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crawl.test.js
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const { normalizeURL, getURLsFromHTML } = require('./crawl.js')
const { test, expect } = require('@jest/globals')
// import { test, expect } from ('@jest/globals')
// import { normalizeURL } from "./crawl";
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 strip 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/">
Boot.dev Blog
</a>
</body>
</html>
`
const inputBaseURL = 'https://blog.boot.dev';
const actual = getURLsFromHTML(inputHTMLBody, inputBaseURL);
const expected = ["https://blog.boot.dev/"];
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);
})