "__docId__": 30,
+    "kind": "class",
+    "static": true,
+    "variation": null,
+    "name": "ReadObjectStream",
+    "memberof": "src/__tests__/ExpectStreamTest.js",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadObjectStream",
+    "access": null,
+    "export": false,
+    "importPath": "expect-stream/src/__tests__/ExpectStreamTest.js",
+    "importStyle": null,
+    "description": null,
+    "lineNumber": 31,
+    "undocument": true,
+    "interface": false,
+    "extends": [
+      "stream~Readable"
+    ]
+  },
+  {
+    "__docId__": 31,
+    "kind": "constructor",
+    "static": false,
+    "variation": null,
+    "name": "constructor",
+    "memberof": "src/__tests__/ExpectStreamTest.js~ReadObjectStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadObjectStream#constructor",
+    "access": null,
+    "description": null,
+    "lineNumber": 32,
+    "undocument": true,
+    "params": [],
+    "generator": false
+  },
+  {
+    "__docId__": 32,
+    "kind": "method",
+    "static": false,
+    "variation": null,
+    "name": "_read",
+    "memberof": "src/__tests__/ExpectStreamTest.js~ReadObjectStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~ReadObjectStream#_read",
+    "access": null,
+    "description": null,
+    "lineNumber": 38,
+    "undocument": true,
+    "params": [],
+    "generator": false
+  },
+  {
+    "__docId__": 33,
+    "kind": "class",
+    "static": true,
+    "variation": null,
+    "name": "TransformObjStream",
+    "memberof": "src/__tests__/ExpectStreamTest.js",
+    "longname": "src/__tests__/ExpectStreamTest.js~TransformObjStream",
+    "access": null,
+    "export": false,
+    "importPath": "expect-stream/src/__tests__/ExpectStreamTest.js",
+    "importStyle": null,
+    "description": null,
+    "lineNumber": 47,
+    "undocument": true,
+    "interface": false,
+    "extends": [
+      "stream~Transform"
+    ]
+  },
+  {
+    "__docId__": 34,
+    "kind": "constructor",
+    "static": false,
+    "variation": null,
+    "name": "constructor",
+    "memberof": "src/__tests__/ExpectStreamTest.js~TransformObjStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~TransformObjStream#constructor",
+    "access": null,
+    "description": null,
+    "lineNumber": 48,
+    "undocument": true,
+    "params": [],
+    "generator": false
+  },
+  {
+    "__docId__": 35,
+    "kind": "method",
+    "static": false,
+    "variation": null,
+    "name": "_transform",
+    "memberof": "src/__tests__/ExpectStreamTest.js~TransformObjStream",
+    "longname": "src/__tests__/ExpectStreamTest.js~TransformObjStream#_transform",
+    "access": null,
+    "description": null,
+    "lineNumber": 54,
+    "undocument": true,
+    "params": [
+      {
+        "name": "obj",
+        "types": [
+          "*"
+        ]
+      },
+      {
+        "name": "enc",
+        "types": [
+          "*"
+        ]
+      },
+      {
+        "name": "cb",
+        "types": [
+          "*"
+        ]
+      }
+    ],
+    "generator": false
+  },
+  {
+    "__docId__": 36,
+    "kind": "file",
+    "static": true,
+    "variation": null,
+    "name": "src/__tests__/ExpectedTest.js",
+    "memberof": null,
+    "longname": "src/__tests__/ExpectedTest.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": "import Expected from \"../Expected\";\nimport { expect } from \"chai\";\n\ndescribe(\"Expected\", function() {\n    it(\"compares a single value with the expected one\", function() {\n        const expected = Expected.of(\"Test\", {});\n\n        expect(expected.match(\"Test\")).to.equal(1);\n        expect(expected.match(\"NotTest\")).to.equal(-1);\n    });\n\n    it(\"compares a single value with the expected one, skipping all not matching ones\", function() {\n        const expected = Expected.of(\"Test\", {\n            eventually: true\n        });\n\n        expect(expected.match(\"Test\")).to.equal(1);\n        expect(expected.match(\"NotTest\")).to.equal(0);\n    });\n\n    it(\"compares a list of values with another list of values\", function() {\n        const expected = Expected.of([\"Test1\", \"Test2\", \"Test3\"], {});\n\n        expect(expected.match(\"Test1\")).to.equal(0);\n        expect(expected.match(\"Test2\")).to.equal(0);\n        expect(expected.match(\"Test3\")).to.equal(1);\n    });\n\n    it(\"compares a list of values with another list, skipping all non-matches\", function() {\n        const expected = Expected.of([\"Test3\", \"Test4\", \"Test5\"], {\n            eventually: true\n        });\n\n        expect(expected.match(\"Test3\")).to.equal(0);\n        expect(expected.match(\"Test4\")).to.equal(0);\n        expect(expected.match(\"Test4\")).to.equal(0);\n        expect(expected.match(\"Test5\")).to.equal(1);\n    });\n\n    it(\"compares a list of values with a filter\", function() {\n        const expected = Expected.of([\"Test3\", \"Test4\", \"Test5\"], {\n            filter: value => value !== \"Test2\"\n        });\n\n        expect(expected.match(\"Test3\")).to.equal(0);\n        expect(expected.match(\"Test2\")).to.equal(0);\n        expect(expected.match(\"Test4\")).to.equal(0);\n        expect(expected.match(\"Test5\")).to.equal(1);\n    });\n\n    it(\"compares a single of values with a filter\", function() {\n        const expected = Expected.of(\"Test3\", {\n            filter: value => value !== \"Test2\"\n        });\n\n        expect(expected.match(\"Test2\")).to.equal(0);\n        expect(expected.match(\"Test3\")).to.equal(1);\n    });\n\n    it(\"compares with a function\", function() {\n        const expected = Expected.of(value => value === \"Test3\" ? 1 : -1, {\n            filter: value => value !== \"Test2\"\n        });\n\n        expect(expected.match(\"Test1\")).to.equal(-1);\n        expect(expected.match(\"Test2\")).to.equal(0);\n        expect(expected.match(\"Test3\")).to.equal(1);\n    });\n});\n"
+  },
+  {
+    "__docId__": 37,
+    "kind": "file",
+    "static": true,
+    "variation": null,
+    "name": "src/examples/test.js",
+    "memberof": null,
+    "longname": "src/examples/test.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": ""
+  },
+  {
+    "__docId__": 38,
+    "kind": "file",
+    "static": true,
+    "variation": null,
+    "name": "src/index.js",
+    "memberof": null,
+    "longname": "src/index.js",
+    "access": null,
+    "description": null,
+    "lineNumber": 1,
+    "content": "import StreamHelper from \"./StreamHelper\";\n\nconst chai = require(\"chai\");\n\nchai.use(StreamHelper);\n\nmodule.exports = chai;\n"
+  },
+  {
+    "__docId__": 39,
+    "kind": "variable",
+    "static": true,
+    "variation": null,
+    "name": "chai",
+    "memberof": "src/index.js",
+    "longname": "src/index.js~chai",
+    "access": null,
+    "export": false,
+    "importPath": "expect-stream/src/index.js",
+    "importStyle": null,
+    "description": null,
+    "lineNumber": 3,
+    "undocument": true,
+    "type": {
+      "types": [
+        "*"
+      ]
+    }
+  },
+  {
+    "__docId__": 41,
+    "kind": "external",
+    "static": true,
+    "variation": null,
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+    "longname": "BuiltinExternal/WebAPIExternal.js~DocumentFragment",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  },
+  {
+    "__docId__": 91,
+    "kind": "external",
+    "static": true,
+    "variation": null,
+    "name": "Element",
+    "externalLink": "https://developer.mozilla.org/en-US/docs/Web/API/Element",
+    "memberof": "BuiltinExternal/WebAPIExternal.js",
+    "longname": "BuiltinExternal/WebAPIExternal.js~Element",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  },
+  {
+    "__docId__": 92,
+    "kind": "external",
+    "static": true,
+    "variation": null,
+    "name": "Event",
+    "externalLink": "https://developer.mozilla.org/en-US/docs/Web/API/Event",
+    "memberof": "BuiltinExternal/WebAPIExternal.js",
+    "longname": "BuiltinExternal/WebAPIExternal.js~Event",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  },
+  {
+    "__docId__": 93,
+    "kind": "external",
+    "static": true,
+    "variation": null,
+    "name": "Node",
+    "externalLink": "https://developer.mozilla.org/en-US/docs/Web/API/Node",
+    "memberof": "BuiltinExternal/WebAPIExternal.js",
+    "longname": "BuiltinExternal/WebAPIExternal.js~Node",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  },
+  {
+    "__docId__": 94,
+    "kind": "external",
+    "static": true,
+    "variation": null,
+    "name": "NodeList",
+    "externalLink": "https://developer.mozilla.org/en-US/docs/Web/API/NodeList",
+    "memberof": "BuiltinExternal/WebAPIExternal.js",
+    "longname": "BuiltinExternal/WebAPIExternal.js~NodeList",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  },
+  {
+    "__docId__": 95,
+    "kind": "external",
+    "static": true,
+    "variation": null,
+    "name": "XMLHttpRequest",
+    "externalLink": "https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest",
+    "memberof": "BuiltinExternal/WebAPIExternal.js",
+    "longname": "BuiltinExternal/WebAPIExternal.js~XMLHttpRequest",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  },
+  {
+    "__docId__": 96,
+    "kind": "external",
+    "static": true,
+    "variation": null,
+    "name": "AudioContext",
+    "externalLink": "https://developer.mozilla.org/en/docs/Web/API/AudioContext",
+    "memberof": "BuiltinExternal/WebAPIExternal.js",
+    "longname": "BuiltinExternal/WebAPIExternal.js~AudioContext",
+    "access": null,
+    "description": "",
+    "builtinExternal": true
+  }
+]
\ No newline at end of file
diff --git a/docs/file/src/AssertStream.js.html b/docs/file/src/AssertStream.js.html
new file mode 100644
index 0000000..be0a994
--- /dev/null
+++ b/docs/file/src/AssertStream.js.html
@@ -0,0 +1,106 @@
+
+
+
+  
+  
+  src/AssertStream.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                  
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                  
+  
+    
+    
+  
+    
                                    
+  
                                    
+
                                    
+
+
+
+
                                    src/AssertStream.js
                                    
+
                                    import { Writable } from "stream";
+import Expected from "./Expected";
+import defaults from "set-default-value";
+
+/**
+ * this stream is used to be piped into.
+ * it ends if the expected value was received.
+ *
+ * @author Marco Sliwa <marco@circle.ai>
+ */
+export default class AssertStream extends Writable {
+
+    /**
+     * constructor for this stream
+     *
+     * @constructor
+     * @param       {*}      expected value
+     * @param       {object} options  configuring the behaviour of AssertSream
+     */
+    constructor(expected, options) {
+        super({
+            objectMode: true
+        });
+
+        this.expected = Expected.of(expected, options);
+        this.tapper   = defaults(options.tapper).to(() => {});
+    }
+
+    /**
+     * implementation of the write function. transforms data,
+     * so that it can be compared, emits end on match, otherwise
+     * continues.
+     *
+     * @param  {string|object} chunk of data
+     * @param  {string}        enc   of data
+     * @param  {function}      cb    when operation finished
+     * @return {*}
+     */
+    _write(chunk, enc, cb) {
+        const data   = Buffer.isBuffer(chunk) ? chunk.toString() : chunk;
+        const result = this.expected.match(data);
+
+        this.tapper(data, result);
+
+        return result === -1 ? this.emit("error", this.expected.getError()) : setTimeout(() => result === 1 ? this.emit("done") : cb(), 1);
+    }
+}
+
                                    
+
+
                                    
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/Expected.js.html b/docs/file/src/Expected.js.html
new file mode 100644
index 0000000..5aadf3f
--- /dev/null
+++ b/docs/file/src/Expected.js.html
@@ -0,0 +1,145 @@
+
+
+
+  
+  
+  src/Expected.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                    
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                    
+  
+    
+    
+  
+    
                                      
+  
                                      
+
                                      
+
+
+
+
                                      src/Expected.js
                                      
+
                                      import isArray from "lodash.isarray";
+import isEqual from "lodash.isequal";
+import isFunction from "lodash.isfunction";
+import isNil from "lodash.isnil";
+import isMatch from "lodash.ismatch";
+import { expect } from "chai";
+
+export default class Expected {
+
+    /**
+     * Creates an ExpectationClass, that checks,
+     * whether an incoming value matches the
+     * expectations
+     *
+     * @param  {*}        args needed for creation
+     * @return {Expected}
+     */
+    static of(...args) {
+        return new Expected(...args);
+    }
+
+    /**
+     * Constructor of Expected
+     *
+     * @constructor
+     * @param       {*}      expected   compared with input
+     * @param       {object} options    for custom matcning behaviour
+     */
+    constructor(expected, { filter, eventually, strict }) {
+        this.messages   = [];
+        this.expection  = isArray(expected) ? expected.slice(0) : expected;
+        this.expected   = expected;
+        this.matcher    = isNil(strict) ? isMatch : isEqual;
+        this.onMisMatch = isNil(eventually) ? -1 : 0;
+        this.filter     = isNil(filter) ? () => true : filter;
+    }
+
+    /**
+     * Checks if next value in list matches the input
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+    includes(value) {
+        const expected = this.expected.shift();
+        const matches  = this.matcher(value, expected);
+        const onMatch  = this.expected.length === 0 ? 1 : 0;
+
+        this.expected = matches ? this.expected : [expected].concat(this.expected);
+
+        return matches ? onMatch : this.onMisMatch;
+    }
+
+    /**
+     * Compares input with expectations
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+    match(value) { // eslint-disable-line
+        this.messages.push(value);
+
+        if(!this.filter(value))       return 0;
+        if(isFunction(this.expected)) return this.expected(value);
+        if(isArray(this.expected))    return this.includes(value);
+
+        return this.matcher(value, this.expected) ? 1 : this.onMisMatch;
+    }
+
+    /**
+     * produces the error containing the expected vs actual results
+     *
+     * @return {Error}
+     */
+    getError() {
+        if(isFunction(this.expection)) return new Error(`the messages ${JSON.stringify(this.messages)} do not match your expectations.`);
+
+        try {
+            expect(this.messages).to.eql(this.expection);
+
+            return null;
+        } catch(e) {
+            return e;
+        }
+    }
+}
+
                                      
+
+
                                      
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/StreamHelper.js.html b/docs/file/src/StreamHelper.js.html
new file mode 100644
index 0000000..acdc482
--- /dev/null
+++ b/docs/file/src/StreamHelper.js.html
@@ -0,0 +1,130 @@
+
+
+
+  
+  
+  src/StreamHelper.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                      
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                      
+  
+    
+    
+  
+    
                                        
