/
types.js
1178 lines (1081 loc) · 33.5 KB
/
types.js
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import * as YAML from 'yaml'
import { Scalar, YAMLSeq } from 'yaml'
import { seqTag, stringTag, stringifyString } from 'yaml/util'
import { source } from '../_utils'
describe('tags', () => {
describe('implicit tags', () => {
test('plain string', () => {
const doc = YAML.parseDocument('foo')
expect(doc.contents.tag).toBeUndefined()
expect(doc.contents.value).toBe('foo')
})
test('quoted string', () => {
const doc = YAML.parseDocument('"foo"')
expect(doc.contents.tag).toBeUndefined()
expect(doc.contents.value).toBe('foo')
})
test('flow map', () => {
const doc = YAML.parseDocument('{ foo }')
expect(doc.contents.tag).toBeUndefined()
expect(doc.contents.toJSON()).toMatchObject({ foo: null })
})
test('flow seq', () => {
const doc = YAML.parseDocument('[ foo ]')
expect(doc.contents.tag).toBeUndefined()
expect(doc.contents.toJSON()).toMatchObject(['foo'])
})
test('block map', () => {
const doc = YAML.parseDocument('foo:\n')
expect(doc.contents.tag).toBeUndefined()
expect(doc.contents.toJSON()).toMatchObject({ foo: null })
})
test('block seq', () => {
const doc = YAML.parseDocument('- foo')
expect(doc.contents.tag).toBeUndefined()
expect(doc.contents.toJSON()).toMatchObject(['foo'])
})
})
describe('explicit tags', () => {
test('plain string', () => {
const doc = YAML.parseDocument('!!str foo')
expect(doc.contents.tag).toBe('tag:yaml.org,2002:str')
expect(doc.contents.value).toBe('foo')
})
test('quoted string', () => {
const doc = YAML.parseDocument('!!str "foo"')
expect(doc.contents.tag).toBe('tag:yaml.org,2002:str')
expect(doc.contents.value).toBe('foo')
})
test('flow map', () => {
const doc = YAML.parseDocument('!!map { foo }')
expect(doc.contents.tag).toBe('tag:yaml.org,2002:map')
expect(doc.contents.toJSON()).toMatchObject({ foo: null })
})
test('flow seq', () => {
const doc = YAML.parseDocument('!!seq [ foo ]')
expect(doc.contents.tag).toBe('tag:yaml.org,2002:seq')
expect(doc.contents.toJSON()).toMatchObject(['foo'])
})
test('block map', () => {
const doc = YAML.parseDocument('!!map\nfoo:\n')
expect(doc.contents.tag).toBe('tag:yaml.org,2002:map')
expect(doc.contents.toJSON()).toMatchObject({ foo: null })
})
test('block seq', () => {
const doc = YAML.parseDocument('!!seq\n- foo')
expect(doc.contents.tag).toBe('tag:yaml.org,2002:seq')
expect(doc.contents.toJSON()).toMatchObject(['foo'])
})
})
describe('invalid tags', () => {
for (const tag of [
'!t`ag x',
'!t^ag x',
'!t\\ag x',
'!t<ag x',
'!t>ag x',
'!t,ag x',
'!t"ag x'
]) {
test(`invalid tag: ${tag}`, () => {
const doc = YAML.parseDocument(tag)
expect(doc.errors).not.toHaveLength(0)
expect(doc.errors[0].code).toBe('MISSING_CHAR')
})
}
})
test('eemeli/yaml#97', () => {
const doc = YAML.parseDocument('foo: !!float 3.0')
expect(String(doc)).toBe('foo: !!float 3.0\n')
})
})
describe('number types', () => {
describe('intAsBigInt: false', () => {
test('Version 1.1', () => {
const src = `
- 0b10_10
- 0123
- -00
- 123_456
- 3.1e+2
- 5.1_2_3E-1
- 4.02
- 4.20
- .42
