mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
28797dee41
This CL migrates all the tests to TypeScript. The main benefits of this is that we start consuming our TypeScript definitions and therefore find errors in them. The act of migrating found some bugs in our definitions and now we can be sure to avoid them going forwards. You'll notice the addition of some `TODO`s in the code; I didn't want this CL to get any bigger than it already is but I intend to follow those up once this lands. It's mostly figuring out how to extend the `expect` types with our `toBeGolden` helpers and some other slight confusions with types that the tests exposed. Co-authored-by: Mathias Bynens <mathias@qiwi.be>
707 lines
25 KiB
TypeScript
707 lines
25 KiB
TypeScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import fs from 'fs';
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import path from 'path';
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import utils from './utils';
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import expect from 'expect';
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import {
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getTestState,
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setupTestBrowserHooks,
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setupTestPageAndContextHooks,
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describeFailsFirefox,
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} from './mocha-utils';
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describe('request interception', function () {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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describeFailsFirefox('Page.setRequestInterception', function () {
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it('should intercept', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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if (utils.isFavicon(request)) {
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request.continue();
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return;
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}
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expect(request.url()).toContain('empty.html');
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expect(request.headers()['user-agent']).toBeTruthy();
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expect(request.method()).toBe('GET');
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expect(request.postData()).toBe(undefined);
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expect(request.isNavigationRequest()).toBe(true);
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expect(request.resourceType()).toBe('document');
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expect(request.frame() === page.mainFrame()).toBe(true);
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expect(request.frame().url()).toBe('about:blank');
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request.continue();
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.ok()).toBe(true);
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expect(response.remoteAddress().port).toBe(server.PORT);
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});
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it('should work when POST is redirected with 302', async () => {
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const { page, server } = getTestState();
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server.setRedirect('/rredirect', '/empty.html');
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await page.goto(server.EMPTY_PAGE);
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await page.setRequestInterception(true);
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page.on('request', (request) => request.continue());
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await page.setContent(`
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<form action='/rredirect' method='post'>
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<input type="hidden" id="foo" name="foo" value="FOOBAR">
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</form>
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`);
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await Promise.all([
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page.$eval('form', (form) => form.submit()),
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page.waitForNavigation(),
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]);
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});
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// @see https://github.com/puppeteer/puppeteer/issues/3973
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it('should work when header manipulation headers with redirect', async () => {
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const { page, server } = getTestState();
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server.setRedirect('/rrredirect', '/empty.html');
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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const headers = Object.assign({}, request.headers(), {
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foo: 'bar',
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});
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request.continue({ headers });
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});
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await page.goto(server.PREFIX + '/rrredirect');
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});
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// @see https://github.com/puppeteer/puppeteer/issues/4743
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it('should be able to remove headers', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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const headers = Object.assign({}, request.headers(), {
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foo: 'bar',
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origin: undefined, // remove "origin" header
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});
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request.continue({ headers });
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});
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const [serverRequest] = await Promise.all([
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server.waitForRequest('/empty.html'),
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page.goto(server.PREFIX + '/empty.html'),
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]);
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expect(serverRequest.headers.origin).toBe(undefined);
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});
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it('should contain referer header', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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if (!utils.isFavicon(request)) requests.push(request);
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request.continue();
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});
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await page.goto(server.PREFIX + '/one-style.html');
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expect(requests[1].url()).toContain('/one-style.css');
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expect(requests[1].headers().referer).toContain('/one-style.html');
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});
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it('should properly return navigation response when URL has cookies', async () => {
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const { page, server } = getTestState();
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// Setup cookie.
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await page.goto(server.EMPTY_PAGE);
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await page.setCookie({ name: 'foo', value: 'bar' });
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// Setup request interception.
