/**
* 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 rm = require('rimraf').sync;
const path = require('path');
const {helper} = require('../lib/helper');
if (process.env.COVERAGE)
helper.recordPublicAPICoverage();
console.log('Testing on Node', process.version);
const puppeteer = require('..');
const SimpleServer = require('./server/SimpleServer');
const GoldenUtils = require('./golden-utils');
const YELLOW_COLOR = '\x1b[33m';
const RESET_COLOR = '\x1b[0m';
const GOLDEN_DIR = path.join(__dirname, 'golden');
const OUTPUT_DIR = path.join(__dirname, 'output');
const PORT = 8907;
const PREFIX = 'http://localhost:' + PORT;
const CROSS_PROCESS_PREFIX = 'http://127.0.0.1:' + PORT;
const EMPTY_PAGE = PREFIX + '/empty.html';
const HTTPS_PORT = 8908;
const HTTPS_PREFIX = 'https://localhost:' + HTTPS_PORT;
const headless = (process.env.HEADLESS || 'true').trim().toLowerCase() === 'true';
const slowMo = parseInt((process.env.SLOW_MO || '0').trim(), 10);
const executablePath = process.env.CHROME;
if (executablePath)
console.warn(`${YELLOW_COLOR}WARN: running tests with ${executablePath}${RESET_COLOR}`);
const defaultBrowserOptions = {
executablePath,
slowMo,
headless,
args: ['--no-sandbox']
};
if (process.env.DEBUG_TEST || slowMo)
jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 1000 * 1000;
else
jasmine.DEFAULT_TIMEOUT_INTERVAL = 10 * 1000;
// Make sure the `npm install` was run after the chromium roll.
{
const Downloader = require('../utils/ChromiumDownloader');
const chromiumRevision = require('../package.json').puppeteer.chromium_revision;
const revisionInfo = Downloader.revisionInfo(Downloader.currentPlatform(), chromiumRevision);
console.assert(revisionInfo.downloaded, `Chromium r${chromiumRevision} is not downloaded. Run 'npm install' and try to re-run tests.`);
}
let server;
let httpsServer;
beforeAll(SX(async function() {
const assetsPath = path.join(__dirname, 'assets');
server = await SimpleServer.create(assetsPath, PORT);
httpsServer = await SimpleServer.createHTTPS(assetsPath, HTTPS_PORT);
if (fs.existsSync(OUTPUT_DIR))
rm(OUTPUT_DIR);
}));
beforeEach(SX(async function() {
server.reset();
httpsServer.reset();
GoldenUtils.addMatchers(jasmine, GOLDEN_DIR, OUTPUT_DIR);
}));
afterAll(SX(async function() {
await Promise.all([
server.stop(),
httpsServer.stop(),
]);
}));
describe('Puppeteer', function() {
describe('Puppeteer.launch', function() {
xit('should support ignoreHTTPSErrors option', SX(async function() {
const options = Object.assign({ignoreHTTPSErrors: true}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
let error = null;
const response = await page.goto(HTTPS_PREFIX + '/empty.html').catch(e => error = e);
expect(error).toBe(null);
expect(response.ok).toBe(true);
browser.close();
}));
it('should reject all promises when browser is closed', SX(async function() {
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);
browser.close();
await neverResolves;
expect(error.message).toContain('Protocol error');
}));
it('should reject if executable path is invalid', SX(async function() {
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', SX(async function() {
const userDataDir = fs.mkdtempSync(path.join(__dirname, 'test-user-data-dir'));
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
await browser.close();
expect(fs.readdirSync(userDataDir).length).toBeGreaterThan(0);
rm(userDataDir);
}));
it('userDataDir argument', SX(async function() {
const userDataDir = fs.mkdtempSync(path.join(__dirname, 'test-user-data-dir'));
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);
rm(userDataDir);
}));
it('userDataDir option should restore state', SX(async function() {
const userDataDir = fs.mkdtempSync(path.join(__dirname, 'test-user-data-dir'));
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
await page.goto(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(EMPTY_PAGE);
expect(await page2.evaluate(() => localStorage.hey)).toBe('hello');
await browser2.close();
rm(userDataDir);
}));
it('userDataDir option should restore cookies', SX(async function() {
const userDataDir = fs.mkdtempSync(path.join(__dirname, 'test-user-data-dir'));
const options = Object.assign({userDataDir}, defaultBrowserOptions);
const browser = await puppeteer.launch(options);
const page = await browser.newPage();
await page.goto(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(EMPTY_PAGE);
expect(await page2.evaluate(() => document.cookie)).toBe('doSomethingOnlyOnce=true');
await browser2.close();
rm(userDataDir);
}));
});
describe('Puppeteer.connect', function() {
it('should be able to connect multiple times to the same browser', SX(async function() {
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 be able to reconnect to a disconnected browser', SX(async function() {
const originalBrowser = await puppeteer.launch(defaultBrowserOptions);
const browserWSEndpoint = originalBrowser.wsEndpoint();
const page = await originalBrowser.newPage();
await page.goto(PREFIX + '/frames/nested-frames.html');
originalBrowser.disconnect();
const FrameUtils = require('./frame-utils');
const browser = await puppeteer.connect({browserWSEndpoint});
const pages = await browser.pages();
const restoredPage = pages.find(page => page.url() === PREFIX + '/frames/nested-frames.html');
expect(FrameUtils.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', SX(async function() {
const executablePath = puppeteer.executablePath();
expect(fs.existsSync(executablePath)).toBe(true);
}));
});
});
describe('Page', function() {
const iPhone = require('../DeviceDescriptors')['iPhone 6'];
const iPhoneLandscape = require('../DeviceDescriptors')['iPhone 6 landscape'];
let browser;
let page;
beforeAll(SX(async function() {
browser = await puppeteer.launch(defaultBrowserOptions);
}));
afterAll(SX(async function() {
browser.close();
}));
beforeEach(SX(async function() {
page = await browser.newPage();
}));
afterEach(SX(async function() {
await page.close();
}));
describe('Browser.version', function() {
it('should return whether we are in headless', SX(async function() {
const version = await browser.version();
expect(version.length).toBeGreaterThan(0);
expect(version.startsWith('Headless')).toBe(headless);
}));
});
describe('Page.close', function() {
it('should reject all promises when page is closed', SX(async function() {
const newPage = await browser.newPage();
const neverResolves = newPage.evaluate(() => new Promise(r => {}));
newPage.close();
let error = null;
await neverResolves.catch(e => error = e);
expect(error.message).toContain('Protocol error');
}));
});
describe('Page.Events.error', function() {
it('should throw when page crashes', SX(async function() {
let error = null;
page.on('error', err => error = err);
page.goto('chrome://crash').catch(e => {});
await waitForEvents(page, 'error');
expect(error.message).toBe('Page crashed!');
}));
});
describe('Page.evaluate', function() {
it('should work', SX(async function() {
const result = await page.evaluate(() => 7 * 3);
expect(result).toBe(21);
}));
it('should await promise', SX(async function() {
const result = await page.evaluate(() => Promise.resolve(8 * 7));
expect(result).toBe(56);
}));
it('should work from-inside an exposed function', SX(async function() {
// Setup inpage callback, which calls Page.evaluate
await page.exposeFunction('callController', async function(a, b) {
return await page.evaluate((a, b) => a * b, a, b);
});
const result = await page.evaluate(async function() {
return await callController(9, 3);
});
expect(result).toBe(27);
}));
it('should reject promise with exception', SX(async function() {
let error = null;
await page.evaluate(() => not.existing.object.property).catch(e => error = e);
expect(error).toBeTruthy();
expect(error.message).toContain('not is not defined');
}));
it('should return complex objects', SX(async function() {
const object = {foo: 'bar!'};
const result = await page.evaluate(a => a, object);
expect(result).not.toBe(object);
expect(result).toEqual(object);
}));
it('should return NaN', SX(async function() {
const result = await page.evaluate(() => NaN);
expect(Object.is(result, NaN)).toBe(true);
}));
it('should return -0', SX(async function() {
const result = await page.evaluate(() => -0);
expect(Object.is(result, -0)).toBe(true);
}));
it('should return Infinity', SX(async function() {
const result = await page.evaluate(() => Infinity);
expect(Object.is(result, Infinity)).toBe(true);
}));
it('should return -Infinity', SX(async function() {
const result = await page.evaluate(() => -Infinity);
expect(Object.is(result, -Infinity)).toBe(true);
}));
it('should accept "undefined" as one of multiple parameters', SX(async function() {
const result = await page.evaluate((a, b) => Object.is(a, undefined) && Object.is(b, 'foo'), undefined, 'foo');
expect(result).toBe(true);
}));
it('should fail for window object', SX(async function() {
const result = await page.evaluate(() => window);
expect(result).toBe(undefined);
}));
it('should accept a string', SX(async function() {
const result = await page.evaluate('1 + 2');
expect(result).toBe(3);
}));
it('should accept a string with semi colons', SX(async function() {
const result = await page.evaluate('1 + 5;');
expect(result).toBe(6);
}));
it('should accept a string with comments', SX(async function() {
const result = await page.evaluate('2 + 5;\n// do some math!');
expect(result).toBe(7);
}));
it('should accept element handle as an argument', SX(async function() {
await page.setContent('');
const element = await page.$('section');
const text = await page.evaluate(e => e.textContent, element);
expect(text).toBe('42');
}));
it('should throw if underlying element was disposed', SX(async function() {
await page.setContent('');
const element = await page.$('section');
expect(element).toBeTruthy();
await element.dispose();
let error = null;
await page.evaluate(e => e.textContent, element).catch(e => error = e);
expect(error.message).toContain('JSHandle is disposed');
}));
it('should throw if elementHandles are from other frames', SX(async function() {
const FrameUtils = require('./frame-utils');
