/** * 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 path = require('path'); const utils = require('./utils'); const {waitEvent} = require('./utils'); module.exports.addTests = function({testRunner, expect, puppeteer, DeviceDescriptors, headless}) { const {describe, xdescribe, fdescribe} = testRunner; const {it, fit, xit} = testRunner; const {beforeAll, beforeEach, afterAll, afterEach} = testRunner; const iPhone = DeviceDescriptors['iPhone 6']; const iPhoneLandscape = DeviceDescriptors['iPhone 6 landscape']; describe('Page.close', function() { it('should reject all promises when page is closed', async({browser}) => { 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'); }); it('should not be visible in browser.pages', async({browser}) => { const newPage = await browser.newPage(); expect(await browser.pages()).toContain(newPage); await newPage.close(); expect(await browser.pages()).not.toContain(newPage); }); it('should run beforeunload if asked for', async({browser, server}) => { const newPage = await browser.newPage(); await newPage.goto(server.PREFIX + '/beforeunload.html'); // We have to interact with a page so that 'beforeunload' handlers // fire. await newPage.click('body'); newPage.close({ runBeforeUnload: true }); const dialog = await waitEvent(newPage, 'dialog'); expect(dialog.type()).toBe('beforeunload'); expect(dialog.defaultValue()).toBe(''); expect(dialog.message()).toBe(''); dialog.accept(); await waitEvent(newPage, 'close'); }); it('should set the page close state', async({ browser }) => { const newPage = await browser.newPage(); expect(newPage.isClosed()).toBe(false); await newPage.close(); expect(newPage.isClosed()).toBe(true); }); }); describe('Page.Events.error', function() { it('should throw when page crashes', async({page}) => { let error = null; page.on('error', err => error = err); page.goto('chrome://crash').catch(e => {}); await waitEvent(page, 'error'); expect(error.message).toBe('Page crashed!'); }); }); describe('Page.evaluate', function() { it('should work', async({page, server}) => { const result = await page.evaluate(() => 7 * 3); expect(result).toBe(21); }); it('should throw when evaluation triggers reload', async({page, server}) => { let error = null; await page.evaluate(() => { location.reload(); return new Promise(resolve => { setTimeout(() => resolve(1), 0); }); }).catch(e => error = e); expect(error.message).toContain('Protocol error'); }); it('should await promise', async({page, server}) => { const result = await page.evaluate(() => Promise.resolve(8 * 7)); expect(result).toBe(56); }); it('should work right after framenavigated', async({page, server}) => { let frameEvaluation = null; page.on('framenavigated', async frame => { frameEvaluation = frame.evaluate(() => 6 * 7); }); await page.goto(server.EMPTY_PAGE); expect(await frameEvaluation).toBe(42); }); it('should work from-inside an exposed function', async({page, server}) => { // 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', async({page, server}) => { 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 support thrown strings as error messages', async({page, server}) => { let error = null; await page.evaluate(() => { throw 'qwerty'; }).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('qwerty'); }); it('should support thrown numbers as error messages', async({page, server}) => { let error = null; await page.evaluate(() => { throw 100500; }).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('100500'); }); it('should return complex objects', async({page, server}) => { 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', async({page, server}) => { const result = await page.evaluate(() => NaN); expect(Object.is(result, NaN)).toBe(true); }); it('should return -0', async({page, server}) => { const result = await page.evaluate(() => -0); expect(Object.is(result, -0)).toBe(true); }); it('should return Infinity', async({page, server}) => { const result = await page.evaluate(() => Infinity); expect(Object.is(result, Infinity)).toBe(true); }); it('should return -Infinity', async({page, server}) => { const result = await page.evaluate(() => -Infinity); expect(Object.is(result, -Infinity)).toBe(true); }); it('should accept "undefined" as one of multiple parameters', async({page, server}) => { const result = await page.evaluate((a, b) => Object.is(a, undefined) && Object.is(b, 'foo'), undefined, 'foo'); expect(result).toBe(true); }); it('should properly serialize null fields', async({page}) => { expect(await page.evaluate(() => ({a: undefined}))).toEqual({}); }); it('should return undefined for non-serializable objects', async({page, server}) => { expect(await page.evaluate(() => window)).toBe(undefined); expect(await page.evaluate(() => [Symbol('foo4')])).toBe(undefined); }); it('should fail for circular object', async({page, server}) => { const result = await page.evaluate(() => { const a = {}; const b = {a}; a.b = b; return a; }); expect(result).toBe(undefined); }); it('should accept a string', async({page, server}) => { const result = await page.evaluate('1 + 2'); expect(result).toBe(3); }); it('should accept a string with semi colons', async({page, server}) => { const result = await page.evaluate('1 + 5;'); expect(result).toBe(6); }); it('should accept a string with comments', async({page, server}) => { const result = await page.evaluate('2 + 5;\n// do some math!'); expect(result).toBe(7); }); it('should accept element handle as an argument', async({page, server}) => { await page.setContent('
