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yaml-tests.el
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;;; yaml-tests.el --- Tests for yaml.el -*- lexical-binding: t -*-
;; This file is not part of GNU Emacs
;; This file 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, 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.
;; For a full copy of the GNU General Public License
;; see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file contains the unit tests for yaml.el
;;; Code:
(require 'yaml)
(require 'ert)
(defun yaml--hash-table-equal (h1 h2)
(when (or (not (hash-table-p h1))
(not (hash-table-p h2)))
(error "arguments to yaml--hash-table-equal must be a hash-table."))
(if (not (= (hash-table-size h1)
(hash-table-size h2)))
nil
(let ((res t))
(maphash (lambda (key value)
(when (not (equal (gethash key h2)
value))
(setq res nil)))
h1)
res)))
(ert-deftest yaml-parsing-scalar ()
"Test conversion of !!str to JSON scalar"
(let* ((yaml--parsing-null-object :null)
(yaml--parsing-false-object :false))
(should (equal :null (yaml--resolve-scalar-tag "null")))
(should (equal :false (yaml--resolve-scalar-tag "false")))
(should (equal t (yaml--resolve-scalar-tag "true")))
(should (equal "xtruex" (yaml--resolve-scalar-tag "xtruex")))
(should (equal 0 (yaml--resolve-scalar-tag "0")))
(should (equal 10 (yaml--resolve-scalar-tag "10")))
(should (equal "x10" (yaml--resolve-scalar-tag "x10")))
(should (equal 10.52 (yaml--resolve-scalar-tag "10.52")))
(should (equal 52.0 (yaml--resolve-scalar-tag ".52e2")))
(should (equal 1.0e+INF (yaml--resolve-scalar-tag ".Inf")))
(should (equal "hello world" (yaml--resolve-scalar-tag "hello world")))))
(ert-deftest yaml-process-literal-text-test ()
"Test processing literal strings"
(should (equal (yaml--process-literal-text "\n abc\n def")
"abc\ndef\n"))
(should (equal (yaml--process-literal-text "\n abc\n\n def")
"abc\n\ndef\n"))
(should (equal (yaml--process-literal-text "1\n abc\n def")
" abc\n def\n"))
(should (equal (yaml--process-literal-text "2\n abc\n def")
" abc\n def\n"))
(should (equal (yaml--process-literal-text "-\n abc\n def\n \n \n \n")
"abc\ndef"))
(should (equal (yaml--process-literal-text "\n abc\n def\n \n \n \n")
"abc\ndef\n"))
(should (equal (yaml--process-literal-text "+\n abc\n def\n \n \n \n")
"abc\ndef\n\n\n\n")))
(ert-deftest yaml-process-folded-text-test ()
"Test processing literal strings"
(should (equal (yaml--process-folded-text "\n abc\n def")
"abc def\n"))
(should (equal (yaml--process-folded-text "\n abc\n\n def")
"abc\ndef\n"))
(should (equal (yaml--process-folded-text "1\n abc\n def")
" abc\n def\n"))
(should (equal (yaml--process-folded-text "2\n abc\n def")
" abc\n def\n"))
(should (equal (yaml--process-folded-text "-\n abc\n def\n \n \n \n")
"abc def"))
(should (equal (yaml--process-folded-text "\n abc\n def\n \n \n \n")
"abc def\n"))
(should (equal (yaml--process-folded-text "+\n abc\n def\n \n \n \n")
"abc def\n\n\n\n")))
(ert-deftest yaml-parsing-yaml ()
"Tests YAML parsing."
