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snapshot-inline.test.ts
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snapshot-inline.test.ts
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import { expect, test } from 'vitest'
test('object', () => {
expect({
foo: {
type: 'object',
map: new Map(),
},
})
.toMatchInlineSnapshot(`
{
"foo": {
"map": Map {},
"type": "object",
},
}
`)
})
test('single line', () => {
expect('inline string').toMatchInlineSnapshot('"inline string"')
expect('inline $ string').toMatchInlineSnapshot('"inline $ string"')
expect('inline multiline\n $string').toMatchInlineSnapshot(`
"inline multiline
$string"
`)
// eslint-disable-next-line no-template-curly-in-string
expect('inline multiline\n ${string}').toMatchInlineSnapshot(`
"inline multiline
\${string}"
`)
})
test('multiline', () => {
const indent = `
()=>
array
.map(fn)
.filter(fn)
`
expect(indent).toMatchInlineSnapshot(`
"
()=>
array
.map(fn)
.filter(fn)
"
`)
})
test('template literal', () => {
const literal = `
Hello \${world}
`
expect(literal).toMatchInlineSnapshot(`
"
Hello \${world}
"
`)
})
test('throwing inline snapshots', async () => {
expect(() => {
throw new Error('omega')
}).toThrowErrorMatchingInlineSnapshot(`[Error: omega]`)
expect(() => {
// eslint-disable-next-line no-throw-literal
throw 'omega'
}).toThrowErrorMatchingInlineSnapshot('"omega"')
expect(() => {
// eslint-disable-next-line no-throw-literal
throw { error: 'omega' }
}).toThrowErrorMatchingInlineSnapshot(`
{
"error": "omega",
}
`)
expect(() => {
// eslint-disable-next-line no-throw-literal
throw { some: { nested: { error: 'object' } } }
}).toThrowErrorMatchingInlineSnapshot(`
{
"some": {
"nested": {
"error": "object",
},
},
}
`)
expect(() => {
throw ['Inline', 'snapshot', 'with', 'newlines'].join('\n')
}).toThrowErrorMatchingInlineSnapshot(`
"Inline
snapshot
with
newlines"
`)
expect(() => {
throw new Error(['Inline', 'snapshot', 'with', 'newlines'].join('\n'))
}).toThrowErrorMatchingInlineSnapshot(`
[Error: Inline
snapshot
with
newlines]
`)
expect(new Error(['Inline', 'snapshot', 'with', 'newlines'].join('\n'))).toMatchInlineSnapshot(`
[Error: Inline
snapshot
with
newlines]
`)
await expect(async () => {
throw new Error('omega')
}).rejects.toThrowErrorMatchingInlineSnapshot(`[Error: omega]`)
})
test('throwing expect should be a function', async () => {
expect(() => {
expect(new Error('omega')).toThrowErrorMatchingInlineSnapshot()
}).toThrow(/expected must be a function/)
})
test('properties inline snapshot', () => {
const user = {
createdAt: new Date(),
id: Math.floor(Math.random() * 20),
name: 'LeBron James',
}
expect(user).toMatchInlineSnapshot({
createdAt: expect.any(Date),
id: expect.any(Number),
}, `
{
"createdAt": Any<Date>,
"id": Any<Number>,
"name": "LeBron James",
}
`)
})
test('literal tag', () => {
const html = String.raw
const text = `
<body>
<h1>My First Heading.</h1>
<p>My first paragraph.</p>
</body>
`
expect(text).toMatchInlineSnapshot(html`
"
<body>
<h1>My First Heading.</h1>
<p>My first paragraph.</p>
</body>
"
`)
})
test('resolves', async () => {
const getText = async () => 'text'
await expect(getText()).resolves.toMatchInlineSnapshot('"text"')
})
test('rejects', async () => {
const getText = async () => {
throw new Error('error')
}
await expect(getText()).rejects.toMatchInlineSnapshot('[Error: error]')
})