bsky-app/__tests__/lib/extractMetaHtml.test.ts

71 lines
2.4 KiB
TypeScript

import {extractHtmlMeta} from '../../src/lib/extractHtmlMeta'
import {exampleComHtml} from './__mocks__/exampleComHtml'
import {youtubeHTML} from './__mocks__/youtubeHtml'
describe('extractHtmlMeta', () => {
const cases = [
['', {}],
['nothing', {}],
['<title>title</title>', {title: 'title'}],
['<title> aSd!@#AC </title>', {title: 'aSd!@#AC'}],
['<title>\n title\n </title>', {title: 'title'}],
['<meta name="title" content="meta title">', {title: 'meta title'}],
[
'<meta name="description" content="meta description">',
{description: 'meta description'},
],
['<meta property="og:title" content="og title">', {title: 'og title'}],
[
'<meta property="og:description" content="og description">',
{description: 'og description'},
],
[
'<meta property="og:image" content="https://ogimage.com/foo.png">',
{image: 'https://ogimage.com/foo.png'},
],
[
'<meta property="twitter:title" content="twitter title">',
{title: 'twitter title'},
],
[
'<meta property="twitter:description" content="twitter description">',
{description: 'twitter description'},
],
[
'<meta property="twitter:image" content="https://twitterimage.com/foo.png">',
{image: 'https://twitterimage.com/foo.png'},
],
['<meta\n name="title"\n content="meta title"\n>', {title: 'meta title'}],
]
it.each(cases)(
'given the html tag %p, returns %p',
(input, expectedResult) => {
const output = extractHtmlMeta(input)
expect(output).toEqual(expectedResult)
},
)
it('extracts title and description from a generic HTML page', () => {
const input = exampleComHtml
const expectedOutput = {
title: 'Example Domain',
description: 'An example website',
}
const output = extractHtmlMeta(input)
expect(output).toEqual(expectedOutput)
})
it('extracts title and description from a generic youtube page', () => {
const input = youtubeHTML
const expectedOutput = {
title: 'HD Video (1080p) with Relaxing Music of Native American Shamans',
description:
'Stunning HD Video ( 1080p ) of Patagonian Nature with Relaxing Native American Shamanic Music. HD footage used from ',
image: 'https://i.ytimg.com/vi/x6UITRjhijI/sddefault.jpg',
}
const output = extractHtmlMeta(input)
expect(output).toEqual(expectedOutput)
})
})