- 00.4`
const doc = YAML.parseDocument(src, {
intAsBigInt: false,
version: '1.1'
})
expect(doc.contents.items).toMatchObject([
{ value: 10, format: 'BIN' },
{ value: 83, format: 'OCT' },
{ value: -0, format: 'OCT' },
{ value: 123456 },
{ value: 310, format: 'EXP' },
{ value: 0.5123, format: 'EXP' },
{ value: 4.02 },
{ value: 4.2, minFractionDigits: 2 },
{ value: 0.42 },
{ value: 0.4 }
])
expect(doc.contents.items[3]).not.toHaveProperty('format')
expect(doc.contents.items[6]).not.toHaveProperty('format')
expect(doc.contents.items[6]).not.toHaveProperty('minFractionDigits')
expect(doc.contents.items[7]).not.toHaveProperty('format')
})
test('Version 1.2', () => {
const src = `
- 0o123
- 0o0
- 123456
- 3.1e+2
- 5.123E-1
- 4.02
- 4.20
- .42
- 00.4`
const doc = YAML.parseDocument(src, {
intAsBigInt: false,
version: '1.2'
})
expect(doc.contents.items).toMatchObject([
{ value: 83, format: 'OCT' },
{ value: 0, format: 'OCT' },
{ value: 123456 },
{ value: 310, format: 'EXP' },
{ value: 0.5123, format: 'EXP' },
{ value: 4.02 },
{ value: 4.2, minFractionDigits: 2 },
{ value: 0.42 },
{ value: 0.4 }
])
expect(doc.contents.items[2]).not.toHaveProperty('format')
expect(doc.contents.items[5]).not.toHaveProperty('format')
expect(doc.contents.items[5]).not.toHaveProperty('minFractionDigits')
expect(doc.contents.items[6]).not.toHaveProperty('format')
})
})
describe('intAsBigInt: true', () => {
test('Version 1.1', () => {
const src = `
- 0b10_10
- 0123
- -00
- 123_456
- 3.1e+2
- 5.1_2_3E-1
- 4.02`
const doc = YAML.parseDocument(src, { intAsBigInt: true, version: '1.1' })
expect(doc.contents.items).toMatchObject([
{ value: 10n, format: 'BIN' },
{ value: 83n, format: 'OCT' },
{ value: 0n, format: 'OCT' },
{ value: 123456n },
{ value: 310, format: 'EXP' },
{ value: 0.5123, format: 'EXP' },
{ value: 4.02 }
])
expect(doc.contents.items[3]).not.toHaveProperty('format')
expect(doc.contents.items[6]).not.toHaveProperty('format')
expect(doc.contents.items[6]).not.toHaveProperty('minFractionDigits')
})
test('Version 1.2', () => {
const src = `
- 0o123
- 0o0
- 123456
- 3.1e+2
- 5.123E-1
- 4.02`
const doc = YAML.parseDocument(src, { intAsBigInt: true, version: '1.2' })
expect(doc.contents.items).toMatchObject([
{ value: 83n, format: 'OCT' },
{ value: 0n, format: 'OCT' },
{ value: 123456n },
{ value: 310, format: 'EXP' },
{ value: 0.5123, format: 'EXP' },
{ value: 4.02 }
])
expect(doc.contents.items[2]).not.toHaveProperty('format')
expect(doc.contents.items[5]).not.toHaveProperty('format')
expect(doc.contents.items[5]).not.toHaveProperty('minFractionDigits')
})
})
})
test('eemeli/yaml#2', () => {
const src = `
aliases:
- docker:
- image: circleci/node:8.11.2
- key: repository-{{ .Revision }}\n`
expect(YAML.parse(src)).toMatchObject({
aliases: [
{ docker: [{ image: 'circleci/node:8.11.2' }] },
{ key: 'repository-{{ .Revision }}' }
]
})
})
describe('json schema', () => {
test('!!bool', () => {
const src = `"canonical": true
"answer": false
"logical": True
"option": TruE`
const doc = YAML.parseDocument(src, { schema: 'json' })