42
'); const element = await page.$('section'); const text = await page.evaluate(e => e.textContent, element); expect(text).toBe('42'); }); it('should throw if underlying element was disposed', async({page, server}) => { await page.setContent('
39
'); const element = await page.$('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', async({page, server}) => { await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE); const bodyHandle = await page.frames()[1].$('body'); let error = null; await page.evaluate(body => body.innerHTML, bodyHandle).catch(e => error = e); expect(error).toBeTruthy(); expect(error.message).toContain('JSHandles can be evaluated only in the context they were created'); }); it('should accept object handle as an argument', async({page, server}) => { const navigatorHandle = await page.evaluateHandle(() => navigator); const text = await page.evaluate(e => e.userAgent, navigatorHandle); expect(text).toContain('Mozilla'); }); it('should accept object handle to primitive types', async({page, server}) => { const aHandle = await page.evaluateHandle(() => 5); const isFive = await page.evaluate(e => Object.is(e, 5), aHandle); expect(isFive).toBeTruthy(); }); it('should simulate a user gesture', async({page, server}) => { await page.evaluate(playAudio); // also test evaluating strings await page.evaluate(`(${playAudio})()`); function playAudio() { const audio = document.createElement('audio'); audio.src = 'data:audio/wav;base64,UklGRiQAAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQAAAAA='; // This returns a promise which throws if it was not triggered by a user gesture. return audio.play(); } }); it('should throw a nice error after a navigation', async({page, server}) => { const executionContext = await page.mainFrame().executionContext(); await Promise.all([ page.waitForNavigation(), executionContext.evaluate(() => window.location.reload()) ]); const error = await executionContext.evaluate(() => null).catch(e => e); expect(error.message).toContain('navigation'); }); }); describe('Page.setOfflineMode', function() { it('should work', async({page, server}) => { await page.setOfflineMode(true); let error = null; await page.goto(server.EMPTY_PAGE).catch(e => error = e); expect(error).toBeTruthy(); await page.setOfflineMode(false); const response = await page.reload(); expect(response.status()).toBe(200); }); it('should emulate navigator.onLine', async({page, server}) => { expect(await page.evaluate(() => window.navigator.onLine)).toBe(true); await page.setOfflineMode(true); expect(await page.evaluate(() => window.navigator.onLine)).toBe(false); await page.setOfflineMode(false); expect(await page.evaluate(() => window.navigator.onLine)).toBe(true); }); }); describe('Page.evaluateHandle', function() { it('should work', async({page, server}) => { const windowHandle = await page.evaluateHandle(() => window); expect(windowHandle).toBeTruthy(); }); }); describe('ExecutionContext.queryObjects', function() { it('should work', async({page, server}) => { // 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', async({page, server}) => { 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', async({page, server}) => { 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('Page.waitFor', function() { it('should wait for selector', async({page, server}) => { let found = false; const waitFor = page.waitFor('div').then(() => found = true); await page.goto(server.EMPTY_PAGE); expect(found).toBe(false); await page.goto(server.PREFIX + '/grid.html'); await waitFor; expect(found).toBe(true); }); it('should wait for an xpath', async({page, server}) => { let found = false; const waitFor = page.waitFor('//div').then(() => found = true); await page.goto(server.EMPTY_PAGE); expect(found).toBe(false); await page.goto(server.PREFIX + '/grid.html'); await waitFor; expect(found).toBe(true); }); it('should not allow you to select an element with single slash xpath', async({page, server}) => { await page.setContent(`
some text
`); let error = null; await page.waitFor('/html/body/div').catch(e => error = e); expect(error).toBeTruthy(); }); it('should timeout', async({page, server}) => { const startTime = Date.now(); const timeout = 42; await page.waitFor(timeout); expect(Date.now() - startTime).not.toBeLessThan(timeout / 2); }); it('should wait for predicate', async({page, server}) => { const watchdog = page.waitFor(() => window.innerWidth < 100); page.setViewport({width: 10, height: 10}); await watchdog; }); it('should throw when unknown type', async({page, server}) => { 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', async({page, server}) => { await page.waitFor((arg1, arg2) => arg1 !