bsky-app/__tests__/lib/link-meta.test.ts

147 lines
3.7 KiB
TypeScript

import {LikelyType, getLinkMeta, getLikelyType} from '../../src/lib/link-meta'
const exampleComHtml = `<!doctype html>
<html>
<head>
<title>Example Domain</title>
<meta name="description" content="An example website">
<meta charset="utf-8" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
body {
background-color: #f0f0f2;
margin: 0;
padding: 0;
font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
div {
width: 600px;
margin: 5em auto;
padding: 2em;
background-color: #fdfdff;
border-radius: 0.5em;
box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
}
a:link, a:visited {
color: #38488f;
text-decoration: none;
}
@media (max-width: 700px) {
div {
margin: 0 auto;
width: auto;
}
}
</style>
</head>
<body>
<div>
<h1>Example Domain</h1>
<p>This domain is for use in illustrative examples in documents. You may use this
domain in literature without prior coordination or asking for permission.</p>
<p><a href="https://www.iana.org/domains/example">More information...</a></p>
</div>
</body>
</html>`
describe('getLinkMeta', () => {
const inputs = [
'',
'httpbadurl',
'https://example.com',
'https://example.com/index.html',
'https://example.com/image.png',
'https://example.com/video.avi',
'https://example.com/audio.ogg',
'https://example.com/text.txt',
'https://example.com/javascript.js',
'https://bsky.app/index.html',
]
const outputs = [
{
error: 'Invalid URL',
likelyType: LikelyType.Other,
url: '',
},
{
error: 'Invalid URL',
likelyType: LikelyType.Other,
url: 'httpbadurl',
},
{
likelyType: LikelyType.HTML,
url: 'https://example.com',
title: 'Example Domain',
description: 'An example website',
},
{
likelyType: LikelyType.HTML,
url: 'https://example.com/index.html',
title: 'Example Domain',
description: 'An example website',
},
{
likelyType: LikelyType.Image,
url: 'https://example.com/image.png',
},
{
likelyType: LikelyType.Video,
url: 'https://example.com/video.avi',
},
{
likelyType: LikelyType.Audio,
url: 'https://example.com/audio.ogg',
},
{
likelyType: LikelyType.Text,
url: 'https://example.com/text.txt',
},
{
likelyType: LikelyType.Other,
url: 'https://example.com/javascript.js',
},
{
likelyType: LikelyType.AtpData,
url: '/index.html',
title: 'Not found',
},
{
likelyType: LikelyType.Other,
url: '',
title: '',
},
]
it('correctly handles a set of text inputs', async () => {
for (let i = 0; i < inputs.length; i++) {
global.fetch = jest.fn().mockImplementationOnce(() => {
return new Promise((resolve, _reject) => {
resolve({
ok: true,
status: 200,
text: () => exampleComHtml,
})
})
})
const input = inputs[i]
const output = await getLinkMeta(input)
expect(output).toEqual(outputs[i])
}
})
})
describe('getLikelyType', () => {
it('correctly handles non-parsed url', async () => {
const output = await getLikelyType('https://example.com')
expect(output).toEqual(LikelyType.HTML)
})
it('handles non-string urls without crashing', async () => {
const output = await getLikelyType('123')
expect(output).toEqual(LikelyType.Other)
})
})