+  
                                        
+
                                        
+
+
+
+
                                        src/StreamHelper.js
                                        
+
                                        import isFunction from "lodash.isfunction";
+import assert from "assert";
+import AssertStream from "./AssertStream";
+import defaults from "set-default-value";
+
+/**
+ * this function adds the new methods to the Assertion
+ * chain, where they have the following responsibilities:
+ *
+ * produce: sets the expected value of the stream
+ * on:      gives a set of input values, if testing
+ *          a transformer
+ * notify:  cb for error and done notifications
+ *
+ * @param {object} chai  to be extended
+ */
+const StreamHelper = function({ Assertion }) {
+    Assertion.addChainableMethod("exactly", function(expected) {
+        this.expected       = defaults(expected).to(this.expected);
+        this.strictEquality = true;
+    }, function() {
+        this.strictEquality = true;
+    });
+
+    Assertion.addChainableMethod("produce", function(expected) {
+        this.expected = expected;
+        this.args     = [];
+    }, function() {
+        this.args = [];
+    });
+
+    Assertion.addProperty("eventually", function() {
+        this.checkAllResults = true;
+    });
+
+    Assertion.addMethod("filter", function(filter) {
+        this.filterMethod = filter;
+    });
+
+    Assertion.addMethod("notify", function(done) {
+        const sink = new AssertStream(this.expected, {
+            filter:     this.filterMethod,
+            tapper:     this.tapper,
+            eventually: this.checkAllResults,
+            strict:     this.strictEquality
+        });
+
+        this._obj.pipe(sink)     // eslint-disable-line
+            .on("done", done)
+            .on("error", done);
+
+        this.args.forEach(arg => this._obj.write(arg)); // eslint-disable-line
+    });
+
+    Assertion.addMethod("tap", function(tapper) {
+        this.tapper = tapper;
+    });
+
+    Assertion.addMethod("on", function(...args) {
+        const { write } = this._obj; // eslint-disable-line
+
+        assert(
+            (args.length > 0 && isFunction(write)) ||
+            (args.length === 0 && !isFunction(write)
+        ), "You can only use arguments with a writable stream.");
+
+        this.args = args;
+    });
+};
+
+export default StreamHelper;
+
                                        
+
+
                                        
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/__tests__/AssertStreamTest.js.html b/docs/file/src/__tests__/AssertStreamTest.js.html
new file mode 100644
index 0000000..fce224b
--- /dev/null
+++ b/docs/file/src/__tests__/AssertStreamTest.js.html
@@ -0,0 +1,173 @@
+
+
+
+  
+  
+  src/__tests__/AssertStreamTest.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                        
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                        
+  
+    
+    
+  
+    
                                          
+  
                                          
+
                                          
+
+
+
+
                                          src/__tests__/AssertStreamTest.js
                                          
+
                                          import AssertStream from "../AssertStream";
+import sinon from "sinon";
+import { expect } from "chai";
+
+describe("AssertStreamTest", function() {
+    it("writes to an assert stream with a value expectation, until it ends with the expected value.", function(done) {
+        const tapSpy = sinon.spy();
+        const onEnd  = sinon.spy();
+        const stream = new AssertStream({
+            test: "test"
+        }, {
+            tapper:     tapSpy,
+            eventually: true
+        });
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function() {
+            expect(onEnd.callCount).to.equal(1);
+            expect(tapSpy.firstCall.args.shift()).to.equal("bla");
+            expect(tapSpy.firstCall.args.shift()).to.equal(0);
+            expect(tapSpy.secondCall.args.shift()).to.eql({});
+            expect(tapSpy.secondCall.args.shift()).to.equal(0);
+            expect(tapSpy.thirdCall.args.shift()).to.eql({
+                test: "test"
+            });
+            expect(tapSpy.thirdCall.args.shift()).to.equal(1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function(done) {
+        const onEnd  = sinon.spy();
+        const stream = new AssertStream(x => x.test === "test" ? 1 : 0, {});
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function() {
+            expect(onEnd.callCount).to.equal(1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(x => x.test === "test" ? 1 : -1, {
+            tapper: tapSpy
+        });
+
+        stream.on("error", e => {
+            expect(e.message).to.equal("the messages [\"bla\"] do not match your expectations.");
+            expect(tapSpy.firstCall.args.shift()).to.equal("bla");
+            expect(tapSpy.firstCall.args.shift()).to.equal(-1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        });
+
+        stream.write("bla");
+    });
+
+    it("writes to an assert stream, that expects multiple messages", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(["test1", "test2", "test3"], {
+            tapper: tapSpy
+        });
+        const onEnd = function() {
+            expect(tapSpy.firstCall.calledWith("test1", 0));
+            expect(tapSpy.secondCall.calledWith("test2", 0));
+            expect(tapSpy.thirdCall.calledWith("test3", 1));
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test1");
+        stream.write("test2");
+        stream.write("test3");
+    });
+
+    it("writes to an assert stream, filtering some messages", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(["test1", "test2"], {
+            tapper: tapSpy,
+            filter: value => value !== "test4"
+        });
+
+        const onEnd = function() {
+            expect(tapSpy.firstCall.calledWith("test4", 0));
+            expect(tapSpy.secondCall.calledWith("test1", 0));
+            expect(tapSpy.thirdCall.calledWith("test2", 1));
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test4");
+        stream.write("test1");
+        stream.write("test2");
+    });
+});
+
                                          
+
+
                                          
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/__tests__/ExpectStreamTest.js.html b/docs/file/src/__tests__/ExpectStreamTest.js.html
new file mode 100644
index 0000000..b93f428
--- /dev/null
+++ b/docs/file/src/__tests__/ExpectStreamTest.js.html
@@ -0,0 +1,308 @@
+
+
+
+  
+  
+  src/__tests__/ExpectStreamTest.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                          
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                          
+  
+    
+    
+  
+    
                                            
+  
                                            
+
                                            
+
+
+
+
                                            src/__tests__/ExpectStreamTest.js
                                            
+
                                            import isArray from "lodash.isarray";
+import { expect } from "../index";
+import { Readable, Transform } from "stream";
+import assert from "assert";
+import sinon from "sinon";
+
+class ReadStream extends Readable {
+    constructor(messages = "lala") {
+        super({ objectMode: true });
+
+        this.messages = messages;
+    }
+
+    _read() {
+        this.push(
+            isArray(this.messages) ?
+            this.messages.shift() :
+            this.messages
+        );
+    }
+}
+
+class TransformStream extends Transform {
+    _transform(chunk, enc, cb) {
+        this.push(chunk);
+        setTimeout(cb, 20);
+    }
+}
+
+
+class ReadObjectStream extends Readable {
+    constructor() {
+        super({
+            objectMode: true
+        });
+    }
+
+    _read() {
+        this.push({
+            test: {
+                test: []
+            }
+        });
+    }
+}
+
+class TransformObjStream extends Transform {
+    constructor() {
+        super({
+            objectMode: true
+        });
+    }
+
+    _transform(obj, enc, cb) {
+        this.push(obj);
+        setTimeout(cb, 20);
+    }
+}
+
+
+describe("ExpectStreamTest", function() { // eslint-disable-line
+    it("uses the produce assertion with a readstream, matching exactly", function(done) {
+        expect(new ReadStream(["lala1", "lala2", "lala3"]))
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.exactly.produce({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality - part2", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.produce.exactly({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function(done) {
+        expect(new ReadStream({ test: "lala", another: "lulu" }))
+            .to.produce({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.produce({ test: "lala", another: "lulu" })
+            .notify(e => e ? done() : done(new Error("Shouldn't end up here.")));
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly and fails", function(done) {
+        const stream = new ReadStream(["lala1", "lala", "lala3"]);
+
+        expect(stream)
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(e => {
+                if(!e) return done(new Error("Should fail"));
+
+                try {
+                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                    return done();
+                } catch(e2) {
+                    return done(e2);
+                }
+            });
+    });
+
+    it("uses the produce assertion with a readstream, matching not exactly", function(done) {
+        const stream = new ReadStream(["lala1", "lala", "lala2", "lala3"]);
+
+        expect(stream)
+            .to.eventually.produce(["lala1", "lala2", "lala3"])
+            .notify(e => {
+                if(e) return done(e);
+
+                try {
+                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                    return done();
+                } catch(e2) {
+                    return done(e2);
+                }
+            });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly, but filtering some messages", function(done) {
+        expect(new ReadStream(["lala1", "lala", "lala2", "lala3"]))
+            .filter(value => value !== "lala")
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(done);
+    });
+
+    it("uses the eventually produce assertion with a readstream, producing buffers.", function(done) {
+        expect(new ReadStream()).to.eventually.produce("lala").notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, producing objects.", function(done) {
+        expect(new ReadObjectStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion on the readstream with buffers.", function(done) {
+        expect(new ReadStream()).to.eventually.produce("lulu").notify(() => done(new Error("should not finish")));
+        setTimeout(() => done(), 20);
+    });
+
+    it("fails the produce assertion on the readstream with objects.", function(done) {
+        expect(new ReadStream()).to.eventually.produce({
+            test: "test2"
+        }).notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 20);
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").notify(done);
+    });
+
+    it("uses the produce assertion with a transformstream, producing objects.", function(done) {
+        expect(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", "huhu", {
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream())
+            .to.eventually.produce("huhu")
+            .on("lala", "test")
+            .notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 70);
+    });
+
+    it("fails the produce assertion with a transformstream, producing objects.", function(done) {
+        expect(new TransformObjStream())
+            .to.eventually.produce({
+                test: {
+                    test: []
+                }
+            })
+            .on("lala", "test", {
+                test: {
+                    test: 1
+                }
+            })
+            .notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 70);
+    });
+
+    it("tries to test a readstream with input", function(done) {
+        try {
+            expect(new ReadStream()).to.eventually.produce("test").on("bla").notify(done);
+        } catch(e) {
+            assert.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("tries to test a transformstream without input", function(done) {
+        try {
+            expect(new TransformStream()).to.eventually.produce("test").on().notify(done);
+        } catch(e) {
+            assert.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream())
+            .to.produce(x => x === "huhu" ? 1 : -1)
+            .on("lala", "test", "huhu")
+            .notify(e => e instanceof Error ? done() : done(new Error("should throw")));
+    });
+
+    it("taps a stream under test.", function(done) {
+        const spy = sinon.spy();
+
+        expect(new TransformStream())
+            .to.eventually.produce("huhu")
+            .on("lala", "test", "huhu")
+            .tap(spy)
+            .notify(() => {
+                try {
+                    expect(spy.callCount).to.equal(3);
+                    expect(spy.firstCall.args.shift()).to.equal("lala");
+                    expect(spy.firstCall.args.shift()).to.equal(0);
+                    expect(spy.secondCall.args.shift()).to.equal("test");
+                    expect(spy.secondCall.args.shift()).to.equal(0);
+                    expect(spy.thirdCall.args.shift()).to.equal("huhu");
+                    expect(spy.thirdCall.args.shift()).to.equal(1);
+                    done();
+                } catch(e) {
+                    done(e);
+                }
+            });
+    });
+});
+
                                            
+
+
                                            
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/__tests__/ExpectedTest.js.html b/docs/file/src/__tests__/ExpectedTest.js.html
new file mode 100644
index 0000000..e700adb
--- /dev/null
+++ b/docs/file/src/__tests__/ExpectedTest.js.html
@@ -0,0 +1,128 @@
+
+
+
+  
+  
+  src/__tests__/ExpectedTest.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                            
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                            
+  
+    
+    
+  
+    
                                              
+  
                                              
+
                                              
+
+
+
+
                                              src/__tests__/ExpectedTest.js
                                              
+
                                              import Expected from "../Expected";
+import { expect } from "chai";
+
+describe("Expected", function() {
+    it("compares a single value with the expected one", function() {
+        const expected = Expected.of("Test", {});
+
+        expect(expected.match("Test")).to.equal(1);
+        expect(expected.match("NotTest")).to.equal(-1);
+    });
+
+    it("compares a single value with the expected one, skipping all not matching ones", function() {
+        const expected = Expected.of("Test", {
+            eventually: true
+        });
+
+        expect(expected.match("Test")).to.equal(1);
+        expect(expected.match("NotTest")).to.equal(0);
+    });
+
+    it("compares a list of values with another list of values", function() {
+        const expected = Expected.of(["Test1", "Test2", "Test3"], {});
+
+        expect(expected.match("Test1")).to.equal(0);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares a list of values with another list, skipping all non-matches", function() {
+        const expected = Expected.of(["Test3", "Test4", "Test5"], {
+            eventually: true
+        });
+
+        expect(expected.match("Test3")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a list of values with a filter", function() {
+        const expected = Expected.of(["Test3", "Test4", "Test5"], {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test3")).to.equal(0);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a single of values with a filter", function() {
+        const expected = Expected.of("Test3", {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares with a function", function() {
+        const expected = Expected.of(value => value === "Test3" ? 1 : -1, {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test1")).to.equal(-1);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+});
+
                                              
+
+
                                              
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/examples/test.js.html b/docs/file/src/examples/test.js.html
new file mode 100644
index 0000000..8aa9ce9
--- /dev/null
+++ b/docs/file/src/examples/test.js.html
@@ -0,0 +1,59 @@
+
+
+
+  
+  
+  src/examples/test.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                              
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                              
+  
+    
+    
+  
+    
                                                
+  
                                                
+
                                                
+
+
+
+
                                                src/examples/test.js
                                                
+
                                                
+
                                                Sorry, this documentation does not provide source code.
                                                
+
                                                
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/file/src/index.js.html b/docs/file/src/index.js.html
new file mode 100644
index 0000000..fa7b29a
--- /dev/null
+++ b/docs/file/src/index.js.html
@@ -0,0 +1,66 @@
+
+
+
+  
+  
+  src/index.js | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                                
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                                
+  
+    
+    
+  
+    
                                                  
+  
                                                  
+
                                                  
+
+
+
+
                                                  src/index.js
                                                  
+
                                                  import StreamHelper from "./StreamHelper";
+
+const chai = require("chai");
+
+chai.use(StreamHelper);
+
+module.exports = chai;
+
                                                  
+
+
                                                  
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/function/index.html b/docs/function/index.html
new file mode 100644
index 0000000..ca2df35
--- /dev/null
+++ b/docs/function/index.html
@@ -0,0 +1,157 @@
+
+
+
+  
+  
+  Function | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                                  
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                                  
+  
+    
+    
+  
+    
                                                    
+  
                                                    
+
                                                    
+
+
+
+
                                                    Function
                                                    
+
                                                    
+  
+  
+  
+  
+    
+    
+    
+  
+
+
                                                    Static Public Summary
                                                    
+      public
+      
+      
+      
+      
+    
+      
                                                    
+        
                                                    
+           StreamHelper(chai: object)
+        
                                                    
+      
                                                    
+      
                                                    
+        
+        
+        
                                                    this function adds the new methods to the Assertion
+chain, where they have the following responsibilities:
                                                    
+
                                                    
+      
                                                    
+                                                        		
+      
+      
+    
                                                    
+
                                                    
+
                                                    Static Public 
                                                    
+
+
                                                    
+  
                                                    
+    public
+    
+    
+    
+    
+    StreamHelper(chai: object)
+    
+      
+      
+      source
+    
+  
                                                    
+
+  
                                                    import StreamHelper from 'expect-stream/src/StreamHelper.js'
                                                    
+  
+  
+  
                                                    this function adds the new methods to the Assertion
+chain, where they have the following responsibilities:
                                                    
+
                                                    produce: sets the expected value of the stream
+on:      gives a set of input values, if testing
+         a transformer
+notify:  cb for error and done notifications
                                                    