expect(doc.toJS()).toMatchObject({
canonical: true,
answer: false,
logical: 'True',
option: 'TruE'
})
expect(doc.errors).toHaveLength(2)
doc.errors = []
expect(String(doc)).toBe(
'"canonical": true\n"answer": false\n"logical": "True"\n"option": "TruE"\n'
)
})
test('!!float', () => {
const src = `"canonical": 6.8523015e+5
"fixed": 685230.15
"negative infinity": -.inf
"not a number": .NaN`
const doc = YAML.parseDocument(src, { schema: 'json' })
expect(doc.toJS()).toMatchObject({
canonical: 685230.15,
fixed: 685230.15,
'negative infinity': '-.inf',
'not a number': '.NaN'
})
expect(doc.errors).toHaveLength(2)
doc.errors = []
doc.contents.items[1].value.tag = 'tag:yaml.org,2002:float'
expect(String(doc)).toBe(
'"canonical": 685230.15\n"fixed": !!float 685230.15\n"negative infinity": "-.inf"\n"not a number": ".NaN"\n'
)
})
test('!!int', () => {
const src = `"canonical": 685230
"decimal": -685230
"octal": 0o2472256
"hexadecimal": 0x0A74AE`
const doc = YAML.parseDocument(src, { schema: 'json' })
expect(doc.toJS()).toMatchObject({
canonical: 685230,
decimal: -685230,
octal: '0o2472256',
hexadecimal: '0x0A74AE'
})
expect(doc.errors).toHaveLength(2)
doc.errors = []
doc.set('bigint', 42n)
expect(String(doc)).toBe(
'"canonical": 685230\n"decimal": -685230\n"octal": "0o2472256"\n"hexadecimal": "0x0A74AE"\n"bigint": 42\n'
)
})
test('!!null', () => {
const src = `"empty":
"canonical": ~
"english": null
~: 'null key'`
const doc = YAML.parseDocument(src, { schema: 'json' })
expect(doc.toJS()).toMatchObject({
empty: '',
canonical: '~',
english: null,
'~': 'null key'
})
expect(doc.errors).toHaveLength(3)
doc.errors = []
expect(String(doc)).toBe(`"empty": ""
"canonical": "~"
"english": null
"~": "null key"\n`)
})
})
describe('core schema', () => {
test('!!bool', () => {
const src = `canonical: true
answer: FALSE
logical: True
option: TruE\n`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
canonical: true,
answer: false,
logical: true,
option: 'TruE'
})
expect(String(doc)).toBe(`canonical: true
answer: FALSE
logical: True
option: TruE\n`)
})
test('!!float', () => {
const src = `canonical: 6.8523015e+5
fixed: 685230.15
negative infinity: -.inf
not a number: .NaN`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
canonical: 685230.15,
fixed: 685230.15,
'negative infinity': Number.NEGATIVE_INFINITY,
'not a number': NaN
})
expect(String(doc)).toBe(`canonical: 6.8523015e+5
fixed: 685230.15
negative infinity: -.inf
not a number: .nan\n`)
})
test('!!int', () => {
const src = `canonical: 685230
decimal: +685230
octal: 0o2472256
hexadecimal: 0x0A74AE`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
canonical: 685230,
decimal: 685230,
octal: 685230,
hexadecimal: 685230
})
expect(String(doc)).toBe(`canonical: 685230
decimal: 685230
octal: 0o2472256
hexadecimal: 0xa74ae\n`)
})
test('!!null', () => {
const src = `empty:
canonical: ~
english: null
~: null key`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
empty: null,
canonical: null,
english: null,
'': 'null key'
})
expect(String(doc)).toBe(`empty:
canonical: ~
english: null
~: null key\n`)
