puppeteer/test/src/launcher.spec.ts
2023-06-12 10:44:18 +02:00

1017 lines
36 KiB
TypeScript

/**
* 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.
*/
import fs from 'fs';
import {mkdtemp, readFile, writeFile} from 'fs/promises';
import os from 'os';
import path from 'path';
import {TLSSocket} from 'tls';
import {Protocol} from 'devtools-protocol';
import expect from 'expect';
import {TimeoutError} from 'puppeteer';
import {Page} from 'puppeteer-core/internal/api/Page.js';
import {rmSync} from 'puppeteer-core/internal/node/util/fs.js';
import sinon from 'sinon';
import {
getTestState,
itOnlyRegularInstall,
launch,
setupTestBrowserHooks,
} from './mocha-utils.js';
import {dumpFrames, waitEvent} from './utils.js';
const TMP_FOLDER = path.join(os.tmpdir(), 'pptr_tmp_folder-');
const FIREFOX_TIMEOUT = 30 * 1000;
describe('Launcher specs', function () {
setupTestBrowserHooks();
if (getTestState().isFirefox) {
this.timeout(FIREFOX_TIMEOUT);
}
describe('Puppeteer', function () {
describe('Browser.disconnect', function () {
it('should reject navigation when browser closes', async () => {
const {server, puppeteer, defaultBrowserOptions} = getTestState();
server.setRoute('/one-style.css', () => {});
const {browser, close} = await launch(defaultBrowserOptions);
try {
const remote = await puppeteer.connect({
browserWSEndpoint: browser.wsEndpoint(),
});
const page = await remote.newPage();
const navigationPromise = page
.goto(server.PREFIX + '/one-style.html', {timeout: 60000})
.catch(error_ => {
return error_;
});
await server.waitForRequest('/one-style.css');
remote.disconnect();
const error = await navigationPromise;
expect(
[
'Navigation failed because browser has disconnected!',
'Protocol error (Page.navigate): Target closed.',
].includes(error.message)
).toBeTruthy();
} finally {
await close();
}
});
it('should reject waitForSelector when browser closes', async () => {
const {server, puppeteer, defaultBrowserOptions} = getTestState();
server.setRoute('/empty.html', () => {});
const {browser, close} = await launch(defaultBrowserOptions);
try {
const remote = await puppeteer.connect({
browserWSEndpoint: browser.wsEndpoint(),
});
const page = await remote.newPage();
const watchdog = page
.waitForSelector('div', {timeout: 60000})
.catch(error_ => {
return error_;
});
remote.disconnect();
const error = await watchdog;
expect(error.message).toContain('Protocol error');
} finally {
await close();
}
});
});
describe('Browser.close', function () {
it('should terminate network waiters', async () => {
const {server, puppeteer, defaultBrowserOptions} = getTestState();
const {browser, close} = await launch(defaultBrowserOptions);
try {
const remote = await puppeteer.connect({
browserWSEndpoint: browser.wsEndpoint(),
});
const newPage = await remote.newPage();
const results = await Promise.all([
newPage.waitForRequest(server.EMPTY_PAGE).catch(error => {
return error;
}),
newPage.waitForResponse(server.EMPTY_PAGE).catch(error => {
return error;
}),
browser.close(),
]);
for (let i = 0; i < 2; i++) {
const message = results[i].message;
expect(message).toContain('Target closed');
expect(message).not.toContain('Timeout');
}
} finally {
await close();
}
});
});
describe('Puppeteer.launch', function () {
it('can launch and close the browser', async () => {
const {defaultBrowserOptions} = getTestState();
const {close} = await launch(defaultBrowserOptions);
await close();
});
it('should reject all promises when browser is closed', async () => {
const {defaultBrowserOptions} = getTestState();
const {page, close} = await launch(defaultBrowserOptions);
let error!: Error;
const neverResolves = page
.evaluate(() => {
return new Promise(() => {});
})
.catch(error_ => {
return (error = error_);
});
await close();
await neverResolves;
expect(error.message).toContain('Protocol error');
});
it('should reject if executable path is invalid', async () => {
const {defaultBrowserOptions} = getTestState();
let waitError!: Error;
const options = Object.assign({}, defaultBrowserOptions, {
executablePath: 'random-invalid-path',
});
await launch(options).catch(error => {
return (waitError = error);
});
expect(waitError.message).toContain('Failed to launch');
});
it('userDataDir option', async () => {
const {defaultBrowserOptions} = getTestState();
const userDataDir = await mkdtemp(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const {context, close} = await launch(options);
// Open a page to make sure its functional.