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await page.setRequestInterception(true);
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page.on('request', (request) => request.continue());
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const response = await page.reload();
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expect(response.status()).toBe(200);
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});
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it('should stop intercepting', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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page.once('request', (request) => request.continue());
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await page.goto(server.EMPTY_PAGE);
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await page.setRequestInterception(false);
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await page.goto(server.EMPTY_PAGE);
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});
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it('should show custom HTTP headers', async () => {
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const { page, server } = getTestState();
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await page.setExtraHTTPHeaders({
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foo: 'bar',
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});
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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expect(request.headers()['foo']).toBe('bar');
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request.continue();
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.ok()).toBe(true);
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});
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// @see https://github.com/puppeteer/puppeteer/issues/4337
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it('should work with redirect inside sync XHR', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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server.setRedirect('/logo.png', '/pptr.png');
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await page.setRequestInterception(true);
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page.on('request', (request) => request.continue());
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const status = await page.evaluate(async () => {
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const request = new XMLHttpRequest();
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request.open('GET', '/logo.png', false); // `false` makes the request synchronous
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request.send(null);
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return request.status;
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});
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expect(status).toBe(200);
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});
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it('should work with custom referer headers', async () => {
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const { page, server } = getTestState();
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await page.setExtraHTTPHeaders({ referer: server.EMPTY_PAGE });
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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expect(request.headers()['referer']).toBe(server.EMPTY_PAGE);
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request.continue();
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});
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const response = await page.goto(server.EMPTY_PAGE);
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expect(response.ok()).toBe(true);
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});
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it('should be abortable', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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if (request.url().endsWith('.css')) request.abort();
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else request.continue();
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});
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let failedRequests = 0;
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page.on('requestfailed', () => ++failedRequests);
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const response = await page.goto(server.PREFIX + '/one-style.html');
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expect(response.ok()).toBe(true);
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expect(response.request().failure()).toBe(null);
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expect(failedRequests).toBe(1);
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});
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it('should be abortable with custom error codes', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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page.on('request', (request) => {
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request.abort('internetdisconnected');
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});
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let failedRequest = null;
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page.on('requestfailed', (request) => (failedRequest = request));
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await page.goto(server.EMPTY_PAGE).catch(() => {});
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expect(failedRequest).toBeTruthy();
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expect(failedRequest.failure().errorText).toBe(
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'net::ERR_INTERNET_DISCONNECTED'
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);
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});
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it('should send referer', async () => {
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const { page, server } = getTestState();
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await page.setExtraHTTPHeaders({
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referer: 'http://google.com/',
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});
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await page.setRequestInterception(true);
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page.on('request', (request) => request.continue());
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const [request] = await Promise.all([
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server.waitForRequest('/grid.html'),
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page.goto(server.PREFIX + '/grid.html'),
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]);
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expect(request.headers['referer']).toBe('http://google.com/');
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});
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it('should fail navigation when aborting main resource', async () => {
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const { page, server, isChrome } = getTestState();
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await page.setRequestInterception(true);
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page.on('request', (request) => request.abort());
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let error = null;
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await page.goto(server.EMPTY_PAGE).catch((error_) => (error = error_));
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expect(error).toBeTruthy();
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if (isChrome) expect(error.message).toContain('net::ERR_FAILED');
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else expect(error.message).toContain('NS_ERROR_FAILURE');
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});
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it('should work with redirects', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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request.continue();
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requests.push(request);
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});
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server.setRedirect(
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'/non-existing-page.html',
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'/non-existing-page-2.html'
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);
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server.setRedirect(
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'/non-existing-page-2.html',
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'/non-existing-page-3.html'
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);
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server.setRedirect(
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'/non-existing-page-3.html',
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'/non-existing-page-4.html'
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);
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server.setRedirect('/non-existing-page-4.html', '/empty.html');
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const response = await page.goto(
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server.PREFIX + '/non-existing-page.html'
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);
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expect(response.status()).toBe(200);
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expect(response.url()).toContain('empty.html');
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expect(requests.length).toBe(5);
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expect(requests[2].resourceType()).toBe('document');
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// Check redirect chain
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const redirectChain = response.request().redirectChain();
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expect(redirectChain.length).toBe(4);
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expect(redirectChain[0].url()).toContain('/non-existing-page.html');
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expect(redirectChain[2].url()).toContain('/non-existing-page-3.html');
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for (let i = 0; i < redirectChain.length; ++i) {
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const request = redirectChain[i];
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expect(request.isNavigationRequest()).toBe(true);
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expect(request.redirectChain().indexOf(request)).toBe(i);
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}
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});
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it('should work with redirects for subresources', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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request.continue();
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if (!utils.isFavicon(request)) requests.push(request);
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});
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server.setRedirect('/one-style.css', '/two-style.css');
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server.setRedirect('/two-style.css', '/three-style.css');
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server.setRedirect('/three-style.css', '/four-style.css');
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server.setRoute('/four-style.css', (req, res) =>
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res.end('body {box-sizing: border-box; }')
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);
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const response = await page.goto(server.PREFIX + '/one-style.html');
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expect(response.status()).toBe(200);
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expect(response.url()).toContain('one-style.html');