+
                                                    
+
+  
+
+  
                                                    
+  
                                                    Params:
                                                    
+  
+    
+    
+    
+    
+    
+    
+      
+      
+      
+      
+    
+
+  
                                                    NameTypeAttributeDescription
                                                    chaiobject
                                                    to be extended
                                                    
+
                                                    
+
                                                    
+
                                                    
+
+  
+
+  
+
+  
+
+  
+
+  
+
+  
+
+  
+  
+
                                                    
+
                                                    
+
                                                    
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/identifiers.html b/docs/identifiers.html
new file mode 100644
index 0000000..53cb573
--- /dev/null
+++ b/docs/identifiers.html
@@ -0,0 +1,153 @@
+
+
+
+  
+  
+  Index | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                                    
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                                    
+  
+    
+    
+  
+    
                                                      
+  
                                                      
+
                                                      
+
+
+
+
                                                      References
                                                      
+
                                                      Class Summary
                                                      
+  
+  
+  
+  
+    
+    
+    
+  
+
+    
+    
+    
+  
+
+
                                                      Static Public Class Summary
                                                      
+      public
+      
+      
+      
+      
+    
+      
                                                      
+        
                                                      
+           AssertStream
+        
                                                      
+      
                                                      
+      
                                                      
+        
+        
+        
                                                      this stream is used to be piped into.
                                                      
+
                                                      
+      
                                                      
+                                                          		
+      
+      
+    
                                                      
+      public
+      
+      
+      
+      
+    
+      
                                                      
+        
                                                      
+           Expected
+        
                                                      
+      
                                                      
+      
                                                      
+        
+        
+        
+      
                                                      
+                                                          		
+      
+      
+    
                                                      
+
                                                      
+
+
                                                      Function Summary
                                                      
+  
+  
+  
+  
+    
+    
+    
+  
+
+
                                                      Static Public Function Summary
                                                      
+      public
+      
+      
+      
+      
+    
+      
                                                      
+        
                                                      
+           StreamHelper(chai: object)
+        
                                                      
+      
                                                      
+      
                                                      
+        
+        
+        
                                                      this function adds the new methods to the Assertion
+chain, where they have the following responsibilities:
                                                      
+
                                                      
+      
                                                      
+                                                          		
+      
+      
+    
                                                      
+
                                                      
+
+
+
+
                                                      
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/image/badge.svg b/docs/image/badge.svg
new file mode 100644
index 0000000..324db4c
--- /dev/null
+++ b/docs/image/badge.svg
@@ -0,0 +1,17 @@
+
+  
+  
+    
+    
+  
+  
+  
+  
+  
+  
+    document
+    document
+    @ratio@
+    @ratio@
+  
+
diff --git a/docs/image/github.png b/docs/image/github.png
new file mode 100644
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diff --git a/docs/index.html b/docs/index.html
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+
+
+
+  
+  
+  API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                                      
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                                      
+  
+    
+    
+  
+    
                                                        
+  
                                                        
+
                                                        
+
+
+
+
                                                        CoreAssert
                                                        
+
                                                        Testing stuff sucks and testing more esoteric stuff sucks harder. So we build this extension to chai to reduce the suck-factor of comparing images and testing node streams.
+Now, let's forget about all the drama and call it a victory:
                                                        
+
                                                        victory
                                                        
+
                                                        API
                                                        
+
                                                        As this module extends chai most of the documentation can be found at their website. CoreAssert extends it with new methods for asserting streams asynchronously and also ships some assertions for image comparison:
                                                        
+
                                                        Streams
                                                        
+
                                                        .produce
                                                        
+
                                                        This method takes either one or multiple values, which are expected to be the only outputs produced by the stream under test or a function that takes the value and checks if it is the expected one. In the latter case, there are three values your callback should return to signal its state:
                                                        
+
                                                          
+
                                                        • If the function returns 0, the input value is not the expected value, but does not represent an error case either. The test will go on (or timeout).
                                                          
+
                                                          • 
+
                                                        • If the function returns 1, it's the signal that the correct value has finally arrived. The assertion will notify the test, that it is successful.
                                                          
+
                                                          • 
+
                                                        • If the function returns -1, it signals that the given input value is erroneous. We will be notified of the error via notify.
                                                          
+
                                                          • 
+
                                                        
+
                                                        .eventually
                                                        
+
                                                        This property allows CoreAssert to ignore mismatches until the correct values are produced.
                                                        
+
                                                        .exactly
                                                        
+
                                                        Using this chainable method will adjust the assertion configuration to strict equality. Otherwise CoreAssert validates, if the produced output contains the expected value. 
                                                        
+
                                                        .filter
                                                        
+
                                                        This method accepts a function, that can be used to ignore some outputs, which is signalled by returning false in this callback.
                                                        
+
                                                        .on
                                                        
+
                                                        This method takes the values the stream under test should use to produce its output, if it isn't only a readable stream.
                                                        
+
                                                        .notify
                                                        
+
                                                        This method is used to notify the testrunner if an error occurs or if the streams ended and have produced the expected message
                                                        
+
                                                        .tap
                                                        
+
                                                        With this method you can tap into the stream under test and inspect whats going on, if an error happens
                                                        
+
                                                        Image Comparison
                                                        
+
                                                        .image
                                                        
+
                                                        This function expects the value to be the buffer of the reference image you are testing against.
                                                        
+
                                                        .part
                                                        
+
                                                        In conjunction with the previous method this method enables you to ignore several regions of both images, when comparing them. See ImageComparer if you like to get to know more about regions.
                                                        
+
                                                        Usage
                                                        
+
                                                        Testing Streams
                                                        
+
                                                        Suppose we have a transform stream, that adds a Mr. to the start of every value, that enters it:
                                                        
+
                                                        // src/Misterizer
+import { Transform } from "stream";
+
+export default class Misterizer extends Transform {
+    _transform(name, enc, cb) {
+        this.push(`Mr. ${name}`);
+        cb();
+    }
+}
+
                                                        
+
                                                        Now we'd like to test it, using mocha with CoreAssert:
                                                        
+
                                                        // src/__tests__/MisterizerTest
+import { expect } from "core-assert";
+import Misterizer from "../Misterizer"
+
+describe("MisterizerTest", function() {
+    // this test passes
+    it("Misterizes Circle", function(done) {
+        expect(new Misterizer())
+            .to.exactly.produce("Mr. Circle")
+            .on("Circle")
+            .notify(done);
+    });
+
+    // this test will trigger a timeout
+    it("Misterizes Square", function(done) {
+        expect(new Misterizer())
+            .to.eventually.produce("Mr. Circle")
+            .on("Square")
+            .tap(::console.log) // will print "Square, 0)"
+            .notify(done);
+    });
+});
+
                                                        
+
                                                        But the mighty power of CoreAssert offers much more functionality, which will be presented by FunnyBot: 
                                                        
+
                                                        // src/FunnyBot
+import { Readable } from "stream";
+
+export default class FunnyBot extends Readable {
+    constructor(jokes) {
+        super({ objectMode: true });
+
+        this.jokes = jokes;
+    }
+
+    _read() {
+        return this.push(this.jokes.shift());
+    }
+}
+
                                                        
+
                                                        All that is missing now are some funny jokes:
                                                        
+
                                                        // src/__tests__/FunnyBotTest
+import { expect } from "@circle/core-assert";
+import FunnyBot from "../FunnyBot";
+
+describe("FunnyBot", function() {
+    it("tells multiple really funny jokes", function() {
+        expect(new FunnyBot([{
+            date: Date.now(),
+            joke: "Hello, I am FunnyBot!"
+        }, {
+            date: Date.now(),
+            joke: "I am not a joke"
+        }, {
+            date: Date.now(),
+            joke: "What do you see when the Pillsbury Dough Boy bends over? Dough nuts"
+        }]).filter(x => x.joke !== "I am not a joke").to.produce([{
+            joke: "Hello, I am FunnyBot!" 
+        }, {
+            joke: "What do you see when the Pillsbury Dough Boy bends over? Dough nuts"
+        }]).notify(done);
+    });
+
+    it("thinks about complex problems", function() {
+        expect(new FunnyBot([{
+            date: Date.now(),
+            joke: "Hello, I am FunnyBot!"
+        }, {
+            date: Date.now(),
+            joke: "I am not a joke"
+        }, {
+            date: Date.now(),
+            joke: "The line is an imaginary invention of imperfect biological life forms."
+        }]).to.eventually.produce([{
+            joke: "Hello, I am FunnyBot!" 
+        }, {
+            joke: "The line is an imaginary invention of imperfect biological life forms."
+        }]).notify(done);
+    });
+
+    it("writes up some new material", function() {
+        expect(new FunnyBot([{
+            firstTry: "Error. Error. Banal."
+        }, {
+            secondTry: "That has been done before."
+        }, {
+            lastTry: "Funnybot is now finished with final joke."
+        }]).to.produce.exactly([{
+            firstTry: "Error. Error. Banal."
+        }, {
+            secondTry: "That has been done before."
+        }, {
+            lastTry: "Funnybot is now finished with final joke."
+        }]).notify(done);    
+    });
+});
+
                                                        
+
                                                        Testing Images
                                                        
+
                                                        Using mocha with CoreAssert for image comparison results in the following:
                                                        
+
                                                        // src/__tests__/ImageComparerTest
+import { expect } from "core-assert";
+import Q from "q";
+import fs from "fs";
+
+describe("ImageComparerTest", function() {
+    // this test results in a full comparison of given image buffers
+    it("ImageComparer (no regions)", async function(done) {
+        try {
+            const image     = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/image.png"));
+            const reference = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/reference.png"));
+
+            expect(image).to.be.image(reference);
+            done();
+        } catch(e) {
+            done(e);
+        }
+    });
+
+    // this test results in a comparison of given image buffers with suppressed regions
+    it("ImageComparer (with regions)", async function(done) {
+        try {
+            const image     = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/image.png"));
+            const reference = await Q.nfcall(fs.readFile, path.join(__dirname, "./images/reference.png"));
+            const regions   = [{
+                absolute: {
+                    x:      10,
+                    y:      10,
+                    height: 5,
+                    width:  5
+                },
+                relative: {
+                    x:      10,
+                    y:      10,
+                    height: 5,
+                    width:  5
+                },
+                precision: 100
+            }];
+
+            expect(image).to.be.part(regions).of.image(reference);
+
+            done();
+        } catch(e) {
+            done(e);
+        }
+    });
+});
+
                                                        
+
                                                        Testing
                                                        
+
                                                        CoreAssert is tested with mocha by executing make test in the root directory of the project.
                                                        
+
                                                        Contributing
                                                        
+
                                                        If you want to contribute to this repository, please ensure ...
                                                        
+
                                                          
+
                                                        • to use make for development (it validates the source code and transpiles it to /lib).
                                                          • 
+
                                                        • to follow the existing coding style.
                                                          • 
+
                                                        • to use the linting tools that are listed in the package.json (which you get for free when using make).
                                                          • 
+
                                                        • to add and/or customize unit tests for any changed code.
                                                          • 
+
                                                        • to reference the corresponding issue in your pull request with a small description of your changes.
                                                          • 
+
                                                        
+
                                                        All contributors are listed in the AUTHORS file, sorted by the time of their first contribution.
                                                        