})
describe('!!map', () => {
test('mapAsMap: false', () => {
const src = `
one: 1
2: two
{ 3: 4 }: many\n`
const doc = YAML.parseDocument(src, { logLevel: 'error' })
expect(doc.toJS()).toMatchObject({
one: 1,
2: 'two',
'{ 3: 4 }': 'many'
})
expect(doc.errors).toHaveLength(0)
doc.contents.items[2].key = { 3: 4 }
expect(doc.toJS()).toMatchObject({
one: 1,
2: 'two',
'{"3":4}': 'many'
})
})
test('mapAsMap: true', () => {
const src = `
one: 1
2: two
{ 3: 4 }: many\n`
const doc = YAML.parseDocument(src)
expect(doc.toJS({ mapAsMap: true })).toMatchObject(
new Map([
['one', 1],
[2, 'two'],
[new Map([[3, 4]]), 'many']
])
)
expect(doc.errors).toHaveLength(0)
doc.contents.items[2].key = { 3: 4 }
expect(doc.toJS({ mapAsMap: true })).toMatchObject(
new Map([
['one', 1],
[2, 'two'],
[{ 3: 4 }, 'many']
])
)
})
})
})
describe('YAML 1.1 schema', () => {
test('!!binary', () => {
const src = `canonical: !!binary "\\
R0lGODlhDAAMAIQAAP//9/X17unp5WZmZgAAAOfn515eXvPz7Y6OjuDg4J+fn5\\
OTk6enp56enmlpaWNjY6Ojo4SEhP/++f/++f/++f/++f/++f/++f/++f/++f/+\\
+f/++f/++f/++f/++f/++SH+Dk1hZGUgd2l0aCBHSU1QACwAAAAADAAMAAAFLC\\
AgjoEwnuNAFOhpEMTRiggcz4BNJHrv/zCFcLiwMWYNG84BwwEeECcgggoBADs="
generic: !!binary |
R0lGODlhDAAMAIQAAP//9/X17unp5WZmZgAAAOfn515eXvPz7Y6OjuDg4J+fn5
OTk6enp56enmlpaWNjY6Ojo4SEhP/++f/++f/++f/++f/++f/++f/++f/++f/+
+f/++f/++f/++f/++f/++SH+Dk1hZGUgd2l0aCBHSU1QACwAAAAADAAMAAAFLC
AgjoEwnuNAFOhpEMTRiggcz4BNJHrv/zCFcLiwMWYNG84BwwEeECcgggoBADs=
description:
The binary value above is a tiny arrow encoded as a gif image.`
const doc = YAML.parseDocument(src, { schema: 'yaml-1.1' })
const canonical = doc.contents.items[0].value.value
const generic = doc.contents.items[1].value.value
expect(canonical).toBeInstanceOf(Uint8Array)
expect(generic).toBeInstanceOf(Uint8Array)
expect(canonical).toHaveLength(185)
expect(generic).toHaveLength(185)
let canonicalStr = ''
let genericStr = ''
for (let i = 0; i < canonical.length; ++i)
canonicalStr += String.fromCharCode(canonical[i])
for (let i = 0; i < generic.length; ++i)
genericStr += String.fromCharCode(generic[i])
expect(canonicalStr).toBe(genericStr)
expect(canonicalStr.substr(0, 5)).toBe('GIF89')
expect(String(doc))
.toBe(`canonical: !!binary "R0lGODlhDAAMAIQAAP//9/X17unp5WZmZgAAAOfn515eXvPz7Y6OjuDg4J\\
+fn5OTk6enp56enmlpaWNjY6Ojo4SEhP/++f/++f/++f/++f/++f/++f/++f/++f/++f/++f/++f/\\
++f/++f/++SH+Dk1hZGUgd2l0aCBHSU1QACwAAAAADAAMAAAFLCAgjoEwnuNAFOhpEMTRiggcz4BN\\
JHrv/zCFcLiwMWYNG84BwwEeECcgggoBADs="
generic: !!binary |-
R0lGODlhDAAMAIQAAP//9/X17unp5WZmZgAAAOfn515eXvPz7Y6OjuDg4J+fn5OTk6enp56enmlpaW
NjY6Ojo4SEhP/++f/++f/++f/++f/++f/++f/++f/++f/++f/++f/++f/++f/++f/++SH+Dk1hZGUg
d2l0aCBHSU1QACwAAAAADAAMAAAFLCAgjoEwnuNAFOhpEMTRiggcz4BNJHrv/zCFcLiwMWYNG84Bww
EeECcgggoBADs=
description: The binary value above is a tiny arrow encoded as a gif image.\n`)
})
test('!!bool', () => {
const src = `
canonical: y
answer: NO
logical: True
option: on`
const doc = YAML.parseDocument(src, { version: '1.1' })
expect(doc.toJS()).toMatchObject({
canonical: true,
answer: false,
logical: true,
option: true
})
