playwright/test/interception.spec.js

635 lines
26 KiB
JavaScript

/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const fs = require('fs');
const path = require('path');
const utils = require('./utils');
module.exports.describe = function({testRunner, expect, defaultBrowserOptions, playwright, FFOX, CHROMIUM, WEBKIT}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit, dit} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Page.setRequestInterception', function() {
it('should intercept', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
expect(request.url()).toContain('empty.html');
expect(request.headers()['user-agent']).toBeTruthy();
expect(request.method()).toBe('GET');
expect(request.postData()).toBe(undefined);
expect(request.isNavigationRequest()).toBe(true);
expect(request.resourceType()).toBe('document');
expect(request.frame() === page.mainFrame()).toBe(true);
expect(request.frame().url()).toBe('about:blank');
request.continue();
});
const response = await page.goto(server.EMPTY_PAGE);
expect(response.ok()).toBe(true);
});
it('should work when POST is redirected with 302', async({page, server}) => {
server.setRedirect('/rredirect', '/empty.html');
await page.goto(server.EMPTY_PAGE);
await page.setRequestInterception(true);
page.on('request', request => request.continue());
await page.setContent(`
<form action='/rredirect' method='post'>
<input type="hidden" id="foo" name="foo" value="FOOBAR">
</form>
`);
await Promise.all([
page.$eval('form', form => form.submit()),
page.waitForNavigation()
]);
});
// @see https://github.com/GoogleChrome/puppeteer/issues/3973
it('should work when header manipulation headers with redirect', async({page, server}) => {
server.setRedirect('/rrredirect', '/empty.html');
await page.setRequestInterception(true);
page.on('request', request => {
const headers = Object.assign({}, request.headers(), {
foo: 'bar'
});
request.continue({ headers });
});
await page.goto(server.PREFIX + '/rrredirect');
});
// @see https://github.com/GoogleChrome/puppeteer/issues/4743
it('should be able to remove headers', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
const headers = Object.assign({}, request.headers(), {
foo: 'bar',
origin: undefined, // remove "origin" header
});
request.continue({ headers });
});
const [serverRequest] = await Promise.all([
server.waitForRequest('/empty.html'),
page.goto(server.PREFIX + '/empty.html')
]);
expect(serverRequest.headers.origin).toBe(undefined);
});
it('should contain referer header', async({page, server}) => {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
requests.push(request);
request.continue();
});
await page.goto(server.PREFIX + '/one-style.html');
expect(requests[1].url()).toContain('/one-style.css');
expect(requests[1].headers().referer).toContain('/one-style.html');
});
it('should properly return navigation response when URL has cookies', async({context, page, server}) => {
// Setup cookie.
await page.goto(server.EMPTY_PAGE);
await context.setCookies([{ url: server.EMPTY_PAGE, name: 'foo', value: 'bar'}]);
// Setup request interception.
await page.setRequestInterception(true);
page.on('request', request => request.continue());
const response = await page.reload();
expect(response.status()).toBe(200);
});
it('should stop intercepting', async({page, server}) => {
await page.setRequestInterception(true);
page.once('request', request => request.continue());
await page.goto(server.EMPTY_PAGE);
await page.setRequestInterception(false);
await page.goto(server.EMPTY_PAGE);
});
it('should show custom HTTP headers', async({page, server}) => {
await page.setExtraHTTPHeaders({
foo: 'bar'
});
await page.setRequestInterception(true);
page.on('request', request => {
expect(request.headers()['foo']).toBe('bar');
request.continue();
});
const response = await page.goto(server.EMPTY_PAGE);
expect(response.ok()).toBe(true);
});
// @see https://github.com/GoogleChrome/puppeteer/issues/4337
it('should work with redirect inside sync XHR', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
server.setRedirect('/logo.png', '/pptr.png');
await page.setRequestInterception(true);
page.on('request', request => request.continue());
const status = await page.evaluate(async() => {
const request = new XMLHttpRequest();
request.open('GET', '/logo.png', false); // `false` makes the request synchronous
request.send(null);
return request.status;
});
expect(status).toBe(200);
});
it('should work with custom referer headers', async({page, server}) => {
await page.setExtraHTTPHeaders({ 'referer': server.EMPTY_PAGE });
