/** * Copyright 2017 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import fs from 'fs'; import path from 'path'; import utils from './utils.js'; const { waitEvent } = utils; import expect from 'expect'; import sinon from 'sinon'; import { getTestState, setupTestBrowserHooks, setupTestPageAndContextHooks, itFailsFirefox, describeFailsFirefox, } from './mocha-utils'; // eslint-disable-line import/extensions import { Page, Metrics } from '../lib/cjs/puppeteer/common/Page.js'; import { JSHandle } from '../lib/cjs/puppeteer/common/JSHandle.js'; describe('Page', function () { setupTestBrowserHooks(); setupTestPageAndContextHooks(); describe('Page.close', function () { it('should reject all promises when page is closed', async () => { const { context } = getTestState(); const newPage = await context.newPage(); let error = null; await Promise.all([ newPage .evaluate(() => new Promise(() => {})) .catch((error_) => (error = error_)), newPage.close(), ]); expect(error.message).toContain('Protocol error'); }); it('should not be visible in browser.pages', async () => { const { browser } = getTestState(); const newPage = await browser.newPage(); expect(await browser.pages()).toContain(newPage); await newPage.close(); expect(await browser.pages()).not.toContain(newPage); }); itFailsFirefox('should run beforeunload if asked for', async () => { const { context, server, isChrome } = getTestState(); const newPage = await context.newPage(); await newPage.goto(server.PREFIX + '/beforeunload.html'); // We have to interact with a page so that 'beforeunload' handlers // fire. await newPage.click('body'); const pageClosingPromise = newPage.close({ runBeforeUnload: true }); const dialog = await waitEvent(newPage, 'dialog'); expect(dialog.type()).toBe('beforeunload'); expect(dialog.defaultValue()).toBe(''); if (isChrome) expect(dialog.message()).toBe(''); else expect(dialog.message()).toBe( 'This page is asking you to confirm that you want to leave - data you have entered may not be saved.' ); await dialog.accept(); await pageClosingPromise; }); itFailsFirefox('should *not* run beforeunload by default', async () => { const { context, server } = getTestState(); const newPage = await context.newPage(); await newPage.goto(server.PREFIX + '/beforeunload.html'); // We have to interact with a page so that 'beforeunload' handlers // fire. await newPage.click('body'); await newPage.close(); }); it('should set the page close state', async () => { const { context } = getTestState(); const newPage = await context.newPage(); expect(newPage.isClosed()).toBe(false); await newPage.close(); expect(newPage.isClosed()).toBe(true); }); itFailsFirefox('should terminate network waiters', async () => { const { context, server } = getTestState(); const newPage = await context.newPage(); const results = await Promise.all([ newPage.waitForRequest(server.EMPTY_PAGE).catch((error) => error), newPage.waitForResponse(server.EMPTY_PAGE).catch((error) => error), newPage.close(), ]); for (let i = 0; i < 2; i++) { const message = results[i].message; expect(message).toContain('Target closed'); expect(message).not.toContain('Timeout'); } }); }); describe('Page.Events.Load', function () { it('should fire when expected', async () => { const { page } = getTestState(); await Promise.all([ page.goto('about:blank'), utils.waitEvent(page, 'load'), ]); }); }); // This test fails on Firefox on CI consistently but cannot be replicated // locally. Skipping for now to unblock the Mitt release and given FF support // isn't fully done yet but raising an issue to ask the FF folks to have a // look at this. describeFailsFirefox('removing and adding event handlers', () => { it('should correctly fire event handlers as they are added and then removed', async () => { const { page, server } = getTestState(); const handler = sinon.spy(); page.on('response', handler); await page.goto(server.EMPTY_PAGE); expect(handler.callCount).toBe(1); page.off('response', handler); await page.goto(server.EMPTY_PAGE); // Still one because we removed the handler. expect(handler.callCount).toBe(1); page.on('response', handler); await page.goto(server.EMPTY_PAGE); // Two now because we added the handler