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
const bodyHandle = await page.frames()[1].$('body');
let error = null;
await page.evaluate(body => body.innerHTML, bodyHandle).catch(e => error = e);
expect(error).toBeTruthy();
expect(error.message).toContain('JSHandles can be evaluated only in the context they were created');
}));
it('should accept object handle as an argument', SX(async function() {
const navigatorHandle = await page.evaluateHandle(() => navigator);
const text = await page.evaluate(e => e.userAgent, navigatorHandle);
expect(text).toContain('Mozilla');
}));
it('should accept object handle to primitive types', SX(async function() {
const aHandle = await page.evaluateHandle(() => 5);
const isFive = await page.evaluate(e => Object.is(e, 5), aHandle);
expect(isFive).toBeTruthy();
}));
});
describe('Page.setOfflineMode', function() {
it('should work', SX(async function() {
await page.setOfflineMode(true);
let error = null;
await page.goto(EMPTY_PAGE).catch(e => error = e);
expect(error).toBeTruthy();
await page.setOfflineMode(false);
const response = await page.reload();
expect(response.status).toBe(200);
}));
it('should emulate navigator.onLine', SX(async function() {
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);
}));
});
describe('Page.evaluateHandle', function() {
it('should work', SX(async function() {
const windowHandle = await page.evaluateHandle(() => window);
expect(windowHandle).toBeTruthy();
}));
});
describe('ExecutionContext.queryObjects', function() {
it('should work', SX(async function() {
// Instantiate an object
await page.evaluate(() => window.set = new Set(['hello', 'world']));
const prototypeHandle = await page.evaluateHandle(() => Set.prototype);
const objectsHandle = await page.queryObjects(prototypeHandle);
const count = await page.evaluate(objects => objects.length, objectsHandle);
expect(count).toBe(1);
const values = await page.evaluate(objects => Array.from(objects[0].values()), objectsHandle);
expect(values).toEqual(['hello', 'world']);
}));
it('should fail for disposed handles', SX(async function() {
const prototypeHandle = await page.evaluateHandle(() => HTMLBodyElement.prototype);
await prototypeHandle.dispose();
let error = null;
await page.queryObjects(prototypeHandle).catch(e => error = e);
expect(error.message).toBe('Prototype JSHandle is disposed!');
}));
it('should fail primitive values as prototypes', SX(async function() {
const prototypeHandle = await page.evaluateHandle(() => 42);
let error = null;
await page.queryObjects(prototypeHandle).catch(e => error = e);
expect(error.message).toBe('Prototype JSHandle must not be referencing primitive value');
}));
});
describe('JSHandle.getProperty', function() {
it('should work', SX(async function() {
const aHandle = await page.evaluateHandle(() => ({
one: 1,
two: 2,
three: 3
}));
const twoHandle = await aHandle.getProperty('two');
expect(await twoHandle.jsonValue()).toEqual(2);
}));
});
describe('JSHandle.jsonValue', function() {
it('should work', SX(async function() {
const aHandle = await page.evaluateHandle(() => ({foo: 'bar'}));
const json = await aHandle.jsonValue();
expect(json).toEqual({foo: 'bar'});
}));
it('should not work with dates', SX(async function() {
const dateHandle = await page.evaluateHandle(() => new Date('2017-09-26T00:00:00.000Z'));
const json = await dateHandle.jsonValue();
expect(json).toEqual({});
}));
it('should throw for circular objects', SX(async function() {
const windowHandle = await page.evaluateHandle('window');
let error = null;
await windowHandle.jsonValue().catch(e => error = e);
expect(error.message).toContain('Object reference chain is too long');
}));
});
describe('JSHandle.getProperties', function() {
it('should work', SX(async function() {
const aHandle = await page.evaluateHandle(() => ({
foo: 'bar'
}));
const properties = await aHandle.getProperties();
const foo = properties.get('foo');
expect(foo).toBeTruthy();
expect(await foo.jsonValue()).toBe('bar');
}));
it('should return even non-own properties', SX(async function() {
const aHandle = await page.evaluateHandle(() => {
class A {
constructor() {
this.a = '1';
}
}
class B extends A {
constructor() {
super();
this.b = '2';
}
}
return new B();
});
const properties = await aHandle.getProperties();
expect(await properties.get('a').jsonValue()).toBe('1');
expect(await properties.get('b').jsonValue()).toBe('2');
}));
});
describe('JSHandle.asElement', function() {
it('should work', SX(async function() {
const aHandle = await page.evaluateHandle(() => document.body);
const element = aHandle.asElement();
expect(element).toBeTruthy();
}));
it('should return null for non-elements', SX(async function() {
const aHandle = await page.evaluateHandle(() => 2);
const element = aHandle.asElement();
expect(element).toBeFalsy();
}));
it('should return ElementHandle for TextNodes', SX(async function() {
await page.setContent('ee!
');
const aHandle = await page.evaluateHandle(() => document.querySelector('div').firstChild);
const element = aHandle.asElement();
expect(element).toBeTruthy();
expect(await page.evaluate(e => e.nodeType === HTMLElement.TEXT_NODE, element));
}));
});
describe('JSHandle.toString', function() {
it('should work for primitives', SX(async function() {
const numberHandle = await page.evaluateHandle(() => 2);
expect(numberHandle.toString()).toBe('JSHandle:2');
const stringHandle = await page.evaluateHandle(() => 'a');
expect(stringHandle.toString()).toBe('JSHandle:a');
}));
it('should work for complicated objects', SX(async function() {
const aHandle = await page.evaluateHandle(() => window);
expect(aHandle.toString()).toBe('JSHandle@object');
}));
});
describe('Frame.context', function() {
const FrameUtils = require('./frame-utils');
it('should work', SX(async function() {
await page.goto(EMPTY_PAGE);
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
expect(page.frames().length).toBe(2);
const [frame1, frame2] = page.frames();
expect(frame1.executionContext()).toBeTruthy();
expect(frame2.executionContext()).toBeTruthy();
expect(frame1.executionContext() !== frame2.executionContext()).toBeTruthy();
await Promise.all([
frame1.executionContext().evaluate(() => window.a = 1),
frame2.executionContext().evaluate(() => window.a = 2)
]);
const [a1, a2] = await Promise.all([
frame1.executionContext().evaluate(() => window.a),
frame2.executionContext().evaluate(() => window.a)
]);
expect(a1).toBe(1);
expect(a2).toBe(2);
}));
});
describe('Frame.evaluate', function() {
const FrameUtils = require('./frame-utils');
it('should have different execution contexts', SX(async function() {
await page.goto(EMPTY_PAGE);
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
expect(page.frames().length).toBe(2);
const frame1 = page.frames()[0];
const frame2 = page.frames()[1];
await frame1.evaluate(() => window.FOO = 'foo');
await frame2.evaluate(() => window.FOO = 'bar');
expect(await frame1.evaluate(() => window.FOO)).toBe('foo');
expect(await frame2.evaluate(() => window.FOO)).toBe('bar');
}));
it('should execute after cross-site navigation', SX(async function() {
await page.goto(EMPTY_PAGE);
const mainFrame = page.mainFrame();
expect(await mainFrame.evaluate(() => window.location.href)).toContain('localhost');
await page.goto(CROSS_PROCESS_PREFIX + '/empty.html');
expect(await mainFrame.evaluate(() => window.location.href)).toContain('127');
}));
});
describe('Frame.waitForFunction', function() {
it('should accept a string', SX(async function() {
const watchdog = page.waitForFunction('window.__FOO === 1');
await page.evaluate(() => window.__FOO = 1);
await watchdog;
}));
it('should poll on interval', SX(async function() {
let success = false;
const startTime = Date.now();
const polling = 100;
const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling})
.then(() => success = true);
await page.evaluate(() => window.__FOO = 'hit');
expect(success).toBe(false);
await page.evaluate(() => document.body.appendChild(document.createElement('div')));
await watchdog;
expect(Date.now() - startTime).not.toBeLessThan(polling / 2);
}));
it('should poll on mutation', SX(async function() {
let success = false;
const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling: 'mutation'})
.then(() => success = true);
await page.evaluate(() => window.__FOO = 'hit');
expect(success).toBe(false);
await page.evaluate(() => document.body.appendChild(document.createElement('div')));
await watchdog;
}));
it('should poll on raf', SX(async function() {
const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling: 'raf'});
await page.evaluate(() => window.__FOO = 'hit');
await watchdog;
}));
it('should throw on bad polling value', SX(async function() {
let error = null;
try {
await page.waitForFunction(() => !!document.body, {polling: 'unknown'});
} catch (e) {
error = e;
}
expect(error).toBeTruthy();
expect(error.message).toContain('polling');
}));
it('should throw negative polling interval', SX(async function() {
let error = null;
try {
await page.waitForFunction(() => !!document.body, {polling: -10});
} catch (e) {
error = e;
}
expect(error).toBeTruthy();
expect(error.message).toContain('Cannot poll with non-positive interval');
}));
});
describe('Frame.waitForSelector', function() {
const FrameUtils = require('./frame-utils');
const addElement = tag => document.body.appendChild(document.createElement(tag));
it('should immediately resolve promise if node exists', SX(async function() {
await page.goto(EMPTY_PAGE);
const frame = page.mainFrame();
let added = false;
await frame.waitForSelector('*').then(() => added = true);
expect(added).toBe(true);
added = false;
await frame.evaluate(addElement, 'div');
await frame.waitForSelector('div').then(() => added = true);
expect(added).toBe(true);
}));
it('should resolve promise when node is added', SX(async function() {
await page.goto(EMPTY_PAGE);
const frame = page.mainFrame();
let added = false;
const watchdog = frame.waitForSelector('div').then(() => added = true);
// run nop function..
await frame.evaluate(() => 42);
// .. to be sure that waitForSelector promise is not resolved yet.
