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puppeteer/test/puppeteer.spec.js
Andrey Lushnikov a460114945
test: fix appveyour flakiness (#2779) 
Crashpad sometimes prevents us from removing a folder in tests.

References #2778.
2018-06-20 13:52:36 -07:00

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JavaScript
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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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 os = require('os');
const path = require('path');
const {helper} = require('../lib/helper');
const rmAsync = helper.promisify(require('rimraf'));
const mkdtempAsync = helper.promisify(fs.mkdtemp);
const readFileAsync = helper.promisify(fs.readFile);
const statAsync = helper.promisify(fs.stat);
const TMP_FOLDER = path.join(os.tmpdir(), 'pptr_tmp_folder-');
const utils = require('./utils');
module.exports.addTests = function({testRunner, expect, PROJECT_ROOT, defaultBrowserOptions}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
const puppeteer = require(PROJECT_ROOT);
describe('Puppeteer', function() {
describe('BrowserFetcher', function() {
it('should download and extract linux binary', async({server}) => {
const downloadsFolder = await mkdtempAsync(TMP_FOLDER);
const browserFetcher = puppeteer.createBrowserFetcher({
platform: 'linux',
path: downloadsFolder,
host: server.PREFIX
});
let revisionInfo = browserFetcher.revisionInfo('123456');
server.setRoute(revisionInfo.url.substring(server.PREFIX.length), (req, res) => {
server.serveFile(req, res, '/chromium-linux.zip');
});
expect(revisionInfo.local).toBe(false);
expect(browserFetcher.platform()).toBe('linux');
expect(await browserFetcher.canDownload('100000')).toBe(false);
expect(await browserFetcher.canDownload('123456')).toBe(true);
revisionInfo = await browserFetcher.download('123456');
expect(revisionInfo.local).toBe(true);
expect(await readFileAsync(revisionInfo.executablePath, 'utf8')).toBe('LINUX BINARY\n');
const expectedPermissions = os.platform() === 'win32' ? 0666 : 0755;
expect((await statAsync(revisionInfo.executablePath)).mode & 0777).toBe(expectedPermissions);
expect(await browserFetcher.localRevisions()).toEqual(['123456']);
await browserFetcher.remove('123456');
expect(await browserFetcher.localRevisions()).toEqual([]);
await rmAsync(downloadsFolder);
});
});
describe('AppMode', function() {
it('should work', async() => {
const options = Object.assign({appMode: true}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
expect(await page.evaluate('11 * 11')).toBe(121);
await page.close();
await browser.close();
});
});
describe('Puppeteer.launch', function() {
it('should reject all promises when browser is closed', async() => {
const browser = await puppeteer.launch(defaultBrowserOptions);
const page = await browser.newPage();
let error = null;
const neverResolves = page.evaluate(() => new Promise(r => {})).catch(e => error = e);
await browser.close();
await neverResolves;
expect(error.message).toContain('Protocol error');
});
it('should reject if executable path is invalid', async({server}) => {
let waitError = null;
const options = Object.assign({}, defaultBrowserOptions, {executablePath: 'random-invalid-path'});
await puppeteer.launch(options).catch(e => waitError = e);
expect(waitError.message.startsWith('Failed to launch chrome! spawn random-invalid-path ENOENT')).toBe(true);
});
it('userDataDir option', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
// Open a page to make sure its functional.