back. expect(handler.callCount).toBe(2); }); }); describeFailsFirefox('Page.Events.error', function () { it('should throw when page crashes', async () => { const { page } = getTestState(); let error = null; page.on('error', (err) => (error = err)); page.goto('chrome://crash').catch(() => {}); await waitEvent(page, 'error'); expect(error.message).toBe('Page crashed!'); }); }); describeFailsFirefox('Page.Events.Popup', function () { it('should work', async () => { const { page } = getTestState(); const [popup] = await Promise.all([ new Promise((x) => page.once('popup', x)), page.evaluate(() => window.open('about:blank')), ]); expect(await page.evaluate(() => !!window.opener)).toBe(false); expect(await popup.evaluate(() => !!window.opener)).toBe(true); }); it('should work with noopener', async () => { const { page } = getTestState(); const [popup] = await Promise.all([ new Promise((x) => page.once('popup', x)), page.evaluate(() => window.open('about:blank', null, 'noopener')), ]); expect(await page.evaluate(() => !!window.opener)).toBe(false); expect(await popup.evaluate(() => !!window.opener)).toBe(false); }); it('should work with clicking target=_blank', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.setContent('yo'); const [popup] = await Promise.all([ new Promise((x) => page.once('popup', x)), page.click('a'), ]); expect(await page.evaluate(() => !!window.opener)).toBe(false); expect(await popup.evaluate(() => !!window.opener)).toBe(true); }); it('should work with fake-clicking target=_blank and rel=noopener', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.setContent( 'yo' ); const [popup] = await Promise.all([ new Promise((x) => page.once('popup', x)), page.$eval('a', (a: HTMLAnchorElement) => a.click()), ]); expect(await page.evaluate(() => !!window.opener)).toBe(false); expect(await popup.evaluate(() => !!window.opener)).toBe(false); }); it('should work with clicking target=_blank and rel=noopener', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.setContent( 'yo' ); const [popup] = await Promise.all([ new Promise((x) => page.once('popup', x)), page.click('a'), ]); expect(await page.evaluate(() => !!window.opener)).toBe(false); expect(await popup.evaluate(() => !!window.opener)).toBe(false); }); }); describe('BrowserContext.overridePermissions', function () { function getPermission(page, name) { return page.evaluate( (name) => navigator.permissions.query({ name }).then((result) => result.state), name ); } it('should be prompt by default', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); expect(await getPermission(page, 'geolocation')).toBe('prompt'); }); itFailsFirefox('should deny permission when not listed', async () => { const { page, server, context } = getTestState(); await page.goto(server.EMPTY_PAGE); await context.overridePermissions(server.EMPTY_PAGE, []); expect(await getPermission(page, 'geolocation')).toBe('denied'); }); it('should fail when bad permission is given', async () => { const { page, server, context } = getTestState(); await page.goto(server.EMPTY_PAGE); let error = null; await context .overridePermissions(server.EMPTY_PAGE, ['foo']) .catch((error_) => (error = error_)); expect(error.message).toBe('Unknown permission: foo'); }); itFailsFirefox('should grant permission when listed', async () => { const { page, server, context } = getTestState(); await page.goto(server.EMPTY_PAGE); await context.overridePermissions(server.EMPTY_PAGE, ['geolocation']); expect(await getPermission(page, 'geolocation')).toBe('granted'); }); itFailsFirefox('should reset permissions', async () => { const { page, server, context } = getTestState(); await page.goto(server.EMPTY_PAGE); await context.overridePermissions(server.EMPTY_PAGE, ['geolocation']); expect(await getPermission(page, 'geolocation')).toBe('granted'); await context.clearPermissionOverrides(); expect(await getPermission(page, 'geolocation')).toBe('prompt'); }); itFailsFirefox('should trigger permission onchange', async () => { const { page, server, context } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.evaluate(() => { globalThis.events = []; return navigator.permissions .query({ name: 'geolocation' }) .then(function (result) { globalThis.events.push(result.state); result.onchange = function () { globalThis.events.push(result.state); }; }); }); expect(await page.evaluate(() => globalThis.events)).toEqual(['prompt']); await context.overridePermissions(server.EMPTY_PAGE, []); expect(await page.evaluate(() => globalThis.events)).toEqual([ 'prompt', 'denied', ]); await context.overridePermissions(server.EMPTY_PAGE, ['geolocation']); expect(await page.evaluate(() => globalThis.events)).toEqual([ 'prompt', 'denied', 'granted', ]); await context.clearPermissionOverrides(); expect(await page.evaluate(() => globalThis.events)).toEqual([ 'prompt', 'denied', 'granted', 'prompt', ]); }); itFailsFirefox( 'should isolate permissions between browser contexs', async () => { const { page, server, context, browser } = getTestState(); await page.goto(server.EMPTY_PAGE); const otherContext = await browser.createIncognitoBrowserContext(); const otherPage = await otherContext.newPage(); await otherPage.goto(server.EMPTY_PAGE); expect(await getPermission(page, 'geolocation')).toBe('prompt'); expect(await getPermission(otherPage, 'geolocation')).toBe('prompt'); await context.overridePermissions(server.EMPTY_PAGE, []); await otherContext.overridePermissions(server.EMPTY_PAGE, [ 'geolocation', ]); expect(await getPermission(page, 'geolocation')).toBe('denied'); expect(await getPermission(otherPage, 'geolocation')).toBe('granted'); await context.clearPermissionOverrides(); expect(await getPermission(page, 'geolocation')).toBe('prompt'); expect(await getPermission(otherPage, 'geolocation')).toBe('granted'); await otherContext.close(); } ); }); describe('Page.setGeolocation', function () { itFailsFirefox('should work', async () => { const { page, server, context } = getTestState(); await context.overridePermissions(server.PREFIX, ['geolocation']); await page.goto(server.EMPTY_PAGE); await page.setGeolocation({ longitude: 10, latitude: 10 }); const geolocation = await page.evaluate( () => new Promise((resolve) => navigator.geolocation.getCurrentPosition((position) => { resolve({ latitude: position.coords.latitude, longitude: position.coords.longitude, }); }) ) ); expect(geolocation).toEqual({ latitude: 10, longitude: 10, }); }); it('should throw when invalid longitude', async () => { const { page } = getTestState(); let error = null; try { await page.setGeolocation({ longitude: 200, latitude: 10 }); } catch (error_) { error = error_; } expect(error.message).toContain('Invalid longitude "200"'); }); }); describeFailsFirefox('Page.setOfflineMode', function () { it('should work', async () => { const { page, server } = getTestState(); await page.setOfflineMode(true); let error = null; await page.goto(server.EMPTY_PAGE).catch((error_) => (error = error_)); expect(error).toBeTruthy(); await page.setOfflineMode(false); const response = await page.reload(); expect(response.status()).toBe(200); }); it('should emulate navigator.onLine', async () => { const { page } = getTestState(); 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('ExecutionContext.queryObjects', function () { itFailsFirefox('should work', async () => { const { page } = getTestState(); // Instantiate an object await page.evaluate(() => (globalThis.set = new Set(['hello', 'world']))); const prototypeHandle = await page.evaluateHandle(() => Set.prototype); const objectsHandle = await page.queryObjects(prototypeHandle); const count = await page.evaluate( (objects: JSHandle[]) => objects.length, objectsHandle ); expect(count).toBe(1); const values = await page.evaluate( (objects) => Array.from(objects[0].values()), objectsHandle ); expect(values).toEqual(['hello', 'world']); }); itFailsFirefox('should work for non-blank page', async () => { const { page, server } = getTestState(); // Instantiate an object await page.goto(server.EMPTY_PAGE); await page.evaluate(() => (globalThis.set = new Set(['hello', 'world']))); const prototypeHandle = await page.evaluateHandle(() => Set.prototype); const objectsHandle = await page.queryObjects(prototypeHandle); const count = await page.evaluate( (objects: JSHandle[]) => objects.length, objectsHandle ); expect(count).toBe(1); }); it('should fail for disposed handles', async () => { const { page } = getTestState(); const prototypeHandle = await page.evaluateHandle( () => HTMLBodyElement.prototype ); await prototypeHandle.dispose(); let error = null; await page .queryObjects(prototypeHandle) .catch((error_) => (error = error_)); expect(error.message).toBe('Prototype JSHandle is disposed!'); }); it('should fail primitive values as prototypes', async () => { const { page } = getTestState(); const prototypeHandle = await page.evaluateHandle(() => 42); let error = null; await page .queryObjects(prototypeHandle) .catch((error_) => (error = error_)); expect(error.message).toBe( 'Prototype JSHandle must not be referencing primitive value' ); }); }); describeFailsFirefox('Page.Events.Console', function () { it('should work', async () => { const { page } = getTestState(); 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(message.args()).toHaveLength(3); expect(message.location()).toEqual({ url: expect.any(String), lineNumber: expect.any(Number), columnNumber: expect.any(Number), }); 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 () => { const { page } = getTestState(); 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 () => { const { page } = getTestState(); 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 () => { const { page, server, isChrome } = getTestState(); await page.goto('about:blank'); const [message] = await Promise.all([ waitEvent(page, 'console'), page.evaluate( async (url: string) => fetch(url).catch(() => {}), server.EMPTY_PAGE ), ]); expect(message.text()).toContain('Access-Control-Allow-Origin'); if (isChrome) expect(message.type()).toEqual('error'); else expect(message.type()).toEqual('warn'); }); it('should have location when fetch fails', async () => { const { page, server } = getTestState(); // The point of this test is to make sure that we report console messages from // Log domain: https://vanilla.aslushnikov.com/?Log.entryAdded await page.goto(server.EMPTY_PAGE); const [message] = await Promise.all([ waitEvent(page, 'console'), page.setContent(``), ]); expect(message.text()).toContain(`ERR_NAME_NOT_RESOLVED`); expect(message.type()).toEqual('error'); expect(message.location()).toEqual({ url: 'http://wat/', lineNumber: undefined, }); }); it('should have location and stack trace for console API calls', async () => { const { page, server, isChrome } = getTestState(); await page.goto(server.EMPTY_PAGE); const [message] = await Promise.all([ waitEvent(page, 'console'), page.goto(server.PREFIX + '/consolelog.html'), ]); expect(message.text()).toBe('yellow'); expect(message.type()).toBe('log'); expect(message.location()).toEqual({ url: server.PREFIX + '/consolelog.html', lineNumber: 8, columnNumber: isChrome ? 16 : 8, // console.|log vs |console.log }); expect(message.stackTrace()).toEqual([ { url: server.PREFIX + '/consolelog.html', lineNumber: 8, columnNumber: isChrome ? 16 : 8, // console.|log vs |console.log }, { url: server.PREFIX + '/consolelog.html', lineNumber: 11, columnNumber: 8, }, { url: server.PREFIX + '/consolelog.html', lineNumber: 13, columnNumber: 6, }, ]); }); // @see https://github.com/puppeteer/puppeteer/issues/3865 it('should not throw when there are console messages in detached iframes', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.evaluate(async () => { // 1. Create a popup that Puppeteer is not connected to. const win = window.open( window.location.href, 'Title', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=780,height=200,top=0,left=0' ); await new Promise((x) => (win.onload = x)); // 2. In this popup, create an iframe that console.logs a message. win.document.body.innerHTML = ``; const frame = win.document.querySelector('iframe'); await new Promise((x) => (frame.onload = x)); // 3. After that, remove the iframe. frame.remove(); }); const popupTarget = page .browserContext() .targets() .find((target) => target !