+
                                                        
+
                                                        
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/docs/package.json b/docs/package.json
new file mode 100644
index 0000000..a169c5f
--- /dev/null
+++ b/docs/package.json
@@ -0,0 +1,642 @@
+{
+  "name": "expect-stream",
+  "version": "0.1.0",
+  "description": "chai extension for mocha stream tests",
+  "main": "index.js",
+  "scripts": {
+    "test": "make test"
+  },
+  "keywords": [],
+  "repository": "https://github.com/CircleOfNice/CoreAssert.git",
+  "author": "TeeAge-Beatz UG",
+  "license": "GPL-3.0",
+  "peerDependencies": {
+    "chai": "3.x"
+  },
+  "dependencies": {
+    "lodash.isequal": "^4.4.0",
+    "lodash.isfunction": "^3.0.8",
+    "lodash.ismatch": "^4.4.0",
+    "lodash.isnil": "^4.0.0",
+    "set-default-value": "0.0.8"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.18.0",
+    "babel-eslint": "^7.1.1",
+    "babel-plugin-transform-class-properties": "^6.19.0",
+    "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-plugin-transform-runtime": "^6.15.0",
+    "babel-preset-es2015": "^6.18.0",
+    "babel-preset-stage-0": "^6.16.0",
+    "chai": "^3.5.0",
+    "esdoc": "^0.4.8",
+    "esdoc-es7-plugin": "0.0.3",
+    "eslint": "^3.10.2",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.1.2",
+    "remap-istanbul": "^0.7.0",
+    "sinon": "^1.17.6"
+  },
+  "eslintConfig": {
+    "parser": "babel-eslint",
+    "env": {
+      "browser": true,
+      "node": true,
+      "es6": true,
+      "mocha": true
+    },
+    "rules": {
+      "strict": [
+        2
+      ],
+      "curly": [
+        2,
+        "multi"
+      ],
+      "default-case": [
+        2
+      ],
+      "comma-dangle": [
+        2
+      ],
+      "no-cond-assign": [
+        2
+      ],
+      "no-constant-condition": [
+        2
+      ],
+      "no-empty-character-class": [
+        2
+      ],
+      "no-empty": [
+        2
+      ],
+      "no-ex-assign": [
+        2
+      ],
+      "no-extra-boolean-cast": [
+        2
+      ],
+      "no-extra-semi": [
+        2
+      ],
+      "no-func-assign": [
+        2
+      ],
+      "no-inner-declarations": [
+        2
+      ],
+      "no-invalid-regexp": [
+        2
+      ],
+      "no-irregular-whitespace": [
+        2
+      ],
+      "valid-typeof": [
+        2
+      ],
+      "no-unexpected-multiline": [
+        2
+      ],
+      "no-negated-in-lhs": [
+        2
+      ],
+      "no-obj-calls": [
+        2
+      ],
+      "no-regex-spaces": [
+        2
+      ],
+      "no-sparse-arrays": [
+        2
+      ],
+      "no-unreachable": [
+        2
+      ],
+      "use-isnan": [
+        2
+      ],
+      "no-control-regex": [
+        2
+      ],
+      "no-debugger": [
+        2
+      ],
+      "no-dupe-keys": [
+        2
+      ],
+      "no-dupe-args": [
+        2
+      ],
+      "no-duplicate-case": [
+        2
+      ],
+      "accessor-pairs": [
+        2
+      ],
+      "block-scoped-var": [
+        2
+      ],
+      "no-multi-spaces": [
+        2,
+        {
+          "exceptions": {
+            "VariableDeclarator": true,
+            "AssignmentExpression": true,
+            "IfStatement": true
+          }
+        }
+      ],
+      "key-spacing": [
+        2,
+        {
+          "align": "value"
+        }
+      ],
+      "new-cap": [
+        0,
+        {
+          "capIsNewExceptions": []
+        }
+      ],
+      "valid-jsdoc": [
+        2,
+        {
+          "requireReturn": false,
+          "requireReturnDescription": false
+        }
+      ],
+      "complexity": [
+        2,
+        5
+      ],
+      "consistent-return": [
+        2
+      ],
+      "dot-notation": [
+        2
+      ],
+      "dot-location": [
+        2,
+        "property"
+      ],
+      "eqeqeq": [
+        2
+      ],
+      "guard-for-in": [
+        2
+      ],
+      "no-alert": [
+        2
+      ],
+      "no-caller": [
+        2
+      ],
+      "no-div-regex": [
+        2
+      ],
+      "no-else-return": [
+        2
+      ],
+      "no-labels": [
+        2
+      ],
+      "no-eval": [
+        2
+      ],
+      "no-extra-bind": [
+        2
+      ],
+      "no-eq-null": [
+        2
+      ],
+      "no-extend-native": [
+        2
+      ],
+      "no-fallthrough": [
+        2
+      ],
+      "no-floating-decimal": [
+        2
+      ],
+      "no-implicit-coercion": [
+        2
+      ],
+      "no-implied-eval": [
+        2
+      ],
+      "no-invalid-this": [
+        0
+      ],
+      "no-iterator": [
+        2
+      ],
+      "no-lone-blocks": [
+        2
+      ],
+      "no-loop-func": [
+        2
+      ],
+      "no-multi-str": [
+        2
+      ],
+      "no-native-reassign": [
+        2
+      ],
+      "no-new-func": [
+        2
+      ],
+      "no-new-wrappers": [
+        2
+      ],
+      "no-new": [
+        2
+      ],
+      "keyword-spacing": [
+        2,
+        {
+          "overrides": {
+            "if": {
+              "after": false
+            },
+            "for": {
+              "after": false
+            },
+            "while": {
+              "after": false
+            },
+            "catch": {
+              "after": false
+            }
+          }
+        }
+      ],
+      "no-octal": [
+        2
+      ],
+      "no-octal-escape": [
+        2
+      ],
+      "no-param-reassign": [
+        2
+      ],
+      "no-process-env": [
+        2
+      ],
+      "no-proto": [
+        2
+      ],
+      "no-redeclare": [
+        2
+      ],
+      "no-return-assign": [
+        2
+      ],
+      "no-script-url": [
+        2
+      ],
+      "no-self-compare": [
+        2
+      ],
+      "no-sequences": [
+        2
+      ],
+      "no-throw-literal": [
+        2
+      ],
+      "no-unused-expressions": [
+        2
+      ],
+      "no-useless-call": [
+        2
+      ],
+      "no-void": [
+        2
+      ],
+      "no-warning-comments": [
+        2
+      ],
+      "no-with": [
+        2
+      ],
+      "radix": [
+        2
+      ],
+      "vars-on-top": [
+        2
+      ],
+      "wrap-iife": [
+        2
+      ],
+      "yoda": [
+        2
+      ],
+      "no-undef": [
+        2
+      ],
+      "no-undefined": [
+        2
+      ],
+      "init-declarations": [
+        2,
+        "always"
+      ],
+      "no-catch-shadow": [
+        2
+      ],
+      "no-delete-var": [
+        2
+      ],
+      "no-label-var": [
+        2
+      ],
+      "no-shadow-restricted-names": [
+        2
+      ],
+      "no-shadow": [
+        2
+      ],
+      "no-undef-init": [
+        2
+      ],
+      "no-unused-vars": [
+        2
+      ],
+      "no-use-before-define": [
+        2
+      ],
+      "callback-return": [
+        2
+      ],
+      "handle-callback-err": [
+        2
+      ],
+      "no-mixed-requires": [
+        2
+      ],
+      "no-new-require": [
+        2
+      ],
+      "no-path-concat": [
+        2
+      ],
+      "no-process-exit": [
+        2
+      ],
+      "no-sync": [
+        2
+      ],
+      "func-style": [
+        2,
+        "expression"
+      ],
+      "no-inline-comments": [
+        2
+      ],
+      "no-array-constructor": [
+        2
+      ],
+      "no-multiple-empty-lines": [
+        2
+      ],
+      "array-bracket-spacing": [
+        2,
+        "never"
+      ],
+      "block-spacing": [
+        2,
+        "always"
+      ],
+      "brace-style": [
+        2,
+        "1tbs"
+      ],
+      "camelcase": [
+        2
+      ],
+      "comma-spacing": [
+        2,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "computed-property-spacing": [
+        2,
+        "always"
+      ],
+      "consistent-this": [
+        2,
+        "self"
+      ],
+      "eol-last": [
+        2
+      ],
+      "id-length": [
+        2,
+        {
+          "min": 2,
+          "max": 20,
+          "exceptions": [
+            "x",
+            "e",
+            "T",
+            "Q",
+            "$",
+            "y",
+            "a",
+            "b",
+            "t",
+            "c",
+            "_"
+          ]
+        }
+      ],
+      "indent": [
+        2
+      ],
+      "lines-around-comment": [
+        2,
+        {
+          "beforeBlockComment": true,
+          "beforeLineComment": false
+        }
+      ],
+      "linebreak-style": [
+        2
+      ],
+      "max-nested-callbacks": [
+        2,
+        3
+      ],
+      "new-parens": [
+        2
+      ],
+      "newline-after-var": [
+        2
+      ],
+      "no-continue": [
+        2
+      ],
+      "no-mixed-spaces-and-tabs": [
+        2
+      ],
+      "no-nested-ternary": [
+        2
+      ],
+      "no-new-object": [
+        2
+      ],
+      "no-spaced-func": [
+        2
+      ],
+      "no-trailing-spaces": [
+        2
+      ],
+      "no-underscore-dangle": [
+        2
+      ],
+      "no-unneeded-ternary": [
+        2
+      ],
+      "object-curly-spacing": [
+        2,
+        "always"
+      ],
+      "one-var": [
+        2,
+        "never"
+      ],
+      "operator-assignment": [
+        2,
+        "never"
+      ],
+      "operator-linebreak": [
+        2,
+        "after"
+      ],
+      "padded-blocks": [
+        2,
+        "never"
+      ],
+      "quote-props": [
+        2,
+        "consistent-as-needed"
+      ],
+      "quotes": [
+        2,
+        "double"
+      ],
+      "semi-spacing": [
+        2,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "semi": [
+        2,
+        "always"
+      ],
+      "space-before-blocks": [
+        2,
+        "always"
+      ],
+      "space-before-function-paren": [
+        2,
+        "never"
+      ],
+      "space-in-parens": [
+        2,
+        "never"
+      ],
+      "space-infix-ops": [
+        2
+      ],
+      "space-unary-ops": [
+        2,
+        {
+          "words": true,
+          "nonwords": false
+        }
+      ],
+      "spaced-comment": [
+        2,
+        "always"
+      ],
+      "arrow-parens": [
+        2,
+        "as-needed"
+      ],
+      "arrow-spacing": [
+        2,
+        {
+          "before": true,
+          "after": true
+        }
+      ],
+      "constructor-super": [
+        2
+      ],
+      "generator-star-spacing": [
+        0,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "no-class-assign": [
+        2
+      ],
+      "no-const-assign": [
+        2
+      ],
+      "no-dupe-class-members": [
+        2
+      ],
+      "no-this-before-super": [
+        2
+      ],
+      "no-var": [
+        2
+      ],
+      "object-shorthand": [
+        0,
+        "never"
+      ],
+      "prefer-const": [
+        2
+      ],
+      "prefer-spread": [
+        2
+      ],
+      "prefer-reflect": [
+        0
+      ],
+      "prefer-template": [
+        2
+      ],
+      "require-yield": [
+        2
+      ],
+      "max-depth": [
+        2,
+        5
+      ],
+      "max-statements": [
+        2,
+        10
+      ]
+    },
+    "ecmaFeatures": {
+      "blockBindings": true,
+      "forOf": true,
+      "jsx": true,
+      "arrowFunctions": true,
+      "spread": true,
+      "modules": true,
+      "asyncFunctions": true,
+      "functionBind": true
+    }
+  }
+}
diff --git a/docs/script/inherited-summary.js b/docs/script/inherited-summary.js
new file mode 100644
index 0000000..0a35b6d
--- /dev/null
+++ b/docs/script/inherited-summary.js
@@ -0,0 +1,28 @@
+(function(){
+  function toggle(ev) {
+    var button = ev.target;
+    var parent = ev.target.parentElement;
+    while(parent) {
+      if (parent.tagName === 'TABLE' && parent.classList.contains('summary')) break;
+      parent = parent.parentElement;
+    }
+
+    if (!parent) return;
+
+    var tbody = parent.querySelector('tbody');
+    if (button.classList.contains('opened')) {
+      button.classList.remove('opened');
+      button.classList.add('closed');
+      tbody.style.display = 'none';
+    } else {
+      button.classList.remove('closed');
+      button.classList.add('opened');
+      tbody.style.display = 'block';
+    }
+  }
+
+  var buttons = document.querySelectorAll('.inherited-summary thead .toggle');
+  for (var i = 0; i < buttons.length; i++) {
+    buttons[i].addEventListener('click', toggle);
+  }
+})();
diff --git a/docs/script/inner-link.js b/docs/script/inner-link.js
new file mode 100644
index 0000000..69a7477
--- /dev/null
+++ b/docs/script/inner-link.js
@@ -0,0 +1,31 @@
+// inner link(#foo) can not correctly scroll, because page has fixed header,
+// so, I manually scroll.
+(function(){
+  var matched = location.hash.match(/errorLines=([\d,]+)/);
+  if (matched) return;
+
+  function adjust() {
+    window.scrollBy(0, -55);
+    var el = document.querySelector('.inner-link-active');
+    if (el) el.classList.remove('inner-link-active');
+
+    // ``[ ] . ' " @`` are not valid in DOM id. so must escape these.
+    var id = location.hash.replace(/([\[\].'"@$])/g, '\\$1');
+    var el = document.querySelector(id);
+    if (el) el.classList.add('inner-link-active');
+  }
+
+  window.addEventListener('hashchange', adjust);
+
+  if (location.hash) {
+    setTimeout(adjust, 0);
+  }
+})();
+
+(function(){
+  var els = document.querySelectorAll('[href^="#"]');
+  for (var i = 0; i < els.length; i++) {
+    var el = els[i];
+    el.href = location.href + el.getAttribute('href'); // because el.href is absolute path
+  }
+})();
diff --git a/docs/script/manual.js b/docs/script/manual.js
new file mode 100644
index 0000000..125049d
--- /dev/null
+++ b/docs/script/manual.js
@@ -0,0 +1,13 @@
+(function(){
+  var matched = location.pathname.match(/([^/]*)\.html$/);
+  if (!matched) return;
+
+  var currentName = matched[1];
+  var cssClass = '.navigation [data-toc-name="' + currentName + '"]';
+  var styleText = cssClass + ' .manual-toc { display: block; }\n';
+  styleText += cssClass + ' .manual-toc-title { background-color: #039BE5; }\n';
+  styleText += cssClass + ' .manual-toc-title a { color: white; }\n';
+  var style = document.createElement('style');
+  style.textContent = styleText;
+  document.querySelector('head').appendChild(style);
+})();
diff --git a/docs/script/patch-for-local.js b/docs/script/patch-for-local.js
new file mode 100644
index 0000000..5756d13
--- /dev/null
+++ b/docs/script/patch-for-local.js
@@ -0,0 +1,8 @@
+(function(){
+  if (location.protocol === 'file:') {
+    var elms = document.querySelectorAll('a[href="./"]');
+    for (var i = 0; i < elms.length; i++) {
+      elms[i].href = './index.html';
+    }
+  }
+})();
diff --git a/docs/script/prettify/Apache-License-2.0.txt b/docs/script/prettify/Apache-License-2.0.txt
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/docs/script/prettify/Apache-License-2.0.txt
@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
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+      with Licensor regarding such Contributions.
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+   6. Trademarks. This License does not grant permission to use the trade
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+
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+   limitations under the License.
diff --git a/docs/script/prettify/prettify.js b/docs/script/prettify/prettify.js
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+  result.addEventListener('mousemove', function(ev){
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+    var li = ev.target;
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+      li = li.parentElement;
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+
+    if (li) {
+      selectedIndex = Array.prototype.indexOf.call(result.children, li);
+      li.classList.add('selected');
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new file mode 100644
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+    "builtinexternal/ecmascriptexternal.js~symbol",
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+    "builtinexternal/ecmascriptexternal.js~syntaxerror",
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+    "external/index.html",
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+    "external"
+  ],
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+    "builtinexternal/webapiexternal.js~documentfragment",
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+  [
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+    "file/src/AssertStream.js.html",
+    "src/AssertStream.js",
+    "file"
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+    "src/AssertStream.js~AssertStream#constructor",
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+    "src/AssertStream.js~AssertStream#expected",
+    "member"
+  ],
+  [
+    "src/assertstream.js~assertstream#tapper",
+    "class/src/AssertStream.js~AssertStream.html#instance-member-tapper",
+    "src/AssertStream.js~AssertStream#tapper",
+    "member"
+  ],
+  [
+    "src/expected.js",
+    "file/src/Expected.js.html",
+    "src/Expected.js",
+    "file"
+  ],
+  [
+    "src/expected.js~expected#constructor",
+    "class/src/Expected.js~Expected.html#instance-constructor-constructor",
+    "src/Expected.js~Expected#constructor",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#expected",
+    "class/src/Expected.js~Expected.html#instance-member-expected",
+    "src/Expected.js~Expected#expected",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#expection",
+    "class/src/Expected.js~Expected.html#instance-member-expection",
+    "src/Expected.js~Expected#expection",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#filter",
+    "class/src/Expected.js~Expected.html#instance-member-filter",
+    "src/Expected.js~Expected#filter",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#geterror",
+    "class/src/Expected.js~Expected.html#instance-method-getError",
+    "src/Expected.js~Expected#getError",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#includes",
+    "class/src/Expected.js~Expected.html#instance-method-includes",
+    "src/Expected.js~Expected#includes",
+    "method"
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+  [
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+    "class/src/Expected.js~Expected.html#instance-method-match",
+    "src/Expected.js~Expected#match",
+    "method"
+  ],
+  [
+    "src/expected.js~expected#matcher",
+    "class/src/Expected.js~Expected.html#instance-member-matcher",
+    "src/Expected.js~Expected#matcher",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#messages",
+    "class/src/Expected.js~Expected.html#instance-member-messages",
+    "src/Expected.js~Expected#messages",
+    "member"
+  ],
+  [
+    "src/expected.js~expected#onmismatch",
+    "class/src/Expected.js~Expected.html#instance-member-onMisMatch",
+    "src/Expected.js~Expected#onMisMatch",
+    "member"
+  ],
+  [
+    "src/expected.js~expected.of",
+    "class/src/Expected.js~Expected.html#static-method-of",
+    "src/Expected.js~Expected.of",
+    "method"
+  ],
+  [
+    "src/streamhelper.js",
+    "file/src/StreamHelper.js.html",
+    "src/StreamHelper.js",
+    "file"
+  ],
+  [
+    "src/__tests__/assertstreamtest.js",
+    "file/src/__tests__/AssertStreamTest.js.html",
+    "src/__tests__/AssertStreamTest.js",
+    "file"
+  ],
+  [
+    "src/__tests__/expectstreamtest.js",
+    "file/src/__tests__/ExpectStreamTest.js.html",
+    "src/__tests__/ExpectStreamTest.js",
+    "file"
+  ],
+  [
+    "src/__tests__/expectedtest.js",
+    "file/src/__tests__/ExpectedTest.js.html",
+    "src/__tests__/ExpectedTest.js",
+    "file"
+  ],
+  [
+    "src/examples/test.js",
+    "file/src/examples/test.js.html",
+    "src/examples/test.js",
+    "file"
+  ],
+  [
+    "src/index.js",
+    "file/src/index.js.html",
+    "src/index.js",
+    "file"
+  ]
+]
\ No newline at end of file
diff --git a/docs/script/test-summary.js b/docs/script/test-summary.js
new file mode 100644
index 0000000..2f32cb0
--- /dev/null
+++ b/docs/script/test-summary.js
@@ -0,0 +1,54 @@
+(function(){
+  function toggle(ev) {
+    var button = ev.target;
+    var parent = ev.target.parentElement;
+    while(parent) {
+      if (parent.tagName === 'TR' && parent.classList.contains('test-describe')) break;
+      parent = parent.parentElement;
+    }
+
+    if (!parent) return;
+
+    var direction;
+    if (button.classList.contains('opened')) {
+      button.classList.remove('opened');
+      button.classList.add('closed');
+      direction = 'closed';
+    } else {
+      button.classList.remove('closed');
+      button.classList.add('opened');
+      direction = 'opened';
+    }
+
+    var targetDepth = parseInt(parent.dataset.testDepth, 10) + 1;
+    var nextElement = parent.nextElementSibling;
+    while (nextElement) {
+      var depth = parseInt(nextElement.dataset.testDepth, 10);
+      if (depth >= targetDepth) {
+        if (direction === 'opened') {
+          if (depth === targetDepth)  nextElement.style.display = '';
+        } else if (direction === 'closed') {
+          nextElement.style.display = 'none';
+          var innerButton = nextElement.querySelector('.toggle');
+          if (innerButton && innerButton.classList.contains('opened')) {
+            innerButton.classList.remove('opened');
+            innerButton.classList.add('closed');
+          }
+        }
+      } else {
+        break;
+      }
+      nextElement = nextElement.nextElementSibling;
+    }
+  }
+
+  var buttons = document.querySelectorAll('.test-summary tr.test-describe .toggle');
+  for (var i = 0; i < buttons.length; i++) {
+    buttons[i].addEventListener('click', toggle);
+  }
+
+  var topDescribes = document.querySelectorAll('.test-summary tr[data-test-depth="0"]');
+  for (var i = 0; i < topDescribes.length; i++) {
+    topDescribes[i].style.display = '';
+  }
+})();
diff --git a/docs/source.html b/docs/source.html
new file mode 100644
index 0000000..8452ac9
--- /dev/null
+++ b/docs/source.html
@@ -0,0 +1,137 @@
+
+
+
+  
+  
+  Source | API Document
+  
+  
+  
+  
+  
+  
+
+
+
+
                                                        