expect(String(doc)).toBe(`canonical: y
answer: NO
logical: True
option: on\n`)
})
test('!!float', () => {
const src = `%YAML 1.1
---
canonical: 6.8523015e+5
exponential: 685.230_15e+03
fixed: 685_230.15
sexagesimal: 190:20:30.15
negative infinity: -.inf
not a number: .NaN`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
canonical: 685230.15,
exponential: 685230.15,
fixed: 685230.15,
sexagesimal: 685230.15,
'negative infinity': Number.NEGATIVE_INFINITY,
'not a number': NaN
})
expect(String(doc)).toBe(`%YAML 1.1
---
canonical: 6.8523015e+5
exponential: 6.8523015e+5
fixed: 685230.15
sexagesimal: 190:20:30.15
negative infinity: -.inf
not a number: .nan\n`)
})
test('!!int', () => {
const src = `%YAML 1.1
---
canonical: 685230
decimal: +685_230
octal: 02472256
hexadecimal: 0x_0A_74_AE
binary: 0b1010_0111_0100_1010_1110
sexagesimal: 190:20:30`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
canonical: 685230,
decimal: 685230,
octal: 685230,
hexadecimal: 685230,
binary: 685230,
sexagesimal: 685230
})
expect(String(doc)).toBe(`%YAML 1.1
---
canonical: 685230
decimal: 685230
octal: 02472256
hexadecimal: 0xa74ae
binary: 0b10100111010010101110
sexagesimal: 190:20:30\n`)
})
test('!!int, asBigInt', () => {
const src = `%YAML 1.1
---
canonical: 685230
decimal: +685_230
octal: 02472256
hexadecimal: 0x_0A_74_AE
binary: 0b1010_0111_0100_1010_1110
sexagesimal: 190:20:30`
const doc = YAML.parseDocument(src, { intAsBigInt: true })
expect(doc.toJS()).toMatchObject({
canonical: 685230n,
decimal: 685230n,
octal: 685230n,
hexadecimal: 685230n,
binary: 685230n,
sexagesimal: 685230n
})
expect(String(doc)).toBe(`%YAML 1.1
---
canonical: 685230
decimal: 685230
octal: 02472256
hexadecimal: 0xa74ae
binary: 0b10100111010010101110
sexagesimal: 190:20:30\n`)
})
test('!!null', () => {
const src = `%YAML 1.1
---
empty:
canonical: ~
english: null
~: null key`
const doc = YAML.parseDocument(src)
expect(doc.toJS()).toMatchObject({
empty: null,
canonical: null,
english: null,
'': 'null key'
})
expect(String(doc)).toBe(`%YAML 1.1
---
empty:
canonical: ~
english: null
~: null key\n`)
})
describe('!!timestamp', () => {
test('parse & document', () => {
const src = `%YAML 1.1
---
canonical: 2001-12-15T02:59:43.1Z
valid iso8601: 2001-12-14t21:59:43.10-05:00
space separated: 2001-12-14 21:59:43.10 -5
no time zone (Z): 2001-12-15 2:59:43.10
date (00:00:00Z): 2002-12-14`
const doc = YAML.parseDocument(src)
doc.contents.items.forEach(item => {
expect(item.value.value).toBeInstanceOf(Date)
})
expect(doc.toJSON()).toMatchObject({
canonical: '2001-12-15T02:59:43.100Z',
'valid iso8601': '2001-12-15T02:59:43.100Z',
'space separated': '2001-12-15T02:59:43.100Z',
'no time zone (Z)': '2001-12-15T02:59:43.100Z',
'date (00:00:00Z)': '2002-12-14T00:00:00.000Z'
})
expect(String(doc)).toBe(`%YAML 1.1
---
canonical: 2001-12-15T02:59:43.100Z
valid iso8601: 2001-12-15T02:59:43.100Z
space separated: 2001-12-15T02:59:43.100Z
no time zone (Z): 2001-12-15T02:59:43.100Z
date (00:00:00Z): 2002-12-14\n`)
})
test('stringify', () => {
const date = new Date('2018-12-22T08:02:52Z')