(should (yaml--hash-table-equal
(yaml-parse-string "key: value")
(let ((ht (make-hash-table :test 'equal)))
(prog1 ht
(puthash 'key "value" ht)))))
(should (equal (yaml-parse-string "value")
"value"))
(should (equal (yaml-parse-string "[abc, def, ghi]")
["abc" "def" "ghi"]))
(should (equal (yaml-parse-string "- abc\n- def\n- ghi")
["abc" "def" "ghi"]))
(should (equal (yaml-parse-string "- abc\n- def\n- ghi")
["abc" "def" "ghi"]))
(should (equal (yaml-parse-string "- [abc, def, ghi]\n- [jkl, mno, pqr]\n- [stu, vwx, yz]")
[["abc" "def" "ghi"] ["jkl" "mno" "pqr"] ["stu" "vwx" "yz"]]))
(should (equal (yaml-parse-string "a")
"a"))
(should (equal (yaml-parse-string "\"a\"")
"a"))
(should (equal (yaml-parse-string "'a'")
"a"))
;; will be fixed when tags are implemented.
;; (should (equal (yaml-parse-string "- !!str \"a\"
;; - 'b'
;; - &anchor \"c\"
;; - *anchor
;; - !!str")
;; ["a" "b" "c" "c" ""]))
;; example 8.1
(should (equal (yaml-parse-string "- | # Empty header
literal
- >1 # Indentation indicator
folded
- |+ # Chomping indicator
keep
- >1- # Both indicators↓
strip")
["literal\n" " folded\n" "keep\n\n" " strip"]))
;; Example 8.5
(should (equal (yaml-parse-string " # Strip
# Comments:
strip: |-
# text
\s\s
# Clip
# comments:" :object-type 'alist)
'((strip . "# text"))))
(should (equal (yaml-parse-string ">
folded
line
next
line
* bullet
* list
* lines
last
line
# Comment")
"\nfolded line\nnext line\n * bullet\n\n * list\n * lines\n\nlast line\n"))
(should (equal (yaml-parse-string "- # Empty
- abc")
[:null "abc"]))
(should (equal (yaml-parse-string "block sequence:
- one
- two : three
" :object-type 'alist)
`((,(intern "block sequence") . ["one" ((two . "three"))]))))
;; Example 8.15. Block Sequence Entry Types
(should (equal (yaml-parse-string "- # Empty
- |
block node
- - one # Compact
- two # sequence
- one: two # Compact mapping" :object-type 'alist)
[:null "block node\n" ["one" "two"] ((one . "two"))]))
;; Example 8.16. Block mapping
(should (equal (yaml-parse-string "block mapping:
key: value
" :object-type 'alist)
`((,(intern "block mapping") . ((key . "value"))))))
;; Example 8.17. Explicit Block Mapping Entries
(should (equal (yaml-parse-string "? explicit key # Empty value
? |
block key
: - one # Explicit compact
- two # block value
" :object-type 'alist)
`((,(intern "explicit key") . :null)
(,(intern "block key\n") . ["one" "two"]))))
;; Example 8.18. Implicit Block Mapping Entries
(should (equal (yaml-parse-string "plain key: in-line value
: # Both empty
\"quoted key\":
- entry
" :object-type 'alist)
`((,(intern "plain key") . "in-line value")
(:null . :null)
(,(intern "quoted key") . ["entry"]))))
;; Example 8.19. Compact Block Mappings
(should (equal (yaml-parse-string "- sun: yellow
- ? earth: blue
: moon: white
" :object-type 'alist)
[((sun . "yellow")) ((((earth . "blue")) . ((moon . "white"))))]))
;; Example 8.20. Block Node Types
(should (equal (yaml-parse-string "-
\"flow in block\"
- >
Block scalar
- !!map # Block collection
foo : bar
" :object-type 'alist)
["flow in block" "Block scalar\n" ((foo . "bar"))]))
;; Example 8.21. Block Scalar Nodes
;; TODO: The document has no new line after the literal and folded
;; but since it is using default chomp, I think there should be one new line.
;; Which one is right?
(should (equal (yaml-parse-string "literal: |2
value
folded:
!foo
>1
value" :object-type 'alist)
'((literal . "value\n") (folded . "value\n"))))
(should (equal (yaml-parse-string "sequence: !!seq
- entry
- !!seq
- nested
mapping: !!map
foo: bar" :object-type 'alist)
'((sequence . ["entry" ["nested"]])
(mapping . ((foo . "bar"))))))
;; Example 9.2. Document Markers
(should (equal (yaml-parse-string "%YAML 1.2
---
Document
...")