await browser.newPage();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
await browser.close();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
// This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
await rmAsync(userDataDir).catch(e => {});
});
it('userDataDir argument', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({}, defaultBrowserOptions);
options.args = [`--user-data-dir=${userDataDir}`].concat(options.args);
const browser = await puppeteer.launch(options);
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
await browser.close();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
// This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
await rmAsync(userDataDir).catch(e => {});
});
it('userDataDir option should restore state', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => localStorage.hey = 'hello');
await browser.close();
const browser2 = await puppeteer.launch(options);
const page2 = await browser2.newPage();
await page2.goto(server.EMPTY_PAGE);
expect(await page2.evaluate(() => localStorage.hey)).toBe('hello');
await browser2.close();
// This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
await rmAsync(userDataDir).catch(e => {});
});
it('userDataDir option should restore cookies', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => document.cookie = 'doSomethingOnlyOnce=true; expires=Fri, 31 Dec 9999 23:59:59 GMT');
await browser.close();
const browser2 = await puppeteer.launch(options);
const page2 = await browser2.newPage();
await page2.goto(server.EMPTY_PAGE);
expect(await page2.evaluate(() => document.cookie)).toBe('doSomethingOnlyOnce=true');
await browser2.close();
// This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
await rmAsync(userDataDir).catch(e => {});
});
it('should return the default chrome arguments', async() => {
const args = puppeteer.defaultArgs();
expect(args).toContain('--no-first-run');
});
it('should dump browser process stderr', async({server}) => {
const dumpioTextToLog = 'MAGIC_DUMPIO_TEST';
let dumpioData = '';
const {spawn} = require('child_process');
const options = Object.assign({}, defaultBrowserOptions, {dumpio: true});
const res = spawn('node',
[path.join(__dirname, 'fixtures', 'dumpio.js'), PROJECT_ROOT, JSON.stringify(options), server.EMPTY_PAGE, dumpioTextToLog]);
res.stderr.on('data', data => dumpioData += data.toString('utf8'));
await new Promise(resolve => res.on('close', resolve));
expect(dumpioData).toContain(dumpioTextToLog);
});
it('should close the browser when the node process closes', async({ server }) => {
const {spawn, execSync} = require('child_process');
const res = spawn('node', [path.join(__dirname, 'fixtures', 'closeme.js'), PROJECT_ROOT, JSON.stringify(defaultBrowserOptions)]);
let wsEndPointCallback;
const wsEndPointPromise = new Promise(x => wsEndPointCallback = x);
let output = '';
res.stdout.on('data', data => {
output += data;
if (output.indexOf('\n'))
wsEndPointCallback(output.substring(0, output.indexOf('\n')));
});
const browser = await puppeteer.connect({ browserWSEndpoint: await wsEndPointPromise });
const promises = [
new Promise(resolve => browser.once('disconnected', resolve)),
new Promise(resolve => res.on('close', resolve))];
if (process.platform === 'win32')
execSync(`taskkill /pid ${res.pid} /T /F`);
else
process.kill(res.pid);
await Promise.all(promises);
});
it('should support the pipe option', async() => {
const options = Object.assign({pipe: true}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
expect((await browser.pages()).length).toBe(1);
expect(browser.wsEndpoint()).toBe('');
const page = await browser.newPage();
expect(await page.evaluate('11 * 11')).toBe(121);
await page.close();
await browser.close();
});
it('should support the pipe argument', async() => {
const options = Object.assign({}, defaultBrowserOptions);
options.ignoreDefaultArgs = true;
options.args = ['--remote-debugging-pipe'].concat(options.args);
const browser = await puppeteer.launch(options);
expect(browser.wsEndpoint()).toBe('');
const page = await browser.newPage();
expect(await page.evaluate('11 * 11')).toBe(121);
await page.close();
await browser.close();
});
it('should work with no default arguments', async() => {
const options = Object.assign({}, defaultBrowserOptions);
options.ignoreDefaultArgs = true;
