#5 add a new example

add Testing-Bash-with-BATS/requires-CI_COMMIT_REF_SLUG-environment-variable/

Testing-Bash-with-BATS/Readme.md

@@ -4,3 +4,5 @@ This folder trys to document the learning about article [Testing Bash with BATS]
 - [compare-script-execution-and-source-execution](./compare-script-execution-and-source-execution/Readme.md)
 
 - [annotate-refactored-build.sh](./annotate-refactored-build.sh/Readme.md)
+
+- [requires-CI_COMMIT_REF_SLUG-environment-variable](requires-CI_COMMIT_REF_SLUG-environment-variable/Readme.md)

Testing-Bash-with-BATS/requires-CI_COMMIT_REF_SLUG-environment-variable/Readme.md

@@ -0,0 +1,11 @@
+This folder contains a test example "requires CI_COMMIT_REF_SLUG environment variable"
+
+# Commands
+
+- Run test
+
+``` shell
+export LIBRARY_PATH="../../test/libs"
+
+${LIBRARY_PATH}/bats/bin/bats test.bats
+```

Testing-Bash-with-BATS/requires-CI_COMMIT_REF_SLUG-environment-variable/hello.bats

@@ -0,0 +1,9 @@
+#!/usr/bin/env "${LIBRARY_PATH}/bats/bin/bats"
+
+load "${LIBRARY_PATH}/bats-support/load"
+load "${LIBRARY_PATH}/bats-assert/load"
+
+@test "hello.sh should great the user" {
+  run ./hello.sh John
+  assert_output "Hello John"
+}

Testing-Bash-with-BATS/requires-CI_COMMIT_REF_SLUG-environment-variable/hello.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "Hello $1"

Testing-Bash-with-BATS/requires-CI_COMMIT_REF_SLUG-environment-variable/test.bats

@@ -0,0 +1,16 @@
+#!/usr/bin/env "${LIBRARY_PATH}/bats/bin/bats"
+
+load "${LIBRARY_PATH}/bats-support/load"
+load "${LIBRARY_PATH}/bats-assert/load"
+
+
+
+@test "requires CI_COMMIT_REF_SLUG environment variable" {
+  unset CI_COMMIT_REF_SLUG
+  [ -z "${CI_COMMIT_REF_SLUG}" ]
+
+  source ./test.sh
+  run check_required_environment
+  assert_failure
+  assert_output --partial "CI_COMMIT_REF_SLUG"
+}

Testing-Bash-with-BATS/requires-CI_COMMIT_REF_SLUG-environment-variable/test.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# This script builds the nodejs image for the application
+# with its devDependencies as ${application}-candidate:${environment}
+# so that it can be used for testing in later pipeline stages
+raise()
+{
+  echo "${1}" >&2
+}
+
+check_required_environment() {
+  local required_env="CI_COMMIT_REF_SLUG CI_PROJECT_NAME"
+
+  for reqvar in $required_env
+  do
+    if [ -z ${!reqvar} ]
+    then
+      raise "missing ENVIRONMENT ${reqvar}!"
+      return 1
+    fi
+  done
+}