"Document"))
;; Example 9.3 Bare Documents
;; TODO: Allow first character of bare document to be %
;; (should (equal (yaml-parse-string "%!PS-Adobe-2.0 # Not the first line\n")))
(should (equal (yaml-parse-string "---
{ matches
% : 20 }
...
---
# Empty
...")
"" ;; TODO: Should this be :null instead?
))
;; Example 9.4. Explicit Documents
(should (equal (yaml-parse-string "---
{ matches
% : 20 }
..." :object-type 'alist)
`((,(intern "matches %") . 20))))
(should (equal (yaml-parse-string "strip: |-
beep
# text" :object-type 'alist)
'((strip . "beep"))))
(should (equal (yaml-parse-string "
- one: |
hey
- two" :object-type 'alist)
[((one . "hey\n"))
"two"]))
(should (equal (yaml-parse-string "
one:
note: |-
this is a note
two: three" :object-type 'alist)
'((one . ((note . "this is a note")
(two . "three"))))))
(should (equal (yaml-parse-string "key: |-
# not
# a
# comment
# these
# are
# all
# comments" :object-type 'alist)
'((key . "# not\n# a\n# comment"))))
(should (equal (yaml-parse-string "
abc:
key-1: |-
# not
# a
# comment
key-2: [1, 2, \"three\"]
key-3:
- deeply
- |
nested
# these
# are
# all
# comments" :object-type 'alist)
'((abc (key-1 . "# not
# a
# comment") (key-2 . [1 2 "three"]) (key-3 . ["deeply" "nested
"])))))
(should (equal (yaml-parse-string "
key-1: |-2
---
---
key-2: |2-
---
---"
:object-type 'alist)
'((key-1 . " ---\n ---")
(key-2 . " ---\n ---"))))
(should (equal (yaml-parse-string "
key-1: |-2
---
---
key-2: |2-
---
---"
:object-key-type 'string
:object-type 'alist)
'(("key-1" . " ---\n ---")
("key-2" . " ---\n ---"))))
(should (equal (yaml-parse-string "''") ""))
(should (equal (yaml-parse-string "foo: ''" :object-type 'alist)
'((foo . ""))))
;; anchor should produce same parse as without anchor
(should (equal (yaml-parse-string "bill-to: &id001
city: East Centerville
state: KS
" :object-type 'alist
:object-key-type 'string
:string-values t)
(yaml-parse-string "bill-to:
city: East Centerville
state: KS
" :object-type 'alist
:object-key-type 'string
:string-values t)))
;; anchor should expand to be identical to definition
(should (equal (yaml-parse-string "bill-to: &id001
street: |
123 Tornado Alley
Suite 16
city: East Cenrville
state: KS
ship-to: *id001
" :object-type 'alist
:object-key-type 'string
:string-values t)
(yaml-parse-string "bill-to:
street: |
123 Tornado Alley
Suite 16
city: East Cenrville
state: KS
ship-to:
street: |
123 Tornado Alley
Suite 16
city: East Cenrville
state: KS
" :object-type 'alist
:object-key-type 'string
:string-values t)))
(should (equal (progn
(yaml-parse-string-with-pos "- # Empty\n- abc")
(yaml-parse-string "- # Empty\n- abc"))
[:null "abc"]))
(should (equal (yaml-parse-string "deeply:\n nested:\n value: >-1\n test string"
:object-type 'alist)
'((deeply (nested (value . " test string"))))))
(should (equal (yaml-parse-string "deeply:\n nested:\n value: >-\n test string"
:object-type 'alist)
'((deeply (nested (value . "test string"))))))
(should (equal (yaml-parse-string "deeply:\n nested:\n value: >-2\n test string"
:object-type 'alist)
'((deeply (nested (value . "test string"))))))
(should (equal (yaml-parse-string "deeply:\n nested:\n value: >-7\n test string"
:object-type 'alist)
'((deeply (nested (value . "test string"))))))
(should (equal (yaml-parse-string "deeply:\n nested:\n value: |-6\n test string"
:object-type 'alist)
'((deeply (nested (value . " test string"))))))
(should (equal (yaml-parse-string "deeply:\n nested:\n value: |-\n test string"
:object-type 'alist)
'((deeply (nested (value . "test string"))))))
(should (equal (yaml-parse-string ">-\n this is text"
:object-type 'alist)
"this is text"))
(should (equal (yaml-parse-string ">-1\n this is text"
:object-type 'alist)
"this is text"))
(should (equal (yaml-parse-string "top: |1\n this is text"
:object-type 'alist)
'((top . " this is text\n"))))
(should (equal (yaml-parse-string "top: 0x10" :object-type 'alist)
'((top . 16))))
(should (equal (yaml-parse-string "top: 0o10" :object-type 'alist)
'((top . 8)))))
(ert-deftest yaml-parsing-completes ()
"Tests that the yaml parses."
