99 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
/**
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 * Copyright (c) 2014-present Matt Zabriskie
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 * Modifications copyright (c) Microsoft Corporation.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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import { contextTest as it, expect } from '../config/browserTest';
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import util from 'util';
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import zlib from 'zlib';
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const gzip = util.promisify(zlib.gzip);
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const deflate = util.promisify(zlib.deflate);
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const brotliCompress = util.promisify(zlib.brotliCompress);
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it.skip(({ mode }) => mode !== 'default');
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it.describe('algorithms', () => {
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  const responseBody = 'str';
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  for (const [type, zipped] of Object.entries({
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    gzip: gzip(responseBody),
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    deflate: deflate(responseBody),
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    br: brotliCompress(responseBody)
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  })) {
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    it.describe(`${type} decompression`, () => {
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      it(`should support decompression`, async ({ context, server }) => {
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        server.setRoute('/compressed', async (req, res) => {
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          res.setHeader('Content-Encoding', type);
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          res.end(await zipped);
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        });
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        const response = await context.request.get(server.PREFIX + '/compressed');
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        expect(await response.text()).toEqual(responseBody);
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      });
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      it(`should not fail if response content-length header is missing (${type})`, async ({ context, server }) => {
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        server.setRoute('/compressed', async (req, res) => {
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          res.setHeader('Content-Encoding', type);
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          res.removeHeader('Content-Length');
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          res.end(await zipped);
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        });
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        const response = await context.request.get(server.PREFIX + '/compressed');
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        expect(await response.text()).toEqual(responseBody);
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      });
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      it('should not fail with chunked responses (without Content-Length header)', async ({ context, server }) => {
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        server.setRoute('/compressed', async (req, res) => {
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          res.setHeader('Content-Encoding', type);
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          res.setHeader('Transfer-Encoding', 'chunked');
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          res.removeHeader('Content-Length');
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          res.write(await zipped);
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          res.end();
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        });
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        const response = await context.request.get(server.PREFIX + '/compressed');
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        expect(await response.text()).toEqual(responseBody);
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      });
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      it('should not fail with an empty response without content-length header (Z_BUF_ERROR)', async ({ context, server }) => {
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        server.setRoute('/compressed', async (req, res) => {
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          res.setHeader('Content-Encoding', type);
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          res.removeHeader('Content-Length');
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          res.end();
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        });
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        const response = await context.request.get(server.PREFIX + '/compressed');
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        expect(await response.text()).toEqual('');
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      });
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      it('should not fail with an empty response with content-length header (Z_BUF_ERROR)', async ({ context, server }) => {
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        server.setRoute('/compressed', async (req, res) => {
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          res.setHeader('Content-Encoding', type);
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          res.end();
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        });
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        await context.request.get(server.PREFIX + '/compressed');
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      });
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    });
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  }
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});
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