expect(added).toBe(false);
await frame.evaluate(addElement, 'br');
expect(added).toBe(false);
await frame.evaluate(addElement, 'div');
await watchdog;
expect(added).toBe(true);
}));
it('should work when node is added through innerHTML', SX(async function() {
await page.goto(EMPTY_PAGE);
const watchdog = page.waitForSelector('h3 div');
await page.evaluate(addElement, 'span');
await page.evaluate(() => document.querySelector('span').innerHTML = '');
await watchdog;
}));
it('Page.waitForSelector is shortcut for main frame', SX(async function() {
await page.goto(EMPTY_PAGE);
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
const otherFrame = page.frames()[1];
let added = false;
page.waitForSelector('div').then(() => added = true);
await otherFrame.evaluate(addElement, 'div');
expect(added).toBe(false);
await page.evaluate(addElement, 'div');
expect(added).toBe(true);
}));
it('should run in specified frame', SX(async function() {
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
await FrameUtils.attachFrame(page, 'frame2', EMPTY_PAGE);
const frame1 = page.frames()[1];
const frame2 = page.frames()[2];
let added = false;
frame2.waitForSelector('div').then(() => added = true);
expect(added).toBe(false);
await frame1.evaluate(addElement, 'div');
expect(added).toBe(false);
await frame2.evaluate(addElement, 'div');
expect(added).toBe(true);
}));
it('should throw if evaluation failed', SX(async function() {
await page.evaluateOnNewDocument(function() {
document.querySelector = null;
});
await page.goto(EMPTY_PAGE);
let error = null;
await page.waitForSelector('*').catch(e => error = e);
expect(error.message).toContain('document.querySelector is not a function');
}));
it('should throw when frame is detached', SX(async function() {
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
const frame = page.frames()[1];
let waitError = null;
const waitPromise = frame.waitForSelector('.box').catch(e => waitError = e);
await FrameUtils.detachFrame(page, 'frame1');
await waitPromise;
expect(waitError).toBeTruthy();
expect(waitError.message).toContain('waitForSelector failed: frame got detached.');
}));
it('should survive cross-process navigation', SX(async function() {
let boxFound = false;
const waitForSelector = page.waitForSelector('.box').then(() => boxFound = true);
await page.goto(EMPTY_PAGE);
expect(boxFound).toBe(false);
await page.reload();
expect(boxFound).toBe(false);
await page.goto(CROSS_PROCESS_PREFIX + '/grid.html');
await waitForSelector;
expect(boxFound).toBe(true);
}));
it('should wait for visible', SX(async function() {
let divFound = false;
const waitForSelector = page.waitForSelector('div', {visible: true}).then(() => divFound = true);
await page.setContent(``);
expect(divFound).toBe(false);
await page.evaluate(() => document.querySelector('div').style.removeProperty('display'));
expect(divFound).toBe(false);
await page.evaluate(() => document.querySelector('div').style.removeProperty('visibility'));
expect(await waitForSelector).toBe(true);
expect(divFound).toBe(true);
}));
it('hidden should wait for visibility: hidden', SX(async function() {
let divHidden = false;
await page.setContent(``);
const waitForSelector = page.waitForSelector('div', {hidden: true}).then(() => divHidden = true);
await page.evaluate(() => document.querySelector('div').style.setProperty('visibility', 'hidden'));
expect(await waitForSelector).toBe(true);
expect(divHidden).toBe(true);
}));
it('hidden should wait for display: none', SX(async function() {
let divHidden = false;
await page.setContent(``);
const waitForSelector = page.waitForSelector('div', {hidden: true}).then(() => divHidden = true);
await page.evaluate(() => document.querySelector('div').style.setProperty('display', 'none'));
expect(await waitForSelector).toBe(true);
expect(divHidden).toBe(true);
}));
it('hidden should wait for removal', SX(async function() {
await page.setContent(``);
let divRemoved = false;
const waitForSelector = page.waitForSelector('div', {hidden: true}).then(() => divRemoved = true);
expect(divRemoved).toBe(false);
await page.evaluate(() => document.querySelector('div').remove());
expect(await waitForSelector).toBe(true);
expect(divRemoved).toBe(true);
}));
it('should respect timeout', SX(async function() {
let error = null;
await page.waitForSelector('div', {timeout: 10}).catch(e => error = e);
expect(error).toBeTruthy();
expect(error.message).toContain('waiting failed: timeout');
}));
it('should respond to node attribute mutation', SX(async function() {
let divFound = false;
const waitForSelector = page.waitForSelector('.zombo').then(() => divFound = true);
await page.setContent(``);
expect(divFound).toBe(false);
await page.evaluate(() => document.querySelector('div').className = 'zombo');
expect(await waitForSelector).toBe(true);
}));
});
describe('Page.waitFor', function() {
it('should wait for selector', SX(async function() {
let found = false;
const waitFor = page.waitFor('div').then(() => found = true);
await page.goto(EMPTY_PAGE);
expect(found).toBe(false);
await page.goto(PREFIX + '/grid.html');
await waitFor;
expect(found).toBe(true);
}));
it('should timeout', SX(async function() {
const startTime = Date.now();
const timeout = 42;
await page.waitFor(timeout);
expect(Date.now() - startTime).not.toBeLessThan(timeout / 2);
}));
it('should wait for predicate', SX(async function() {
const watchdog = page.waitFor(() => window.innerWidth < 100);
page.setViewport({width: 10, height: 10});
await watchdog;
}));
it('should throw when unknown type', SX(async function() {
let error = null;
await page.waitFor({foo: 'bar'}).catch(e => error = e);
expect(error.message).toContain('Unsupported target type');
}));
it('should wait for predicate with arguments', SX(async function() {
await page.waitFor((arg1, arg2) => arg1 !== arg2, {}, 1, 2);
}));
});
describe('Page.Events.Console', function() {
it('should work', SX(async function() {
let message = null;
page.once('console', m => message = m);
await Promise.all([
page.evaluate(() => console.log('hello', 5, {foo: 'bar'})),
waitForEvents(page, 'console')
]);
expect(message.text).toEqual('hello 5 JSHandle@object');
expect(message.type).toEqual('log');
expect(await message.args[0].jsonValue()).toEqual('hello');
expect(await message.args[1].jsonValue()).toEqual(5);
expect(await message.args[2].jsonValue()).toEqual({foo: 'bar'});
}));
it('should work for different console API calls', SX(async function() {
const messages = [];
page.on('console', msg => messages.push(msg));
await Promise.all([
page.evaluate(() => {
// A pair of time/timeEnd generates only one Console API call.
console.time('calling console.time');
console.timeEnd('calling console.time');
console.trace('calling console.trace');
console.dir('calling console.dir');
console.warn('calling console.warn');
console.error('calling console.error');
console.log(Promise.resolve('should not wait until resolved!'));
}),
// Wait for 5 events to hit - console.time is not reported
waitForEvents(page, 'console', 5)
]);
expect(messages.map(msg => msg.type)).toEqual([
'timeEnd', 'trace', 'dir', 'warning', 'error', 'log'
]);
expect(messages[0].text).toContain('calling console.time');
expect(messages.slice(1).map(msg => msg.text)).toEqual([
'calling console.trace',
'calling console.dir',
'calling console.warn',
'calling console.error',
'JSHandle@promise',
]);
}));
it('should not fail for window object', SX(async function() {
let message = null;
page.once('console', msg => message = msg);
await Promise.all([
page.evaluate(() => console.error(window)),
waitForEvents(page, 'console')
]);
expect(message.text).toBe('JSHandle@object');
}));
});
describe('Page.getMetrics', function() {
it('should get metrics from a page', SX(async function() {
await page.goto('about:blank');
const metrics = await page.getMetrics();
checkMetrics(metrics);
}));
it('metrics event fired on console.timeStamp', SX(async function() {
const metricsPromise = new Promise(fulfill => page.once('metrics', fulfill));
await page.evaluate(() => console.timeStamp('test42'));
const metrics = await metricsPromise;
expect(metrics.title).toBe('test42');
checkMetrics(metrics.metrics);
}));
function checkMetrics(metrics) {
const metricsToCheck = new Set([
'Timestamp',
'Documents',
'Frames',
'JSEventListeners',
'Nodes',
'LayoutCount',
'RecalcStyleCount',
'LayoutDuration',
'RecalcStyleDuration',
'ScriptDuration',
'TaskDuration',
'JSHeapUsedSize',
'JSHeapTotalSize',
]);
for (const name in metrics) {
expect(metricsToCheck.has(name)).toBeTruthy();
expect(metrics[name]).toBeGreaterThanOrEqual(0);
metricsToCheck.delete(name);
}
expect(metricsToCheck.size).toBe(0);
}
});
describe('Page.goto', function() {
it('should navigate to about:blank', SX(async function() {
const response = await page.goto('about:blank');
expect(response).toBe(null);
}));
it('should navigate to empty page with domcontentloaded', SX(async function() {
const response = await page.goto(EMPTY_PAGE, {waitUntil: 'domcontentloaded'});
expect(response.status).toBe(200);
}));
it('should navigate to empty page with networkidle0', SX(async function() {
const response = await page.goto(EMPTY_PAGE, {waitUntil: 'networkidle0'});
expect(response.status).toBe(200);
}));
it('should navigate to empty page with networkidle2', SX(async function() {
const response = await page.goto(EMPTY_PAGE, {waitUntil: 'networkidle2'});
expect(response.status).toBe(200);
}));
it('should fail when navigating to bad url', SX(async function() {
let error = null;
await page.goto('asdfasdf').catch(e => error = e);
expect(error.message).toContain('Cannot navigate to invalid URL');
}));
it('should fail when navigating to bad SSL', SX(async function() {
// Make sure that network events do not emit 'undefined'.
// @see https://crbug.com/750469
page.on('request', request => expect(request).toBeTruthy());
page.on('requestfinished', request => expect(request).toBeTruthy());
page.on('requestfailed', request => expect(request).toBeTruthy());
let error = null;
await page.goto(HTTPS_PREFIX + '/empty.html').catch(e => error = e);
expect(error.message).toContain('SSL Certificate error');
}));
it('should throw if networkidle is passed as an option', SX(async function() {
let error = null;
await page.goto(EMPTY_PAGE, {waitUntil: 'networkidle'}).catch(err => error = err);
expect(error.message).toContain('"networkidle" option is no longer supported');
}));
it('should fail when main resources failed to load', SX(async function() {
let error = null;
await page.goto('http://localhost:44123/non-existing-url').catch(e => error = e);
expect(error.message).toContain('Failed to navigate');
}));
it('should fail when exceeding maximum navigation timeout', SX(async function() {
let hasUnhandledRejection = false;
const unhandledRejectionHandler = () => hasUnhandledRejection = true;
process.on('unhandledRejection', unhandledRejectionHandler);
// Hang for request to the empty.html
server.setRoute('/empty.html', (req, res) => { });
let error = null;
await page.goto(PREFIX + '/empty.html', {timeout: 1}).catch(e => error = e);
expect(hasUnhandledRejection).toBe(false);
expect(error.message).toContain('Navigation Timeout Exceeded: 1ms');
process.removeListener('unhandledRejection', unhandledRejectionHandler);
}));
it('should disable timeout when its set to 0', SX(async function() {
let error = null;
await page.goto(PREFIX + '/grid.html', {timeout: 0}).catch(e => error = e);
expect(error).toBe(null);
}));
it('should work when navigating to valid url', SX(async function() {
const response = await page.goto(EMPTY_PAGE);
expect(response.ok).toBe(true);
}));
it('should work when navigating to data url', SX(async function() {
const response = await page.goto('data:text/html,hello');
expect(response.ok).toBe(true);
}));
it('should work when navigating to 404', SX(async function() {
const response = await page.goto(PREFIX + '/not-found');
expect(response.ok).toBe(false);
expect(response.status).toBe(404);
}));
it('should return last response in redirect chain', SX(async function() {
server.setRedirect('/redirect/1.html', '/redirect/2.html');
server.setRedirect('/redirect/2.html', '/redirect/3.html');
server.setRedirect('/redirect/3.html', EMPTY_PAGE);
const response = await page.goto(PREFIX + '/redirect/1.html');
expect(response.ok).toBe(true);
expect(response.url).toBe(EMPTY_PAGE);
}));
it('should wait for network idle to succeed navigation', SX(async function() {
let responses = [];
// Hold on to a bunch of requests without answering.
server.setRoute('/fetch-request-a.js', (req, res) => responses.push(res));
server.setRoute('/fetch-request-b.js', (req, res) => responses.push(res));
server.setRoute('/fetch-request-c.js', (req, res) => responses.push(res));
server.setRoute('/fetch-request-d.js', (req, res) => responses.push(res));
const initialFetchResourcesRequested = Promise.all([
server.waitForRequest('/fetch-request-a.js'),
server.waitForRequest('/fetch-request-b.js'),
server.waitForRequest('/fetch-request-c.js'),
]);
const secondFetchResourceRequested = server.waitForRequest('/fetch-request-d.js');
// Navigate to a page which loads immediately and then does a bunch of
// requests via javascript's fetch method.
const navigationPromise = page.goto(PREFIX + '/networkidle.html', {
waitUntil: 'networkidle0',
});
// Track when the navigation gets completed.
let navigationFinished = false;
navigationPromise.then(() => navigationFinished = true);
// Wait for the page's 'load' event.
await new Promise(fulfill => page.once('load', fulfill));
expect(navigationFinished).toBe(false);
// Wait for the initial three resources to be requested.
await initialFetchResourcesRequested;
// Expect navigation still to be not finished.
expect(navigationFinished).toBe(false);
// Respond to initial requests.
for (const response of responses) {
response.statusCode = 404;
response.end(`File not found`);
}
// Reset responses array
responses = [];
// Wait for the second round to be requested.