const str = YAML.stringify(date) // stringified as !!str
expect(str).toBe('2018-12-22T08:02:52.000Z\n')
const str2 = YAML.stringify(date, { version: '1.1' })
expect(str2).toBe('2018-12-22T08:02:52\n')
})
})
describe('!!pairs', () => {
for (const { name, src } of [
{ name: 'parse block seq', src: `!!pairs\n- a: 1\n- b: 2\n- a: 3\n` },
{ name: 'parse flow seq', src: `!!pairs [ a: 1, b: 2, a: 3 ]\n` }
])
test(name, () => {
const doc = YAML.parseDocument(src, { version: '1.1' })
expect(doc.contents).toBeInstanceOf(YAMLSeq)
expect(doc.contents.items).toMatchObject([
{ key: { value: 'a' }, value: { value: 1 } },
{ key: { value: 'b' }, value: { value: 2 } },
{ key: { value: 'a' }, value: { value: 3 } }
])
expect(doc.toJS()).toBeInstanceOf(Array)
expect(doc.toJS()).toMatchObject([{ a: 1 }, { b: 2 }, { a: 3 }])
expect(String(doc)).toBe(src)
})
test('stringify', () => {
const doc = new YAML.Document(null, { version: '1.1' })
doc.contents = doc.createNode(
[
['a', 1],
['b', 2],
['a', 3]
],
{ tag: '!!pairs' }
)
expect(doc.contents.tag).toBe('tag:yaml.org,2002:pairs')
expect(String(doc)).toBe(`!!pairs\n- a: 1\n- b: 2\n- a: 3\n`)
})
})
describe('!!omap', () => {
for (const { name, src } of [
{ name: 'parse block seq', src: `!!omap\n- a: 1\n- b: 2\n- c: 3\n` },
{ name: 'parse flow seq', src: `!!omap [ a: 1, b: 2, c: 3 ]\n` }
])
test(name, () => {
const doc = YAML.parseDocument(src, { version: '1.1' })
expect(doc.contents.constructor.tag).toBe('tag:yaml.org,2002:omap')
expect(doc.toJS()).toBeInstanceOf(Map)
expect(doc.toJS()).toMatchObject(
new Map([
['a', 1],
['b', 2],
['c', 3]
])
)
expect(String(doc)).toBe(src)
})
test('require unique keys', () => {
const src = `!!omap\n- a: 1\n- b: 2\n- b: 9\n`
const doc = YAML.parseDocument(src, {
prettyErrors: false,
version: '1.1'
})
expect(doc.errors).toMatchObject([
{
name: 'YAMLParseError',
message: 'Ordered maps must not include duplicate keys: b'
}
])
})
test('stringify Map', () => {
const map = new Map([
['a', 1],
['b', 2],
['c', 3]
])
const str = YAML.stringify(map, { version: '1.1' })
expect(str).toBe(`!!omap\n- a: 1\n- b: 2\n- c: 3\n`)
const str2 = YAML.stringify(map)
expect(str2).toBe(`a: 1\nb: 2\nc: 3\n`)
})
test('stringify Array', () => {
const doc = new YAML.Document(null, { version: '1.1' })
doc.contents = doc.createNode(
[
['a', 1],
['b', 2],
['a', 3]
],
{ tag: '!!omap' }
)
expect(doc.contents.constructor.tag).toBe('tag:yaml.org,2002:omap')
expect(String(doc)).toBe(`!!omap\n- a: 1\n- b: 2\n- a: 3\n`)
})
})
describe('!!set', () => {
for (const { name, src } of [
{ name: 'parse block map', src: `!!set\n? a\n? b\n? c\n` },
{ name: 'parse flow map', src: `!!set { a, b, c }\n` }
])
test(name, () => {
const doc = YAML.parseDocument(src, { version: '1.1' })
expect(doc.contents.constructor.tag).toBe('tag:yaml.org,2002:set')
expect(doc.toJS()).toBeInstanceOf(Set)
expect(doc.toJS()).toMatchObject(new Set(['a', 'b', 'c']))
expect(String(doc)).toBe(src)
})
test('require null values', () => {
const src = `!!set\n? a\n? b\nc: d\n`
const doc = YAML.parseDocument(src, {