== arg2, {}, 1, 2); }); }); describe('Page.Events.Console', function() { it('should work', async({page, server}) => { let message = null; page.once('console', m => message = m); await Promise.all([ page.evaluate(() => console.log('hello', 5, {foo: 'bar'})), waitEvent(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', async({page, server}) => { const messages = []; page.on('console', msg => messages.push(msg)); // All console events will be reported before `page.evaluate` is finished. await 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!')); }); 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', async({page, server}) => { let message = null; page.once('console', msg => message = msg); await Promise.all([ page.evaluate(() => console.error(window)), waitEvent(page, 'console') ]); expect(message.text()).toBe('JSHandle@object'); }); it('should trigger correct Log', async({page, server}) => { await page.goto('about:blank'); const [message] = await Promise.all([ waitEvent(page, 'console'), page.evaluate(async url => fetch(url).catch(e => {}), server.EMPTY_PAGE) ]); expect(message.text()).toContain('No \'Access-Control-Allow-Origin\''); expect(message.type()).toEqual('error'); }); }); describe('Page.Events.DOMContentLoaded', function() { it('should fire when expected', async({page, server}) => { page.goto('about:blank'); await waitEvent(page, 'domcontentloaded'); }); }); describe('Page.metrics', function() { it('should get metrics from a page', async({page, server}) => { await page.goto('about:blank'); const metrics = await page.metrics(); checkMetrics(metrics); }); it('metrics event fired on console.timeStamp', async({page, server}) => { 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', async({page, server}) => { const response = await page.goto('about:blank'); expect(response).toBe(null); }); it('should return response when page changes its URL after load', async({page, server}) => { const response = await page.goto(server.PREFIX + '/historyapi.html'); expect(response.status()).toBe(200); }); it('should work with subframes return 204', async({page, server}) => { server.setRoute('/frames/frame.html', (req, res) => { res.statusCode = 204; res.end(); }); await page.goto(server.PREFIX + '/frames/one-frame.html'); }); it('should fail when server returns 204', async({page, server}) => { server.setRoute('/empty.html', (req, res) => { res.statusCode = 204; res.end(); }); let error = null; await page.goto(server.EMPTY_PAGE).catch(e => error = e); expect(error).not.toBe(null); expect(error.message).toContain('net::ERR_ABORTED'); }); it('should navigate to empty page with domcontentloaded', async({page, server}) => { const response = await page.goto(server.EMPTY_PAGE, {waitUntil: 'domcontentloaded'}); expect(response.status()).toBe(200); expect(response.securityDetails()).toBe(null); }); xit('should work when page calls history API in beforeunload', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.evaluate(() => { window.addEventListener('beforeunload', () => history.replaceState(null, 'initial', window.location.href), false); }); const response = await page.goto(server.PREFIX + '/grid.html'); expect(response.status()).toBe(200); }); it('should navigate to empty page with networkidle0', async({page, server}) => { const response = await page.goto(server.EMPTY_PAGE, {waitUntil: 'networkidle0'}); expect(response.status()).toBe(200); }); it('should navigate to empty page with networkidle2', async({page, server}) => { const response = await page.goto(server.EMPTY_PAGE, {waitUntil: 'networkidle2'}); expect(response.status()).toBe(200); }); it('should fail when navigating to bad url', async({page, server}) => { 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', async({page, httpsServer}) => { // 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(httpsServer.EMPTY_PAGE).catch(e => error = e); expect(error.message).toContain('net::ERR_CERT_AUTHORITY_INVALID'); }); it('should fail when navigating to bad SSL after redirects', async({page, server, httpsServer}) => { server.setRedirect('/redirect/1.html', '/redirect/2.html'); server.setRedirect('/redirect/2.html', '/empty.html'); let error = null; await page.goto(httpsServer.PREFIX + '/redirect/1.html').catch(e => error = e); expect(error.message).toContain('net::ERR_CERT_AUTHORITY_INVALID'); }); it('should throw if networkidle is passed as an option', async({page, server}) => { let error = null; await page.goto(server.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', async({page, server}) => { let error = null; await page.goto('http://localhost:44123/non-existing-url').catch(e => error = e); expect(error.message).toContain('net::ERR_CONNECTION_REFUSED'); }); it('should fail when exceeding maximum navigation timeout', async({page, server}) => { // Hang for request to the empty.html server.setRoute('/empty.html', (req, res) => { }); let error = null; await page.goto(server.PREFIX + '/empty.html', {timeout: 1}).catch(e => error = e); expect(error.message).toContain('Navigation Timeout Exceeded: 1ms'); }); it('should fail when exceeding default maximum navigation timeout', async({page, server}) => { // Hang for request to the empty.html server.setRoute('/empty.html', (req, res) => { }); let error = null; page.setDefaultNavigationTimeout(1); await page.goto(server.PREFIX + '/empty.html').catch(e => error = e); expect(error.message).toContain('Navigation Timeout Exceeded: 1ms'); }); it('should disable timeout when its set to 0', async({page, server}) => { let error = null; let loaded = false; page.once('load', () => loaded = true); await page.goto(server.PREFIX + '/grid.html', {timeout: 0, waitUntil: ['load']}).catch(e => error = e); expect(error).toBe(null); expect(loaded).toBe(true); }); it('should work when navigating to valid url', async({page, server}) => { const response = await page.goto(server.EMPTY_PAGE); expect(response.ok()).toBe(true); }); it('should work when navigating to data url', async({page, server}) => { const response = await page.goto('data:text/html,hello'); expect(response.ok()).toBe(true); }); it('should work when navigating to 404', async({page, server}) => { const response = await page.goto(server.PREFIX + '/not-found'); expect(response.ok()).toBe(false); expect(response.status()).toBe(404); }); it('should return last response in redirect chain', async({page, server}) => { server.setRedirect('/redirect/1.html', '/redirect/2.html'); server.setRedirect('/redirect/2.html', '/redirect/3.html'); server.setRedirect('/redirect/3.html', server.EMPTY_PAGE); const response = await page.goto(server.PREFIX + '/redirect/1.html'); expect(response.ok()).toBe(true); expect(response.url()).toBe(server.EMPTY_PAGE); }); it('should wait for network idle to succeed navigation', async({page, server}) => { 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(server.