try {
await context.newPage();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
} finally {
await close();
}
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
// This might throw. See https://github.com/puppeteer/puppeteer/issues/2778
try {
rmSync(userDataDir);
} catch {}
});
it('tmp profile should be cleaned up', async () => {
const {defaultBrowserOptions, puppeteer} = getTestState();
// Set a custom test tmp dir so that we can validate that
// the profile dir is created and then cleaned up.
const testTmpDir = await fs.promises.mkdtemp(
path.join(os.tmpdir(), 'puppeteer_test_chrome_profile-')
);
const oldTmpDir = puppeteer.configuration.temporaryDirectory;
puppeteer.configuration.temporaryDirectory = testTmpDir;
// Path should be empty before starting the browser.
expect(fs.readdirSync(testTmpDir)).toHaveLength(0);
const {context, close} = await launch(defaultBrowserOptions);
try {
// One profile folder should have been created at this moment.
const profiles = fs.readdirSync(testTmpDir);
expect(profiles).toHaveLength(1);
expect(profiles[0]?.startsWith('puppeteer_dev_chrome_profile-')).toBe(
true
);
// Open a page to make sure its functional.
await context.newPage();
} finally {
await close();
}
// Profile should be deleted after closing the browser
expect(fs.readdirSync(testTmpDir)).toHaveLength(0);
// Restore env var
puppeteer.configuration.temporaryDirectory = oldTmpDir;
});
it('userDataDir option restores preferences', async () => {
const {defaultBrowserOptions} = getTestState();
const userDataDir = await mkdtemp(TMP_FOLDER);
const prefsJSPath = path.join(userDataDir, 'prefs.js');
const prefsJSContent = 'user_pref("browser.warnOnQuit", true)';
await writeFile(prefsJSPath, prefsJSContent);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const {context, close} = await launch(options);
try {
// Open a page to make sure its functional.
await context.newPage();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
await close();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
expect(await readFile(prefsJSPath, 'utf8')).toBe(prefsJSContent);
} finally {
await close();
}
// This might throw. See https://github.com/puppeteer/puppeteer/issues/2778
try {
rmSync(userDataDir);
} catch {}
});
it('userDataDir argument', async () => {
const {isChrome, defaultBrowserOptions} = getTestState();
const userDataDir = await mkdtemp(TMP_FOLDER);
const options = Object.assign({}, defaultBrowserOptions);
if (isChrome) {
options.args = [
...(defaultBrowserOptions.args || []),
`--user-data-dir=${userDataDir}`,
];
} else {
options.args = [
...(defaultBrowserOptions.args || []),
'-profile',
userDataDir,
];
}
const {close} = await launch(options);
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
await close();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
// This might throw. See https://github.com/puppeteer/puppeteer/issues/2778
try {
rmSync(userDataDir);
} catch {}
});
it('userDataDir argument with non-existent dir', async () => {
const {isChrome, defaultBrowserOptions} = getTestState();
const userDataDir = await mkdtemp(TMP_FOLDER);
rmSync(userDataDir);
const options = Object.assign({}, defaultBrowserOptions);
if (isChrome) {
options.args = [
...(defaultBrowserOptions.args || []),
`--user-data-dir=${userDataDir}`,
];
} else {
options.args = [
...(defaultBrowserOptions.args || []),
'-profile',
userDataDir,
];
}
const {close} = await launch(options);
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
await close();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
// This might throw. See https://github.com/puppeteer/puppeteer/issues/2778
try {
rmSync(userDataDir);
} catch {}
});
it('userDataDir option should restore state', async () => {
