Pinafore-Web-Client-Frontend/tests/unit/test-emoji.js

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/* global describe, it */
import { replaceEmoji } from '../../src/routes/_utils/replaceEmoji'
import assert from 'assert'
const mindBlown = String.fromCodePoint(0x1F92F)
const elephant = String.fromCodePoint(0x1F418)
const womanBowing = [0x1f647, 0x200d, 0x2640, 0xfe0f].map(_ => String.fromCodePoint(_)).join('')
describe('test-emoji.js', function () {
it('does emoji replacement correctly', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
replaceEmoji('hello world', replacer),
'hello world'
)
assert.strictEqual(
replaceEmoji(`${mindBlown}`, replacer),
`<div>${mindBlown}</div>`
)
assert.strictEqual(
replaceEmoji(`${mindBlown} ${elephant}`, replacer),
`<div>${mindBlown}</div> <div>${elephant}</div>`
)
assert.strictEqual(
replaceEmoji(`${elephant} woot ${mindBlown}`, replacer),
`<div>${elephant}</div> woot <div>${mindBlown}</div>`
)
assert.strictEqual(
replaceEmoji(`woot ${mindBlown}`, replacer),
`woot <div>${mindBlown}</div>`
)
assert.strictEqual(
replaceEmoji(`${mindBlown} woot`, replacer),
`<div>${mindBlown}</div> woot`
)
})
it('handles multi-code emoji', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
replaceEmoji(`hello ${womanBowing}`, replacer),
`hello <div>${womanBowing}</div>`
)
})
it('handles emoji mixed with custom emoji', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
replaceEmoji(`hello ${womanBowing} and :blobpats: and ${elephant}`, replacer),
`hello <div>${womanBowing}</div> and :blobpats: and <div>${elephant}</div>`
)
})
it('handles sequential emoji', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
replaceEmoji(`${elephant}${elephant}${womanBowing}${mindBlown}`, replacer),
`<div>${elephant}</div><div>${elephant}</div><div>${womanBowing}</div><div>${mindBlown}</div>`
)
})
it('does not replace non-emoji characters', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
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replaceEmoji('it\'s over #9000', replacer),
'it\'s over #9000'
)
assert.strictEqual(
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replaceEmoji('woot !@#$%^&*()~' + '`' + '{[}]:;"\'<,>.?/£™℠®', replacer),
'woot !@#$%^&*()~' + '`' + '{[}]:;"\'<,>.?/£™℠®'
)
assert.strictEqual(
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replaceEmoji('woot !@#$%^&*()~' + '`' + '{[}]:;"\'<,>.?/£™℠®', replacer),
'woot !@#$%^&*()~' + '`' + '{[}]:;"\'<,>.?/£™℠®'
)
// hidden VARIATION SELECTOR character is in here
assert.strictEqual(
replaceEmoji("<p>It's shapes™ ... continued</p>", replacer),
"<p>It's shapes™ ... continued</p>"
)
})
it('does not replace emoji inside HTML tags', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
replaceEmoji(`check this cool link: <a href='http://example.com?q=${mindBlown}'>link</a>`, replacer),
`check this cool link: <a href='http://example.com?q=${mindBlown}'>link</a>`
)
assert.strictEqual(
replaceEmoji(
`<a href='http://foo.com?q=${mindBlown}'>link</a> and <a href='http://foo.com?q=${mindBlown}'>link</a>`,
replacer
),
`<a href='http://foo.com?q=${mindBlown}'>link</a> and <a href='http://foo.com?q=${mindBlown}'>link</a>`
)
assert.strictEqual(
replaceEmoji(
`<a href='http://foo.com?q=${mindBlown}'>link</a> and ${mindBlown}`,
replacer
),
`<a href='http://foo.com?q=${mindBlown}'>link</a> and <div>${mindBlown}</div>`
)
assert.strictEqual(
replaceEmoji(
`<a href='http://foo.com?q=${mindBlown}'>link</a> and ${mindBlown} and ` +
`<a href='http://foo.com?q=${mindBlown}'>link</a>`,
replacer
),
`<a href='http://foo.com?q=${mindBlown}'>link</a> and <div>${mindBlown}</div> and ` +
`<a href='http://foo.com?q=${mindBlown}'>link</a>`
)
})
it('removes emoji', function () {
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const replacer = _ => ''
assert.strictEqual(
replaceEmoji(`woot ${mindBlown}`, replacer),
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'woot '
)
assert.strictEqual(
replaceEmoji(`woot ${mindBlown} woot`, replacer),
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'woot woot'
)
assert.strictEqual(
replaceEmoji(`woot ${mindBlown}${elephant}`, replacer),
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'woot '
)
assert.strictEqual(
replaceEmoji(`woot ${mindBlown}${elephant} woot`, replacer),
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'woot woot'
)
})
it('can handle a dangling left angle bracket for some reason', function () {
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const replacer = _ => `<div>${_}</div>`
assert.strictEqual(
replaceEmoji(`woot ${mindBlown} <`, replacer),
`woot <div>${mindBlown}</div> <`
)
assert.strictEqual(
replaceEmoji(`woot ${mindBlown} <hahahahaha`, replacer),
`woot <div>${mindBlown}</div> <hahahahaha`
)
assert.strictEqual(
replaceEmoji(`<woot ${mindBlown} <hahahahaha`, replacer),
`<woot ${mindBlown} <hahahahaha`
)
})
})