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import {extractEntities, detectLinkables} from '../src/lib/strings'
describe('extractEntities', () => {
const knownHandles = new Set(['handle', 'full123.test-of-chars'])
const inputs = [
'no mention',
'@handle middle end',
'start @handle end',
'start middle @handle',
'@handle @handle @handle',
'@full123.test-of-chars',
'not@right',
'@handle!@#$chars',
'@handle\n@handle',
'start https://middle.com end',
'start https://middle.com/foo/bar end',
'start https://middle.com/foo/bar?baz=bux end',
'start https://middle.com/foo/bar?baz=bux#hash end',
'https://start.com/foo/bar?baz=bux#hash middle end',
'start middle https://end.com/foo/bar?baz=bux#hash',
'https://newline1.com\nhttps://newline2.com',
'start middle.com end',
'start middle.com/foo/bar end',
'start middle.com/foo/bar?baz=bux end',
'start middle.com/foo/bar?baz=bux#hash end',
'start.com/foo/bar?baz=bux#hash middle end',
'start middle end.com/foo/bar?baz=bux#hash',
'newline1.com\nnewline2.com',
]
interface Output {
type: string
value: string
noScheme?: boolean
}
const outputs: Output[][] = [
[],
[{type: 'mention', value: 'handle'}],
[{type: 'mention', value: 'handle'}],
[{type: 'mention', value: 'handle'}],
[
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle'},
],
[
{
type: 'mention',
value: 'full123.test-of-chars',
},
],
[],
[{type: 'mention', value: 'handle'}],
[
{type: 'mention', value: 'handle'},
{type: 'mention', value: 'handle'},
],
[{type: 'link', value: 'https://middle.com'}],
[{type: 'link', value: 'https://middle.com/foo/bar'}],
[{type: 'link', value: 'https://middle.com/foo/bar?baz=bux'}],
[{type: 'link', value: 'https://middle.com/foo/bar?baz=bux#hash'}],
[{type: 'link', value: 'https://start.com/foo/bar?baz=bux#hash'}],
[{type: 'link', value: 'https://end.com/foo/bar?baz=bux#hash'}],
[
{type: 'link', value: 'https://newline1.com'},
{type: 'link', value: 'https://newline2.com'},
],
[{type: 'link', value: 'middle.com', noScheme: true}],
[{type: 'link', value: 'middle.com/foo/bar', noScheme: true}],
[{type: 'link', value: 'middle.com/foo/bar?baz=bux', noScheme: true}],
[{type: 'link', value: 'middle.com/foo/bar?baz=bux#hash', noScheme: true}],
[{type: 'link', value: 'start.com/foo/bar?baz=bux#hash', noScheme: true}],
[{type: 'link', value: 'end.com/foo/bar?baz=bux#hash', noScheme: true}],
[
{type: 'link', value: 'newline1.com', noScheme: true},
{type: 'link', value: 'newline2.com', noScheme: true},
],
]
it('correctly handles a set of text inputs', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = extractEntities(input, knownHandles)
if (!outputs[i].length) {
expect(result).toBeFalsy()
} else if (outputs[i].length && !result) {
expect(result).toBeTruthy()
} else if (result) {
expect(result.length).toBe(outputs[i].length)
for (let j = 0; j < outputs[i].length; j++) {
expect(result[j].type).toEqual(outputs[i][j].type)
if (outputs[i][j].noScheme) {
expect(result[j].value).toEqual(`https://${outputs[i][j].value}`)
} else {
expect(result[j].value).toEqual(outputs[i][j].value)
}
if (outputs[i]?.[j].type === 'mention') {
expect(
input.slice(result[j].index.start, result[j].index.end),
).toBe(`@${result[j].value}`)
} else {
if (!outputs[i]?.[j].noScheme) {
expect(
input.slice(result[j].index.start, result[j].index.end),
).toBe(result[j].value)
} else {
expect(
input.slice(result[j].index.start, result[j].index.end),
).toBe(result[j].value.slice('https://'.length))
}
}
}
}
}
})
})
describe('detectLinkables', () => {
const inputs = [
'no linkable',
'@start middle end',
'start @middle end',
'start middle @end',
'@start @middle @end',
'@full123.test-of-chars',
'not@right',
'@bad!@#$chars',
'@newline1\n@newline2',
'start https://middle.com end',
'start https://middle.com/foo/bar end',
'start https://middle.com/foo/bar?baz=bux end',
'start https://middle.com/foo/bar?baz=bux#hash end',
'https://start.com/foo/bar?baz=bux#hash middle end',
'start middle https://end.com/foo/bar?baz=bux#hash',
'https://newline1.com\nhttps://newline2.com',
'start middle.com end',
'start middle.com/foo/bar end',
'start middle.com/foo/bar?baz=bux end',
'start middle.com/foo/bar?baz=bux#hash end',
'start.com/foo/bar?baz=bux#hash middle end',
'start middle end.com/foo/bar?baz=bux#hash',
'newline1.com\nnewline2.com',
]
const outputs = [
['no linkable'],
[{link: '@start'}, ' middle end'],
['start ', {link: '@middle'}, ' end'],
['start middle ', {link: '@end'}],
[{link: '@start'}, ' ', {link: '@middle'}, ' ', {link: '@end'}],
[{link: '@full123.test-of-chars'}],
['not@right'],
[{link: '@bad'}, '!@#$chars'],
[{link: '@newline1'}, '\n', {link: '@newline2'}],
['start ', {link: 'https://middle.com'}, ' end'],
['start ', {link: 'https://middle.com/foo/bar'}, ' end'],
['start ', {link: 'https://middle.com/foo/bar?baz=bux'}, ' end'],
['start ', {link: 'https://middle.com/foo/bar?baz=bux#hash'}, ' end'],
[{link: 'https://start.com/foo/bar?baz=bux#hash'}, ' middle end'],
['start middle ', {link: 'https://end.com/foo/bar?baz=bux#hash'}],
[{link: 'https://newline1.com'}, '\n', {link: 'https://newline2.com'}],
['start ', {link: 'middle.com'}, ' end'],
['start ', {link: 'middle.com/foo/bar'}, ' end'],
['start ', {link: 'middle.com/foo/bar?baz=bux'}, ' end'],
['start ', {link: 'middle.com/foo/bar?baz=bux#hash'}, ' end'],
[{link: 'start.com/foo/bar?baz=bux#hash'}, ' middle end'],
['start middle ', {link: 'end.com/foo/bar?baz=bux#hash'}],
[{link: 'newline1.com'}, '\n', {link: 'newline2.com'}],
]
it('correctly handles a set of text inputs', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const output = detectLinkables(input)
expect(output).toEqual(outputs[i])
}
})
})
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