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', async({page, server}) => { let warning = null; const warningHandler = w => warning = w; process.on('warning', warningHandler); for (let i = 0; i < 20; ++i) await page.goto(server.EMPTY_PAGE); process.removeListener('warning', warningHandler); expect(warning).toBe(null); }); it('should not leak listeners during bad navigation', async({page, server}) => { 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', async({page, server}) => { 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', async({page, server}) => { const requests = []; page.on('request', request => requests.push(request)); const response = await page.goto(server.EMPTY_PAGE + '#hash'); expect(response.status()).toBe(200); expect(response.url()).toBe(server.EMPTY_PAGE); expect(requests.length).toBe(1); expect(requests[0].url()).toBe(server.EMPTY_PAGE); }); it('should work with self requesting page', async({page, server}) => { const response = await page.goto(server.PREFIX + '/self-request.html'); expect(response.status()).toBe(200); expect(response.url()).toContain('self-request.html'); }); it('should fail when navigating and show the url at the error message', async function({page, server, httpsServer}) { const url = httpsServer.PREFIX + '/redirect/1.html'; let error = null; try { await page.goto(url); } catch (e) { error = e; } expect(error.message).toContain(url); }); }); describe('Page.waitForNavigation', function() { it('should work', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const [result] = await Promise.all([ page.waitForNavigation(), page.evaluate(url => window.location.href = url, server.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', async({page, server}) => { let response = null; server.setRoute('/one-style.css', (req, res) => response = res); const navigationPromise = page.goto(server.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; await navigationPromise; }); it('should work with clicking on anchor links', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.setContent(`foobar`); await Promise.all([ page.click('a'), page.waitForNavigation() ]); expect(page.url()).toBe(server.EMPTY_PAGE + '#foobar'); }); it('should work with history.pushState()', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.setContent(` SPA `); await Promise.all([ page.click('a'), page.waitForNavigation() ]); expect(page.url()).toBe(server.PREFIX + '/wow.html'); }); it('should work with history.replaceState()', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.setContent(` SPA `); await Promise.all([ page.click('a'), page.waitForNavigation() ]); expect(page.url()).toBe(server.PREFIX + '/replaced.html'); }); it('should work with DOM history.back()/history.forward()', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.setContent(` back forward `); expect(page.url()).toBe(server.PREFIX + '/second.html'); await Promise.all([ page.click('a#back'), page.waitForNavigation() ]); expect(page.url()).toBe(server.PREFIX + '/first.html'); await Promise.all([ page.click('a#forward'), page.waitForNavigation() ]); expect(page.url()).toBe(server.PREFIX + '/second.html'); }); it('should work when subframe issues window.stop()', async({page, server}) => { server.setRoute('/frames/style.css', (req, res) => {}); const navigationPromise = page.goto(server.PREFIX + '/frames/one-frame.html'); const frame = await utils.waitEvent(page, 'frameattached'); await new Promise(fulfill => { page.on('framenavigated', f => { if (f === frame) fulfill(); }); }); frame.evaluate(() => window.stop()); await navigationPromise; }); }); describe('Page.goBack', function() { it('should work', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.goto(server.PREFIX + '/grid.html'); let response = await page.goBack(); expect(response.ok()).toBe(true); expect(response.url()).toContain(server.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); }); it('should work with HistoryAPI', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.evaluate(() => { history.pushState({}, '', '/first.html'); history.pushState({}, '', '/second.html'); }); expect(page.url()).toBe(server.PREFIX + '/second.html'); await page.goBack(); expect(page.url()).toBe(server.PREFIX + '/first.html'); await page.goBack(); expect(page.url()).toBe(server.EMPTY_PAGE); await page.goForward(); expect(page.url()).toBe(server.PREFIX + '/first.html'); }); }); describe('Page.exposeFunction', function() { it('should work', async({page, server}) => { 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', async({page, server}) => { await page.exposeFunction('compute', function(a, b) { return a * b; }); await page.goto(server.EMPTY_PAGE); const result = await page.evaluate(async function() { return await compute(9, 4); }); expect(result).toBe(36); }); it('should