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expect(requests.length).toBe(5);
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expect(requests[0].resourceType()).toBe('document');
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expect(requests[1].resourceType()).toBe('stylesheet');
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// Check redirect chain
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const redirectChain = requests[1].redirectChain();
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expect(redirectChain.length).toBe(3);
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expect(redirectChain[0].url()).toContain('/one-style.css');
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expect(redirectChain[2].url()).toContain('/three-style.css');
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});
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it('should be able to abort redirects', async () => {
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const { page, server, isChrome } = getTestState();
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await page.setRequestInterception(true);
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server.setRedirect('/non-existing.json', '/non-existing-2.json');
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server.setRedirect('/non-existing-2.json', '/simple.html');
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page.on('request', (request) => {
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if (request.url().includes('non-existing-2')) request.abort();
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else request.continue();
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});
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await page.goto(server.EMPTY_PAGE);
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const result = await page.evaluate(async () => {
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try {
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await fetch('/non-existing.json');
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} catch (error) {
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return error.message;
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}
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});
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if (isChrome) expect(result).toContain('Failed to fetch');
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else expect(result).toContain('NetworkError');
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});
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it('should work with equal requests', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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let responseCount = 1;
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server.setRoute('/zzz', (req, res) => res.end(responseCount++ * 11 + ''));
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await page.setRequestInterception(true);
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let spinner = false;
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// Cancel 2nd request.
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page.on('request', (request) => {
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if (utils.isFavicon(request)) {
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request.continue();
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return;
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}
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spinner ? request.abort() : request.continue();
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spinner = !spinner;
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});
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const results = await page.evaluate(() =>
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Promise.all([
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fetch('/zzz')
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.then((response) => response.text())
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.catch(() => 'FAILED'),
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fetch('/zzz')
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.then((response) => response.text())
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.catch(() => 'FAILED'),
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fetch('/zzz')
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.then((response) => response.text())
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.catch(() => 'FAILED'),
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])
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);
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expect(results).toEqual(['11', 'FAILED', '22']);
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});
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it('should navigate to dataURL and fire dataURL requests', async () => {
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const { page } = getTestState();
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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requests.push(request);
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request.continue();
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});
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const dataURL = 'data:text/html,<div>yo</div>';
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const response = await page.goto(dataURL);
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expect(response.status()).toBe(200);
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expect(requests.length).toBe(1);
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expect(requests[0].url()).toBe(dataURL);
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});
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it('should be able to fetch dataURL and fire dataURL requests', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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requests.push(request);
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request.continue();
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});
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const dataURL = 'data:text/html,<div>yo</div>';
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const text = await page.evaluate(
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(url) => fetch(url).then((r) => r.text()),
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dataURL
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);
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expect(text).toBe('<div>yo</div>');
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expect(requests.length).toBe(1);
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expect(requests[0].url()).toBe(dataURL);
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});
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it('should navigate to URL with hash and and fire requests without hash', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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requests.push(request);
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request.continue();
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});
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const response = await page.goto(server.EMPTY_PAGE + '#hash');
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expect(response.status()).toBe(200);
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expect(response.url()).toBe(server.EMPTY_PAGE);
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expect(requests.length).toBe(1);
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expect(requests[0].url()).toBe(server.EMPTY_PAGE);
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});
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it('should work with encoded server', async () => {
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const { page, server } = getTestState();
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// The requestWillBeSent will report encoded URL, whereas interception will
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// report URL as-is. @see crbug.com/759388
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await page.setRequestInterception(true);
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page.on('request', (request) => request.continue());
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const response = await page.goto(
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server.PREFIX + '/some nonexisting page'
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);
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expect(response.status()).toBe(404);
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});
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it('should work with badly encoded server', async () => {
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const { page, server } = getTestState();
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await page.setRequestInterception(true);
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server.setRoute('/malformed?rnd=%911', (req, res) => res.end());
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page.on('request', (request) => request.continue());
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const response = await page.goto(server.PREFIX + '/malformed?rnd=%911');
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expect(response.status()).toBe(200);
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});
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it('should work with encoded server - 2', async () => {
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const { page, server } = getTestState();
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// The requestWillBeSent will report URL as-is, whereas interception will
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// report encoded URL for stylesheet. @see crbug.com/759388
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await page.setRequestInterception(true);
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const requests = [];
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page.on('request', (request) => {
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request.continue();
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requests.push(request);
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});
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const response = await page.goto(
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`data:text/html,<link rel="stylesheet" href="${server.PREFIX}/fonts?helvetica|arial"/>`
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);
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expect(response.status()).toBe(200);
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expect(requests.length).toBe(2);
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expect(requests[1].response().status()).toBe(404);
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});
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it('should not throw "Invalid Interception Id" if the request was cancelled', async () => {
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const { page, server } = getTestState();
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await page.setContent('<iframe></iframe>');
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await page.setRequestInterception(true);
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let request = null;
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page.on('request', async (r) => (request = r));
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page.$eval(
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'iframe',
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(frame, url) => (frame.src = url),
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server.EMPTY_PAGE
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),
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// Wait for request interception.