const {server, defaultBrowserOptions} = getTestState();
const userDataDir = await mkdtemp(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const {browser, close} = await launch(options);
try {
const page = await browser.newPage();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => {
return (localStorage['hey'] = 'hello');
});
} finally {
await close();
}
const {browser: browser2, close: close2} = await launch(options);
try {
const page2 = await browser2.newPage();
await page2.goto(server.EMPTY_PAGE);
expect(
await page2.evaluate(() => {
return localStorage['hey'];
})
).toBe('hello');
} finally {
await close2();
}
// This might throw. See https://github.com/puppeteer/puppeteer/issues/2778
try {
rmSync(userDataDir);
} catch {}
});
it('userDataDir option should restore cookies', async () => {
const {server, defaultBrowserOptions} = getTestState();
const userDataDir = await mkdtemp(TMP_FOLDER);
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const {browser, close} = await launch(options);
try {
const page = await browser.newPage();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => {
return (document.cookie =
'doSomethingOnlyOnce=true; expires=Fri, 31 Dec 9999 23:59:59 GMT');
});
} finally {
await close();
}
const {browser: browser2, close: close2} = await launch(options);
try {
const page2 = await browser2.newPage();
await page2.goto(server.EMPTY_PAGE);
expect(
await page2.evaluate(() => {
return document.cookie;
})
).toBe('doSomethingOnlyOnce=true');
} finally {
await close2();
}
// This might throw. See https://github.com/puppeteer/puppeteer/issues/2778
try {
rmSync(userDataDir);
} catch {}
});
it('should return the default arguments', async () => {
const {isChrome, isFirefox, puppeteer} = getTestState();
if (isChrome) {
expect(puppeteer.defaultArgs()).toContain('--no-first-run');
expect(puppeteer.defaultArgs()).toContain('--headless');
expect(puppeteer.defaultArgs({headless: false})).not.toContain(
'--headless'
);
expect(puppeteer.defaultArgs({userDataDir: 'foo'})).toContain(
`--user-data-dir=${path.resolve('foo')}`
);
} else if (isFirefox) {
expect(puppeteer.defaultArgs()).toContain('--headless');
expect(puppeteer.defaultArgs()).toContain('--no-remote');
if (os.platform() === 'darwin') {
expect(puppeteer.defaultArgs()).toContain('--foreground');
} else {
expect(puppeteer.defaultArgs()).not.toContain('--foreground');
}
expect(puppeteer.defaultArgs({headless: false})).not.toContain(
'--headless'
);
expect(puppeteer.defaultArgs({userDataDir: 'foo'})).toContain(
'--profile'
);
expect(puppeteer.defaultArgs({userDataDir: 'foo'})).toContain('foo');
} else {
expect(puppeteer.defaultArgs()).toContain('-headless');
expect(puppeteer.defaultArgs({headless: false})).not.toContain(
'-headless'
);
expect(puppeteer.defaultArgs({userDataDir: 'foo'})).toContain(
'-profile'
);
expect(puppeteer.defaultArgs({userDataDir: 'foo'})).toContain(
path.resolve('foo')
);
}
});
it('should report the correct product', async () => {
const {isChrome, isFirefox, puppeteer} = getTestState();
if (isChrome) {
expect(puppeteer.product).toBe('chrome');
} else if (isFirefox) {
expect(puppeteer.product).toBe('firefox');
}
});
it('should work with no default arguments', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions);
options.ignoreDefaultArgs = true;
const {context, close} = await launch(options);
try {
const page = await context.newPage();
expect(await page.evaluate('11 * 11')).toBe(121);
await page.close();
} finally {
await close();
}
});
it('should filter out ignored default arguments in Chrome', async () => {
const {defaultBrowserOptions, puppeteer} = getTestState();
// Make sure we launch with `--enable-automation` by default.