await page.setRequestInterception(true);
page.on('request', request => {
expect(request.headers()['referer']).toBe(server.EMPTY_PAGE);
request.continue();
});
const response = await page.goto(server.EMPTY_PAGE);
expect(response.ok()).toBe(true);
});
it('should be abortable', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
if (request.url().endsWith('.css'))
request.abort();
else
request.continue();
});
let failedRequests = 0;
page.on('requestfailed', event => ++failedRequests);
const response = await page.goto(server.PREFIX + '/one-style.html');
expect(response.ok()).toBe(true);
expect(response.request().failure()).toBe(null);
expect(failedRequests).toBe(1);
});
it('should be abortable with custom error codes', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
request.abort('internetdisconnected');
});
let failedRequest = null;
page.on('requestfailed', request => failedRequest = request);
await page.goto(server.EMPTY_PAGE).catch(e => {});
expect(failedRequest).toBeTruthy();
if (WEBKIT)
expect(failedRequest.failure().errorText).toBe('Request intercepted');
else if (FFOX)
expect(failedRequest.failure().errorText).toBe('NS_ERROR_FAILURE');
else
expect(failedRequest.failure().errorText).toBe('net::ERR_INTERNET_DISCONNECTED');
});
it('should send referer', async({page, server}) => {
await page.setExtraHTTPHeaders({
referer: 'http://google.com/'
});
await page.setRequestInterception(true);
page.on('request', request => request.continue());
const [request] = await Promise.all([
server.waitForRequest('/grid.html'),
page.goto(server.PREFIX + '/grid.html'),
]);
expect(request.headers['referer']).toBe('http://google.com/');
});
it('should fail navigation when aborting main resource', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => request.abort());
let error = null;
await page.goto(server.EMPTY_PAGE).catch(e => error = e);
expect(error).toBeTruthy();
if (WEBKIT)
expect(error.message).toContain('Request intercepted');
else if (FFOX)
expect(error.message).toContain('NS_ERROR_FAILURE');
else
expect(error.message).toContain('net::ERR_FAILED');
});
it('should work with redirects', async({page, server}) => {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
request.continue();
requests.push(request);
});
server.setRedirect('/non-existing-page.html', '/non-existing-page-2.html');
server.setRedirect('/non-existing-page-2.html', '/non-existing-page-3.html');
server.setRedirect('/non-existing-page-3.html', '/non-existing-page-4.html');
server.setRedirect('/non-existing-page-4.html', '/empty.html');
const response = await page.goto(server.PREFIX + '/non-existing-page.html');
expect(response.status()).toBe(200);
expect(response.url()).toContain('empty.html');
expect(requests.length).toBe(5);
expect(requests[2].resourceType()).toBe('document');
// Check redirect chain
const redirectChain = response.request().redirectChain();
expect(redirectChain.length).toBe(4);
expect(redirectChain[0].url()).toContain('/non-existing-page.html');
expect(redirectChain[2].url()).toContain('/non-existing-page-3.html');
for (let i = 0; i < redirectChain.length; ++i) {
const request = redirectChain[i];
expect(request.isNavigationRequest()).toBe(true);
expect(request.redirectChain().indexOf(request)).toBe(i);
}
});
it('should work with redirects for subresources', async({page, server}) => {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
request.continue();
requests.push(request);
});
server.setRedirect('/one-style.css', '/two-style.css');
server.setRedirect('/two-style.css', '/three-style.css');
server.setRedirect('/three-style.css', '/four-style.css');
server.setRoute('/four-style.css', (req, res) => res.end('body {box-sizing: border-box; }'));
const response = await page.goto(server.PREFIX + '/one-style.html');
expect(response.status()).toBe(200);
expect(response.url()).toContain('one-style.html');
expect(requests.length).toBe(5);
expect(requests[0].resourceType()).toBe('document');
expect(requests[1].resourceType()).toBe('stylesheet');
// Check redirect chain
const redirectChain = requests[1].redirectChain();
expect(redirectChain.length).toBe(3);
expect(redirectChain[0].url()).toContain('/one-style.css');
expect(redirectChain[2].url()).toContain('/three-style.css');
});
it('should work with equal requests', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
let responseCount = 1;
server.setRoute('/zzz', (req, res) => res.end((responseCount++) * 11 + ''));
await page.setRequestInterception(true);
let spinner = false;
// Cancel 2nd request.