await secondFetchResourceRequested;
// Expect navigation still to be not finished.
expect(navigationFinished).toBe(false);
// Respond to requests.
for (const response of responses) {
response.statusCode = 404;
response.end(`File not found`);
}
const response = await navigationPromise;
// Expect navigation to succeed.
expect(response.ok).toBe(true);
}));
it('should not leak listeners during navigation', SX(async function() {
let warning = null;
const warningHandler = w => warning = w;
process.on('warning', warningHandler);
for (let i = 0; i < 20; ++i)
await page.goto(EMPTY_PAGE);
process.removeListener('warning', warningHandler);
expect(warning).toBe(null);
}));
it('should not leak listeners during bad navigation', SX(async function() {
let warning = null;
const warningHandler = w => warning = w;
process.on('warning', warningHandler);
for (let i = 0; i < 20; ++i)
await page.goto('asdf').catch(e => {/* swallow navigation error */});
process.removeListener('warning', warningHandler);
expect(warning).toBe(null);
}));
it('should navigate to dataURL and fire dataURL requests', SX(async function() {
const requests = [];
page.on('request', request => requests.push(request));
const dataURL = 'data:text/html,yo
';
const response = await page.goto(dataURL);
expect(response.status).toBe(200);
expect(requests.length).toBe(1);
expect(requests[0].url).toBe(dataURL);
}));
it('should navigate to URL with hash and fire requests without hash', SX(async function() {
const requests = [];
page.on('request', request => requests.push(request));
const response = await page.goto(EMPTY_PAGE + '#hash');
expect(response.status).toBe(200);
expect(response.url).toBe(EMPTY_PAGE);
expect(requests.length).toBe(1);
expect(requests[0].url).toBe(EMPTY_PAGE);
}));
});
describe('Page.waitForNavigation', function() {
it('should work', SX(async function() {
await page.goto(EMPTY_PAGE);
const [result] = await Promise.all([
page.waitForNavigation(),
page.evaluate(url => window.location.href = url, PREFIX + '/grid.html')
]);
const response = await result;
expect(response.ok).toBe(true);
expect(response.url).toContain('grid.html');
}));
it('should work with both domcontentloaded and load', SX(async function() {
let response = null;
server.setRoute('/one-style.css', (req, res) => response = res);
page.goto(PREFIX + '/one-style.html');
const domContentLoadedPromise = page.waitForNavigation({
waitUntil: 'domcontentloaded'
});
let bothFired = false;
const bothFiredPromise = page.waitForNavigation({
waitUntil: ['load', 'domcontentloaded']
}).then(() => bothFired = true);
await server.waitForRequest('/one-style.css');
await domContentLoadedPromise;
expect(bothFired).toBe(false);
response.end();
await bothFiredPromise;
}));
});
describe('Page.goBack', function() {
it('should work', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.goto(PREFIX + '/grid.html');
let response = await page.goBack();
expect(response.ok).toBe(true);
expect(response.url).toContain(EMPTY_PAGE);
response = await page.goForward();
expect(response.ok).toBe(true);
expect(response.url).toContain('/grid.html');
response = await page.goForward();
expect(response).toBe(null);
}));
});
describe('Page.exposeFunction', function() {
it('should work', SX(async function() {
await page.exposeFunction('compute', function(a, b) {
return a * b;
});
const result = await page.evaluate(async function() {
return await compute(9, 4);
});
expect(result).toBe(36);
}));
it('should survive navigation', SX(async function() {
await page.exposeFunction('compute', function(a, b) {
return a * b;
});
await page.goto(EMPTY_PAGE);
const result = await page.evaluate(async function() {
return await compute(9, 4);
});
expect(result).toBe(36);
}));
it('should await returned promise', SX(async function() {
await page.exposeFunction('compute', function(a, b) {
return Promise.resolve(a * b);
});
const result = await page.evaluate(async function() {
return await compute(3, 5);
});
expect(result).toBe(15);
}));
});
describe('Page.setRequestInterception', function() {
it('should intercept', SX(async function() {
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.resourceType).toBe('document');
request.continue();
});
const response = await page.goto(EMPTY_PAGE);
expect(response.ok).toBe(true);
}));
it('should stop intercepting', SX(async function() {
await page.setRequestInterception(true);
page.once('request', request => request.continue());
await page.goto(EMPTY_PAGE);
await page.setRequestInterception(false);
await page.goto(EMPTY_PAGE);
}));
it('should show custom HTTP headers', SX(async function() {
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(EMPTY_PAGE);
expect(response.ok).toBe(true);
}));
it('should be abortable', SX(async function() {
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(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', SX(async function() {
await page.setRequestInterception(true);
page.on('request', request => {
request.abort('internetdisconnected');
});
let failedRequest = null;
page.on('requestfailed', request => failedRequest = request);
await page.goto(EMPTY_PAGE).catch(e => {});
expect(failedRequest).toBeTruthy();
expect(failedRequest.failure().errorText).toBe('net::ERR_INTERNET_DISCONNECTED');
}));
it('should amend HTTP headers', SX(async function() {
await page.setRequestInterception(true);
page.on('request', request => {
const headers = Object.assign({}, request.headers);
headers['FOO'] = 'bar';
request.continue({ headers });
});
await page.goto(EMPTY_PAGE);
const [request] = await Promise.all([
server.waitForRequest('/sleep.zzz'),
page.evaluate(() => fetch('/sleep.zzz'))
]);
expect(request.headers['foo']).toBe('bar');
}));
it('should fail navigation when aborting main resource', SX(async function() {
await page.setRequestInterception(true);
page.on('request', request => request.abort());
let error = null;
await page.goto(EMPTY_PAGE).catch(e => error = e);
expect(error).toBeTruthy();
expect(error.message).toContain('Failed to navigate');
}));
it('should work with redirects', SX(async function() {
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(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');
}));
it('should be able to abort redirects', SX(async function() {
await page.setRequestInterception(true);
server.setRedirect('/non-existing.json', '/non-existing-2.json');
server.setRedirect('/non-existing-2.json', '/simple.html');
page.on('request', request => {
if (request.url.includes('non-existing-2'))
request.abort();
else
request.continue();
});
await page.goto(EMPTY_PAGE);
const result = await page.evaluate(async() => {
try {
await fetch('/non-existing.json');
} catch (e) {
return e.message;
}
});
expect(result).toContain('Failed to fetch');
}));
it('should work with equal requests', SX(async function() {
await page.goto(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 fire dataURL requests', SX(async function() {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
requests.push(request);
request.continue();
});
const dataURL = 'data:text/html,yo
';
const response = await page.goto(dataURL);
expect(response.status).toBe(200);
expect(requests.length).toBe(1);
expect(requests[0].url).toBe(dataURL);
}));
it('should navigate to URL with hash and and fire requests without hash', SX(async function() {
await page.setRequestInterception(true);
const requests = [];
page.on('request', request => {
requests.push(request);
request.continue();
});
const response = await page.goto(EMPTY_PAGE + '#hash');
expect(response.status).toBe(200);
expect(response.url).toBe(EMPTY_PAGE);
expect(requests.length).toBe(1);
expect(requests[0].url).toBe(EMPTY_PAGE);
}));
it('should work with encoded URLs', SX(async function() {
// 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(PREFIX + '/some nonexisting page');
expect(response.status).toBe(404);
}));
it('should work with badly encoded URLs', SX(async function() {
await page.setRequestInterception(true);
server.setRoute('/malformed?rnd=%911', (req, res) => res.end());
page.on('request', request => request.continue());
const response = await page.goto(PREFIX + '/malformed?rnd=%911');
expect(response.status).toBe(200);
}));
it('should work with encoded URLs - 2', SX(async function() {
// 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,`);
expect(response.status).toBe(200);
expect(requests.length).toBe(2);
expect(requests[1].response().status).toBe(404);
}));
it('should not throw "Invalid Interception Id" if the request was cancelled', SX(async function() {
await page.setContent('');
await page.setRequestInterception(true);
let request = null;
page.on('request', async r => request = r);
page.$eval('iframe', (frame, url) => frame.src = url, EMPTY_PAGE),
// Wait for request interception.
await waitForEvents(page, 'request');
// Delete frame to cause request to be canceled.
await page.$eval('iframe', frame => frame.remove());
let error = null;
await request.continue().catch(e => error = e);
expect(error).toBe(null);
}));
it('should throw if interception is not enabled', SX(async function() {
let error = null;
page.on('request', async request => {
try {
await request.continue();
} catch (e) {
error = e;
}
});
await page.goto(EMPTY_PAGE);
expect(error.message).toContain('Request Interception is not enabled');
}));
});
describe('Request.respond', function() {
it('should work', SX(async function() {
await page.setRequestInterception(true);
page.on('request', request => {
request.respond({
status: 201,
headers: {
foo: 'bar'
},
body: 'Yo, page!'