+  Home
+  
+  Reference
+  Source
+  
+  Repository
+  
                                                        
+  
+    
+    
+  
+    
                                                          
+  
                                                          
+
                                                          
+
+
+
+
                                                          Source 9/18
                                                          
+
+
+  
+    
+      
+      
+      
+      
+      
+      
+    
+  
+  
+    
+  
+      
+      
+      
+      
+      
+      
+    
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+      
+      
+    
+
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+      
+      
+    
+
+      
+      
+      
+      
+      
+      
+    
+
+      
+      
+      
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+      
+      
+    
+
+      
+      
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+      
+      
+    
+
+      
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+    
+
+      
+      
+      
+      
+      
+      
+    
+
+
                                                          FileIdentifierDocumentSizeLinesUpdated
                                                          src/AssertStream.jsAssertStream60 %3/51405 byte472016-11-05 13:05:00 (UTC)
                                                          src/Expected.jsExpected41 %5/122512 byte862016-11-05 13:05:00 (UTC)
                                                          src/StreamHelper.jsStreamHelper100 %1/12113 byte712016-11-05 13:05:00 (UTC)
                                                          src/__tests__/AssertStreamTest.js--4025 byte1142016-11-05 13:05:00 (UTC)
                                                          src/__tests__/ExpectStreamTest.js--8142 byte2492016-11-05 13:05:00 (UTC)
                                                          src/__tests__/ExpectedTest.js--2442 byte692016-11-05 13:05:00 (UTC)
                                                          src/examples/test.js--0 byte2016-11-05 13:05:00 (UTC)
                                                          src/index.js--123 byte72016-11-05 13:05:00 (UTC)
                                                          