(should (yaml-parse-string "one: two"))
(should (yaml-parse-string "!!map { ? !!str one : !!str one}"))
(should (yaml-parse-string "\"one\" : [
\"key\" : value,
]"))
(should (yaml-parse-string "{ ? !!str : \"two\"}"))
(should (yaml-parse-string "{ ? !!str : !!str }"))
(should (yaml-parse-string "{ ? : }"))
(should (yaml-parse-string "{ ? !!str \"one\" : \"two\"}"))
(should (let ((max-lisp-eval-depth 1050))
(yaml-parse-string
"apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
selector:
matchLabels:
app: nginx
replicas: 2 # tells deployment to run 2 pods matching the template
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.2
ports:
- containerPort: 80")))
;; example 7.17
;; TODO: The empty strings of "http://foo.com" and "omitted value" should be tagged as !!null.
(should (yaml-parse-string
"{
unquoted : \"separate\",
http://foo.com,
omitted value:,
: omitted key,
}"))
;; example 7.18
(should (yaml-parse-string
"{
\"adjacent\":value,
\"readable\":·value,
\"empty\":
}"))
;; example 7.19
(should (yaml-parse-string
"[
foo: bar
]"))
;; example 7.20
(should (yaml-parse-string
"[
? foo
bar : baz
]"))
;; example 7.21
(should (yaml-parse-string
"- [ YAML : separate ]
- [ : empty key entry ]
- [ {JSON: like}:adjacent ]"))
;; example 7.22
(should (not (condition-case n
(yaml-parse-string "[ foo
bar: invalid,
\"foo...>1K characters...bar\": invalid ]")
(error nil))))
;; example 7.23
(should (yaml-parse-string "- [ a, b ]
- { a: b }
- \"a\"
- 'b'
- c"))
;; example 8.1
;; (should (yaml-parse-string "- |
;; \sdetected
;; - >
;; \s
;; \s\s
;; \s\s# detected
;; - |1
;; \s\sexplicit
;; - >
;; \s\t
;; \sdetected"))
;; example 8.2
(should (yaml-parse-string "strip: |-
text
clip: |
text
keep: |+
text
"))
(should (yaml-parse-string "block sequence:
- one
- two : three"))
(should (yaml-parse-string "- # Empty
- abc"))
;; The following tests make sure long strings don't blow up the stack when trying to traverse the tree.