});
});
const response = await page.goto(EMPTY_PAGE);
expect(response.status).toBe(201);
expect(response.headers.foo).toBe('bar');
expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
}));
it('should allow mocking binary responses', SX(async function() {
await page.setRequestInterception(true);
page.on('request', request => {
const imageBuffer = fs.readFileSync(path.join(__dirname, 'assets', 'pptr.png'));
request.respond({
contentType: 'image/png',
body: imageBuffer
});
});
await page.evaluate(PREFIX => {
const img = document.createElement('img');
img.src = PREFIX + '/does-not-exist.png';
document.body.appendChild(img);
return new Promise(fulfill => img.onload = fulfill);
}, PREFIX);
const img = await page.$('img');
expect(await img.screenshot()).toBeGolden('mock-binary-response.png');
}));
});
describe('Page.Events.Dialog', function() {
it('should fire', SX(async function() {
page.on('dialog', dialog => {
expect(dialog.type).toBe('alert');
expect(dialog.defaultValue()).toBe('');
expect(dialog.message()).toBe('yo');
dialog.accept();
});
await page.evaluate(() => alert('yo'));
}));
it('should allow accepting prompts', SX(async function() {
page.on('dialog', dialog => {
expect(dialog.type).toBe('prompt');
expect(dialog.defaultValue()).toBe('yes.');
expect(dialog.message()).toBe('question?');
dialog.accept('answer!');
});
const result = await page.evaluate(() => prompt('question?', 'yes.'));
expect(result).toBe('answer!');
}));
it('should dismiss the prompt', SX(async function() {
page.on('dialog', dialog => {
dialog.dismiss();
});
const result = await page.evaluate(() => prompt('question?'));
expect(result).toBe(null);
}));
});
describe('Page.Events.PageError', function() {
it('should fire', SX(async function() {
let error = null;
page.once('pageerror', e => error = e);
page.goto(PREFIX + '/error.html');
await waitForEvents(page, 'pageerror');
expect(error.message).toContain('Fancy');
}));
});
describe('Page.Events.Request', function() {
it('should fire', SX(async function() {
const requests = [];
page.on('request', request => requests.push(request));
await page.goto(EMPTY_PAGE);
expect(requests.length).toBe(1);
expect(requests[0].url).toContain('empty.html');
}));
});
describe('Frame Management', function() {
const FrameUtils = require('./frame-utils');
it('should handle nested frames', SX(async function() {
await page.goto(PREFIX + '/frames/nested-frames.html');
expect(FrameUtils.dumpFrames(page.mainFrame())).toBeGolden('nested-frames.txt');
}));
it('should send events when frames are manipulated dynamically', SX(async function() {
await page.goto(EMPTY_PAGE);
// validate frameattached events
const attachedFrames = [];
page.on('frameattached', frame => attachedFrames.push(frame));
await FrameUtils.attachFrame(page, 'frame1', './assets/frame.html');
expect(attachedFrames.length).toBe(1);
expect(attachedFrames[0].url()).toContain('/assets/frame.html');
// validate framenavigated events
const navigatedFrames = [];
page.on('framenavigated', frame => navigatedFrames.push(frame));
await FrameUtils.navigateFrame(page, 'frame1', './empty.html');
expect(navigatedFrames.length).toBe(1);
expect(navigatedFrames[0].url()).toContain('/empty.html');
// validate framedetached events
const detachedFrames = [];
page.on('framedetached', frame => detachedFrames.push(frame));
await FrameUtils.detachFrame(page, 'frame1');
expect(detachedFrames.length).toBe(1);
expect(detachedFrames[0].isDetached()).toBe(true);
}));
it('should persist mainFrame on cross-process navigation', SX(async function() {
await page.goto(EMPTY_PAGE);
const mainFrame = page.mainFrame();
await page.goto('http://127.0.0.1:' + PORT + '/empty.html');
expect(page.mainFrame() === mainFrame).toBeTruthy();
}));
it('should not send attach/detach events for main frame', SX(async function() {
let hasEvents = false;
page.on('frameattached', frame => hasEvents = true);
page.on('framedetached', frame => hasEvents = true);
await page.goto(EMPTY_PAGE);
expect(hasEvents).toBe(false);
}));
it('should detach child frames on navigation', SX(async function() {
let attachedFrames = [];
let detachedFrames = [];
let navigatedFrames = [];
page.on('frameattached', frame => attachedFrames.push(frame));
page.on('framedetached', frame => detachedFrames.push(frame));
page.on('framenavigated', frame => navigatedFrames.push(frame));
await page.goto(PREFIX + '/frames/nested-frames.html');
expect(attachedFrames.length).toBe(4);
expect(detachedFrames.length).toBe(0);
expect(navigatedFrames.length).toBe(5);
attachedFrames = [];
detachedFrames = [];
navigatedFrames = [];
await page.goto(EMPTY_PAGE);
expect(attachedFrames.length).toBe(0);
expect(detachedFrames.length).toBe(4);
expect(navigatedFrames.length).toBe(1);
}));
it('should report frame.name()', SX(async function() {
await FrameUtils.attachFrame(page, 'theFrameId', EMPTY_PAGE);
await page.evaluate(url => {
const frame = document.createElement('iframe');
frame.name = 'theFrameName';
frame.src = url;
document.body.appendChild(frame);
return new Promise(x => frame.onload = x);
}, EMPTY_PAGE);
expect(page.frames()[0].name()).toBe('');
expect(page.frames()[1].name()).toBe('theFrameId');
expect(page.frames()[2].name()).toBe('theFrameName');
}));
it('should report frame.parent()', SX(async function() {
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
await FrameUtils.attachFrame(page, 'frame2', EMPTY_PAGE);
expect(page.frames()[0].parentFrame()).toBe(null);
expect(page.frames()[1].parentFrame()).toBe(page.mainFrame());
expect(page.frames()[2].parentFrame()).toBe(page.mainFrame());
}));
});
describe('Page.$eval', function() {
it('should work', SX(async function() {
await page.setContent('');
const idAttribute = await page.$eval('section', e => e.id);
expect(idAttribute).toBe('testAttribute');
}));
it('should accept arguments', SX(async function() {
await page.setContent('');
const text = await page.$eval('section', (e, suffix) => e.textContent + suffix, ' world!');
expect(text).toBe('hello world!');
}));
it('should accept ElementHandles as arguments', SX(async function() {
await page.setContent(' world
');
const divHandle = await page.$('div');
const text = await page.$eval('section', (e, div) => e.textContent + div.textContent, divHandle);
expect(text).toBe('hello world');
}));
it('should throw error if no element is found', SX(async function() {
let error = null;
await page.$eval('section', e => e.id).catch(e => error = e);
expect(error.message).toContain('failed to find element matching selector "section"');
}));
});
describe('Page.$$eval', function() {
it('should work', SX(async function() {
await page.setContent('hello
beautiful
world!
');
const divsCount = await page.$$eval('div', divs => divs.length);
expect(divsCount).toBe(3);
}));
});
describe('Page.$', function() {
it('should query existing element', SX(async function() {
await page.setContent('');
const element = await page.$('section');
expect(element).toBeTruthy();
}));
it('should return null for non-existing element', SX(async function() {
const element = await page.$('non-existing-element');
expect(element).toBe(null);
}));
});
describe('Page.$$', function() {
it('should query existing elements', SX(async function() {
await page.setContent('A
B
');
const elements = await page.$$('div');
expect(elements.length).toBe(2);
const promises = elements.map(element => page.evaluate(e => e.textContent, element));
expect(await Promise.all(promises)).toEqual(['A', 'B']);
}));
it('should return empty array if nothing is found', SX(async function() {
await page.goto(EMPTY_PAGE);
const elements = await page.$$('div');
expect(elements.length).toBe(0);
}));
});
describe('ElementHandle.boundingBox', function() {
it('should work', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
const elementHandle = await page.$('.box:nth-of-type(13)');
const box = await elementHandle.boundingBox();
expect(box).toEqual({ x: 100, y: 50, width: 50, height: 50 });
}));
it('should handle nested frames', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/frames/nested-frames.html');
const nestedFrame = page.frames()[1].childFrames()[1];
const elementHandle = await nestedFrame.$('div');
const box = await elementHandle.boundingBox();
expect(box).toEqual({ x: 28, y: 260, width: 264, height: 18 });
}));
});
describe('ElementHandle.click', function() {
it('should work', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
const button = await page.$('button');
await button.click();
expect(await page.evaluate(() => result)).toBe('Clicked');
}));
it('should work for Shadow DOM v1', SX(async function() {
await page.goto(PREFIX + '/shadow.html');
const buttonHandle = await page.evaluateHandle(() => button);
await buttonHandle.click();
expect(await page.evaluate(() => clicked)).toBe(true);
}));
it('should work for TextNodes', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
const buttonTextNode = await page.evaluateHandle(() => document.querySelector('button').firstChild);
let error = null;
await buttonTextNode.click().catch(err => error = err);
expect(error.message).toBe('Node is not of type HTMLElement');
}));
it('should throw for detached nodes', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
const button = await page.$('button');
await page.evaluate(button => button.remove(), button);
let error = null;
await button.click().catch(err => error = err);
expect(error.message).toBe('Node is detached from document');
}));
});
describe('ElementHandle.hover', function() {
it('should work', SX(async function() {
await page.goto(PREFIX + '/input/scrollable.html');
const button = await page.$('#button-6');
await button.hover();
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
}));
});
describe('ElementHandle.screenshot', function() {
it('should work', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
await page.evaluate(() => window.scrollBy(50, 100));
const elementHandle = await page.$('.box:nth-of-type(3)');
const screenshot = await elementHandle.screenshot();
expect(screenshot).toBeGolden('screenshot-element-bounding-box.png');
}));
it('should take into account padding and border', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.setContent(`
something above
`);
const elementHandle = await page.$('div');
const screenshot = await elementHandle.screenshot();
expect(screenshot).toBeGolden('screenshot-element-padding-border.png');
}));
it('should work with a rotated element', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.setContent(`
`);
const elementHandle = await page.$('div');
const screenshot = await elementHandle.screenshot();
expect(screenshot).toBeGolden('screenshot-element-rotate.png');
}));
it('should fail to screenshot a detached element', SX(async function() {
await page.setContent('remove this
');
const elementHandle = await page.$('h1');
await page.evaluate(element => element.remove(), elementHandle);
const screenshotError = await elementHandle.screenshot().catch(error => error);
expect(screenshotError.message).toBe('Node is detached from document');
}));
});
describe('ElementHandle.$', function() {
it('should query existing element', SX(async function() {
await page.goto(PREFIX + '/playground.html');
await page.setContent('');
const html = await page.$('html');
const second = await html.$('.second');
const inner = await second.$('.inner');
const content = await page.evaluate(e => e.textContent, inner);
expect(content).toBe('A');
}));
it('should return null for non-existing element', SX(async function() {
await page.setContent('');
const html = await page.$('html');
const second = await html.$('.third');
expect(second).toBe(null);
}));
});
describe('ElementHandle.$$', function() {
it('should query existing elements', SX(async function() {
await page.setContent('A
B
');
const html = await page.$('html');
const elements = await html.$$('div');
expect(elements.length).toBe(2);
const promises = elements.map(element => page.evaluate(e => e.textContent, element));
expect(await Promise.all(promises)).toEqual(['A', 'B']);