await returned promise', async({page, server}) => { 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); }); it('should work on frames', async({page, server}) => { await page.exposeFunction('compute', function(a, b) { return Promise.resolve(a * b); }); await page.goto(server.PREFIX + '/frames/nested-frames.html'); const frame = page.frames()[1]; const result = await frame.evaluate(async function() { return await compute(3, 5); }); expect(result).toBe(15); }); it('should work on frames before navigation', async({page, server}) => { await page.goto(server.PREFIX + '/frames/nested-frames.html'); await page.exposeFunction('compute', function(a, b) { return Promise.resolve(a * b); }); const frame = page.frames()[1]; const result = await frame.evaluate(async function() { return await compute(3, 5); }); expect(result).toBe(15); }); }); describe('Page.Events.Dialog', function() { it('should fire', async({page, server}) => { 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', async({page, server}) => { 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', async({page, server}) => { 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', async({page, server}) => { let error = null; page.once('pageerror', e => error = e); await Promise.all([ page.goto(server.PREFIX + '/error.html'), waitEvent(page, 'pageerror') ]); expect(error.message).toContain('Fancy'); }); }); describe('Page.$eval', function() { it('should work', async({page, server}) => { await page.setContent('
43543
'); const idAttribute = await page.$eval('section', e => e.id); expect(idAttribute).toBe('testAttribute'); }); it('should accept arguments', async({page, server}) => { await page.setContent('
hello
'); const text = await page.$eval('section', (e, suffix) => e.textContent + suffix, ' world!'); expect(text).toBe('hello world!'); }); it('should accept ElementHandles as arguments', async({page, server}) => { await page.setContent('
hello
world
'); const divHandle = await page.$('div'); const text = await page.$eval('section', (e, div) => e.textContent + div.textContent, divHandle); expect(text).toBe('hello world'); }); it('should throw error if no element is found', async({page, server}) => { let error = null; await page.$eval('section', e => e.id).catch(e => error = e); expect(error.message).toContain('failed to find element matching selector "section"'); }); }); describe('Page.$$eval', function() { it('should work', async({page, server}) => { await page.setContent('
hello
beautiful
world!
'); const divsCount = await page.$$eval('div', divs => divs.length); expect(divsCount).toBe(3); }); }); describe('Page.$', function() { it('should query existing element', async({page, server}) => { await page.setContent('
test
'); const element = await page.$('section'); expect(element).toBeTruthy(); }); it('should return null for non-existing element', async({page, server}) => { const element = await page.$('non-existing-element'); expect(element).toBe(null); }); }); describe('Page.$$', function() { it('should query existing elements', async({page, server}) => { await page.setContent('
A

B
'); const elements = await page.$$('div'); expect(elements.length).toBe(2); const promises = elements.map(element => page.evaluate(e => e.textContent, element)); expect(await Promise.all(promises)).toEqual(['A', 'B']); }); it('should return empty array if nothing is found', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const elements = await page.$$('div'); expect(elements.length).toBe(0); }); }); describe('Path.$x', function() { it('should query existing element', async({page, server}) => { await page.setContent('
test
'); const elements = await page.$x('/html/body/section'); expect(elements[0]).toBeTruthy(); expect(elements.length).toBe(1); }); it('should return empty array for non-existing element', async({page, server}) => { const element = await page.$x('/html/body/non-existing-element'); expect(element).toEqual([]); }); it('should return multiple elements', async({page, sever}) => { await page.setContent('
'); const elements = await page.$x('/html/body/div'); expect(elements.length).toBe(2); }); }); describe('Page.setUserAgent', function() { it('should work', async({page, server}) => { expect(await page.evaluate(() => navigator.userAgent)).toContain('Mozilla'); page.setUserAgent('foobar'); const [request] = await Promise.all([ server.waitForRequest('/empty.html'), page.goto(server.EMPTY_PAGE), ]); expect(request.headers['user-agent']).toBe('foobar'); }); it('should emulate device user-agent', async({page, server}) => { await page.goto(server.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.setContent', function() { const expectedOutput = '
hello
'; it('should work', async({page, server}) => { await page.setContent('
hello
'); const result = await page.content(); expect(result).toBe(expectedOutput); }); it('should work with doctype', async({page, server}) => { const doctype = ''; await page.setContent(`${doctype}
hello
`); const result = await page.content(); expect(result).toBe(`${doctype}${expectedOutput}`); }); it('should work with HTML 4 doctype', async({page, server}) => { const doctype = ''; await page.setContent(`${doctype}
hello