+
                                                          
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+
diff --git a/esdoc.json b/esdoc.json
new file mode 100644
index 0000000..2e814b4
--- /dev/null
+++ b/esdoc.json
@@ -0,0 +1,8 @@
+{
+  "source": "./src",
+  "destination": "./docs",
+  "plugins": [
+    {"name": "esdoc-es7-plugin"}
+  ],
+  "autoPrivate": false
+}
diff --git a/examples/test b/examples/test
new file mode 100755
index 0000000..b7d5729
--- /dev/null
+++ b/examples/test
@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+"use strict";
+
+//# sourceMappingURL=test.js.map
\ No newline at end of file
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..5304ad0
--- /dev/null
+++ b/index.js
@@ -0,0 +1 @@
+module.exports = require("./lib/index");
diff --git a/lib/AssertStream.js b/lib/AssertStream.js
new file mode 100644
index 0000000..89b8bf3
--- /dev/null
+++ b/lib/AssertStream.js
@@ -0,0 +1,100 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = undefined;
+
+var _getPrototypeOf = require("babel-runtime/core-js/object/get-prototype-of");
+
+var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require("babel-runtime/helpers/createClass");
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _possibleConstructorReturn2 = require("babel-runtime/helpers/possibleConstructorReturn");
+
+var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
+
+var _inherits2 = require("babel-runtime/helpers/inherits");
+
+var _inherits3 = _interopRequireDefault(_inherits2);
+
+var _stream = require("stream");
+
+var _Expected = require("./Expected");
+
+var _Expected2 = _interopRequireDefault(_Expected);
+
+var _setDefaultValue = require("set-default-value");
+
+var _setDefaultValue2 = _interopRequireDefault(_setDefaultValue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * this stream is used to be piped into.
+ * it ends if the expected value was received.
+ *
+ * @author Marco Sliwa 
+ */
+var AssertStream = function (_Writable) {
+    (0, _inherits3.default)(AssertStream, _Writable);
+
+    /**
+     * constructor for this stream
+     *
+     * @constructor
+     * @param       {*}      expected value
+     * @param       {object} options  configuring the behaviour of AssertSream
+     */
+    function AssertStream(expected, options) {
+        (0, _classCallCheck3.default)(this, AssertStream);
+
+        var _this = (0, _possibleConstructorReturn3.default)(this, (AssertStream.__proto__ || (0, _getPrototypeOf2.default)(AssertStream)).call(this, {
+            objectMode: true
+        }));
+
+        _this.expected = _Expected2.default.of(expected, options);
+        _this.tapper = (0, _setDefaultValue2.default)(options.tapper).to(function () {});
+        return _this;
+    }
+
+    /**
+     * implementation of the write function. transforms data,
+     * so that it can be compared, emits end on match, otherwise
+     * continues.
+     *
+     * @param  {string|object} chunk of data
+     * @param  {string}        enc   of data
+     * @param  {function}      cb    when operation finished
+     * @return {*}
+     */
+
+
+    (0, _createClass3.default)(AssertStream, [{
+        key: "_write",
+        value: function _write(chunk, enc, cb) {
+            var _this2 = this;
+
+            var data = Buffer.isBuffer(chunk) ? chunk.toString() : chunk;
+            var result = this.expected.match(data);
+
+            this.tapper(data, result);
+
+            return result === -1 ? this.emit("error", this.expected.getError()) : setTimeout(function () {
+                return result === 1 ? _this2.emit("done") : cb();
+            }, 1);
+        }
+    }]);
+    return AssertStream;
+}(_stream.Writable);
+
+exports.default = AssertStream;
+
+//# sourceMappingURL=AssertStream.js.map
\ No newline at end of file
diff --git a/lib/Expected.js b/lib/Expected.js
new file mode 100644
index 0000000..0fee218
--- /dev/null
+++ b/lib/Expected.js
@@ -0,0 +1,156 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = undefined;
+
+var _stringify = require("babel-runtime/core-js/json/stringify");
+
+var _stringify2 = _interopRequireDefault(_stringify);
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require("babel-runtime/helpers/createClass");
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _lodash = require("lodash.isarray");
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+var _lodash3 = require("lodash.isequal");
+
+var _lodash4 = _interopRequireDefault(_lodash3);
+
+var _lodash5 = require("lodash.isfunction");
+
+var _lodash6 = _interopRequireDefault(_lodash5);
+
+var _lodash7 = require("lodash.isnil");
+
+var _lodash8 = _interopRequireDefault(_lodash7);
+
+var _lodash9 = require("lodash.ismatch");
+
+var _lodash10 = _interopRequireDefault(_lodash9);
+
+var _chai = require("chai");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var Expected = function () {
+    (0, _createClass3.default)(Expected, null, [{
+        key: "of",
+
+
+        /**
+         * Creates an ExpectationClass, that checks,
+         * whether an incoming value matches the
+         * expectations
+         *
+         * @param  {*}        args needed for creation
+         * @return {Expected}
+         */
+        value: function of() {
+            for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+                args[_key] = arguments[_key];
+            }
+
+            return new (Function.prototype.bind.apply(Expected, [null].concat(args)))();
+        }
+
+        /**
+         * Constructor of Expected
+         *
+         * @constructor
+         * @param       {*}      expected   compared with input
+         * @param       {object} options    for custom matcning behaviour
+         */
+
+    }]);
+
+    function Expected(expected, _ref) {
+        var filter = _ref.filter,
+            eventually = _ref.eventually,
+            strict = _ref.strict;
+        (0, _classCallCheck3.default)(this, Expected);
+
+        this.messages = [];
+        this.expection = (0, _lodash2.default)(expected) ? expected.slice(0) : expected;
+        this.expected = expected;
+        this.matcher = (0, _lodash8.default)(strict) ? _lodash10.default : _lodash4.default;
+        this.onMisMatch = (0, _lodash8.default)(eventually) ? -1 : 0;
+        this.filter = (0, _lodash8.default)(filter) ? function () {
+            return true;
+        } : filter;
+    }
+
+    /**
+     * Checks if next value in list matches the input
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+
+
+    (0, _createClass3.default)(Expected, [{
+        key: "includes",
+        value: function includes(value) {
+            var expected = this.expected.shift();
+            var matches = this.matcher(value, expected);
+            var onMatch = this.expected.length === 0 ? 1 : 0;
+
+            this.expected = matches ? this.expected : [expected].concat(this.expected);
+
+            return matches ? onMatch : this.onMisMatch;
+        }
+
+        /**
+         * Compares input with expectations
+         *
+         * @param  {*}      value to be compared
+         * @return {Number}
+         */
+
+    }, {
+        key: "match",
+        value: function match(value) {
+            // eslint-disable-line
+            this.messages.push(value);
+
+            if (!this.filter(value)) return 0;
+            if ((0, _lodash6.default)(this.expected)) return this.expected(value);
+            if ((0, _lodash2.default)(this.expected)) return this.includes(value);
+
+            return this.matcher(value, this.expected) ? 1 : this.onMisMatch;
+        }
+
+        /**
+         * produces the error containing the expected vs actual results
+         *
+         * @return {Error}
+         */
+
+    }, {
+        key: "getError",
+        value: function getError() {
+            if ((0, _lodash6.default)(this.expection)) return new Error("the messages " + (0, _stringify2.default)(this.messages) + " do not match your expectations.");
+
+            try {
+                (0, _chai.expect)(this.messages).to.eql(this.expection);
+
+                return null;
+            } catch (e) {
+                return e;
+            }
+        }
+    }]);
+    return Expected;
+}();
+
+exports.default = Expected;
+
+//# sourceMappingURL=Expected.js.map
\ No newline at end of file
diff --git a/lib/StreamHelper.js b/lib/StreamHelper.js
new file mode 100644
index 0000000..9b6a208
--- /dev/null
+++ b/lib/StreamHelper.js
@@ -0,0 +1,98 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _lodash = require("lodash.isfunction");
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+var _assert = require("assert");
+
+var _assert2 = _interopRequireDefault(_assert);
+
+var _AssertStream = require("./AssertStream");
+
+var _AssertStream2 = _interopRequireDefault(_AssertStream);
+
+var _setDefaultValue = require("set-default-value");
+
+var _setDefaultValue2 = _interopRequireDefault(_setDefaultValue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * this function adds the new methods to the Assertion
+ * chain, where they have the following responsibilities:
+ *
+ * produce: sets the expected value of the stream
+ * on:      gives a set of input values, if testing
+ *          a transformer
+ * notify:  cb for error and done notifications
+ *
+ * @param {object} chai  to be extended
+ */
+var StreamHelper = function StreamHelper(_ref) {
+    var Assertion = _ref.Assertion;
+
+    Assertion.addChainableMethod("exactly", function (expected) {
+        this.expected = (0, _setDefaultValue2.default)(expected).to(this.expected);
+        this.strictEquality = true;
+    }, function () {
+        this.strictEquality = true;
+    });
+
+    Assertion.addChainableMethod("produce", function (expected) {
+        this.expected = expected;
+        this.args = [];
+    }, function () {
+        this.args = [];
+    });
+
+    Assertion.addProperty("eventually", function () {
+        this.checkAllResults = true;
+    });
+
+    Assertion.addMethod("filter", function (filter) {
+        this.filterMethod = filter;
+    });
+
+    Assertion.addMethod("notify", function (done) {
+        var _this = this;
+
+        var sink = new _AssertStream2.default(this.expected, {
+            filter: this.filterMethod,
+            tapper: this.tapper,
+            eventually: this.checkAllResults,
+            strict: this.strictEquality
+        });
+
+        this._obj.pipe(sink) // eslint-disable-line
+        .on("done", done).on("error", done);
+
+        this.args.forEach(function (arg) {
+            return _this._obj.write(arg);
+        }); // eslint-disable-line
+    });
+
+    Assertion.addMethod("tap", function (tapper) {
+        this.tapper = tapper;
+    });
+
+    Assertion.addMethod("on", function () {
+        var write = this._obj.write; // eslint-disable-line
+
+        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+            args[_key] = arguments[_key];
+        }
+
+        (0, _assert2.default)(args.length > 0 && (0, _lodash2.default)(write) || args.length === 0 && !(0, _lodash2.default)(write), "You can only use arguments with a writable stream.");
+
+        this.args = args;
+    });
+};
+
+exports.default = StreamHelper;
+
+//# sourceMappingURL=StreamHelper.js.map
\ No newline at end of file
diff --git a/lib/__tests__/AssertStreamTest.js b/lib/__tests__/AssertStreamTest.js
new file mode 100644
index 0000000..3a569e9
--- /dev/null
+++ b/lib/__tests__/AssertStreamTest.js
@@ -0,0 +1,132 @@
+"use strict";
+
+var _AssertStream = require("../AssertStream");
+
+var _AssertStream2 = _interopRequireDefault(_AssertStream);
+
+var _sinon = require("sinon");
+
+var _sinon2 = _interopRequireDefault(_sinon);
+
+var _chai = require("chai");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+describe("AssertStreamTest", function () {
+    it("writes to an assert stream with a value expectation, until it ends with the expected value.", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var onEnd = _sinon2.default.spy();
+        var stream = new _AssertStream2.default({
+            test: "test"
+        }, {
+            tapper: tapSpy,
+            eventually: true
+        });
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function () {
+            (0, _chai.expect)(onEnd.callCount).to.equal(1);
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal("bla");
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal(0);
+            (0, _chai.expect)(tapSpy.secondCall.args.shift()).to.eql({});
+            (0, _chai.expect)(tapSpy.secondCall.args.shift()).to.equal(0);
+            (0, _chai.expect)(tapSpy.thirdCall.args.shift()).to.eql({
+                test: "test"
+            });
+            (0, _chai.expect)(tapSpy.thirdCall.args.shift()).to.equal(1);
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function (done) {
+        var onEnd = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(function (x) {
+            return x.test === "test" ? 1 : 0;
+        }, {});
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function () {
+            (0, _chai.expect)(onEnd.callCount).to.equal(1);
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(function (x) {
+            return x.test === "test" ? 1 : -1;
+        }, {
+            tapper: tapSpy
+        });
+
+        stream.on("error", function (e) {
+            (0, _chai.expect)(e.message).to.equal("the messages [\"bla\"] do not match your expectations.");
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal("bla");
+            (0, _chai.expect)(tapSpy.firstCall.args.shift()).to.equal(-1);
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        });
+
+        stream.write("bla");
+    });
+
+    it("writes to an assert stream, that expects multiple messages", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(["test1", "test2", "test3"], {
+            tapper: tapSpy
+        });
+        var onEnd = function onEnd() {
+            (0, _chai.expect)(tapSpy.firstCall.calledWith("test1", 0));
+            (0, _chai.expect)(tapSpy.secondCall.calledWith("test2", 0));
+            (0, _chai.expect)(tapSpy.thirdCall.calledWith("test3", 1));
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test1");
+        stream.write("test2");
+        stream.write("test3");
+    });
+
+    it("writes to an assert stream, filtering some messages", function (done) {
+        var tapSpy = _sinon2.default.spy();
+        var stream = new _AssertStream2.default(["test1", "test2"], {
+            tapper: tapSpy,
+            filter: function filter(value) {
+                return value !== "test4";
+            }
+        });
+
+        var onEnd = function onEnd() {
+            (0, _chai.expect)(tapSpy.firstCall.calledWith("test4", 0));
+            (0, _chai.expect)(tapSpy.secondCall.calledWith("test1", 0));
+            (0, _chai.expect)(tapSpy.thirdCall.calledWith("test2", 1));
+            (0, _chai.expect)(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test4");
+        stream.write("test1");
+        stream.write("test2");
+    });
+});
+
+//# sourceMappingURL=AssertStreamTest.js.map
\ No newline at end of file
diff --git a/lib/__tests__/ExpectStreamTest.js b/lib/__tests__/ExpectStreamTest.js
new file mode 100644
index 0000000..fefa22b
--- /dev/null
+++ b/lib/__tests__/ExpectStreamTest.js
@@ -0,0 +1,309 @@
+"use strict";
+
+var _getPrototypeOf = require("babel-runtime/core-js/object/get-prototype-of");
+
+var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require("babel-runtime/helpers/createClass");
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _possibleConstructorReturn2 = require("babel-runtime/helpers/possibleConstructorReturn");
+
+var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
+
+var _inherits2 = require("babel-runtime/helpers/inherits");
+
+var _inherits3 = _interopRequireDefault(_inherits2);
+
+var _lodash = require("lodash.isarray");
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+var _index = require("../index");
+
+var _stream = require("stream");
+
+var _assert = require("assert");
+
+var _assert2 = _interopRequireDefault(_assert);
+
+var _sinon = require("sinon");
+
+var _sinon2 = _interopRequireDefault(_sinon);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var ReadStream = function (_Readable) {
+    (0, _inherits3.default)(ReadStream, _Readable);
+
+    function ReadStream() {
+        var messages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "lala";
+        (0, _classCallCheck3.default)(this, ReadStream);
+
+        var _this = (0, _possibleConstructorReturn3.default)(this, (ReadStream.__proto__ || (0, _getPrototypeOf2.default)(ReadStream)).call(this, { objectMode: true }));
+
+        _this.messages = messages;
+        return _this;
+    }
+
+    (0, _createClass3.default)(ReadStream, [{
+        key: "_read",
+        value: function _read() {
+            this.push((0, _lodash2.default)(this.messages) ? this.messages.shift() : this.messages);
+        }
+    }]);
+    return ReadStream;
+}(_stream.Readable);
+
+var TransformStream = function (_Transform) {
+    (0, _inherits3.default)(TransformStream, _Transform);
+
+    function TransformStream() {
+        (0, _classCallCheck3.default)(this, TransformStream);
+        return (0, _possibleConstructorReturn3.default)(this, (TransformStream.__proto__ || (0, _getPrototypeOf2.default)(TransformStream)).apply(this, arguments));
+    }
+
+    (0, _createClass3.default)(TransformStream, [{
+        key: "_transform",
+        value: function _transform(chunk, enc, cb) {
+            this.push(chunk);
+            setTimeout(cb, 20);
+        }
+    }]);
+    return TransformStream;
+}(_stream.Transform);
+
+var ReadObjectStream = function (_Readable2) {
+    (0, _inherits3.default)(ReadObjectStream, _Readable2);
+
+    function ReadObjectStream() {
+        (0, _classCallCheck3.default)(this, ReadObjectStream);
+        return (0, _possibleConstructorReturn3.default)(this, (ReadObjectStream.__proto__ || (0, _getPrototypeOf2.default)(ReadObjectStream)).call(this, {
+            objectMode: true
+        }));
+    }
+
+    (0, _createClass3.default)(ReadObjectStream, [{
+        key: "_read",
+        value: function _read() {
+            this.push({
+                test: {
+                    test: []
+                }
+            });
+        }
+    }]);
+    return ReadObjectStream;
+}(_stream.Readable);
+
+var TransformObjStream = function (_Transform2) {
+    (0, _inherits3.default)(TransformObjStream, _Transform2);
+
+    function TransformObjStream() {
+        (0, _classCallCheck3.default)(this, TransformObjStream);
+        return (0, _possibleConstructorReturn3.default)(this, (TransformObjStream.__proto__ || (0, _getPrototypeOf2.default)(TransformObjStream)).call(this, {
+            objectMode: true
+        }));
+    }
+
+    (0, _createClass3.default)(TransformObjStream, [{
+        key: "_transform",
+        value: function _transform(obj, enc, cb) {
+            this.push(obj);
+            setTimeout(cb, 20);
+        }
+    }]);
+    return TransformObjStream;
+}(_stream.Transform);
+
+describe("ExpectStreamTest", function () {
+    // eslint-disable-line
+    it("uses the produce assertion with a readstream, matching exactly", function (done) {
+        (0, _index.expect)(new ReadStream(["lala1", "lala2", "lala3"])).to.produce(["lala1", "lala2", "lala3"]).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala" })).to.exactly.produce({ test: "lala" }).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality - part2", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala" })).to.produce.exactly({ test: "lala" }).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala", another: "lulu" })).to.produce({ test: "lala" }).notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function (done) {
+        (0, _index.expect)(new ReadStream({ test: "lala" })).to.produce({ test: "lala", another: "lulu" }).notify(function (e) {
+            return e ? done() : done(new Error("Shouldn't end up here."));
+        });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly and fails", function (done) {
+        var stream = new ReadStream(["lala1", "lala", "lala3"]);
+
+        (0, _index.expect)(stream).to.produce(["lala1", "lala2", "lala3"]).notify(function (e) {
+            if (!e) return done(new Error("Should fail"));
+
+            try {