const defaultArgs = puppeteer.defaultArgs();
const {browser, close} = await launch(
Object.assign({}, defaultBrowserOptions, {
// Ignore first and third default argument.
ignoreDefaultArgs: [defaultArgs[0]!, defaultArgs[2]],
})
);
try {
const spawnargs = browser.process()!.spawnargs;
if (!spawnargs) {
throw new Error('spawnargs not present');
}
expect(spawnargs.indexOf(defaultArgs[0]!)).toBe(-1);
expect(spawnargs.indexOf(defaultArgs[1]!)).not.toBe(-1);
expect(spawnargs.indexOf(defaultArgs[2]!)).toBe(-1);
} finally {
await close();
}
});
it('should filter out ignored default argument in Firefox', async () => {
const {defaultBrowserOptions, puppeteer} = getTestState();
const defaultArgs = puppeteer.defaultArgs();
const {browser, close} = await launch(
Object.assign({}, defaultBrowserOptions, {
// Only the first argument is fixed, others are optional.
ignoreDefaultArgs: [defaultArgs[0]!],
})
);
try {
const spawnargs = browser.process()!.spawnargs;
if (!spawnargs) {
throw new Error('spawnargs not present');
}
expect(spawnargs.indexOf(defaultArgs[0]!)).toBe(-1);
expect(spawnargs.indexOf(defaultArgs[1]!)).not.toBe(-1);
} finally {
await close();
}
});
it('should have default URL when launching browser', async function () {
const {defaultBrowserOptions} = getTestState();
const {browser, close} = await launch(defaultBrowserOptions, {
createContext: false,
});
try {
const pages = (await browser.pages()).map(page => {
return page.url();
});
expect(pages).toEqual(['about:blank']);
} finally {
await close();
}
});
it('should have custom URL when launching browser', async () => {
const {server, defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions);
options.args = [server.EMPTY_PAGE].concat(options.args || []);
const {browser, close} = await launch(options, {createContext: false});
try {
const pages = await browser.pages();
expect(pages).toHaveLength(1);
const page = pages[0]!;
if (page.url() !== server.EMPTY_PAGE) {
await page.waitForNavigation();
}
expect(page.url()).toBe(server.EMPTY_PAGE);
} finally {
await close();
}
});
it('should pass the timeout parameter to browser.waitForTarget', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
timeout: 1,
});
let error!: Error;
await launch(options).catch(error_ => {
return (error = error_);
});
expect(error).toBeInstanceOf(TimeoutError);
});
it('should work with timeout = 0', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
timeout: 0,
});
const {close} = await launch(options);
await close();
});
it('should set the default viewport', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
defaultViewport: {
width: 456,
height: 789,
},
});
const {context, close} = await launch(options);
try {
const page = await context.newPage();
expect(await page.evaluate('window.innerWidth')).toBe(456);
expect(await page.evaluate('window.innerHeight')).toBe(789);
} finally {
await close();
}
});
it('should disable the default viewport', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
defaultViewport: null,
});
const {context, close} = await launch(options);
try {
const page = await context.newPage();
expect(page.viewport()).toBe(null);
} finally {
await close();
}
});
it('should take fullPage screenshots when defaultViewport is null', async () => {
const {server, defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
defaultViewport: null,
});
const {context, close} = await launch(options);
try {
const page = await context.newPage();
await page.goto(server.PREFIX + '/grid.html');
const screenshot = await page.screenshot({
fullPage: true,
});
expect(screenshot).toBeInstanceOf(Buffer);
} finally {
await close();
}
});
it('should set the debugging port', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
defaultViewport: null,
debuggingPort: 9999,
});
const {browser, close} = await launch(options);
try {
const url = new URL(browser.wsEndpoint());
expect(url.port).toBe('9999');
} finally {
await close();
}
});
it('should not allow setting debuggingPort and pipe', async () => {
const {defaultBrowserOptions} = getTestState();
const options = Object.assign({}, defaultBrowserOptions, {
defaultViewport: null,
debuggingPort: 9999,
pipe: true,
});
let error!: Error;
await launch(options).catch(error_ => {
return (error = error_);
});
expect(error.message).toContain('either pipe or debugging port');
});
it('should launch Chrome properly with --no-startup-window and waitForInitialPage=false', async () => {
const {defaultBrowserOptions} = getTestState();
const options = {
waitForInitialPage: false,
// This is needed to prevent Puppeteer from adding an initial blank page.