`); const result = await page.content(); expect(result).toBe(`${doctype}${expectedOutput}`); }); }); describe('Page.setBypassCSP', function() { it('should bypass CSP meta tag', async({page, server}) => { // Make sure CSP prohibits addScriptTag. await page.goto(server.PREFIX + '/csp.html'); await page.addScriptTag({content: 'window.__injected = 42;'}).catch(e => void e); expect(await page.evaluate(() => window.__injected)).toBe(undefined); // By-pass CSP and try one more time. await page.setBypassCSP(true); await page.reload(); await page.addScriptTag({content: 'window.__injected = 42;'}); expect(await page.evaluate(() => window.__injected)).toBe(42); }); it('should bypass CSP header', async({page, server}) => { // Make sure CSP prohibits addScriptTag. server.setCSP('/empty.html', 'default-src "self"'); await page.goto(server.EMPTY_PAGE); await page.addScriptTag({content: 'window.__injected = 42;'}).catch(e => void e); expect(await page.evaluate(() => window.__injected)).toBe(undefined); // By-pass CSP and try one more time. await page.setBypassCSP(true); await page.reload(); await page.addScriptTag({content: 'window.__injected = 42;'}); expect(await page.evaluate(() => window.__injected)).toBe(42); }); it('should bypass after cross-process navigation', async({page, server}) => { await page.setBypassCSP(true); await page.goto(server.PREFIX + '/csp.html'); await page.addScriptTag({content: 'window.__injected = 42;'}); expect(await page.evaluate(() => window.__injected)).toBe(42); await page.goto(server.CROSS_PROCESS_PREFIX + '/csp.html'); await page.addScriptTag({content: 'window.__injected = 42;'}); expect(await page.evaluate(() => window.__injected)).toBe(42); }); }); describe('Page.addScriptTag', function() { it('should throw an error if no options are provided', async({page, server}) => { 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', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const scriptHandle = await page.addScriptTag({ url: '/injectedfile.js' }); expect(scriptHandle.asElement()).not.toBeNull(); expect(await page.evaluate(() => __injected)).toBe(42); }); it('should work with a url and type=module', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.addScriptTag({ url: '/es6/es6import.js', type: 'module' }); expect(await page.evaluate(() => __es6injected)).toBe(42); }); it('should work with a path and type=module', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.addScriptTag({ path: path.join(__dirname, 'assets/es6/es6pathimport.js'), type: 'module' }); await page.waitForFunction('window.__es6injected'); expect(await page.evaluate(() => __es6injected)).toBe(42); }); it('should work with a content and type=module', async({page, server}) => { await page.goto(server.EMPTY_PAGE); await page.addScriptTag({ content: `import num from '/es6/es6module.js';window.__es6injected = num;`, type: 'module' }); await page.waitForFunction('window.__es6injected'); expect(await page.evaluate(() => __es6injected)).toBe(42); }); it('should throw an error if loading from url fail', async({page, server}) => { await page.goto(server.EMPTY_PAGE); let error = null; try { await page.addScriptTag({ url: '/nonexistfile.js' }); } catch (e) { error = e; } expect(error.message).toBe('Loading script from /nonexistfile.js failed'); }); it('should work with a path', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const scriptHandle = await page.addScriptTag({ path: path.join(__dirname, 'assets/injectedfile.js') }); expect(scriptHandle.asElement()).not.toBeNull(); expect(await page.evaluate(() => __injected)).toBe(42); }); it('should include sourcemap when path is provided', async({page, server}) => { await page.goto(server.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', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const scriptHandle = await page.addScriptTag({ content: 'window.__injected = 35;' }); expect(scriptHandle.asElement()).not.toBeNull(); expect(await page.evaluate(() => __injected)).toBe(35); }); it('should throw when added with content to the CSP page', async({page, server}) => { await page.goto(server.PREFIX + '/csp.html'); let error = null; await page.addScriptTag({ content: 'window.__injected = 35;' }).catch(e => error = e); expect(error).toBeTruthy(); }); it('should throw when added with URL to the CSP page', async({page, server}) => { await page.goto(server.PREFIX + '/csp.html'); let error = null; await page.addScriptTag({ url: server.CROSS_PROCESS_PREFIX + '/injectedfile.js' }).catch(e => error = e); expect(error).toBeTruthy(); }); }); describe('Page.addStyleTag', function() { it('should throw an error if no options are provided', async({page, server}) => { 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', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const styleHandle = await page.addStyleTag({ url: '/injectedstyle.css' }); expect(styleHandle.asElement()).not.toBeNull(); expect(await page.evaluate(`window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')`)).toBe('rgb(255, 0, 0)'); }); it('should throw an error if loading from url fail', async({page, server}) => { await page.goto(server.EMPTY_PAGE); let error = null; try { await page.addStyleTag({ url: '/nonexistfile.js' }); } catch (e) { error = e; } expect(error.message).toBe('Loading style from /nonexistfile.js failed'); }); it('should work with a path', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const styleHandle = await page.addStyleTag({ path: path.join(__dirname, 'assets/injectedstyle.css') }); expect(styleHandle.asElement()).not.toBeNull(); 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', async({page, server}) => { await page.goto(server.