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
expect(await page.evaluate('11 * 11')).toBe(121);
await page.close();
await browser.close();
});
it('should have default url when launching browser', async function() {
const browser = await puppeteer.launch(defaultBrowserOptions);
const pages = (await browser.pages()).map(page => page.url());
expect(pages).toEqual(['about:blank']);
await browser.close();
});
it('should have custom url when launching browser', async function({server}) {
const customUrl = server.PREFIX + '/empty.html';
const options = Object.assign({}, defaultBrowserOptions);
options.args = [customUrl].concat(options.args);
const browser = await puppeteer.launch(options);
const pages = await browser.pages();
expect(pages.length).toBe(1);
if (pages[0].url() !== customUrl)
await pages[0].waitForNavigation();
expect(pages[0].url()).toBe(customUrl);
await browser.close();
});
});
describe('Puppeteer.connect', function() {
it('should be able to connect multiple times to the same browser', async({server}) => {
const originalBrowser = await puppeteer.launch(defaultBrowserOptions);
const browser = await puppeteer.connect({
browserWSEndpoint: originalBrowser.wsEndpoint()
});
const page = await browser.newPage();
expect(await page.evaluate(() => 7 * 8)).toBe(56);
browser.disconnect();
const secondPage = await originalBrowser.newPage();
expect(await secondPage.evaluate(() => 7 * 6)).toBe(42, 'original browser should still work');
await originalBrowser.close();
});
it('should support ignoreHTTPSErrors option', async({httpsServer}) => {
const originalBrowser = await puppeteer.launch(defaultBrowserOptions);
const browserWSEndpoint = originalBrowser.wsEndpoint();
const browser = await puppeteer.connect({browserWSEndpoint, ignoreHTTPSErrors: true});
const page = await browser.newPage();
let error = null;
const response = await page.goto(httpsServer.EMPTY_PAGE).catch(e => error = e);
expect(error).toBe(null);
expect(response.ok()).toBe(true);
expect(response.securityDetails()).toBeTruthy();
expect(response.securityDetails().protocol()).toBe('TLS 1.2');
await page.close();
await browser.close();
});
it('should be able to reconnect to a disconnected browser', async({server}) => {
const originalBrowser = await puppeteer.launch(defaultBrowserOptions);
const browserWSEndpoint = originalBrowser.wsEndpoint();
const page = await originalBrowser.newPage();
await page.goto(server.PREFIX + '/frames/nested-frames.html');
originalBrowser.disconnect();
const browser = await puppeteer.connect({browserWSEndpoint});
const pages = await browser.pages();
const restoredPage = pages.find(page => page.url() === server.PREFIX + '/frames/nested-frames.html');
expect(utils.dumpFrames(restoredPage.mainFrame())).toBeGolden('reconnect-nested-frames.txt');
expect(await restoredPage.evaluate(() => 7 * 8)).toBe(56);
await browser.close();
});
});
describe('Puppeteer.executablePath', function() {
it('should work', async({server}) => {
const executablePath = puppeteer.executablePath();
expect(fs.existsSync(executablePath)).toBe(true);
});
});
});
describe('Browser.Events.disconnected', function() {
it('should be emitted when: browser gets closed, disconnected or underlying websocket gets closed', async() => {
const originalBrowser = await puppeteer.launch(defaultBrowserOptions);
const browserWSEndpoint = originalBrowser.wsEndpoint();
const remoteBrowser1 = await puppeteer.connect({browserWSEndpoint});
const remoteBrowser2 = await puppeteer.connect({browserWSEndpoint});
let disconnectedOriginal = 0;
let disconnectedRemote1 = 0;
let disconnectedRemote2 = 0;
originalBrowser.on('disconnected', () => ++disconnectedOriginal);
remoteBrowser1.on('disconnected', () => ++disconnectedRemote1);
remoteBrowser2.on('disconnected', () => ++disconnectedRemote2);
await Promise.all([
utils.waitEvent(remoteBrowser2, 'disconnected'),
remoteBrowser2.disconnect(),
]);
expect(disconnectedOriginal).toBe(0);
expect(disconnectedRemote1).toBe(0);
expect(disconnectedRemote2).toBe(1);
await Promise.all([
utils.waitEvent(remoteBrowser1, 'disconnected'),
utils.waitEvent(originalBrowser, 'disconnected'),
originalBrowser.close(),
]);
expect(disconnectedOriginal).toBe(1);
expect(disconnectedRemote1).toBe(1);
expect(disconnectedRemote2).toBe(1);
});
});
};
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