prettyErrors: false,
version: '1.1'
})
expect(doc.errors).toMatchObject([
{
name: 'YAMLParseError',
message: 'Set items must all have null values'
}
])
})
test('stringify', () => {
const set = new Set(['a', 'b', 'c'])
const str = YAML.stringify(set, { version: '1.1' })
expect(str).toBe(`!!set\n? a\n? b\n? c\n`)
const str2 = YAML.stringify(set)
expect(str2).toBe(`- a\n- b\n- c\n`)
})
test('eemeli/yaml#78', () => {
const set = new Set(['a', 'b', 'c'])
const str = YAML.stringify({ set }, { version: '1.1' })
expect(str).toBe(source`
set: !!set
? a
? b
? c
`)
})
})
describe('!!merge', () => {
test('alias', () => {
const src = '- &a { a: A, b: B }\n- { <<: *a, b: X }\n'
const doc = YAML.parseDocument(src, { version: '1.1' })
expect(doc.toJS()).toMatchObject([
{ a: 'A', b: 'B' },
{ a: 'A', b: 'X' }
])
expect(doc.toString()).toBe(src)
})
test('alias sequence', () => {
const src =
'- &a { a: A, b: B, c: C }\n- &b { a: X }\n- { <<: [ *b, *a ], b: X }\n'
const doc = YAML.parseDocument(src, { version: '1.1' })
expect(doc.toJS()).toMatchObject([
{ a: 'A', b: 'B' },
{ a: 'X' },
{ a: 'X', b: 'X', c: 'C' }
])
expect(doc.toString()).toBe(src)
})
test('explicit creation', () => {
const src = '- { a: A, b: B }\n- { b: X }\n'
const doc = YAML.parseDocument(src, { version: '1.1' })
const alias = doc.createAlias(doc.get(0), 'a')
doc.addIn([1], doc.createPair('<<', alias))
expect(doc.toString()).toBe('- &a { a: A, b: B }\n- { b: X, <<: *a }\n')
expect(doc.toJS()).toMatchObject([
{ a: 'A', b: 'B' },
{ a: 'A', b: 'X' }
])
})
test('creation by duck typing', () => {
const src = '- { a: A, b: B }\n- { b: X }\n'
const doc = YAML.parseDocument(src, { version: '1.1' })
const alias = doc.createAlias(doc.get(0), 'a')
doc.addIn([1], doc.createPair('<<', alias))
expect(doc.toString()).toBe('- &a { a: A, b: B }\n- { b: X, <<: *a }\n')
expect(doc.toJS()).toMatchObject([
{ a: 'A', b: 'B' },
{ a: 'A', b: 'X' }
])
})
})
})
describe('custom tags', () => {
describe('local', () => {
const src = source`
%TAG !e! tag:example.com,2000:test/
---
!e!x
- !y 2
- !e!z 3
- !<tag:example.com,2000:other/w> 4
- '5'
`
test('parse', () => {
const doc = YAML.parseDocument(src)
expect(doc.contents).toBeInstanceOf(YAMLSeq)
expect(doc.contents.tag).toBe('tag:example.com,2000:test/x')
const { items } = doc.contents
expect(items).toHaveLength(4)
items.forEach(item => expect(typeof item.value).toBe('string'))
expect(items[0].tag).toBe('!y')
expect(items[1].tag).toBe('tag:example.com,2000:test/z')
expect(items[2].tag).toBe('tag:example.com,2000:other/w')
})
test('stringify', () => {
const doc = YAML.parseDocument(src)
expect(String(doc)).toBe(source`
%TAG !e! tag:example.com,2000:test/
---
!e!x
- !y "2"
- !e!z "3"
- !<tag:example.com,2000:other/w> "4"
- '5'
`)
})
test('modify', () => {
const doc = YAML.parseDocument(src)
const prefix = 'tag:example.com,2000:other/'
doc.directives.tags['!f!'] = prefix
expect(doc.directives.tags).toMatchObject({
'!!': 'tag:yaml.org,2002:',
'!e!': 'tag:example.com,2000:test/',
'!f!': prefix
})
doc.contents.commentBefore = 'c'