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')); }); it('should work with content', async({page, server}) => { await page.goto(server.EMPTY_PAGE); const styleHandle = await page.addStyleTag({ content: 'body { background-color: green; }' }); expect(styleHandle.asElement()).not.toBeNull(); expect(await page.evaluate(`window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')`)).toBe('rgb(0, 128, 0)'); }); it('should throw when added with content to the CSP page', async({page, server}) => { await page.goto(server.PREFIX + '/csp.html'); let error = null; await page.addStyleTag({ content: 'body { background-color: green; }' }).catch(e => error = e); expect(error).toBeTruthy(); }); it('should throw when added with URL to the CSP page', async({page, server}) => { await page.goto(server.PREFIX + '/csp.html'); let error = null; await page.addStyleTag({ url: server.CROSS_PROCESS_PREFIX + '/injectedstyle.css' }).catch(e => error = e); expect(error).toBeTruthy(); }); }); describe('Page.url', function() { it('should work', async({page, server}) => { expect(page.url()).toBe('about:blank'); await page.goto(server.EMPTY_PAGE); expect(page.url()).toBe(server.EMPTY_PAGE); }); }); describe('Page.viewport', function() { it('should get the proper viewport size', async({page, server}) => { 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', async({page, server}) => { await page.goto(server.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', async({page, server}) => { await page.goto(server.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('Received 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('Received touch'); }; window.dispatchEvent(new Event('touchstart')); fulfill('Did not receive touch'); return promise; } }); it('should be detectable by Modernizr', async({page, server}) => { await page.goto(server.PREFIX + '/detect-touch.html'); expect(await page.evaluate(() => document.body.textContent.trim())).toBe('NO'); await page.setViewport(iPhone.viewport); await page.goto(server.PREFIX + '/detect-touch.html'); expect(await page.evaluate(() => document.body.textContent.trim())).toBe('YES'); }); it('should support landscape emulation', async({page, server}) => { await page.goto(server.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', async({page, server}) => { await page.goto(server.PREFIX + '/mobile.html'); await page.emulate(iPhone); expect(await page.evaluate(() => window.innerWidth)).toBe(375); expect(await page.evaluate(() => navigator.userAgent)).toContain('Safari'); }); it('should support clicking', async({page, server}) => { await page.emulate(iPhone); await page.goto(server.PREFIX + '/input/button.html'); const button = await page.$('button'); await page.evaluate(button => button.style.marginTop = '200px', button); await button.click(); expect(await page.evaluate(() => result)).toBe('Clicked'); }); }); describe('Page.emulateMedia', function() { it('should work', async({page, server}) => { 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', async({page, server}) => { 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', async({page, server}) => { 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', async({page, server}) => { await page.evaluateOnNewDocument(function(){ window.injected = 123; }); await page.goto(server.PREFIX + '/tamperable.html'); expect(await page.evaluate(() => window.result)).toBe(123); }); it('should work with CSP', async({page, server}) => { server.setCSP('/empty.html', 'script-src ' + server.PREFIX); await page.evaluateOnNewDocument(function(){ window.injected = 123; }); await page.goto(server.PREFIX + '/empty.html'); expect(await page.evaluate(() => window.injected)).toBe(123); // Make sure CSP works. await page.addScriptTag({content: 'window.e = 10;'}).catch(e => void e); expect(await page.evaluate(() => window.e)).toBe(undefined); }); }); describe('Page.setCacheEnabled', function() { it('should enable or disable the cache based on the state passed', async({page, server}) => { const responses = new Map(); page.on('response', r => responses.set(r.url().split('/').pop(), r)); await page.goto(server.PREFIX + '/cached/one-style.html', {waitUntil: 'networkidle2'}); await page.reload({waitUntil: 'networkidle2'}); expect(responses.get('one-style.css').fromCache()).toBe(true); await page.setCacheEnabled(false); await page.reload({waitUntil: 'networkidle2'}); expect(responses.get('one-style.css').fromCache()).toBe(false); }); }); // Printing to pdf is currently only supported in headless (headless ? describe : xdescribe)('Page.pdf', function() { it('should be able to save file', async({page, server}) => { const outputFile = __dirname + '/assets/output.pdf'; await page.pdf({path: outputFile}); expect(fs.readFileSync(outputFile).byteLength).toBeGreaterThan(0); fs.unlinkSync(outputFile); }); }); describe('Page.title', function() { it('should return the page title', async({page, server}) => { await page.goto(server.PREFIX + '/input/button.html'); expect(await page.title()).toBe('Button test'); }); }); describe('Page.screenshot', function() { it('should work', async({page, server}) => { await page.setViewport({width: 500, height: 500}); await page.goto(server.PREFIX + '/grid.html'); const screenshot = await page.screenshot(); expect(screenshot).toBeGolden('screenshot-sanity.png'); }); it('should clip rect', async({page, server}) => { await page.setViewport({width: 500, height: 500}); await page.goto(server.