playwright/test/launcher.spec.js

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/**
* Copyright 2017 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
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*
* 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');
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const path = require('path');
const util = require('util');
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const utils = require('./utils');
const rmAsync = util.promisify(require('rimraf'));
const mkdtempAsync = util.promisify(fs.mkdtemp);
const TMP_FOLDER = path.join(os.tmpdir(), 'pptr_tmp_folder-');
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module.exports.describe = function({testRunner, expect, defaultBrowserOptions, playwright, CHROMIUM, FFOX, WEBKIT}) {
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const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit, dit} = testRunner;
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const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Playwright', function() {
describe('Playwright.launch', function() {
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it('should reject all promises when browser is closed', async() => {
const browser = await playwright.launch(defaultBrowserOptions);
const page = await browser.defaultContext().newPage();
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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 playwright.launch(options).catch(e => waitError = e);
expect(waitError.message).toContain('Failed to launch');
});
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it('should have default URL when launching browser', async function() {
const browser = await playwright.launch(defaultBrowserOptions);
const pages = (await browser.defaultContext().pages()).map(page => page.url());
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expect(pages).toEqual(['about:blank']);
await browser.close();
});
it('should have custom URL when launching browser', async function({server}) {
const options = Object.assign({}, defaultBrowserOptions);
options.args = [server.EMPTY_PAGE].concat(options.args || []);
const browser = await playwright.launch(options);
const pages = await browser.defaultContext().pages();
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expect(pages.length).toBe(1);
const page = pages[0];
if (page.url() !== server.EMPTY_PAGE) {
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await page.waitForNavigation();
}
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expect(page.url()).toBe(server.EMPTY_PAGE);
await browser.close();
});
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});
describe('Playwright.executablePath', function() {
it('should work', async({server}) => {
const executablePath = playwright.executablePath();
expect(fs.existsSync(executablePath)).toBe(true);
expect(fs.realpathSync(executablePath)).toBe(executablePath);
});
});
});
describe('Top-level requires', function() {
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it('should require top-level Errors', async() => {
const Errors = require(path.join(utils.projectRoot(), '/lib/errors.js'));
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expect(Errors.TimeoutError).toBe(playwright.errors.TimeoutError);
});
it('should require top-level DeviceDescriptors', async() => {
const Devices = require(path.join(utils.projectRoot(), '/lib/deviceDescriptors.js')).DeviceDescriptors;
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expect(Devices['iPhone 6']).toBe(playwright.devices['iPhone 6']);
});
});
describe('Browser.isConnected', () => {
it('should set the browser connected state', async () => {
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const browserWSEndpoint = browserApp.wsEndpoint();
const remote = await playwright.connect({browserWSEndpoint});
expect(remote.isConnected()).toBe(true);
await remote.disconnect();
expect(remote.isConnected()).toBe(false);
await browserApp.close();
});
it('should throw when used after isConnected returns false', async({server}) => {
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const remote = await playwright.connect({...defaultBrowserOptions, browserWSEndpoint: browserApp.wsEndpoint()});
const page = await remote.defaultContext().newPage();
await Promise.all([
browserApp.close(),
new Promise(f => remote.once('disconnected', f)),
]);
expect(remote.isConnected()).toBe(false);
const error = await page.evaluate('1 + 1').catch(e => e);
expect(error.message).toContain('has been closed');
});
});
describe('Browser.disconnect', function() {
it('should reject navigation when browser closes', async({server}) => {
server.setRoute('/one-style.css', () => {});
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const remote = await playwright.connect({...defaultBrowserOptions, browserWSEndpoint: browserApp.wsEndpoint()});
const page = await remote.defaultContext().newPage();
const navigationPromise = page.goto(server.PREFIX + '/one-style.html', {timeout: 60000}).catch(e => e);
await server.waitForRequest('/one-style.css');
await remote.disconnect();
const error = await navigationPromise;
expect(error.message).toBe('Navigation failed because browser has disconnected!');
await browserApp.close();
});
it('should reject waitForSelector when browser closes', async({server}) => {
server.setRoute('/empty.html', () => {});
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const remote = await playwright.connect({...defaultBrowserOptions, browserWSEndpoint: browserApp.wsEndpoint()});
const page = await remote.defaultContext().newPage();
const watchdog = page.waitForSelector('div', { timeout: 60000 }).catch(e => e);
await remote.disconnect();
const error = await watchdog;
expect(error.message).toContain('Protocol error');
await browserApp.close();
