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crawl.test.js
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const {normalizeURL, getURLsFromHTML} = require('./crawl');
const {test, expect} = require('@jest/globals');
test('normalizeURL strip protocol', () => {
const input = 'https://blog.boot.dev/path'
const actual = normalizeURL(input)
const expected = 'blog.boot.dev/path'
expect(actual).toEqual(expected)
})
test('normalizeURL trailing slash', () => {
const input = 'https://blog.boot.dev/path/'
const actual = normalizeURL(input)
const expected = 'blog.boot.dev/path'
expect(actual).toEqual(expected)
})
test('normalizeURL capitals', () => {
const input = 'https://BLOG.boot.dev/path'
const actual = normalizeURL(input)
const expected = 'blog.boot.dev/path'
expect(actual).toEqual(expected)
})
test('normalizeURL strip http', () => {
const input = 'http://blog.boot.dev/path'
const actual = normalizeURL(input)
const expected = 'blog.boot.dev/path'
expect(actual).toEqual(expected)
})
test('getURLsFromHTML absolute', () => {
const inputHTMLBody = `
<html>
<body>
<a href="https://blog.boot.dev/path/">
Boot.dev Blog
</a>
</body>
</html>
`
const inputBaseURL = "https://blog.boot.dev/path/"
const actual = getURLsFromHTML(inputHTMLBody, inputBaseURL)
const expected = ["https://blog.boot.dev/path/"]
expect(actual).toEqual(expected)
})
test('getURLsFromHTML relative', () => {
const inputHTMLBody = `
<html>
<body>
<a href="/path/">
Boot.dev Blog
</a>
</body>
</html>
`
const inputBaseURL = "https://blog.boot.dev"
const actual = getURLsFromHTML(inputHTMLBody, inputBaseURL)
const expected = ["https://blog.boot.dev/path/"]
expect(actual).toEqual(expected)
})
test('getURLsFromHTML both', () => {
const inputHTMLBody = `
<html>
<body>
<a href="https://blog.boot.dev/path1/">
Boot.dev Blog Path 1
</a>
<a href="/path2/">
Boot.dev Blog Path 2
</a>
</body>
</html>
`
const inputBaseURL = "https://blog.boot.dev"
const actual = getURLsFromHTML(inputHTMLBody, inputBaseURL)
const expected = ["https://blog.boot.dev/path1/", "https://blog.boot.dev/path2/"]
expect(actual).toEqual(expected)
})
test('getURLsFromHTML Invalid', () => {
const inputHTMLBody = `
<html>
<body>
<a href="invalid">
Invalid URL
</a>
</body>
</html>
`
const inputBaseURL = "https://blog.boot.dev"
const actual = getURLsFromHTML(inputHTMLBody, inputBaseURL)
const expected = []
expect(actual).toEqual(expected)
})