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await utils.waitEvent(page, 'request');
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// Delete frame to cause request to be canceled.
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await page.$eval('iframe', (frame) => frame.remove());
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let error = null;
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await request.continue().catch((error_) => (error = error_));
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expect(error).toBe(null);
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});
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it('should throw if interception is not enabled', async () => {
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const { page, server } = getTestState();
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let error = null;
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page.on('request', async (request) => {
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try {
|
|
await request.continue();
|
|
} catch (error_) {
|
|
error = error_;
|
|
}
|
|
});
|
|
await page.goto(server.EMPTY_PAGE);
|
|
expect(error.message).toContain('Request Interception is not enabled');
|
|
});
|
|
it('should work with file URLs', async () => {
|
|
const { page } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
const urls = new Set();
|
|
page.on('request', (request) => {
|
|
urls.add(request.url().split('/').pop());
|
|
request.continue();
|
|
});
|
|
await page.goto(
|
|
pathToFileURL(path.join(__dirname, 'assets', 'one-style.html'))
|
|
);
|
|
expect(urls.size).toBe(2);
|
|
expect(urls.has('one-style.html')).toBe(true);
|
|
expect(urls.has('one-style.css')).toBe(true);
|
|
});
|
|
});
|
|
|
|
describeFailsFirefox('Request.continue', function () {
|
|
it('should work', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => request.continue());
|
|
await page.goto(server.EMPTY_PAGE);
|
|
});
|
|
it('should amend HTTP headers', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
const headers = Object.assign({}, request.headers());
|
|
headers['FOO'] = 'bar';
|
|
request.continue({ headers });
|
|
});
|
|
await page.goto(server.EMPTY_PAGE);
|
|
const [request] = await Promise.all([
|
|
server.waitForRequest('/sleep.zzz'),
|
|
page.evaluate(() => fetch('/sleep.zzz')),
|
|
]);
|
|
expect(request.headers['foo']).toBe('bar');
|
|
});
|
|
it('should redirect in a way non-observable to page', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
const redirectURL = request.url().includes('/empty.html')
|
|
? server.PREFIX + '/consolelog.html'
|
|
: undefined;
|
|
request.continue({ url: redirectURL });
|
|
});
|
|
let consoleMessage = null;
|
|
page.on('console', (msg) => (consoleMessage = msg));
|
|
await page.goto(server.EMPTY_PAGE);
|
|
expect(page.url()).toBe(server.EMPTY_PAGE);
|
|
expect(consoleMessage.text()).toBe('yellow');
|
|
});
|
|
it('should amend method', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.goto(server.EMPTY_PAGE);
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
request.continue({ method: 'POST' });
|
|
});
|
|
const [request] = await Promise.all([
|
|
server.waitForRequest('/sleep.zzz'),
|
|
page.evaluate(() => fetch('/sleep.zzz')),
|
|
]);
|
|
expect(request.method).toBe('POST');
|
|
});
|
|
it('should amend post data', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.goto(server.EMPTY_PAGE);
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
request.continue({ postData: 'doggo' });
|
|
});
|
|
const [serverRequest] = await Promise.all([
|
|
server.waitForRequest('/sleep.zzz'),
|
|
page.evaluate(() =>
|
|
fetch('/sleep.zzz', { method: 'POST', body: 'birdy' })
|
|
),
|
|
]);
|
|
expect(await serverRequest.postBody).toBe('doggo');
|
|
});
|
|
it('should amend both post data and method on navigation', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
request.continue({ method: 'POST', postData: 'doggo' });
|
|
});
|
|
const [serverRequest] = await Promise.all([
|
|
server.waitForRequest('/empty.html'),
|
|
page.goto(server.EMPTY_PAGE),
|
|
]);
|
|
expect(serverRequest.method).toBe('POST');
|
|
expect(await serverRequest.postBody).toBe('doggo');
|
|
});
|
|
});
|
|
|
|
describeFailsFirefox('Request.respond', function () {
|
|
it('should work', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
request.respond({
|
|
status: 201,
|
|
headers: {
|
|
foo: 'bar',
|
|
},
|
|
body: 'Yo, page!',
|
|
});
|
|
});
|
|
const response = await page.goto(server.EMPTY_PAGE);
|
|
expect(response.status()).toBe(201);
|
|
expect(response.headers().foo).toBe('bar');
|
|
expect(await page.evaluate(() => document.body.textContent)).toBe(
|
|
'Yo, page!'