== page.target()); // 4. Connect to the popup and make sure it doesn't throw. await popupTarget.page(); }); }); describe('Page.Events.DOMContentLoaded', function () { it('should fire when expected', async () => { const { page } = getTestState(); page.goto('about:blank'); await waitEvent(page, 'domcontentloaded'); }); }); describeFailsFirefox('Page.metrics', function () { it('should get metrics from a page', async () => { const { page } = getTestState(); await page.goto('about:blank'); const metrics = await page.metrics(); checkMetrics(metrics); }); it('metrics event fired on console.timeStamp', async () => { const { page } = getTestState(); const metricsPromise = new Promise<{ metrics: Metrics; title: string }>( (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.waitForRequest', function () { it('should work', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const [request] = await Promise.all([ page.waitForRequest(server.PREFIX + '/digits/2.png'), page.evaluate(() => { fetch('/digits/1.png'); fetch('/digits/2.png'); fetch('/digits/3.png'); }), ]); expect(request.url()).toBe(server.PREFIX + '/digits/2.png'); }); it('should work with predicate', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const [request] = await Promise.all([ page.waitForRequest( (request) => request.url() === server.PREFIX + '/digits/2.png' ), page.evaluate(() => { fetch('/digits/1.png'); fetch('/digits/2.png'); fetch('/digits/3.png'); }), ]); expect(request.url()).toBe(server.PREFIX + '/digits/2.png'); }); it('should respect timeout', async () => { const { page, puppeteer } = getTestState(); let error = null; await page .waitForRequest(() => false, { timeout: 1 }) .catch((error_) => (error = error_)); expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError); }); it('should respect default timeout', async () => { const { page, puppeteer } = getTestState(); let error = null; page.setDefaultTimeout(1); await page .waitForRequest(() => false) .catch((error_) => (error = error_)); expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError); }); it('should work with no timeout', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const [request] = await Promise.all([ page.waitForRequest(server.PREFIX + '/digits/2.png', { timeout: 0 }), page.evaluate(() => setTimeout(() => { fetch('/digits/1.png'); fetch('/digits/2.png'); fetch('/digits/3.png'); }, 50) ), ]); expect(request.url()).toBe(server.PREFIX + '/digits/2.png'); }); }); describe('Page.waitForResponse', function () { it('should work', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const [response] = await Promise.all([ page.waitForResponse(server.PREFIX + '/digits/2.png'), page.evaluate(() => { fetch('/digits/1.png'); fetch('/digits/2.png'); fetch('/digits/3.png'); }), ]); expect(response.url()).toBe(server.PREFIX + '/digits/2.png'); }); it('should respect timeout', async () => { const { page, puppeteer } = getTestState(); let error = null; await page .waitForResponse(() => false, { timeout: 1 }) .catch((error_) => (error = error_)); expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError); }); it('should respect default timeout', async () => { const { page, puppeteer } = getTestState(); let error = null; page.setDefaultTimeout(1); await page .waitForResponse(() => false) .catch((error_) => (error = error_)); expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError); }); it('should work with predicate', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const [response] = await Promise.all([ page.waitForResponse( (response) => response.url() === server.PREFIX + '/digits/2.png' ), page.evaluate(() => { fetch('/digits/1.png'); fetch('/digits/2.png'); fetch('/digits/3.png'); }), ]); expect(response.url()).toBe(server.PREFIX + '/digits/2.png'); }); it('should work with no timeout', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const [response] = await Promise.all([ page.waitForResponse(server.PREFIX + '/digits/2.png', { timeout: 0 }), page.evaluate(() => setTimeout(() => { fetch('/digits/1.png'); fetch('/digits/2.png'); fetch('/digits/3.png'); }, 50) ), ]); expect(response.url()).toBe(server.PREFIX + '/digits/2.png'); }); }); describeFailsFirefox('Page.exposeFunction', function () { it('should work', async () => { const { page } = getTestState(); await page.exposeFunction('compute', function (a, b) { return a * b; }); const result = await page.evaluate(async function () { return await globalThis.compute(9, 4); }); expect(result).toBe(36); }); it('should throw exception in