+                (0, _index.expect)(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                return done();
+            } catch (e2) {
+                return done(e2);
+            }
+        });
+    });
+
+    it("uses the produce assertion with a readstream, matching not exactly", function (done) {
+        var stream = new ReadStream(["lala1", "lala", "lala2", "lala3"]);
+
+        (0, _index.expect)(stream).to.eventually.produce(["lala1", "lala2", "lala3"]).notify(function (e) {
+            if (e) return done(e);
+
+            try {
+                (0, _index.expect)(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                return done();
+            } catch (e2) {
+                return done(e2);
+            }
+        });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly, but filtering some messages", function (done) {
+        (0, _index.expect)(new ReadStream(["lala1", "lala", "lala2", "lala3"])).filter(function (value) {
+            return value !== "lala";
+        }).to.produce(["lala1", "lala2", "lala3"]).notify(done);
+    });
+
+    it("uses the eventually produce assertion with a readstream, producing buffers.", function (done) {
+        (0, _index.expect)(new ReadStream()).to.eventually.produce("lala").notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, producing objects.", function (done) {
+        (0, _index.expect)(new ReadObjectStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion on the readstream with buffers.", function (done) {
+        (0, _index.expect)(new ReadStream()).to.eventually.produce("lulu").notify(function () {
+            return done(new Error("should not finish"));
+        });
+        setTimeout(function () {
+            return done();
+        }, 20);
+    });
+
+    it("fails the produce assertion on the readstream with objects.", function (done) {
+        (0, _index.expect)(new ReadStream()).to.eventually.produce({
+            test: "test2"
+        }).notify(function () {
+            return done(new Error("should not finish"));
+        });
+
+        setTimeout(function () {
+            return done();
+        }, 20);
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function (done) {
+        (0, _index.expect)(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").notify(done);
+    });
+
+    it("uses the produce assertion with a transformstream, producing objects.", function (done) {
+        (0, _index.expect)(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", "huhu", {
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion with a transformstream, producing buffers.", function (done) {
+        (0, _index.expect)(new TransformStream()).to.eventually.produce("huhu").on("lala", "test").notify(function () {
+            return done(new Error("should not finish"));
+        });
+
+        setTimeout(function () {
+            return done();
+        }, 70);
+    });
+
+    it("fails the produce assertion with a transformstream, producing objects.", function (done) {
+        (0, _index.expect)(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", {
+            test: {
+                test: 1
+            }
+        }).notify(function () {
+            return done(new Error("should not finish"));
+        });
+
+        setTimeout(function () {
+            return done();
+        }, 70);
+    });
+
+    it("tries to test a readstream with input", function (done) {
+        try {
+            (0, _index.expect)(new ReadStream()).to.eventually.produce("test").on("bla").notify(done);
+        } catch (e) {
+            _assert2.default.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("tries to test a transformstream without input", function (done) {
+        try {
+            (0, _index.expect)(new TransformStream()).to.eventually.produce("test").on().notify(done);
+        } catch (e) {
+            _assert2.default.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function (done) {
+        (0, _index.expect)(new TransformStream()).to.produce(function (x) {
+            return x === "huhu" ? 1 : -1;
+        }).on("lala", "test", "huhu").notify(function (e) {
+            return e instanceof Error ? done() : done(new Error("should throw"));
+        });
+    });
+
+    it("taps a stream under test.", function (done) {
+        var spy = _sinon2.default.spy();
+
+        (0, _index.expect)(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").tap(spy).notify(function () {
+            try {
+                (0, _index.expect)(spy.callCount).to.equal(3);
+                (0, _index.expect)(spy.firstCall.args.shift()).to.equal("lala");
+                (0, _index.expect)(spy.firstCall.args.shift()).to.equal(0);
+                (0, _index.expect)(spy.secondCall.args.shift()).to.equal("test");
+                (0, _index.expect)(spy.secondCall.args.shift()).to.equal(0);
+                (0, _index.expect)(spy.thirdCall.args.shift()).to.equal("huhu");
+                (0, _index.expect)(spy.thirdCall.args.shift()).to.equal(1);
+                done();
+            } catch (e) {
+                done(e);
+            }
+        });
+    });
+});
+
+//# sourceMappingURL=ExpectStreamTest.js.map
\ No newline at end of file
diff --git a/lib/__tests__/ExpectedTest.js b/lib/__tests__/ExpectedTest.js
new file mode 100644
index 0000000..2740f0d
--- /dev/null
+++ b/lib/__tests__/ExpectedTest.js
@@ -0,0 +1,86 @@
+"use strict";
+
+var _Expected = require("../Expected");
+
+var _Expected2 = _interopRequireDefault(_Expected);
+
+var _chai = require("chai");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+describe("Expected", function () {
+    it("compares a single value with the expected one", function () {
+        var expected = _Expected2.default.of("Test", {});
+
+        (0, _chai.expect)(expected.match("Test")).to.equal(1);
+        (0, _chai.expect)(expected.match("NotTest")).to.equal(-1);
+    });
+
+    it("compares a single value with the expected one, skipping all not matching ones", function () {
+        var expected = _Expected2.default.of("Test", {
+            eventually: true
+        });
+
+        (0, _chai.expect)(expected.match("Test")).to.equal(1);
+        (0, _chai.expect)(expected.match("NotTest")).to.equal(0);
+    });
+
+    it("compares a list of values with another list of values", function () {
+        var expected = _Expected2.default.of(["Test1", "Test2", "Test3"], {});
+
+        (0, _chai.expect)(expected.match("Test1")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares a list of values with another list, skipping all non-matches", function () {
+        var expected = _Expected2.default.of(["Test3", "Test4", "Test5"], {
+            eventually: true
+        });
+
+        (0, _chai.expect)(expected.match("Test3")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test4")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test4")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a list of values with a filter", function () {
+        var expected = _Expected2.default.of(["Test3", "Test4", "Test5"], {
+            filter: function filter(value) {
+                return value !== "Test2";
+            }
+        });
+
+        (0, _chai.expect)(expected.match("Test3")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test4")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a single of values with a filter", function () {
+        var expected = _Expected2.default.of("Test3", {
+            filter: function filter(value) {
+                return value !== "Test2";
+            }
+        });
+
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares with a function", function () {
+        var expected = _Expected2.default.of(function (value) {
+            return value === "Test3" ? 1 : -1;
+        }, {
+            filter: function filter(value) {
+                return value !== "Test2";
+            }
+        });
+
+        (0, _chai.expect)(expected.match("Test1")).to.equal(-1);
+        (0, _chai.expect)(expected.match("Test2")).to.equal(0);
+        (0, _chai.expect)(expected.match("Test3")).to.equal(1);
+    });
+});
+
+//# sourceMappingURL=ExpectedTest.js.map
\ No newline at end of file
diff --git a/lib/examples/test.js b/lib/examples/test.js
new file mode 100644
index 0000000..647fe1f
--- /dev/null
+++ b/lib/examples/test.js
@@ -0,0 +1,3 @@
+"use strict";
+
+//# sourceMappingURL=test.js.map
\ No newline at end of file
diff --git a/lib/index.js b/lib/index.js
new file mode 100644
index 0000000..61a3553
--- /dev/null
+++ b/lib/index.js
@@ -0,0 +1,15 @@
+"use strict";
+
+var _StreamHelper = require("./StreamHelper");
+
+var _StreamHelper2 = _interopRequireDefault(_StreamHelper);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var chai = require("chai");
+
+chai.use(_StreamHelper2.default);
+
+module.exports = chai;
+
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..a169c5f
--- /dev/null
+++ b/package.json
@@ -0,0 +1,642 @@
+{
+  "name": "expect-stream",
+  "version": "0.1.0",
+  "description": "chai extension for mocha stream tests",
+  "main": "index.js",
+  "scripts": {
+    "test": "make test"
+  },
+  "keywords": [],
+  "repository": "https://github.com/CircleOfNice/CoreAssert.git",
+  "author": "TeeAge-Beatz UG",
+  "license": "GPL-3.0",
+  "peerDependencies": {
+    "chai": "3.x"
+  },
+  "dependencies": {
+    "lodash.isequal": "^4.4.0",
+    "lodash.isfunction": "^3.0.8",
+    "lodash.ismatch": "^4.4.0",
+    "lodash.isnil": "^4.0.0",
+    "set-default-value": "0.0.8"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.18.0",
+    "babel-eslint": "^7.1.1",
+    "babel-plugin-transform-class-properties": "^6.19.0",
+    "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-plugin-transform-runtime": "^6.15.0",
+    "babel-preset-es2015": "^6.18.0",
+    "babel-preset-stage-0": "^6.16.0",
+    "chai": "^3.5.0",
+    "esdoc": "^0.4.8",
+    "esdoc-es7-plugin": "0.0.3",
+    "eslint": "^3.10.2",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.1.2",
+    "remap-istanbul": "^0.7.0",
+    "sinon": "^1.17.6"
+  },
+  "eslintConfig": {
+    "parser": "babel-eslint",
+    "env": {
+      "browser": true,
+      "node": true,
+      "es6": true,
+      "mocha": true
+    },
+    "rules": {
+      "strict": [
+        2
+      ],
+      "curly": [
+        2,
+        "multi"
+      ],
+      "default-case": [
+        2
+      ],
+      "comma-dangle": [
+        2
+      ],
+      "no-cond-assign": [
+        2
+      ],
+      "no-constant-condition": [
+        2
+      ],
+      "no-empty-character-class": [
+        2
+      ],
+      "no-empty": [
+        2
+      ],
+      "no-ex-assign": [
+        2
+      ],
+      "no-extra-boolean-cast": [
+        2
+      ],
+      "no-extra-semi": [
+        2
+      ],
+      "no-func-assign": [
+        2
+      ],
+      "no-inner-declarations": [
+        2
+      ],
+      "no-invalid-regexp": [
+        2
+      ],
+      "no-irregular-whitespace": [
+        2
+      ],
+      "valid-typeof": [
+        2
+      ],
+      "no-unexpected-multiline": [
+        2
+      ],
+      "no-negated-in-lhs": [
+        2
+      ],
+      "no-obj-calls": [
+        2
+      ],
+      "no-regex-spaces": [
+        2
+      ],
+      "no-sparse-arrays": [
+        2
+      ],
+      "no-unreachable": [
+        2
+      ],
+      "use-isnan": [
+        2
+      ],
+      "no-control-regex": [
+        2
+      ],
+      "no-debugger": [
+        2
+      ],
+      "no-dupe-keys": [
+        2
+      ],
+      "no-dupe-args": [
+        2
+      ],
+      "no-duplicate-case": [
+        2
+      ],
+      "accessor-pairs": [
+        2
+      ],
+      "block-scoped-var": [
+        2
+      ],
+      "no-multi-spaces": [
+        2,
+        {
+          "exceptions": {
+            "VariableDeclarator": true,
+            "AssignmentExpression": true,
+            "IfStatement": true
+          }
+        }
+      ],
+      "key-spacing": [
+        2,
+        {
+          "align": "value"
+        }
+      ],
+      "new-cap": [
+        0,
+        {
+          "capIsNewExceptions": []
+        }
+      ],
+      "valid-jsdoc": [
+        2,
+        {
+          "requireReturn": false,
+          "requireReturnDescription": false
+        }
+      ],
+      "complexity": [
+        2,
+        5
+      ],
+      "consistent-return": [
+        2
+      ],
+      "dot-notation": [
+        2
+      ],
+      "dot-location": [
+        2,
+        "property"
+      ],
+      "eqeqeq": [
+        2
+      ],
+      "guard-for-in": [
+        2
+      ],
+      "no-alert": [
+        2
+      ],
+      "no-caller": [
+        2
+      ],
+      "no-div-regex": [
+        2
+      ],
+      "no-else-return": [
+        2
+      ],
+      "no-labels": [
+        2
+      ],
+      "no-eval": [
+        2
+      ],
+      "no-extra-bind": [
+        2
+      ],
+      "no-eq-null": [
+        2
+      ],
+      "no-extend-native": [
+        2
+      ],
+      "no-fallthrough": [
+        2
+      ],
+      "no-floating-decimal": [
+        2
+      ],
+      "no-implicit-coercion": [
+        2
+      ],
+      "no-implied-eval": [
+        2
+      ],
+      "no-invalid-this": [
+        0
+      ],
+      "no-iterator": [
+        2
+      ],
+      "no-lone-blocks": [
+        2
+      ],
+      "no-loop-func": [
+        2
+      ],
+      "no-multi-str": [
+        2
+      ],
+      "no-native-reassign": [
+        2
+      ],
+      "no-new-func": [
+        2
+      ],
+      "no-new-wrappers": [
+        2
+      ],
+      "no-new": [
+        2
+      ],
+      "keyword-spacing": [
+        2,
+        {
+          "overrides": {
+            "if": {
+              "after": false
+            },
+            "for": {
+              "after": false
+            },
+            "while": {
+              "after": false
+            },
+            "catch": {
+              "after": false
+            }
+          }
+        }
+      ],
+      "no-octal": [
+        2
+      ],
+      "no-octal-escape": [
+        2
+      ],
+      "no-param-reassign": [
+        2
+      ],
+      "no-process-env": [
+        2
+      ],
+      "no-proto": [
+        2
+      ],
+      "no-redeclare": [
+        2
+      ],
+      "no-return-assign": [
+        2
+      ],
+      "no-script-url": [
+        2
+      ],
+      "no-self-compare": [
+        2
+      ],
+      "no-sequences": [
+        2
+      ],
+      "no-throw-literal": [
+        2
+      ],
+      "no-unused-expressions": [
+        2
+      ],
+      "no-useless-call": [
+        2
+      ],
+      "no-void": [
+        2
+      ],
+      "no-warning-comments": [
+        2
+      ],
+      "no-with": [
+        2
+      ],
+      "radix": [
+        2
+      ],
+      "vars-on-top": [
+        2
+      ],
+      "wrap-iife": [
+        2
+      ],
+      "yoda": [
+        2
+      ],
+      "no-undef": [
+        2
+      ],
+      "no-undefined": [
+        2
+      ],
+      "init-declarations": [
+        2,
+        "always"
+      ],
+      "no-catch-shadow": [
+        2
+      ],
+      "no-delete-var": [
+        2
+      ],
+      "no-label-var": [
+        2
+      ],
+      "no-shadow-restricted-names": [
+        2
+      ],
+      "no-shadow": [
+        2
+      ],
+      "no-undef-init": [
+        2
+      ],
+      "no-unused-vars": [
+        2
+      ],
+      "no-use-before-define": [
+        2
+      ],
+      "callback-return": [
+        2
+      ],
+      "handle-callback-err": [
+        2
+      ],
+      "no-mixed-requires": [
+        2
+      ],
+      "no-new-require": [
+        2
+      ],
+      "no-path-concat": [
+        2
+      ],
+      "no-process-exit": [
+        2
+      ],
+      "no-sync": [
+        2
+      ],
+      "func-style": [
+        2,
+        "expression"
+      ],
+      "no-inline-comments": [
+        2
+      ],
+      "no-array-constructor": [
+        2
+      ],
+      "no-multiple-empty-lines": [
+        2
+      ],
+      "array-bracket-spacing": [
+        2,
+        "never"
+      ],
+      "block-spacing": [
+        2,
+        "always"
+      ],
+      "brace-style": [
+        2,
+        "1tbs"
+      ],
+      "camelcase": [
+        2
+      ],
+      "comma-spacing": [
+        2,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "computed-property-spacing": [
+        2,
+        "always"
+      ],
+      "consistent-this": [
+        2,
+        "self"
+      ],
+      "eol-last": [
+        2
+      ],
+      "id-length": [
+        2,
+        {
+          "min": 2,
+          "max": 20,
+          "exceptions": [
+            "x",
+            "e",
+            "T",
+            "Q",
+            "$",
+            "y",
+            "a",
+            "b",
+            "t",
+            "c",
+            "_"
+          ]
+        }
+      ],
+      "indent": [
+        2
+      ],
+      "lines-around-comment": [
+        2,
+        {
+          "beforeBlockComment": true,
+          "beforeLineComment": false
+        }
+      ],
+      "linebreak-style": [
+        2
+      ],
+      "max-nested-callbacks": [
+        2,
+        3
+      ],
+      "new-parens": [
+        2
+      ],
+      "newline-after-var": [
+        2
+      ],
+      "no-continue": [
+        2
+      ],
+      "no-mixed-spaces-and-tabs": [
+        2
+      ],
+      "no-nested-ternary": [
+        2
+      ],
+      "no-new-object": [
+        2
+      ],
+      "no-spaced-func": [
+        2
+      ],
+      "no-trailing-spaces": [
+        2
+      ],
+      "no-underscore-dangle": [
+        2
+      ],
+      "no-unneeded-ternary": [
+        2
+      ],
+      "object-curly-spacing": [
+        2,
+        "always"
+      ],
+      "one-var": [
+        2,
+        "never"
+      ],
+      "operator-assignment": [
+        2,
+        "never"
+      ],
+      "operator-linebreak": [
+        2,
+        "after"
+      ],
+      "padded-blocks": [
+        2,
+        "never"
+      ],
+      "quote-props": [
+        2,
+        "consistent-as-needed"
+      ],
+      "quotes": [
+        2,
+        "double"
+      ],
+      "semi-spacing": [
+        2,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "semi": [
+        2,
+        "always"
+      ],
+      "space-before-blocks": [
+        2,
+        "always"
+      ],
+      "space-before-function-paren": [
+        2,
+        "never"
+      ],
+      "space-in-parens": [
+        2,
+        "never"
+      ],
+      "space-infix-ops": [
+        2
+      ],
+      "space-unary-ops": [
+        2,
+        {
+          "words": true,
+          "nonwords": false
+        }
+      ],
+      "spaced-comment": [
+        2,
+        "always"
+      ],
+      "arrow-parens": [
+        2,
+        "as-needed"
+      ],
+      "arrow-spacing": [
+        2,
+        {
+          "before": true,
+          "after": true
+        }
+      ],
+      "constructor-super": [
+        2
+      ],
+      "generator-star-spacing": [
+        0,
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "no-class-assign": [
+        2
+      ],
+      "no-const-assign": [
+        2
+      ],
+      "no-dupe-class-members": [
+        2
+      ],
+      "no-this-before-super": [
+        2
+      ],
+      "no-var": [
+        2
+      ],
+      "object-shorthand": [
+        0,
+        "never"
+      ],
+      "prefer-const": [
+        2
+      ],
+      "prefer-spread": [
+        2
+      ],
+      "prefer-reflect": [
+        0
+      ],
+      "prefer-template": [
+        2
+      ],
+      "require-yield": [
+        2
+      ],
+      "max-depth": [
+        2,
+        5
+      ],
+      "max-statements": [
+        2,
+        10
+      ]
+    },
+    "ecmaFeatures": {
+      "blockBindings": true,
+      "forOf": true,
+      "jsx": true,
+      "arrowFunctions": true,
+      "spread": true,
+      "modules": true,
+      "asyncFunctions": true,
+      "functionBind": true
+    }
+  }
+}
diff --git a/setupfile b/setupfile
new file mode 100644
index 0000000..27e1f54
--- /dev/null
+++ b/setupfile
@@ -0,0 +1 @@
+setup done
diff --git a/src/AssertStream.js b/src/AssertStream.js
new file mode 100644
index 0000000..a1bd296
--- /dev/null
+++ b/src/AssertStream.js
@@ -0,0 +1,47 @@
+import { Writable } from "stream";
+import Expected from "./Expected";
