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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| /* eslint-disable jest/no-done-callback */ | ||
| import * as cheerio from './node.js'; | ||
| import { Writable } from 'node:stream'; | ||
| import { createServer, type Server } from 'node:http'; | ||
|
|
||
| function noop() { | ||
| // Ignore | ||
| } | ||
|
|
||
| const TEST_HTML = '<h1>Hello World</h1>'; | ||
| const TEST_HTML_UTF16 = Buffer.from(TEST_HTML, 'utf16le'); | ||
| const TEST_HTML_UTF16_BOM = Buffer.from([ | ||
| // UTF16-LE BOM | ||
| 0xff, | ||
| 0xfe, | ||
| ...Array.from(TEST_HTML_UTF16), | ||
| ]); | ||
|
|
||
| describe('loadBuffer', () => { | ||
| it('should parse UTF-8 HTML', () => { | ||
| const $ = cheerio.loadBuffer(Buffer.from(TEST_HTML)); | ||
|
|
||
| expect($.html()).toBe( | ||
| `<html><head></head><body>${TEST_HTML}</body></html>` | ||
| ); | ||
| }); | ||
|
|
||
| it('should parse UTF-16 HTML', () => { | ||
| const $ = cheerio.loadBuffer(TEST_HTML_UTF16_BOM); | ||
|
|
||
| expect($.html()).toBe( | ||
| `<html><head></head><body>${TEST_HTML}</body></html>` | ||
| ); | ||
| }); | ||
| }); | ||
|
|
||
| describe('stringStream', () => { | ||
| it('should use parse5 by default', (cb) => { | ||
| const stream = cheerio.stringStream({}, (err, $) => { | ||
| expect(err).toBeUndefined(); | ||
|
|
||
| expect($.html()).toBe( | ||
| `<html><head></head><body>${TEST_HTML}</body></html>` | ||
| ); | ||
|
|
||
| cb(); | ||
| }); | ||
| expect(stream).toBeInstanceOf(Writable); | ||
|
|
||
| stream.end(TEST_HTML); | ||
| }); | ||
|
|
||
| it('should error from parse5 on buffer', () => { | ||
| const stream = cheerio.stringStream({}, noop); | ||
| expect(stream).toBeInstanceOf(Writable); | ||
|
|
||
| expect(() => stream.write(Buffer.from(TEST_HTML))).toThrow( | ||
| 'Parser can work only with string streams.' | ||
| ); | ||
| }); | ||
|
|
||
| it('should use htmlparser2 for XML', (cb) => { | ||
| const stream = cheerio.stringStream({ xmlMode: true }, (err, $) => { | ||
| expect(err).toBeNull(); | ||
|
|
||
| expect($.html()).toBe(TEST_HTML); | ||
|
|
||
| cb(); | ||
| }); | ||
| expect(stream).toBeInstanceOf(Writable); | ||
|
|
||
| stream.end(TEST_HTML); | ||
| }); | ||
| }); | ||
|
|
||
| describe('decodeStream', () => { | ||
| it('should use parse5 by default', (cb) => { | ||
| const stream = cheerio.decodeStream({}, (err, $) => { | ||
| expect(err).toBeUndefined(); | ||
|
|
||
| expect($.html()).toBe( | ||
| `<html><head></head><body>${TEST_HTML}</body></html>` | ||
| ); | ||
|
|
||
| cb(); | ||
| }); | ||
| expect(stream).toBeInstanceOf(Writable); | ||
|
|
||
| stream.end(TEST_HTML_UTF16_BOM); | ||
| }); | ||
|
|
||
| it('should use htmlparser2 for XML', (cb) => { | ||
| const stream = cheerio.decodeStream({ xmlMode: true }, (err, $) => { | ||
| expect(err).toBeNull(); | ||
|
|
||
| expect($.html()).toBe(TEST_HTML); | ||
|
|
||
| cb(); | ||
| }); | ||
| expect(stream).toBeInstanceOf(Writable); | ||
|
|
||
| stream.end(TEST_HTML_UTF16_BOM); | ||
| }); | ||
| }); | ||
|
|
||
| describe('fromURL', () => { | ||
| let server: Server | undefined; | ||
|
|
||
| function createTestServer( | ||
| contentType: string, | ||
| body: string | Buffer | ||
| ): Promise<number> { | ||
| return new Promise((resolve, reject) => { | ||
| server = createServer((_req, res) => { | ||
| res.writeHead(200, { 'Content-Type': contentType }); | ||
| res.end(body); | ||
| }); | ||
|
|
||
| server.listen(0, () => { | ||
| const address = server?.address(); | ||
|
|
||
| if (typeof address === 'string' || address == null) { | ||
| reject(new Error('Failed to get port')); | ||
| } else { | ||
| resolve(address.port); | ||
| } | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| afterEach((cb) => { | ||
| server?.close(cb); | ||
| server = undefined; | ||
| }); | ||
|
|
||
| it('should fetch UTF-8 HTML', async () => { | ||
| const port = await createTestServer('text/html', TEST_HTML); | ||
| const $ = await cheerio.fromURL(`http://localhost:${port}`); | ||
|
|
||
| expect($.html()).toBe( | ||
| `<html><head></head><body>${TEST_HTML}</body></html>` | ||
| ); | ||
| }); | ||
|
|
||
| it('should fetch UTF-16 HTML', async () => { | ||
| const port = await createTestServer( | ||
| 'text/html; charset=utf-16le', | ||
| TEST_HTML_UTF16 | ||
| ); | ||
| const $ = await cheerio.fromURL(`http://localhost:${port}`); | ||
|
|
||
| expect($.html()).toBe( | ||
| `<html><head></head><body>${TEST_HTML}</body></html>` | ||
| ); | ||
| }); | ||
|
|
||
| it('should parse XML based on Content-Type', async () => { | ||
| const port = await createTestServer('text/xml', TEST_HTML); | ||
| const $ = await cheerio.fromURL(`http://localhost:${port}`); | ||
|
|
||
| expect($.html()).toBe(TEST_HTML); | ||
| }); | ||
| }); |
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