}));
it('should return empty array for non-existing elements', SX(async function() {
await page.setContent('A
B');
const html = await page.$('html');
const elements = await html.$$('div');
expect(elements.length).toBe(0);
}));
});
describe('input', function() {
it('should click the button', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
await page.click('button');
expect(await page.evaluate(() => result)).toBe('Clicked');
}));
it('should fail to click a missing button', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
let error = null;
await page.click('button.does-not-exist').catch(e => error = e);
expect(error.message).toBe('No node found for selector: button.does-not-exist');
}));
// @see https://github.com/GoogleChrome/puppeteer/issues/161
it('should not hang with touch-enabled viewports', SX(async function() {
await page.setViewport(iPhone.viewport);
await page.mouse.down();
await page.mouse.move(100, 10);
await page.mouse.up();
}));
it('should type into the textarea', SX(async function() {
await page.goto(PREFIX + '/input/textarea.html');
const textarea = await page.$('textarea');
await textarea.type('Type in this text!');
expect(await page.evaluate(() => result)).toBe('Type in this text!');
}));
it('should click the button after navigation ', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
await page.click('button');
await page.goto(PREFIX + '/input/button.html');
await page.click('button');
expect(await page.evaluate(() => result)).toBe('Clicked');
}));
it('should upload the file', SX(async function(){
await page.goto(PREFIX + '/input/fileupload.html');
const filePath = path.relative(process.cwd(), __dirname + '/assets/file-to-upload.txt');
const input = await page.$('input');
await input.uploadFile(filePath);
expect(await page.evaluate(e => e.files[0].name, input)).toBe('file-to-upload.txt');
expect(await page.evaluate(e => {
const reader = new FileReader();
const promise = new Promise(fulfill => reader.onload = fulfill);
reader.readAsText(e.files[0]);
return promise.then(() => reader.result);
}, input)).toBe('contents of the file');
}));
it('should move with the arrow keys', SX(async function(){
await page.goto(PREFIX + '/input/textarea.html');
await page.type('textarea', 'Hello World!');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
for (let i = 0; i < 'World!'.length; i++)
page.keyboard.press('ArrowLeft');
await page.keyboard.type('inserted ');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello inserted World!');
page.keyboard.down('Shift');
for (let i = 0; i < 'inserted '.length; i++)
page.keyboard.press('ArrowLeft');
page.keyboard.up('Shift');
await page.keyboard.press('Backspace');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
}));
it('should send a character with ElementHandle.press', SX(async function() {
await page.goto(PREFIX + '/input/textarea.html');
const textarea = await page.$('textarea');
await textarea.press('a', {text: 'f'});
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('f');
await page.evaluate(() => window.addEventListener('keydown', e => e.preventDefault(), true));
await textarea.press('a', {text: 'y'});
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('f');
}));
it('should send a character with sendCharacter', SX(async function() {
await page.goto(PREFIX + '/input/textarea.html');
await page.focus('textarea');
await page.keyboard.sendCharacter('嗨');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨');
await page.evaluate(() => window.addEventListener('keydown', e => e.preventDefault(), true));
await page.keyboard.sendCharacter('a');
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨a');
}));
it('should report shiftKey', SX(async function(){
await page.goto(PREFIX + '/input/keyboard.html');
const keyboard = page.keyboard;
const codeForKey = {'Shift': 16, 'Alt': 18, 'Meta': 91, 'Control': 17};
for (const modifierKey in codeForKey) {
await keyboard.down(modifierKey);
expect(await page.evaluate(() => getResult())).toBe('Keydown: ' + modifierKey + ' ' + modifierKey + 'Left ' + codeForKey[modifierKey] + ' [' + modifierKey + ']');
await keyboard.down('!');
// Shift+! will generate a keypress
if (modifierKey === 'Shift')
expect(await page.evaluate(() => getResult())).toBe('Keydown: ! Digit1 49 [' + modifierKey + ']\nKeypress: ! Digit1 33 33 33 [' + modifierKey + ']');
else
expect(await page.evaluate(() => getResult())).toBe('Keydown: ! Digit1 49 [' + modifierKey + ']');
await keyboard.up('!');
expect(await page.evaluate(() => getResult())).toBe('Keyup: ! Digit1 49 [' + modifierKey + ']');
await keyboard.up(modifierKey);
expect(await page.evaluate(() => getResult())).toBe('Keyup: ' + modifierKey + ' ' + modifierKey + 'Left ' + codeForKey[modifierKey] + ' []');
}
}));
it('should report multiple modifiers', SX(async function(){
await page.goto(PREFIX + '/input/keyboard.html');
const keyboard = page.keyboard;
await keyboard.down('Control');
expect(await page.evaluate(() => getResult())).toBe('Keydown: Control ControlLeft 17 [Control]');
await keyboard.down('Meta');
expect(await page.evaluate(() => getResult())).toBe('Keydown: Meta MetaLeft 91 [Control Meta]');
await keyboard.down(';');
expect(await page.evaluate(() => getResult())).toBe('Keydown: ; Semicolon 186 [Control Meta]');
await keyboard.up(';');
expect(await page.evaluate(() => getResult())).toBe('Keyup: ; Semicolon 186 [Control Meta]');
await keyboard.up('Control');
expect(await page.evaluate(() => getResult())).toBe('Keyup: Control ControlLeft 17 [Meta]');
await keyboard.up('Meta');
expect(await page.evaluate(() => getResult())).toBe('Keyup: Meta MetaLeft 91 []');
}));
it('should send proper codes while typing', SX(async function(){
await page.goto(PREFIX + '/input/keyboard.html');
await page.keyboard.type('!');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: ! Digit1 49 []',
'Keypress: ! Digit1 33 33 33 []',
'Keyup: ! Digit1 49 []'].join('\n'));
await page.keyboard.type('^');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: ^ Digit6 54 []',
'Keypress: ^ Digit6 94 94 94 []',
'Keyup: ^ Digit6 54 []'].join('\n'));
}));
it('should send proper codes while typing with shift', SX(async function(){
await page.goto(PREFIX + '/input/keyboard.html');
const keyboard = page.keyboard;
await keyboard.down('Shift');
await page.keyboard.type('~');
expect(await page.evaluate(() => getResult())).toBe(
[ 'Keydown: Shift ShiftLeft 16 [Shift]',
'Keydown: ~ Backquote 192 [Shift]', // 192 is ` keyCode
'Keypress: ~ Backquote 126 126 126 [Shift]', // 126 is ~ charCode
'Keyup: ~ Backquote 192 [Shift]'].join('\n'));
await keyboard.up('Shift');
}));
it('should not type canceled events', SX(async function(){
await page.goto(PREFIX + '/input/textarea.html');
await page.focus('textarea');
await page.evaluate(() => {
window.addEventListener('keydown', event => {
event.stopPropagation();
event.stopImmediatePropagation();
if (event.key === 'l')
event.preventDefault();
if (event.key === 'o')
Promise.resolve().then(() => event.preventDefault());
}, false);
});
await page.keyboard.type('Hello World!');
expect(await page.evaluate(() => textarea.value)).toBe('He Wrd!');
}));
it('keyboard.modifiers()', SX(async function(){
const keyboard = page.keyboard;
expect(keyboard._modifiers).toBe(0);
await keyboard.down('Shift');
expect(keyboard._modifiers).toBe(8);
await keyboard.down('Alt');
expect(keyboard._modifiers).toBe(9);
await keyboard.up('Shift');
await keyboard.up('Alt');
expect(keyboard._modifiers).toBe(0);
}));
it('should resize the textarea', SX(async function(){
await page.goto(PREFIX + '/input/textarea.html');
const {x, y, width, height} = await page.evaluate(dimensions);
const mouse = page.mouse;
await mouse.move(x + width - 4, y + height - 4);
await mouse.down();
await mouse.move(x + width + 100, y + height + 100);
await mouse.up();
const newDimensions = await page.evaluate(dimensions);
expect(newDimensions.width).toBe(width + 104);
expect(newDimensions.height).toBe(height + 104);
}));
it('should scroll and click the button', SX(async function(){
await page.goto(PREFIX + '/input/scrollable.html');
await page.click('#button-5');
expect(await page.evaluate(() => document.querySelector('#button-5').textContent)).toBe('clicked');
await page.click('#button-80');
expect(await page.evaluate(() => document.querySelector('#button-80').textContent)).toBe('clicked');
}));
it('should click a partially obscured button', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
await page.evaluate(() => {
const button = document.querySelector('button');
button.textContent = 'Some really long text that will go offscreen';
button.style.position = 'absolute';
button.style.left = '368px';
});
await page.click('button');
expect(await page.evaluate(() => window.result)).toBe('Clicked');
}));
it('should select the text with mouse', SX(async function(){
await page.goto(PREFIX + '/input/textarea.html');
await page.focus('textarea');
const text = 'This is the text that we are going to try to select. Let\'s see how it goes.';
await page.keyboard.type(text);
await page.evaluate(() => document.querySelector('textarea').scrollTop = 0);
const {x, y} = await page.evaluate(dimensions);
await page.mouse.move(x + 2,y + 2);
await page.mouse.down();
await page.mouse.move(100,100);
await page.mouse.up();
expect(await page.evaluate(() => window.getSelection().toString())).toBe(text);
}));
it('should select the text by triple clicking', SX(async function(){
await page.goto(PREFIX + '/input/textarea.html');
await page.focus('textarea');
const text = 'This is the text that we are going to try to select. Let\'s see how it goes.';
await page.keyboard.type(text);
await page.click('textarea');
await page.click('textarea', {clickCount: 2});
await page.click('textarea', {clickCount: 3});
expect(await page.evaluate(() => window.getSelection().toString())).toBe(text);
}));
it('should trigger hover state', SX(async function(){
await page.goto(PREFIX + '/input/scrollable.html');
await page.hover('#button-6');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
await page.hover('#button-2');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-2');
await page.hover('#button-91');
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-91');
}));
it('should fire contextmenu event on right click', SX(async function(){
await page.goto(PREFIX + '/input/scrollable.html');
await page.click('#button-8', {button: 'right'});
expect(await page.evaluate(() => document.querySelector('#button-8').textContent)).toBe('context menu');
}));
it('should set modifier keys on click', SX(async function(){
await page.goto(PREFIX + '/input/scrollable.html');
await page.evaluate(() => document.querySelector('#button-3').addEventListener('mousedown', e => window.lastEvent = e, true));
const modifiers = {'Shift': 'shiftKey', 'Control': 'ctrlKey', 'Alt': 'altKey', 'Meta': 'metaKey'};
for (const modifier in modifiers) {
await page.keyboard.down(modifier);
await page.click('#button-3');
if (!(await page.evaluate(mod => window.lastEvent[mod], modifiers[modifier])))
fail(modifiers[modifier] + ' should be true');
await page.keyboard.up(modifier);
}
await page.click('#button-3');
for (const modifier in modifiers) {
if ((await page.evaluate(mod => window.lastEvent[mod], modifiers[modifier])))
fail(modifiers[modifier] + ' should be false');
}
}));
it('should specify repeat property', SX(async function(){
await page.goto(PREFIX + '/input/textarea.html');
await page.focus('textarea');
await page.evaluate(() => document.querySelector('textarea').addEventListener('keydown', e => window.lastEvent = e, true));
await page.keyboard.down('a', {text: 'a'});
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(false);
await page.keyboard.press('a');
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(true);
}));
// @see https://github.com/GoogleChrome/puppeteer/issues/206
it('should click links which cause navigation', SX(async function() {
await page.setContent(`empty.html`);
// This await should not hang.