page.on('request', request => {
spinner ? request.abort() : request.continue();
spinner = !spinner;
});
const results = await page.evaluate(() => Promise.all([
fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
]));
expect(results).toEqual(['11', 'FAILED', '22']);
});
it('should navigate to dataURL and not fire dataURL requests', async({page, server}) => {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
requests.push(request);
request.continue();
});
const dataURL = 'data:text/html,<div>yo</div>';
const response = await page.goto(dataURL);
expect(response).toBe(null);
expect(requests.length).toBe(0);
});
it('should be able to fetch dataURL and not fire dataURL requests', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
requests.push(request);
request.continue();
});
const dataURL = 'data:text/html,<div>yo</div>';
const text = await page.evaluate(url => fetch(url).then(r => r.text()), dataURL);
expect(text).toBe('<div>yo</div>');
expect(requests.length).toBe(0);
});
it.skip(FFOX)('should navigate to URL with hash and and fire requests without hash', async({page, server}) => {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
requests.push(request);
request.continue();
});
const response = await page.goto(server.EMPTY_PAGE + '#hash');
expect(response.status()).toBe(200);
expect(response.url()).toBe(server.EMPTY_PAGE);
expect(requests.length).toBe(1);
expect(requests[0].url()).toBe(server.EMPTY_PAGE);
});
it('should work with encoded server', async({page, server}) => {
// The requestWillBeSent will report encoded URL, whereas interception will
// report URL as-is. @see crbug.com/759388
await page.setRequestInterception(true);
page.on('request', request => request.continue());
const response = await page.goto(server.PREFIX + '/some nonexisting page');
expect(response.status()).toBe(404);
});
it('should work with badly encoded server', async({page, server}) => {
await page.setRequestInterception(true);
server.setRoute('/malformed?rnd=%911', (req, res) => res.end());
page.on('request', request => request.continue());
const response = await page.goto(server.PREFIX + '/malformed?rnd=%911');
expect(response.status()).toBe(200);
});
it('should work with encoded server - 2', async({page, server}) => {
// The requestWillBeSent will report URL as-is, whereas interception will
// report encoded URL for stylesheet. @see crbug.com/759388
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
request.continue();
requests.push(request);
});
const response = await page.goto(`data:text/html,<link rel="stylesheet" href="${server.PREFIX}/fonts?helvetica|arial"/>`);
expect(response).toBe(null);
expect(requests.length).toBe(1);
expect(requests[0].response().status()).toBe(404);
});
it('should not throw "Invalid Interception Id" if the request was cancelled', async({page, server}) => {
await page.setContent('<iframe></iframe>');
await page.setRequestInterception(true);
let request = null;
page.on('request', async r => request = r);
page.$eval('iframe', (frame, url) => frame.src = url, server.EMPTY_PAGE),
// Wait for request interception.
await utils.waitEvent(page, 'request');
// Delete frame to cause request to be canceled.
await page.$eval('iframe', frame => frame.remove());
let error = null;
await request.continue().catch(e => error = e);
expect(error).toBe(null);
});
it('should throw if interception is not enabled', async({newPage, server}) => {
let error = null;
const page = await newPage();
page.on('request', async request => {
try {
await request.continue();
} catch (e) {
error = e;
}
});
await page.goto(server.EMPTY_PAGE);
expect(error.message).toContain('Request Interception is not enabled');
});
it('should intercept main resource during cross-process navigation', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await page.setRequestInterception(true);
let intercepted = false;
page.on('request', request => {
if (request.url().includes(server.CROSS_PROCESS_PREFIX + '/empty.html'))
intercepted = true;
request.continue();
});
const response = await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
expect(response.ok()).toBe(true);
expect(intercepted).toBe(true);
});
it('should not throw when continued after navigation', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
if (request.url() !== server.PREFIX + '/one-style.css')
request.continue();
});
// For some reason, Firefox issues load event with one outstanding request.
const failed = page.goto(server.PREFIX + '/one-style.html', { waitUntil: FFOX ? 'networkidle0' : 'load' }).catch(e => e);
const request = await page.waitForRequest(server.PREFIX + '/one-style.css');
await page.goto(server.PREFIX + '/empty.html');
const error = await failed;
expect(error.message).toBe('Navigation to ' + server.PREFIX + '/one-style.html was canceled by another one');
const notAnError = await request.continue().then(() => null).catch(e => e);
expect(notAnError).toBe(null);
});
it('should not throw when continued after cross-process navigation', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
if (request.url() !== server.PREFIX + '/one-style.css')
request.continue();
});
// For some reason, Firefox issues load event with one outstanding request.