|
|
);
|
|
});
|
|
it('should work with status code 422', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
request.respond({
|
|
status: 422,
|
|
body: 'Yo, page!',
|
|
});
|
|
});
|
|
const response = await page.goto(server.EMPTY_PAGE);
|
|
expect(response.status()).toBe(422);
|
|
expect(response.statusText()).toBe('Unprocessable Entity');
|
|
expect(await page.evaluate(() => document.body.textContent)).toBe(
|
|
'Yo, page!'
|
|
);
|
|
});
|
|
it('should redirect', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
if (!request.url().includes('rrredirect')) {
|
|
request.continue();
|
|
return;
|
|
}
|
|
request.respond({
|
|
status: 302,
|
|
headers: {
|
|
location: server.EMPTY_PAGE,
|
|
},
|
|
});
|
|
});
|
|
const response = await page.goto(server.PREFIX + '/rrredirect');
|
|
expect(response.request().redirectChain().length).toBe(1);
|
|
expect(response.request().redirectChain()[0].url()).toBe(
|
|
server.PREFIX + '/rrredirect'
|
|
);
|
|
expect(response.url()).toBe(server.EMPTY_PAGE);
|
|
});
|
|
it('should allow mocking binary responses', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
const imageBuffer = fs.readFileSync(
|
|
path.join(__dirname, 'assets', 'pptr.png')
|
|
);
|
|
request.respond({
|
|
contentType: 'image/png',
|
|
body: imageBuffer,
|
|
});
|
|
});
|
|
await page.evaluate((PREFIX) => {
|
|
const img = document.createElement('img');
|
|
img.src = PREFIX + '/does-not-exist.png';
|
|
document.body.appendChild(img);
|
|
return new Promise((fulfill) => (img.onload = fulfill));
|
|
}, server.PREFIX);
|
|
const img = await page.$('img');
|
|
// TODO (@jackfranklin): toBeGolden type fix
|
|
// @ts-expect-error
|
|
expect(await img.screenshot()).toBeGolden('mock-binary-response.png');
|
|
});
|
|
it('should stringify intercepted request response headers', async () => {
|
|
const { page, server } = getTestState();
|
|
|
|
await page.setRequestInterception(true);
|
|
page.on('request', (request) => {
|
|
request.respond({
|
|
status: 200,
|
|
headers: {
|
|
foo: true,
|
|
},
|
|
body: 'Yo, page!',
|
|
});
|
|
});
|
|
const response = await page.goto(server.EMPTY_PAGE);
|
|
expect(response.status()).toBe(200);
|
|
const headers = response.headers();
|
|
expect(headers.foo).toBe('true');
|
|
expect(await page.evaluate(() => document.body.textContent)).toBe(
|
|
'Yo, page!'
|
|
);
|
|
});
|
|
});
|
|
});
|
|
|
|
/**
|
|
* @param {string} path
|
|
* @returns {string}
|
|
*/
|
|
function pathToFileURL(path) {
|
|
let pathName = path.replace(/\\/g, '/');
|
|
// Windows drive letter must be prefixed with a slash.
|
|
if (!pathName.startsWith('/')) pathName = '/' + pathName;
|
|
return 'file://' + pathName;
|
|
}
|