await page.click('a');
}));
it('should tween mouse movement', SX(async function() {
await page.evaluate(() => {
window.result = [];
document.addEventListener('mousemove', event => {
window.result.push([event.clientX, event.clientY]);
});
});
await page.mouse.move(100, 100);
await page.mouse.move(200, 300, {steps: 5});
expect(await page.evaluate('result')).toEqual([
[100, 100],
[120, 140],
[140, 180],
[160, 220],
[180, 260],
[200, 300]
]);
}));
it('should tap the button', SX(async function() {
await page.goto(PREFIX + '/input/button.html');
await page.tap('button');
expect(await page.evaluate(() => result)).toBe('Clicked');
}));
xit('should report touches', SX(async function() {
await page.goto(PREFIX + '/input/touches.html');
const button = await page.$('button');
await button.tap();
expect(await page.evaluate(() => getResult())).toEqual(['Touchstart: 0', 'Touchend: 0']);
}));
it('should click the button inside an iframe', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.setContent('spacer
');
const FrameUtils = require('./frame-utils');
await FrameUtils.attachFrame(page, 'button-test', PREFIX + '/input/button.html');
const frame = page.frames()[1];
const button = await frame.$('button');
await button.click();
expect(await frame.evaluate(() => window.result)).toBe('Clicked');
}));
it('should click the button with deviceScaleFactor set', SX(async function() {
await page.setViewport({width: 400, height: 400, deviceScaleFactor: 5});
expect(await page.evaluate(() => window.devicePixelRatio)).toBe(5);
await page.setContent('spacer
');
const FrameUtils = require('./frame-utils');
await FrameUtils.attachFrame(page, 'button-test', PREFIX + '/input/button.html');
const frame = page.frames()[1];
const button = await frame.$('button');
await button.click();
expect(await frame.evaluate(() => window.result)).toBe('Clicked');
}));
it('should type all kinds of characters', SX(async function() {
await page.goto(PREFIX + '/input/textarea.html');
await page.focus('textarea');
const text = 'This text goes onto two lines.\nThis character is 嗨.';
await page.keyboard.type(text);
expect(await page.evaluate('result')).toBe(text);
}));
it('should specify location', SX(async function() {
await page.goto(PREFIX + '/input/textarea.html');
await page.evaluate(() => {
window.addEventListener('keydown', event => window.keyLocation = event.location, true);
});
const textarea = await page.$('textarea');
await textarea.press('Digit5');
expect(await page.evaluate('keyLocation')).toBe(0);
await textarea.press('ControlLeft');
expect(await page.evaluate('keyLocation')).toBe(1);
await textarea.press('ControlRight');
expect(await page.evaluate('keyLocation')).toBe(2);
await textarea.press('NumpadSubtract');
expect(await page.evaluate('keyLocation')).toBe(3);
}));
it('should throw on unknown keys', SX(async function() {
let error = await page.keyboard.press('NotARealKey').catch(e => e);
expect(error.message).toBe('Unknown key: "NotARealKey"');
error = await page.keyboard.press('ё').catch(e => e);
expect(error && error.message).toBe('Unknown key: "ё"');
error = await page.keyboard.press('😊').catch(e => e);
expect(error && error.message).toBe('Unknown key: "😊"');
}));
function dimensions() {
const rect = document.querySelector('textarea').getBoundingClientRect();
return {
x: rect.left,
y: rect.top,
width: rect.width,
height: rect.height
};
}
});
describe('Page.setUserAgent', function() {
it('should work', SX(async function() {
expect(await page.evaluate(() => navigator.userAgent)).toContain('Mozilla');
page.setUserAgent('foobar');
const [request] = await Promise.all([
server.waitForRequest('/empty.html'),
page.goto(EMPTY_PAGE),
]);
expect(request.headers['user-agent']).toBe('foobar');
}));
it('should emulate device user-agent', SX(async function() {
await page.goto(PREFIX + '/mobile.html');
expect(await page.evaluate(() => navigator.userAgent)).toContain('Chrome');
await page.setUserAgent(iPhone.userAgent);
expect(await page.evaluate(() => navigator.userAgent)).toContain('Safari');
}));
});
describe('Page.setExtraHTTPHeaders', function() {
it('should work', SX(async function() {
await page.setExtraHTTPHeaders({
foo: 'bar'
});
const [request] = await Promise.all([
server.waitForRequest('/empty.html'),
page.goto(EMPTY_PAGE),
]);
expect(request.headers['foo']).toBe('bar');
}));
it('should throw for non-string header values', SX(async function() {
let error = null;
try {
await page.setExtraHTTPHeaders({ 'foo': 1 });
} catch (e) {
error = e;
}
expect(error.message).toBe('Expected value of header "foo" to be String, but "number" is found.');
}));
});
describe('Page.authenticate', function() {
it('should work', SX(async function() {
server.setAuth('/empty.html', 'user', 'pass');
let response = await page.goto(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', SX(async function() {
// Use unique user/password since Chrome caches credentials per origin.
server.setAuth('/empty.html', 'user2', 'pass2');
await page.authenticate({
username: 'foo',
password: 'bar'
});
const response = await page.goto(EMPTY_PAGE);
expect(response.status).toBe(401);
}));
it('should allow disable authentication', SX(async function() {
// Use unique user/password since Chrome caches credentials per origin.
server.setAuth('/empty.html', 'user3', 'pass3');
await page.authenticate({
username: 'user3',
password: 'pass3'
});
let response = await page.goto(EMPTY_PAGE);
expect(response.status).toBe(200);
await page.authenticate(null);
// Navigate to a different origin to bust Chrome's credential caching.
response = await page.goto(CROSS_PROCESS_PREFIX + '/empty.html');
expect(response.status).toBe(401);
}));
});
describe('Page.setContent', function() {
const expectedOutput = 'hello
';
it('should work', SX(async function() {
await page.setContent('hello
');
const result = await page.content();
expect(result).toBe(expectedOutput);
}));
it('should work with doctype', SX(async function() {
const doctype = '';
await page.setContent(`${doctype}hello
`);
const result = await page.content();
expect(result).toBe(`${doctype}${expectedOutput}`);
}));
it('should work with HTML 4 doctype', SX(async function() {
const doctype = '';
await page.setContent(`${doctype}hello
`);
const result = await page.content();
expect(result).toBe(`${doctype}${expectedOutput}`);
}));
it('should await resources to load', SX(async function() {
const imgPath = '/img.png';
let imgResponse = null;
server.setRoute(imgPath, (req, res) => imgResponse = res);
let loaded = false;
const contentPromise = page.setContent(`
`).then(() => loaded = true);
await server.waitForRequest(imgPath);
expect(loaded).toBe(false);
imgResponse.end();
await contentPromise;
}));
});
describe('Network Events', function() {
it('Page.Events.Request', SX(async function() {
const requests = [];
page.on('request', request => requests.push(request));
await page.goto(EMPTY_PAGE);
expect(requests.length).toBe(1);
expect(requests[0].url).toBe(EMPTY_PAGE);
expect(requests[0].resourceType).toBe('document');
expect(requests[0].method).toBe('GET');
expect(requests[0].response()).toBeTruthy();
}));
it('Page.Events.Request should report post data', SX(async function() {
await page.goto(EMPTY_PAGE);
server.setRoute('/post', (req, res) => res.end());
let request = null;
page.on('request', r => request = r);
await page.evaluate(() => fetch('./post', { method: 'POST', body: JSON.stringify({foo: 'bar'})}));
expect(request).toBeTruthy();
expect(request.postData).toBe('{"foo":"bar"}');
}));
it('Page.Events.Response', SX(async function() {
const responses = [];
page.on('response', response => responses.push(response));
await page.goto(EMPTY_PAGE);
expect(responses.length).toBe(1);
expect(responses[0].url).toBe(EMPTY_PAGE);
expect(responses[0].status).toBe(200);
expect(responses[0].ok).toBe(true);
expect(responses[0].request()).toBeTruthy();
}));
it('Page.Events.Response should provide body', SX(async function() {
let response = null;
page.on('response', r => response = r);
await page.goto(PREFIX + '/simple.json');
expect(response).toBeTruthy();
expect(await response.text()).toBe('{"foo": "bar"}\n');
expect(await response.json()).toEqual({foo: 'bar'});
}));
it('Page.Events.Response should not report body unless request is finished', SX(async() => {
await page.goto(EMPTY_PAGE);
// Setup server to trap request.
let serverResponse = null;
server.setRoute('/get', (req, res) => {
serverResponse = res;
res.write('hello ');
});
// Setup page to trap response.
let pageResponse = null;
let requestFinished = false;
page.on('response', r => pageResponse = r);
page.on('requestfinished', () => requestFinished = true);
// send request and wait for server response
await Promise.all([
page.evaluate(() => fetch('./get', { method: 'GET'})),
waitForEvents(page, 'response')
]);
expect(serverResponse).toBeTruthy();
expect(pageResponse).toBeTruthy();
expect(pageResponse.status).toBe(200);
expect(requestFinished).toBe(false);
const responseText = pageResponse.text();
// Write part of the response and wait for it to be flushed.
await new Promise(x => serverResponse.write('wor', x));
// Finish response.
await new Promise(x => serverResponse.end('ld!', x));
expect(await responseText).toBe('hello world!');
}));
it('Page.Events.RequestFailed', SX(async function() {
await page.setRequestInterception(true);
page.on('request', request => {
if (request.url.endsWith('css'))
request.abort();
else
request.continue();
});
const failedRequests = [];
page.on('requestfailed', request => failedRequests.push(request));
await page.goto(PREFIX + '/one-style.html');
expect(failedRequests.length).toBe(1);
expect(failedRequests[0].url).toContain('one-style.css');
expect(failedRequests[0].response()).toBe(null);
expect(failedRequests[0].resourceType).toBe('stylesheet');
expect(failedRequests[0].failure().errorText).toBe('net::ERR_FAILED');
}));
it('Page.Events.RequestFinished', SX(async function() {
const requests = [];
page.on('requestfinished', request => requests.push(request));
await page.goto(EMPTY_PAGE);
expect(requests.length).toBe(1);
expect(requests[0].url).toBe(EMPTY_PAGE);
expect(requests[0].response()).toBeTruthy();
}));
it('should fire events in proper order', SX(async function() {
const events = [];
page.on('request', request => events.push('request'));
page.on('response', response => events.push('response'));
page.on('requestfinished', request => events.push('requestfinished'));
await page.goto(EMPTY_PAGE);
expect(events).toEqual(['request', 'response', 'requestfinished']);
}));
it('should support redirects', SX(async function() {
const events = [];
page.on('request', request => events.push(`${request.method} ${request.url}`));
page.on('response', response => events.push(`${response.status} ${response.url}`));
page.on('requestfinished', request => events.push(`DONE ${request.url}`));
page.on('requestfailed', request => events.push(`FAIL ${request.url}`));
server.setRedirect('/foo.html', '/empty.html');
const FOO_URL = PREFIX + '/foo.html';
await page.goto(FOO_URL);
expect(events).toEqual([
`GET ${FOO_URL}`,
`302 ${FOO_URL}`,
`DONE ${FOO_URL}`,
`GET ${EMPTY_PAGE}`,
`200 ${EMPTY_PAGE}`,
`DONE ${EMPTY_PAGE}`
]);
}));
});
describe('Page.addScriptTag', function() {
it('should throw an error if no options are provided', SX(async function() {
let error = null;
try {
await page.addScriptTag('/injectedfile.js');
} catch (e) {
error = e;
}
expect(error.message).toBe('Provide an object with a `url`, `path` or `content` property');
}));
it('should work with a url', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addScriptTag({ url: '/injectedfile.js' });
expect(await page.evaluate(() => __injected)).toBe(42);
}));
it('should work with a path', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addScriptTag({ path: path.join(__dirname, 'assets/injectedfile.js') });
expect(await page.evaluate(() => __injected)).toBe(42);
}));
it('should include sourcemap when path is provided', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addScriptTag({ path: path.join(__dirname, 'assets/injectedfile.js') });
const result = await page.evaluate(() => __injectedError.stack);