const failed = page.goto(server.PREFIX + '/one-style.html', { waitUntil: FFOX ? 'networkidle0' : 'load' }).catch(e => e);
const request = await page.waitForRequest(server.PREFIX + '/one-style.css');
await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
const error = await failed;
expect(error.message).toBe('Navigation to ' + server.PREFIX + '/one-style.html was canceled by another one');
const notAnError = await request.continue().then(() => null).catch(e => e);
expect(notAnError).toBe(null);
});
});
describe('Interception.continue', function() {
it('should work', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => request.continue());
await page.goto(server.EMPTY_PAGE);
});
it('should amend HTTP headers', async({page, server}) => {
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');
});
});
describe.skip(FFOX)('interception.fulfill', function() {
it('should work', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
request.fulfill({
status: 201,
headers: {
foo: 'bar'
},
contentType: 'text/html',
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({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
request.fulfill({
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 allow mocking binary responses', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
const imageBuffer = fs.readFileSync(path.join(__dirname, 'assets', 'pptr.png'));
request.fulfill({
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');
expect(await img.screenshot()).toBeGolden('mock-binary-response.png');
});
it('should stringify intercepted request response headers', async({page, server}) => {
await page.setRequestInterception(true);
page.on('request', request => {
request.fulfill({
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!');
});
});
describe.skip(FFOX)('Interception.authenticate', function() {
it('should work', async({page, server}) => {
server.setAuth('/empty.html', 'user', 'pass');
let response = await page.goto(server.EMPTY_PAGE);
expect(response.status()).toBe(401);
await page.authenticate({
username: 'user',
password: 'pass'
});
response = await page.reload();
expect(response.status()).toBe(200);
});
it('should fail if wrong credentials', async({page, server}) => {
// Use unique user/password since Chromium caches credentials per origin.
server.setAuth('/empty.html', 'user2', 'pass2');
await page.authenticate({
username: 'foo',
password: 'bar'
});
const response = await page.goto(server.EMPTY_PAGE);
expect(response.status()).toBe(401);
});
it('should allow disable authentication', async({page, server}) => {
// Use unique user/password since Chromium caches credentials per origin.
server.setAuth('/empty.html', 'user3', 'pass3');
await page.authenticate({
username: 'user3',
password: 'pass3'
});
let response = await page.goto(server.EMPTY_PAGE);
expect(response.status()).toBe(200);
await page.authenticate(null);
// Navigate to a different origin to bust Chromium's credential caching.
response = await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
expect(response.status()).toBe(401);
});
});
describe.skip(FFOX)('Interception.setOfflineMode', function() {
it('should work', async({page, server}) => {
await page.setOfflineMode(true);
let error = null;
await page.goto(server.EMPTY_PAGE).catch(e => error = e);
expect(error).toBeTruthy();
await page.setOfflineMode(false);
const response = await page.goto(server.EMPTY_PAGE);
expect(response.status()).toBe(200);
});
it('should emulate navigator.onLine', async({page, server}) => {
expect(await page.evaluate(() => window.navigator.onLine)).toBe(true);
await page.setOfflineMode(true);
expect(await page.evaluate(() => window.navigator.onLine)).toBe(false);
await page.setOfflineMode(false);
expect(await page.evaluate(() => window.navigator.onLine)).toBe(true);
});
it('should continue if the interception gets disabled during provisional load', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await page.setRequestInterception(true);
expect(await page.evaluate(() => navigator.onLine)).toBe(true);
let intercepted;
page.on('request', async request => {
intercepted = true;
await page.setRequestInterception(false);
});
const response = await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
expect(intercepted).toBe(true);
expect(response.status()).toBe(200);
});
});
describe('Interception vs isNavigationRequest', () => {
it('should work with request interception', async({page, server}) => {
const requests = new Map();
page.on('request', request => {
requests.set(request.url().split('/').pop(), request);
request.continue();
});
await page.setRequestInterception(true);
server.setRedirect('/rrredirect', '/frames/one-frame.html');
await page.goto(server.PREFIX + '/rrredirect');
expect(requests.get('rrredirect').isNavigationRequest()).toBe(true);
expect(requests.get('one-frame.html').isNavigationRequest()).toBe(true);
expect(requests.get('frame.html').isNavigationRequest()).toBe(true);
expect(requests.get('script.js').isNavigationRequest()).toBe(false);
expect(requests.get('style.css').isNavigationRequest()).toBe(false);
});
});
describe('Page.setCacheEnabled', function() {
it('should stay disabled when toggling request interception on/off', async({page, server}) => {
await page.setCacheEnabled(false);
await page.setRequestInterception(true);
await page.setRequestInterception(false);
await page.goto(server.PREFIX + '/cached/one-style.html');
const [nonCachedRequest] = await Promise.all([
server.waitForRequest('/cached/one-style.html'),
page.reload(),
]);
expect(nonCachedRequest.headers['if-modified-since']).toBe(undefined);
});
});
describe('ignoreHTTPSErrors', function() {
it('should work with request interception', async({newPage, httpsServer}) => {
const page = await newPage({ ignoreHTTPSErrors: true, interceptNetwork: true });
await page.setRequestInterception(true);
page.on('request', request => request.continue());
const response = await page.goto(httpsServer.EMPTY_PAGE);
expect(response.status()).toBe(200);
});
});
};
/**
* @param {string} path
* @return {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;
}