(should (yaml-parse-string "oarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoar
# beep" :object-type 'alist))
(should (yaml-parse-string "'oarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoar'
# beep" :object-type 'alist))
(should (yaml-parse-string "\"oarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoar\"
# beep" :object-type 'alist))
(should (yaml-parse-string "|\n oarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoaroarsietnaorsetnaorstnearsotnarsoitneiaosretnaoirsetnaorsentaorsentoar
# beep" :object-type 'alist))
(should (yaml-parse-string "another:\n value:\n deeply: >\n nested" :object-type 'alist)))
(defun yaml-test-round-trip (o)
"Test (equal (decode (encode o)) o)"
(let* ((encoded (yaml-encode o))
(parsed (yaml-parse-string encoded
:object-type 'alist
:sequence-type 'list))
(encoded-2 (yaml-encode o)))
(equal encoded encoded-2)))
(ert-deftest yaml-encode-tests ()
(should (yaml-test-round-trip 1))
(should (yaml-test-round-trip "one"))
(should (yaml-test-round-trip nil))
(should (yaml-test-round-trip '(1 2 3)))
(should (yaml-test-round-trip '((1 . 2) (3 . 4) (5 . 6))))
(should (yaml-test-round-trip
'(("key" . "value")
("nested-map" . ((1 . 2) (3 . 4) (5 . 6))))))
(should (yaml-test-round-trip
'("one"
(("key" . "value")
("nested-map" . ((1 . 2) (3 . 4) (5 . 6))))
"three")))
(should (yaml-test-round-trip
'("one"
(("key" . "value")
("nested-map" . ((1 . 2) (3 . 4) (5 . 6))))
"three")))
(should (yaml-test-round-trip
'("one"
(("key" . "value")
("nested-map" . ((1 . 2) (3 . 4) (5 . 6))))
("nested" "list" 1 2 3))))
(should (yaml-test-round-trip
'("one"
(("key" . "value")
("nested-map" . ((1 . 2) (3 . 4) (5 . 6)))
("nested-list" . (1 2 3 4 5)))
("nested" "list" 1 2 3))))
(should (yaml-test-round-trip
'("one"
(("key" . "value")
("nested-map" . ((1 . 2) (3 . 4) (5 . 6)))
("nested-list" . (1 2 3 4 5)))
("nested" "list" 1 2 3))))
(should (yaml-test-round-trip
'("one" t nil :false)))
(should (yaml-test-round-trip
'(t nil)))
(should (yaml-test-round-trip
[1 2 3 4]))
(should (yaml-encode
'((("aaaa" "bbbb" "cccc") ("dddd" "eeee" "ffff") ("gggg" "hhhh" "iiii"))
("jjjj" "kkkk" "llll") ("mmmm" "nnnn" "oooo") ("pppp" "qqqq" "rrrr"))))
(should (yaml-encode
'(("aaaa" "bbbb" "cccc" ("dddd" "eeee" "ffff") ("gggg" "hhhh" "iiii"))
("jjjj" "kkkk" "llll") ("mmmm" "nnnn" "oooo") ("pppp" "qqqq" "rrrr"))))
(should (equal
(yaml-encode :null)
"null"))
(should (equal
(yaml-encode :false)
"false"))
(should (equal
(yaml-encode nil)
"null"))
(should (equal
(yaml-encode [1 2 3])
"[1, 2, 3]"))
(should (equal
(yaml-encode `[((foo . bar) (baz . bax))])
"- foo: bar\n baz: bax"))
(should (equal
(yaml-encode `((deeper . [((foo . bar) (baz . bax))])))
"deeper: \n- foo: bar\n baz: bax"))
(should (equal (yaml-parse-string
(yaml-encode [1 [2 [3] 2] 1])
:object-type 'alist
:sequence-type 'array)
[1 [2 [3] 2] 1]))
(should (yaml-test-round-trip `[1 [2 [[4 4 4] 3 ((a . 1) (b . 2) (c . 3)) 3] 2] 1]))
(should (yaml-test-round-trip
'((build_the_package (script . "if [ -z \"${CUSTOM}\" ]; then
./mvnw package
fi") (stage . "build")))))
(should (yaml-test-round-trip
`((deeper . [((foo . bar) (baz . bax))
((foo . bar) (baz . bax) (bee . bop))])
(lower . [((foo . bar) (baz . bax))
((foo . [((foo . bar) (baz . bax))
((foo . bar) (baz . bax) (bee . bop))])
(baz . bax)
(bee . bop))])))))
(provide 'yaml-tests)
;; yaml-tests.el ends here