// See also https://github.com/puppeteer/puppeteer/blob/ad6b736039436fcc5c0a262e5b575aa041427be3/src/node/Launcher.ts#L200
ignoreDefaultArgs: true,
...defaultBrowserOptions,
args: ['--no-startup-window'],
};
const {browser, close} = await launch(options, {createContext: false});
try {
const pages = await browser.pages();
expect(pages).toHaveLength(0);
} finally {
await close();
}
});
});
describe('Puppeteer.launch', function () {
itOnlyRegularInstall('should be able to launch Chrome', async () => {
const {browser, close} = await launch({product: 'chrome'});
try {
const userAgent = await browser.userAgent();
expect(userAgent).toContain('Chrome');
} finally {
await close();
}
});
it('should be able to launch Firefox', async function () {
this.timeout(FIREFOX_TIMEOUT);
const {browser, close} = await launch({product: 'firefox'});
try {
const userAgent = await browser.userAgent();
expect(userAgent).toContain('Firefox');
} finally {
await close();
}
});
});
describe('Puppeteer.connect', function () {
it('should be able to connect multiple times to the same browser', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {browser, close} = await launch(defaultBrowserOptions);
try {
const otherBrowser = await puppeteer.connect({
browserWSEndpoint: browser.wsEndpoint(),
});
const page = await otherBrowser.newPage();
expect(
await page.evaluate(() => {
return 7 * 8;
})
).toBe(56);
otherBrowser.disconnect();
const secondPage = await browser.newPage();
expect(
await secondPage.evaluate(() => {
return 7 * 6;
})
).toBe(42);
} finally {
await close();
}
});
it('should be able to close remote browser', async () => {
const {defaultBrowserOptions, puppeteer} = getTestState();
const {browser, close} = await launch(defaultBrowserOptions);
try {
const remoteBrowser = await puppeteer.connect({
browserWSEndpoint: browser.wsEndpoint(),
});
await Promise.all([
waitEvent(browser, 'disconnected'),
remoteBrowser.close(),
]);
} finally {
await close();
}
});
it('should be able to connect to a browser with no page targets', async () => {
const {defaultBrowserOptions, puppeteer} = getTestState();
const {browser, close} = await launch(defaultBrowserOptions);
try {
const pages = await browser.pages();
await Promise.all(
pages.map(page => {
return page.close();
})
);
const remoteBrowser = await puppeteer.connect({
browserWSEndpoint: browser.wsEndpoint(),
});
await Promise.all([
waitEvent(browser, 'disconnected'),
remoteBrowser.close(),
]);
} finally {
await close();
}
});
it('should support ignoreHTTPSErrors option', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {httpsServer, browser, close} = await launch(
defaultBrowserOptions,
{
createContext: false,
}
);
try {
const browserWSEndpoint = browser.wsEndpoint();
const remoteBrowser = await puppeteer.connect({
browserWSEndpoint,
ignoreHTTPSErrors: true,
});
const page = await remoteBrowser.newPage();
let error!: Error;
const [serverRequest, response] = await Promise.all([
httpsServer.waitForRequest('/empty.html'),
page.goto(httpsServer.EMPTY_PAGE).catch(error_ => {
return (error = error_);
}),
]);
expect(error).toBeUndefined();
expect(response.ok()).toBe(true);
expect(response.securityDetails()).toBeTruthy();
const protocol = (serverRequest.socket as TLSSocket)
.getProtocol()!