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', async({page, server}) => { await page.setViewport({width: 500, height: 500}); await page.goto(server.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', async({page, server}) => { await page.setViewport({width: 500, height: 500}); await page.goto(server.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', async({page, server}) => { await page.setViewport({width: 500, height: 500}); await page.goto(server.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', async({page, server, browser}) => { const N = 2; const pages = await Promise.all(Array(N).fill(0).map(async() => { const page = await browser.newPage(); await page.goto(server.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', async({page, server}) => { await page.setViewport({ width: 100, height: 100 }); await page.goto(server.EMPTY_PAGE); const screenshot = await page.screenshot({omitBackground: true}); expect(screenshot).toBeGolden('transparent.png'); }); it('should work with odd clip size on Retina displays', async({page, server}) => { const screenshot = await page.screenshot({ clip: { x: 0, y: 0, width: 11, height: 11, } }); expect(screenshot).toBeGolden('screenshot-clip-odd-size.png'); }); it('should return base64', async({page, server}) => { await page.setViewport({width: 500, height: 500}); await page.goto(server.PREFIX + '/grid.html'); const screenshot = await page.screenshot({ encoding: 'base64' }); expect(Buffer.from(screenshot, 'base64')).toBeGolden('screenshot-sanity.png'); }); }); describe('Page.select', function() { it('should select single option', async({page, server}) => { await page.goto(server.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 only first option', async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); await page.select('select', 'blue', 'green', 'red'); expect(await page.evaluate(() => result.onInput)).toEqual(['blue']); expect(await page.evaluate(() => result.onChange)).toEqual(['blue']); }); it('should select multiple options', async({page, server}) => { await page.goto(server.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', async({page, server}) => { await page.goto(server.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 element.'); }); it('should return [] on no matched values', async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); const result = await page.select('select','42','abc'); expect(result).toEqual([]); }); it('should return an array of matched values', async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); await page.evaluate(() => makeMultiple()); const result = await page.select('select','blue','black','magenta'); expect(result.reduce((accumulator,current) => ['blue', 'black', 'magenta'].includes(current) && accumulator, true)).toEqual(true); }); it('should return an array of one element when multiple is not set', async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); const result = await page.select('select','42','blue','black','magenta'); expect(result.length).toEqual(1); }); it('should return [] on no values',async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); const result = await page.select('select'); expect(result).toEqual([]); }); it('should deselect all options when passed no values for a multiple select',async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); await page.evaluate(() => makeMultiple()); await page.select('select','blue','black','magenta'); await page.select('select'); expect(await page.$eval('select', select => Array.from(select.options).every(option => !option.selected))).toEqual(true); }); it('should deselect all options when passed no values for a select without multiple',async({page, server}) => { await page.goto(server.PREFIX + '/input/select.html'); await page.select('select','blue','black','magenta'); await page.select('select'); expect(await page.$eval('select', select => Array.from(select.options).every(option => !option.selected))).toEqual(true); }); it('should throw if passed in non-strings', async({page, server}) => { await page.setContent(''); let error = null; try { await page.select('select', 12); } catch (e) { error = e; } expect(error.message).toContain('Values must be strings'); }); }); describe('Connection', function() { it('should throw nice errors', async function({page}) { const error = await theSourceOfTheProblems().catch(error => error); expect(error.stack).toContain('theSourceOfTheProblems'); expect(error.message).toContain('ThisCommand.DoesNotExist'); async function theSourceOfTheProblems() { await page._client.send('ThisCommand.DoesNotExist'); } }); }); describe('Page.Events.Close', function() { it('should work with window.close', async function({ page, browser, server }) { const newPagePromise = new Promise(fulfill => browser.once('targetcreated', target => fulfill(target.page()))); await page.evaluate(() => window['newPage'] = window.open('about:blank')); const newPage = await newPagePromise; const closedPromise = new Promise(x => newPage.on('close', x)); await page.evaluate(() => window['newPage'].close()); await closedPromise; }); it('should work with page.close', async function({ page, browser, server }) { const newPage = await browser.newPage(); const closedPromise = new Promise(x => newPage.on('close', x)); await newPage.close(); await closedPromise; }); }); describe('Page.browser', function() { it('should return the correct browser instance', async function({ page, browser }) { expect(page.browser()).toBe(browser); }); }); };