expect(result).toContain(path.join('assets', 'injectedfile.js'));
}));
it('should work with content', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addScriptTag({ content: 'window.__injected = 35;' });
expect(await page.evaluate(() => __injected)).toBe(35);
}));
});
describe('Page.addStyleTag', function() {
it('should throw an error if no options are provided', SX(async function() {
let error = null;
try {
await page.addStyleTag('/injectedstyle.css');
} catch (e) {
error = e;
}
expect(error.message).toBe('Provide an object with a `url`, `path` or `content` property');
}));
it('should work with a url', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addStyleTag({ url: '/injectedstyle.css' });
expect(await page.evaluate(`window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')`)).toBe('rgb(255, 0, 0)');
}));
it('should work with a path', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addStyleTag({ path: path.join(__dirname, 'assets/injectedstyle.css') });
expect(await page.evaluate(`window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')`)).toBe('rgb(255, 0, 0)');
}));
it('should include sourcemap when path is provided', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addStyleTag({ path: path.join(__dirname, 'assets/injectedstyle.css') });
const styleHandle = await page.$('style');
const styleContent = await page.evaluate(style => style.innerHTML, styleHandle);
expect(styleContent).toContain(path.join('assets', 'injectedstyle.css'));
styleHandle.dispose();
}));
it('should work with content', SX(async function() {
await page.goto(EMPTY_PAGE);
await page.addStyleTag({ content: 'body { background-color: green; }' });
expect(await page.evaluate(`window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')`)).toBe('rgb(0, 128, 0)');
}));
});
describe('Page.url', function() {
it('should work', SX(async function() {
expect(page.url()).toBe('about:blank');
await page.goto(EMPTY_PAGE);
expect(page.url()).toBe(EMPTY_PAGE);
}));
});
describe('Page.viewport', function() {
it('should get the proper viewport size', SX(async function() {
expect(page.viewport()).toEqual({width: 800, height: 600});
await page.setViewport({width: 123, height: 456});
expect(page.viewport()).toEqual({width: 123, height: 456});
}));
it('should support mobile emulation', SX(async function() {
await page.goto(PREFIX + '/mobile.html');
expect(await page.evaluate(() => window.innerWidth)).toBe(800);
await page.setViewport(iPhone.viewport);
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
await page.setViewport({width: 400, height: 300});
expect(await page.evaluate(() => window.innerWidth)).toBe(400);
}));
it('should support touch emulation', SX(async function() {
await page.goto(PREFIX + '/mobile.html');
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
await page.setViewport(iPhone.viewport);
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(true);
expect(await page.evaluate(dispatchTouch)).toBe('Recieved touch');
await page.setViewport({width: 100, height: 100});
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
function dispatchTouch() {
let fulfill;
const promise = new Promise(x => fulfill = x);
window.ontouchstart = function(e) {
fulfill('Recieved touch');
};
window.dispatchEvent(new Event('touchstart'));
fulfill('Did not recieve touch');
return promise;
}
}));
it('should be detectable by Modernizr', SX(async function(){
await page.goto(PREFIX + '/detect-touch.html');
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('NO');
await page.setViewport(iPhone.viewport);
await page.goto(PREFIX + '/detect-touch.html');
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('YES');
}));
it('should support landscape emulation', SX(async function() {
await page.goto(PREFIX + '/mobile.html');
expect(await page.evaluate(() => screen.orientation.type)).toBe('portrait-primary');
await page.setViewport(iPhoneLandscape.viewport);
expect(await page.evaluate(() => screen.orientation.type)).toBe('landscape-primary');
await page.setViewport({width: 100, height: 100});
expect(await page.evaluate(() => screen.orientation.type)).toBe('portrait-primary');
}));
});
describe('Page.emulate', function() {
it('should work', SX(async function() {
await page.goto(PREFIX + '/mobile.html');
await page.emulate(iPhone);
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
expect(await page.evaluate(() => navigator.userAgent)).toContain('Safari');
}));
});
describe('Page.emulateMedia', function() {
it('should work', SX(async function() {
expect(await page.evaluate(() => window.matchMedia('screen').matches)).toBe(true);
expect(await page.evaluate(() => window.matchMedia('print').matches)).toBe(false);
await page.emulateMedia('print');
expect(await page.evaluate(() => window.matchMedia('screen').matches)).toBe(false);
expect(await page.evaluate(() => window.matchMedia('print').matches)).toBe(true);
await page.emulateMedia(null);
expect(await page.evaluate(() => window.matchMedia('screen').matches)).toBe(true);
expect(await page.evaluate(() => window.matchMedia('print').matches)).toBe(false);
}));
it('should throw in case of bad argument', SX(async function() {
let error = null;
await page.emulateMedia('bad').catch(e => error = e);
expect(error.message).toBe('Unsupported media type: bad');
}));
});
describe('Page.setJavaScriptEnabled', function() {
it('should work', SX(async function() {
await page.setJavaScriptEnabled(false);
await page.goto('data:text/html, ');
let error = null;
await page.evaluate('something').catch(e => error = e);
expect(error.message).toContain('something is not defined');
await page.setJavaScriptEnabled(true);
await page.goto('data:text/html, ');
expect(await page.evaluate('something')).toBe('forbidden');
}));
});
describe('Page.evaluateOnNewDocument', function() {
it('should evaluate before anything else on the page', SX(async function() {
await page.evaluateOnNewDocument(function(){
window.injected = 123;
});
await page.goto(PREFIX + '/tamperable.html');
expect(await page.evaluate(() => window.result)).toBe(123);
}));
});
// Printing to pdf is currently only supported in headless
(headless ? describe : xdescribe)('Page.pdf', function() {
it('should be able to save file', SX(async function() {
const outputFile = __dirname + '/assets/output.pdf';
await page.pdf({path: outputFile});
expect(fs.readFileSync(outputFile).byteLength).toBeGreaterThan(0);
fs.unlinkSync(outputFile);
}));
it('should default to printing in Letter format', SX(async function() {
const pages = await getPDFPages(await page.pdf());
expect(pages.length).toBe(1);
expect(pages[0].width).toBeCloseTo(8.5, 2);
expect(pages[0].height).toBeCloseTo(11, 2);
}));
it('should support setting custom format', SX(async function() {
const pages = await getPDFPages(await page.pdf({
format: 'a4'
}));
expect(pages.length).toBe(1);
expect(pages[0].width).toBeCloseTo(8.27, 1);
expect(pages[0].height).toBeCloseTo(11.7, 1);
}));
it('should support setting paper width and height', SX(async function() {
const pages = await getPDFPages(await page.pdf({
width: '10in',
height: '10in',
}));
expect(pages.length).toBe(1);
expect(pages[0].width).toBeCloseTo(10, 2);
expect(pages[0].height).toBeCloseTo(10, 2);
}));
it('should print multiple pages', SX(async function() {
await page.goto(PREFIX + '/grid.html');
// Define width and height in CSS pixels.
const width = 50 * 5 + 1;
const height = 50 * 5 + 1;
const pages = await getPDFPages(await page.pdf({width, height}));
expect(pages.length).toBe(8);
expect(pages[0].width).toBeCloseTo(cssPixelsToInches(width), 2);
expect(pages[0].height).toBeCloseTo(cssPixelsToInches(height), 2);
}));
it('should support page ranges', SX(async function() {
await page.goto(PREFIX + '/grid.html');
// Define width and height in CSS pixels.
const width = 50 * 5 + 1;
const height = 50 * 5 + 1;
const pages = await getPDFPages(await page.pdf({width, height, pageRanges: '1,4-7'}));
expect(pages.length).toBe(5);
}));
it('should throw if format is unknown', SX(async function() {
let error = null;
try {
await getPDFPages(await page.pdf({
format: 'something'
}));
} catch (e) {
error = e;
}
expect(error).toBeTruthy();
expect(error.message).toContain('Unknown paper format');
}));
it('should throw if units are unknown', SX(async function() {
let error = null;
try {
await getPDFPages(await page.pdf({
width: '10em',
height: '10em',
}));
} catch (e) {
error = e;
}
expect(error).toBeTruthy();
expect(error.message).toContain('Failed to parse parameter value');
}));
});
describe('Page.title', function() {
it('should return the page title', SX(async function(){
await page.goto(PREFIX + '/input/button.html');
expect(await page.title()).toBe('Button test');
}));
});
describe('Page.screenshot', function() {
it('should work', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
const screenshot = await page.screenshot();
expect(screenshot).toBeGolden('screenshot-sanity.png');
}));
it('should clip rect', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
const screenshot = await page.screenshot({
clip: {
x: 50,
y: 100,
width: 150,
height: 100
}
});
expect(screenshot).toBeGolden('screenshot-clip-rect.png');
}));
it('should work for offscreen clip', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
const screenshot = await page.screenshot({
clip: {
x: 50,
y: 600,
width: 100,
height: 100
}
});
expect(screenshot).toBeGolden('screenshot-offscreen-clip.png');
}));
it('should run in parallel', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
const promises = [];
for (let i = 0; i < 3; ++i) {
promises.push(page.screenshot({
clip: {
x: 50 * i,
y: 0,
width: 50,
height: 50
}
}));
}
const screenshots = await Promise.all(promises);
expect(screenshots[1]).toBeGolden('grid-cell-1.png');
}));
it('should take fullPage screenshots', SX(async function() {
await page.setViewport({width: 500, height: 500});
await page.goto(PREFIX + '/grid.html');
const screenshot = await page.screenshot({
fullPage: true
});
expect(screenshot).toBeGolden('screenshot-grid-fullpage.png');
}));
it('should run in parallel in multiple pages', SX(async function() {
const N = 2;
const pages = await Promise.all(Array(N).fill(0).map(async() => {
const page = await browser.newPage();
await page.goto(PREFIX + '/grid.html');
return page;
}));
const promises = [];
for (let i = 0; i < N; ++i)
promises.push(pages[i].screenshot({ clip: { x: 50 * i, y: 0, width: 50, height: 50 } }));
const screenshots = await Promise.all(promises);
for (let i = 0; i < N; ++i)
expect(screenshots[i]).toBeGolden(`grid-cell-${i}.png`);
await Promise.all(pages.map(page => page.close()));
}));
it('should allow transparency', SX(async function() {
await page.setViewport({ width: 100, height: 100 });
await page.goto(EMPTY_PAGE);
const screenshot = await page.screenshot({omitBackground: true});
expect(screenshot).toBeGolden('transparent.png');
}));
it('should work with odd clip size on Retina displays', SX(async function() {
const screenshot = await page.screenshot({
clip: {
x: 0,
y: 0,
width: 11,
height: 11,
}
});
expect(screenshot).toBeGolden('screenshot-clip-odd-size.png');
}));
});
describe('Page.select', function() {
it('should select single option', SX(async function() {
await page.goto(PREFIX + '/input/select.html');
await page.select('select', 'blue');
expect(await page.evaluate(() => result.onInput)).toEqual(['blue']);
expect(await page.evaluate(() => result.onChange)).toEqual(['blue']);
}));
it('should select multiple options', SX(async function() {
await page.goto(PREFIX + '/input/select.html');
await page.evaluate(() => makeMultiple());
await page.select('select', 'blue', 'green', 'red');
expect(await page.evaluate(() => result.onInput)).toEqual(['blue', 'green', 'red']);
expect(await page.evaluate(() => result.onChange)).toEqual(['blue', 'green', 'red']);
}));
it('should respect event bubbling', SX(async function() {
await page.goto(PREFIX + '/input/select.html');
await page.select('select', 'blue');
expect(await page.evaluate(() => result.onBubblingInput)).toEqual(['blue']);
expect(await page.evaluate(() => result.onBubblingChange)).toEqual(['blue']);
}));
it('should throw when element is not a