doc.contents.items[3].comment = 'cc'
const s = new Scalar(6)
s.tag = '!g'
doc.contents.items.splice(1, 1, s, '7')
expect(String(doc)).toBe(source`
%TAG !e! tag:example.com,2000:test/
%TAG !f! tag:example.com,2000:other/
---
#c
!e!x
- !y "2"
- !g 6
- "7"
- !f!w "4"
- '5' #cc
`)
})
})
describe('!!binary', () => {
const src = `!!binary |
R0lGODlhDAAMAIQAAP//9/X17unp5WZmZgAAAOfn515eXvPz7Y6OjuDg4J+fn5
OTk6enp56enmlpaWNjY6Ojo4SEhP/++f/++f/++f/++f/++f/++f/++f/++f/+
+f/++f/++f/++f/++f/++SH+Dk1hZGUgd2l0aCBHSU1QACwAAAAADAAMAAAFLC
AgjoEwnuNAFOhpEMTRiggcz4BNJHrv/zCFcLiwMWYNG84BwwEeECcgggoBADs=`
test('tag string in tags', () => {
const bin = YAML.parse(src, { customTags: ['binary'] })
expect(bin).toBeInstanceOf(Uint8Array)
})
test('tag string in tag array', () => {
const bin = YAML.parse(src, { customTags: [['binary']] })
expect(bin).toBeInstanceOf(Uint8Array)
})
test('custom tags from function', () => {
const customTags = tags => tags.concat('binary')
const bin = YAML.parse(src, { customTags })
expect(bin).toBeInstanceOf(Uint8Array)
})
test('no custom tag object', () => {
const bin = YAML.parse(src)
expect(bin).toBeInstanceOf(Uint8Array)
})
})
const regexp = {
identify: value => value instanceof RegExp,
tag: '!re',
resolve(str) {
const match = str.match(/^\/([\s\S]+)\/([gimuy]*)$/)
return new RegExp(match[1], match[2])
}
}
const sharedSymbol = {
identify: value => value.constructor === Symbol,
tag: '!symbol/shared',
resolve: str => Symbol.for(str),
stringify(item, ctx, onComment, onChompKeep) {
const key = Symbol.keyFor(item.value)
if (key === undefined)
throw new Error('Only shared symbols are supported')
return stringifyString({ value: key }, ctx, onComment, onChompKeep)
}
}
describe('RegExp', () => {
test('stringify as plain scalar', () => {
const str = YAML.stringify(/re/g, { customTags: [regexp] })
expect(str).toBe('!re /re/g\n')
const res = YAML.parse(str, { customTags: [regexp] })
expect(res).toBeInstanceOf(RegExp)
})
test('stringify as quoted scalar', () => {
const str = YAML.stringify(/re: /g, { customTags: [regexp] })
expect(str).toBe('!re "/re: /g"\n')
const res = YAML.parse(str, { customTags: [regexp] })
expect(res).toBeInstanceOf(RegExp)
})
test('parse plain string as string', () => {
const res = YAML.parse('/re/g', { customTags: [regexp] })
expect(res).toBe('/re/g')
})
test('parse quoted string as string', () => {
const res = YAML.parse('"/re/g"', { customTags: [regexp] })
expect(res).toBe('/re/g')
})
})
describe('Symbol', () => {
test('stringify as plain scalar', () => {
const symbol = Symbol.for('foo')
const str = YAML.stringify(symbol, { customTags: [sharedSymbol] })
expect(str).toBe('!symbol/shared foo\n')
const res = YAML.parse(str, { customTags: [sharedSymbol] })
expect(res).toBe(symbol)
})
test('stringify as block scalar', () => {
const symbol = Symbol.for('foo\nbar')
const str = YAML.stringify(symbol, { customTags: [sharedSymbol] })
expect(str).toBe('!symbol/shared |-\nfoo\nbar\n')
const res = YAML.parse(str, { customTags: [sharedSymbol] })
expect(res).toBe(symbol)
})
})
test('array within customTags', () => {