+import defaults from "set-default-value";
+
+/**
+ * this stream is used to be piped into.
+ * it ends if the expected value was received.
+ *
+ * @author Marco Sliwa 
+ */
+export default class AssertStream extends Writable {
+
+    /**
+     * constructor for this stream
+     *
+     * @constructor
+     * @param       {*}      expected value
+     * @param       {object} options  configuring the behaviour of AssertSream
+     */
+    constructor(expected, options) {
+        super({
+            objectMode: true
+        });
+
+        this.expected = Expected.of(expected, options);
+        this.tapper   = defaults(options.tapper).to(() => {});
+    }
+
+    /**
+     * implementation of the write function. transforms data,
+     * so that it can be compared, emits end on match, otherwise
+     * continues.
+     *
+     * @param  {string|object} chunk of data
+     * @param  {string}        enc   of data
+     * @param  {function}      cb    when operation finished
+     * @return {*}
+     */
+    _write(chunk, enc, cb) {
+        const data   = Buffer.isBuffer(chunk) ? chunk.toString() : chunk;
+        const result = this.expected.match(data);
+
+        this.tapper(data, result);
+
+        return result === -1 ? this.emit("error", this.expected.getError()) : setTimeout(() => result === 1 ? this.emit("done") : cb(), 1);
+    }
+}
diff --git a/src/Expected.js b/src/Expected.js
new file mode 100644
index 0000000..1e1afec
--- /dev/null
+++ b/src/Expected.js
@@ -0,0 +1,86 @@
+import isArray from "lodash.isarray";
+import isEqual from "lodash.isequal";
+import isFunction from "lodash.isfunction";
+import isNil from "lodash.isnil";
+import isMatch from "lodash.ismatch";
+import { expect } from "chai";
+
+export default class Expected {
+
+    /**
+     * Creates an ExpectationClass, that checks,
+     * whether an incoming value matches the
+     * expectations
+     *
+     * @param  {*}        args needed for creation
+     * @return {Expected}
+     */
+    static of(...args) {
+        return new Expected(...args);
+    }
+
+    /**
+     * Constructor of Expected
+     *
+     * @constructor
+     * @param       {*}      expected   compared with input
+     * @param       {object} options    for custom matcning behaviour
+     */
+    constructor(expected, { filter, eventually, strict }) {
+        this.messages   = [];
+        this.expection  = isArray(expected) ? expected.slice(0) : expected;
+        this.expected   = expected;
+        this.matcher    = isNil(strict) ? isMatch : isEqual;
+        this.onMisMatch = isNil(eventually) ? -1 : 0;
+        this.filter     = isNil(filter) ? () => true : filter;
+    }
+
+    /**
+     * Checks if next value in list matches the input
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+    includes(value) {
+        const expected = this.expected.shift();
+        const matches  = this.matcher(value, expected);
+        const onMatch  = this.expected.length === 0 ? 1 : 0;
+
+        this.expected = matches ? this.expected : [expected].concat(this.expected);
+
+        return matches ? onMatch : this.onMisMatch;
+    }
+
+    /**
+     * Compares input with expectations
+     *
+     * @param  {*}      value to be compared
+     * @return {Number}
+     */
+    match(value) { // eslint-disable-line
+        this.messages.push(value);
+
+        if(!this.filter(value))       return 0;
+        if(isFunction(this.expected)) return this.expected(value);
+        if(isArray(this.expected))    return this.includes(value);
+
+        return this.matcher(value, this.expected) ? 1 : this.onMisMatch;
+    }
+
+    /**
+     * produces the error containing the expected vs actual results
+     *
+     * @return {Error}
+     */
+    getError() {
+        if(isFunction(this.expection)) return new Error(`the messages ${JSON.stringify(this.messages)} do not match your expectations.`);
+
+        try {
+            expect(this.messages).to.eql(this.expection);
+
+            return null;
+        } catch(e) {
+            return e;
+        }
+    }
+}
diff --git a/src/StreamHelper.js b/src/StreamHelper.js
new file mode 100644
index 0000000..558ba89
--- /dev/null
+++ b/src/StreamHelper.js
@@ -0,0 +1,71 @@
+import isFunction from "lodash.isfunction";
+import assert from "assert";
+import AssertStream from "./AssertStream";
+import defaults from "set-default-value";
+
+/**
+ * this function adds the new methods to the Assertion
+ * chain, where they have the following responsibilities:
+ *
+ * produce: sets the expected value of the stream
+ * on:      gives a set of input values, if testing
+ *          a transformer
+ * notify:  cb for error and done notifications
+ *
+ * @param {object} chai  to be extended
+ */
+const StreamHelper = function({ Assertion }) {
+    Assertion.addChainableMethod("exactly", function(expected) {
+        this.expected       = defaults(expected).to(this.expected);
+        this.strictEquality = true;
+    }, function() {
+        this.strictEquality = true;
+    });
+
+    Assertion.addChainableMethod("produce", function(expected) {
+        this.expected = expected;
+        this.args     = [];
+    }, function() {
+        this.args = [];
+    });
+
+    Assertion.addProperty("eventually", function() {
+        this.checkAllResults = true;
+    });
+
+    Assertion.addMethod("filter", function(filter) {
+        this.filterMethod = filter;
+    });
+
+    Assertion.addMethod("notify", function(done) {
+        const sink = new AssertStream(this.expected, {
+            filter:     this.filterMethod,
+            tapper:     this.tapper,
+            eventually: this.checkAllResults,
+            strict:     this.strictEquality
+        });
+
+        this._obj.pipe(sink)     // eslint-disable-line
+            .on("done", done)
+            .on("error", done);
+
+        this.args.forEach(arg => this._obj.write(arg)); // eslint-disable-line
+    });
+
+    Assertion.addMethod("tap", function(tapper) {
+        this.tapper = tapper;
+    });
+
+    Assertion.addMethod("on", function(...args) {
+        const { write } = this._obj; // eslint-disable-line
+
+        assert(
+            (args.length > 0 && isFunction(write)) ||
+            (args.length === 0 && !isFunction(write)
+        ), "You can only use arguments with a writable stream.");
+
+        this.args = args;
+    });
+};
+
+export default StreamHelper;
diff --git a/src/__tests__/AssertStreamTest.js b/src/__tests__/AssertStreamTest.js
new file mode 100644
index 0000000..0577ddd
--- /dev/null
+++ b/src/__tests__/AssertStreamTest.js
@@ -0,0 +1,114 @@
+import AssertStream from "../AssertStream";
+import sinon from "sinon";
+import { expect } from "chai";
+
+describe("AssertStreamTest", function() {
+    it("writes to an assert stream with a value expectation, until it ends with the expected value.", function(done) {
+        const tapSpy = sinon.spy();
+        const onEnd  = sinon.spy();
+        const stream = new AssertStream({
+            test: "test"
+        }, {
+            tapper:     tapSpy,
+            eventually: true
+        });
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function() {
+            expect(onEnd.callCount).to.equal(1);
+            expect(tapSpy.firstCall.args.shift()).to.equal("bla");
+            expect(tapSpy.firstCall.args.shift()).to.equal(0);
+            expect(tapSpy.secondCall.args.shift()).to.eql({});
+            expect(tapSpy.secondCall.args.shift()).to.equal(0);
+            expect(tapSpy.thirdCall.args.shift()).to.eql({
+                test: "test"
+            });
+            expect(tapSpy.thirdCall.args.shift()).to.equal(1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function(done) {
+        const onEnd  = sinon.spy();
+        const stream = new AssertStream(x => x.test === "test" ? 1 : 0, {});
+
+        stream.on("done", onEnd);
+
+        stream.write("bla");
+        stream.write({});
+        stream.write({
+            test: "test"
+        });
+
+        setTimeout(function() {
+            expect(onEnd.callCount).to.equal(1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        }, 20);
+    });
+
+    it("writes to an assert stream with a function expectation, until it ends with the expected value.", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(x => x.test === "test" ? 1 : -1, {
+            tapper: tapSpy
+        });
+
+        stream.on("error", e => {
+            expect(e.message).to.equal("the messages [\"bla\"] do not match your expectations.");
+            expect(tapSpy.firstCall.args.shift()).to.equal("bla");
+            expect(tapSpy.firstCall.args.shift()).to.equal(-1);
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        });
+
+        stream.write("bla");
+    });
+
+    it("writes to an assert stream, that expects multiple messages", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(["test1", "test2", "test3"], {
+            tapper: tapSpy
+        });
+        const onEnd = function() {
+            expect(tapSpy.firstCall.calledWith("test1", 0));
+            expect(tapSpy.secondCall.calledWith("test2", 0));
+            expect(tapSpy.thirdCall.calledWith("test3", 1));
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test1");
+        stream.write("test2");
+        stream.write("test3");
+    });
+
+    it("writes to an assert stream, filtering some messages", function(done) {
+        const tapSpy = sinon.spy();
+        const stream = new AssertStream(["test1", "test2"], {
+            tapper: tapSpy,
+            filter: value => value !== "test4"
+        });
+
+        const onEnd = function() {
+            expect(tapSpy.firstCall.calledWith("test4", 0));
+            expect(tapSpy.secondCall.calledWith("test1", 0));
+            expect(tapSpy.thirdCall.calledWith("test2", 1));
+            expect(stream._writableState.ended).to.equal(false); // eslint-disable-line
+            done();
+        };
+
+        stream.on("done", onEnd);
+        stream.write("test4");
+        stream.write("test1");
+        stream.write("test2");
+    });
+});
diff --git a/src/__tests__/ExpectStreamTest.js b/src/__tests__/ExpectStreamTest.js
new file mode 100644
index 0000000..23829c5
--- /dev/null
+++ b/src/__tests__/ExpectStreamTest.js
@@ -0,0 +1,249 @@
+import isArray from "lodash.isarray";
+import { expect } from "../index";
+import { Readable, Transform } from "stream";
+import assert from "assert";
+import sinon from "sinon";
+
+class ReadStream extends Readable {
+    constructor(messages = "lala") {
+        super({ objectMode: true });
+
+        this.messages = messages;
+    }
+
+    _read() {
+        this.push(
+            isArray(this.messages) ?
+            this.messages.shift() :
+            this.messages
+        );
+    }
+}
+
+class TransformStream extends Transform {
+    _transform(chunk, enc, cb) {
+        this.push(chunk);
+        setTimeout(cb, 20);
+    }
+}
+
+
+class ReadObjectStream extends Readable {
+    constructor() {
+        super({
+            objectMode: true
+        });
+    }
+
+    _read() {
+        this.push({
+            test: {
+                test: []
+            }
+        });
+    }
+}
+
+class TransformObjStream extends Transform {
+    constructor() {
+        super({
+            objectMode: true
+        });
+    }
+
+    _transform(obj, enc, cb) {
+        this.push(obj);
+        setTimeout(cb, 20);
+    }
+}
+
+
+describe("ExpectStreamTest", function() { // eslint-disable-line
+    it("uses the produce assertion with a readstream, matching exactly", function(done) {
+        expect(new ReadStream(["lala1", "lala2", "lala3"]))
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.exactly.produce({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, matching on strict equality - part2", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.produce.exactly({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function(done) {
+        expect(new ReadStream({ test: "lala", another: "lulu" }))
+            .to.produce({ test: "lala" })
+            .notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, containing at least key test", function(done) {
+        expect(new ReadStream({ test: "lala" }))
+            .to.produce({ test: "lala", another: "lulu" })
+            .notify(e => e ? done() : done(new Error("Shouldn't end up here.")));
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly and fails", function(done) {
+        const stream = new ReadStream(["lala1", "lala", "lala3"]);
+
+        expect(stream)
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(e => {
+                if(!e) return done(new Error("Should fail"));
+
+                try {
+                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                    return done();
+                } catch(e2) {
+                    return done(e2);
+                }
+            });
+    });
+
+    it("uses the produce assertion with a readstream, matching not exactly", function(done) {
+        const stream = new ReadStream(["lala1", "lala", "lala2", "lala3"]);
+
+        expect(stream)
+            .to.eventually.produce(["lala1", "lala2", "lala3"])
+            .notify(e => {
+                if(e) return done(e);
+
+                try {
+                    expect(stream._readableState.ended).to.equal(false); // eslint-disable-line
+
+                    return done();
+                } catch(e2) {
+                    return done(e2);
+                }
+            });
+    });
+
+    it("uses the produce assertion with a readstream, matching exactly, but filtering some messages", function(done) {
+        expect(new ReadStream(["lala1", "lala", "lala2", "lala3"]))
+            .filter(value => value !== "lala")
+            .to.produce(["lala1", "lala2", "lala3"])
+            .notify(done);
+    });
+
+    it("uses the eventually produce assertion with a readstream, producing buffers.", function(done) {
+        expect(new ReadStream()).to.eventually.produce("lala").notify(done);
+    });
+
+    it("uses the produce assertion with a readstream, producing objects.", function(done) {
+        expect(new ReadObjectStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion on the readstream with buffers.", function(done) {
+        expect(new ReadStream()).to.eventually.produce("lulu").notify(() => done(new Error("should not finish")));
+        setTimeout(() => done(), 20);
+    });
+
+    it("fails the produce assertion on the readstream with objects.", function(done) {
+        expect(new ReadStream()).to.eventually.produce({
+            test: "test2"
+        }).notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 20);
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream()).to.eventually.produce("huhu").on("lala", "test", "huhu").notify(done);
+    });
+
+    it("uses the produce assertion with a transformstream, producing objects.", function(done) {
+        expect(new TransformObjStream()).to.eventually.produce({
+            test: {
+                test: []
+            }
+        }).on("lala", "test", "huhu", {
+            test: {
+                test: []
+            }
+        }).notify(done);
+    });
+
+    it("fails the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream())
+            .to.eventually.produce("huhu")
+            .on("lala", "test")
+            .notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 70);
+    });
+
+    it("fails the produce assertion with a transformstream, producing objects.", function(done) {
+        expect(new TransformObjStream())
+            .to.eventually.produce({
+                test: {
+                    test: []
+                }
+            })
+            .on("lala", "test", {
+                test: {
+                    test: 1
+                }
+            })
+            .notify(() => done(new Error("should not finish")));
+
+        setTimeout(() => done(), 70);
+    });
+
+    it("tries to test a readstream with input", function(done) {
+        try {
+            expect(new ReadStream()).to.eventually.produce("test").on("bla").notify(done);
+        } catch(e) {
+            assert.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("tries to test a transformstream without input", function(done) {
+        try {
+            expect(new TransformStream()).to.eventually.produce("test").on().notify(done);
+        } catch(e) {
+            assert.equal(e.message, "You can only use arguments with a writable stream.");
+            done();
+        }
+    });
+
+    it("uses the produce assertion with a transformstream, producing buffers.", function(done) {
+        expect(new TransformStream())
+            .to.produce(x => x === "huhu" ? 1 : -1)
+            .on("lala", "test", "huhu")
+            .notify(e => e instanceof Error ? done() : done(new Error("should throw")));
+    });
+
+    it("taps a stream under test.", function(done) {
+        const spy = sinon.spy();
+
+        expect(new TransformStream())
+            .to.eventually.produce("huhu")
+            .on("lala", "test", "huhu")
+            .tap(spy)
+            .notify(() => {
+                try {
+                    expect(spy.callCount).to.equal(3);
+                    expect(spy.firstCall.args.shift()).to.equal("lala");
+                    expect(spy.firstCall.args.shift()).to.equal(0);
+                    expect(spy.secondCall.args.shift()).to.equal("test");
+                    expect(spy.secondCall.args.shift()).to.equal(0);
+                    expect(spy.thirdCall.args.shift()).to.equal("huhu");
+                    expect(spy.thirdCall.args.shift()).to.equal(1);
+                    done();
+                } catch(e) {
+                    done(e);
+                }
+            });
+    });
+});
diff --git a/src/__tests__/ExpectedTest.js b/src/__tests__/ExpectedTest.js
new file mode 100644
index 0000000..d7e1dcc
--- /dev/null
+++ b/src/__tests__/ExpectedTest.js
@@ -0,0 +1,69 @@
+import Expected from "../Expected";
+import { expect } from "chai";
+
+describe("Expected", function() {
+    it("compares a single value with the expected one", function() {
+        const expected = Expected.of("Test", {});
+
+        expect(expected.match("Test")).to.equal(1);
+        expect(expected.match("NotTest")).to.equal(-1);
+    });
+
+    it("compares a single value with the expected one, skipping all not matching ones", function() {
+        const expected = Expected.of("Test", {
+            eventually: true
+        });
+
+        expect(expected.match("Test")).to.equal(1);
+        expect(expected.match("NotTest")).to.equal(0);
+    });
+
+    it("compares a list of values with another list of values", function() {
+        const expected = Expected.of(["Test1", "Test2", "Test3"], {});
+
+        expect(expected.match("Test1")).to.equal(0);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares a list of values with another list, skipping all non-matches", function() {
+        const expected = Expected.of(["Test3", "Test4", "Test5"], {
+            eventually: true
+        });
+
+        expect(expected.match("Test3")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a list of values with a filter", function() {
+        const expected = Expected.of(["Test3", "Test4", "Test5"], {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test3")).to.equal(0);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test4")).to.equal(0);
+        expect(expected.match("Test5")).to.equal(1);
+    });
+
+    it("compares a single of values with a filter", function() {
+        const expected = Expected.of("Test3", {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+
+    it("compares with a function", function() {
+        const expected = Expected.of(value => value === "Test3" ? 1 : -1, {
+            filter: value => value !== "Test2"
+        });
+
+        expect(expected.match("Test1")).to.equal(-1);
+        expect(expected.match("Test2")).to.equal(0);
+        expect(expected.match("Test3")).to.equal(1);
+    });
+});
diff --git a/src/examples/test.js b/src/examples/test.js
new file mode 100644
index 0000000..e69de29
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..5d38680
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,7 @@
+import StreamHelper from "./StreamHelper";
+
+const chai = require("chai");
+
+chai.use(StreamHelper);
+
+module.exports = chai;