.replace('v', ' ');
expect(response.securityDetails().protocol()).toBe(protocol);
await page.close();
await remoteBrowser.close();
} finally {
await close();
}
});
it('should support targetFilter option in puppeteer.launch', async () => {
const {defaultBrowserOptions} = getTestState();
const {browser, close} = await launch(
{
...defaultBrowserOptions,
targetFilter: target => {
return target.type !== 'page';
},
waitForInitialPage: false,
},
{createContext: false}
);
try {
const targets = browser.targets();
expect(targets).toHaveLength(1);
expect(
targets.find(target => {
return target.type() === 'page';
})
).toBeUndefined();
} finally {
await close();
}
});
// @see https://github.com/puppeteer/puppeteer/issues/4197
it('should support targetFilter option', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {server, browser, close} = await launch(defaultBrowserOptions, {
createContext: false,
});
try {
const browserWSEndpoint = browser.wsEndpoint();
const page1 = await browser.newPage();
await page1.goto(server.EMPTY_PAGE);
const page2 = await browser.newPage();
await page2.goto(server.EMPTY_PAGE + '?should-be-ignored');
const remoteBrowser = await puppeteer.connect({
browserWSEndpoint,
targetFilter: (targetInfo: Protocol.Target.TargetInfo) => {
return !targetInfo.url?.includes('should-be-ignored');
},
});
const pages = await remoteBrowser.pages();
await page2.close();
await page1.close();
remoteBrowser.disconnect();
await browser.close();
expect(
pages
.map((p: Page) => {
return p.url();
})
.sort()
).toEqual(['about:blank', server.EMPTY_PAGE]);
} finally {
await close();
}
});
it('should be able to reconnect to a disconnected browser', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {server, browser, close} = await launch(defaultBrowserOptions);
try {
const browserWSEndpoint = browser.wsEndpoint();
const page = await browser.newPage();
await page.goto(server.PREFIX + '/frames/nested-frames.html');
browser.disconnect();
const remoteBrowser = await puppeteer.connect({browserWSEndpoint});
const pages = await remoteBrowser.pages();
const restoredPage = pages.find(page => {
return page.url() === server.PREFIX + '/frames/nested-frames.html';
})!;
expect(dumpFrames(restoredPage.mainFrame())).toEqual([
'http://localhost:<PORT>/frames/nested-frames.html',
' http://localhost:<PORT>/frames/two-frames.html (2frames)',
' http://localhost:<PORT>/frames/frame.html (uno)',
' http://localhost:<PORT>/frames/frame.html (dos)',
' http://localhost:<PORT>/frames/frame.html (aframe)',
]);
expect(
await restoredPage.evaluate(() => {
return 7 * 8;
})
).toBe(56);
await remoteBrowser.close();
} finally {
await close();
}
});
// @see https://github.com/puppeteer/puppeteer/issues/4197#issuecomment-481793410
it('should be able to connect to the same page simultaneously', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {browser: browserOne, close} = await launch(
defaultBrowserOptions
);
try {
const browserTwo = await puppeteer.connect({
browserWSEndpoint: browserOne.wsEndpoint(),
});
const [page1, page2] = await Promise.all([
new Promise<Page>(x => {
return browserOne.once('targetcreated', target => {
return x(target.page());
});
}),
browserTwo.newPage(),
]);
expect(
await page1.evaluate(() => {
return 7 * 8;
})
).toBe(56);
expect(
await page2.evaluate(() => {
return 7 * 6;
})
).toBe(42);
} finally {
await close();
}
});
it('should be able to reconnect', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {
server,
browser: browserOne,
close,