});
it('should throw if used after disconnect', async({server}) => {
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const remote = await playwright.connect({...defaultBrowserOptions, browserWSEndpoint: browserApp.wsEndpoint()});
const page = await remote.defaultContext().newPage();
await remote.disconnect();
const error = await page.evaluate('1 + 1').catch(e => e);
expect(error.message).toContain('has been closed');
await browserApp.close();
});
});
describe('Browser.close', function() {
it('should terminate network waiters', async({context, server}) => {
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const remote = await playwright.connect({...defaultBrowserOptions, browserWSEndpoint: browserApp.wsEndpoint()});
const newPage = await remote.defaultContext().newPage();
const results = await Promise.all([
newPage.waitForRequest(server.EMPTY_PAGE).catch(e => e),
newPage.waitForResponse(server.EMPTY_PAGE).catch(e => e),
browserApp.close()
]);
for (let i = 0; i < 2; i++) {
const message = results[i].message;
expect(message).toContain('Target closed');
expect(message).not.toContain('Timeout');
}
});
});
describe('Playwright.connect', function() {
it.skip(WEBKIT)('should be able to reconnect to a browser', async({server}) => {
const browserApp = await playwright.launchBrowserApp(defaultBrowserOptions);
const browser = await playwright.connect(browserApp.connectOptions());
const browserWSEndpoint = browserApp.wsEndpoint();
const page = await browser.defaultContext().newPage();
await page.goto(server.PREFIX + '/frames/nested-frames.html');
await browser.disconnect();
const remote = await playwright.connect({...defaultBrowserOptions, browserWSEndpoint});
const pages = await remote.defaultContext().pages();
const restoredPage = pages.find(page => page.url() === server.PREFIX + '/frames/nested-frames.html');
expect(utils.dumpFrames(restoredPage.mainFrame())).toEqual([
'http://localhost:<PORT>/frames/nested-frames.html',
' http://localhost:<PORT>/frames/frame.html (aframe)',
' http://localhost:<PORT>/frames/two-frames.html (2frames)',
' http://localhost:<PORT>/frames/frame.html (dos)',
' http://localhost:<PORT>/frames/frame.html (uno)',
]);
expect(await restoredPage.evaluate(() => 7 * 8)).toBe(56);
await browserApp.close();
});
});
describe.skip(FFOX | WEBKIT)('Playwright.launch({userDataDir})', function() {
it('userDataDir option', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await playwright.launch(options);
// Open a page to make sure its functional.
await browser.defaultContext().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 = [
...(defaultBrowserOptions.args || []),
`--user-data-dir=${userDataDir}`
];
const browser = await playwright.launch(options);
// Open a page to make sure its functional.
await browser.defaultContext().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('should return the default arguments', async() => {
if (CHROMIUM)
expect(playwright.defaultArgs()).toContain('--no-first-run');
expect(playwright.defaultArgs()).toContain('--headless');
expect(playwright.defaultArgs({headless: false})).not.toContain('--headless');
expect(playwright.defaultArgs({userDataDir: 'foo'})).toContain('--user-data-dir=foo');
});
it('should filter out ignored default arguments', async() => {
// Make sure we launch with `--enable-automation` by default.
const defaultArgs = playwright.defaultArgs(defaultBrowserOptions);
const browserApp = await playwright.launchBrowserApp(Object.assign({}, defaultBrowserOptions, {
// Ignore first and third default argument.
ignoreDefaultArgs: [ defaultArgs[0], defaultArgs[2] ],
}));
const spawnargs = browserApp.process().spawnargs;
expect(spawnargs.indexOf(defaultArgs[0])).toBe(-1);
expect(spawnargs.indexOf(defaultArgs[1])).not.toBe(-1);
expect(spawnargs.indexOf(defaultArgs[2])).toBe(-1);
await browserApp.close();
});
it('userDataDir option should restore state', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await playwright.launch(options);
const page = await browser.defaultContext().newPage();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => localStorage.hey = 'hello');
await browser.close();
const browser2 = await playwright.launch(options);
const page2 = await browser2.defaultContext().newPage();
await page2.goto(server.EMPTY_PAGE);
expect(await page2.evaluate(() => localStorage.hey)).toBe('hello');
await browser2.close();
const browser3 = await playwright.launch(defaultBrowserOptions);
const page3 = await browser3.defaultContext().newPage();
await page3.goto(server.EMPTY_PAGE);
expect(await page3.evaluate(() => localStorage.hey)).not.toBe('hello');
await browser3.close();
// This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
await rmAsync(userDataDir).catch(e => {});
});
// This mysteriously fails on Windows on AppVeyor. See https://github.com/GoogleChrome/puppeteer/issues/4111
it('userDataDir option should restore cookies', async({server}) => {
const userDataDir = await mkdtempAsync(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await playwright.launch(options);
const page = await browser.defaultContext().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 playwright.launch(options);
const page2 = await browser2.defaultContext().newPage();
await page2.goto(server.EMPTY_PAGE);
expect(await page2.evaluate(() => document.cookie)).toBe('doSomethingOnlyOnce=true');
await browser2.close();
const browser3 = await playwright.launch(defaultBrowserOptions);
const page3 = await browser3.defaultContext().newPage();
await page3.goto(server.EMPTY_PAGE);
expect(await page3.evaluate(() => localStorage.hey)).not.toBe('doSomethingOnlyOnce=true');
await browser3.close();
// This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
await rmAsync(userDataDir).catch(e => {});
});
});
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};