} = await launch(defaultBrowserOptions);
try {
const browserWSEndpoint = browserOne.wsEndpoint();
const pageOne = await browserOne.newPage();
await pageOne.goto(server.EMPTY_PAGE);
browserOne.disconnect();
const browserTwo = await puppeteer.connect({
browserWSEndpoint,
});
const pages = await browserTwo.pages();
const pageTwo = pages.find(page => {
return page.url() === server.EMPTY_PAGE;
})!;
await pageTwo.reload();
const bodyHandle = await pageTwo.waitForSelector('body', {
timeout: 10000,
});
await bodyHandle!.dispose();
await browserTwo.close();
} finally {
await close();
}
});
});
describe('Puppeteer.executablePath', function () {
itOnlyRegularInstall('should work', async () => {
const {puppeteer} = getTestState();
const executablePath = puppeteer.executablePath();
expect(fs.existsSync(executablePath)).toBe(true);
expect(fs.realpathSync(executablePath)).toBe(executablePath);
});
it('returns executablePath for channel', () => {
const {puppeteer} = getTestState();
const executablePath = puppeteer.executablePath('chrome');
expect(executablePath).toBeTruthy();
});
describe('when executable path is configured', () => {
const sandbox = sinon.createSandbox();
beforeEach(() => {
const {puppeteer} = getTestState();
sandbox
.stub(puppeteer.configuration, 'executablePath')
.value('SOME_CUSTOM_EXECUTABLE');
});
afterEach(() => {
sandbox.restore();
});
it('its value is used', async () => {
const {puppeteer} = getTestState();
try {
puppeteer.executablePath();
} catch (error) {
expect((error as Error).message).toContain(
'SOME_CUSTOM_EXECUTABLE'
);
}
});
});
});
});
describe('Browser target events', function () {
it('should work', async () => {
const {defaultBrowserOptions} = getTestState();
const {browser, server, close} = await launch(defaultBrowserOptions);
try {
const events: string[] = [];
browser.on('targetcreated', () => {
return events.push('CREATED');
});
browser.on('targetchanged', () => {
return events.push('CHANGED');
});
browser.on('targetdestroyed', () => {
return events.push('DESTROYED');
});
const page = await browser.newPage();
await page.goto(server.EMPTY_PAGE);
await page.close();
expect(events).toEqual(['CREATED', 'CHANGED', 'DESTROYED']);
} finally {
await close();
}
});
});
describe('Browser.Events.disconnected', function () {
it('should be emitted when: browser gets closed, disconnected or underlying websocket gets closed', async () => {
const {puppeteer, defaultBrowserOptions} = getTestState();
const {browser, close} = await launch(defaultBrowserOptions);
try {
const browserWSEndpoint = browser.wsEndpoint();
const remoteBrowser1 = await puppeteer.connect({
browserWSEndpoint,
});
const remoteBrowser2 = await puppeteer.connect({
browserWSEndpoint,
});
let disconnectedOriginal = 0;
let disconnectedRemote1 = 0;
let disconnectedRemote2 = 0;
browser.on('disconnected', () => {
return ++disconnectedOriginal;
});
remoteBrowser1.on('disconnected', () => {
return ++disconnectedRemote1;
});
remoteBrowser2.on('disconnected', () => {
return ++disconnectedRemote2;
});
await Promise.all([
waitEvent(remoteBrowser2, 'disconnected'),
remoteBrowser2.disconnect(),
]);
expect(disconnectedOriginal).toBe(0);
expect(disconnectedRemote1).toBe(0);
expect(disconnectedRemote2).toBe(1);
await Promise.all([
waitEvent(remoteBrowser1, 'disconnected'),
waitEvent(browser, 'disconnected'),
browser.close(),
]);
expect(disconnectedOriginal).toBe(1);
expect(disconnectedRemote1).toBe(1);
expect(disconnectedRemote2).toBe(1);
} finally {
await close();
}
});
});
});