page context', async () => { const { page } = getTestState(); await page.exposeFunction('woof', function () { throw new Error('WOOF WOOF'); }); const { message, stack } = await page.evaluate(async () => { try { await globalThis.woof(); } catch (error) { return { message: error.message, stack: error.stack }; } }); expect(message).toBe('WOOF WOOF'); expect(stack).toContain(__filename); }); it('should support throwing "null"', async () => { const { page } = getTestState(); await page.exposeFunction('woof', function () { throw null; }); const thrown = await page.evaluate(async () => { try { await globalThis.woof(); } catch (error) { return error; } }); expect(thrown).toBe(null); }); it('should be callable from-inside evaluateOnNewDocument', async () => { const { page } = getTestState(); let called = false; await page.exposeFunction('woof', function () { called = true; }); await page.evaluateOnNewDocument(() => globalThis.woof()); await page.reload(); expect(called).toBe(true); }); it('should survive navigation', async () => { const { page, server } = getTestState(); 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 globalThis.compute(9, 4); }); expect(result).toBe(36); }); it('should await returned promise', async () => { const { page } = getTestState(); await page.exposeFunction('compute', function (a, b) { return Promise.resolve(a * b); }); const result = await page.evaluate(async function () { return await globalThis.compute(3, 5); }); expect(result).toBe(15); }); it('should work on frames', async () => { const { page, server } = getTestState(); 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 globalThis.compute(3, 5); }); expect(result).toBe(15); }); it('should work on frames before navigation', async () => { const { page, server } = getTestState(); 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 globalThis.compute(3, 5); }); expect(result).toBe(15); }); it('should work with complex objects', async () => { const { page } = getTestState(); await page.exposeFunction('complexObject', function (a, b) { return { x: a.x + b.x }; }); const result = await page.evaluate<() => Promise<{ x: number }>>( async () => globalThis.complexObject({ x: 5 }, { x: 2 }) ); expect(result.x).toBe(7); }); }); describeFailsFirefox('Page.Events.PageError', function () { it('should fire', async () => { const { page, server } = getTestState(); 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.setUserAgent', function () { it('should work', async () => { const { page, server } = getTestState(); expect(await page.evaluate(() => navigator.userAgent)).toContain( 'Mozilla' ); await 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 work for subframes', async () => { const { page, server } = getTestState(); expect(await page.evaluate(() => navigator.userAgent)).toContain( 'Mozilla' ); await page.setUserAgent('foobar'); const [request] = await Promise.all([ server.waitForRequest('/empty.html'), utils.attachFrame(page, 'frame1', server.EMPTY_PAGE), ]); expect(request.headers['user-agent']).toBe('foobar'); }); it('should emulate device user-agent', async () => { const { page, server, puppeteer } = getTestState(); await page.goto(server.PREFIX + '/mobile.html'); expect(await page.evaluate(() => navigator.userAgent)).not.toContain( 'iPhone' ); await page.setUserAgent(puppeteer.devices['iPhone 6'].userAgent); expect(await page.evaluate(() => navigator.userAgent)).toContain( 'iPhone' ); }); }); describe('Page.setContent', function () { const expectedOutput = '
hello
'; it('should work', async () => { const { page } = getTestState(); await page.setContent('
hello
'); const result = await page.content(); expect(result).toBe(expectedOutput); }); it('should work with doctype', async () => { const { page } = getTestState(); 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 () => { const { page } = getTestState(); const doctype = ''; await page.setContent(`${doctype}
hello
`); const result = await page.content(); expect(result).toBe(`${doctype}${expectedOutput}`); }); it('should respect timeout', async () => { const { page, server, puppeteer } = getTestState(); const imgPath = '/img.png'; // stall for image server.setRoute(imgPath, () => {}); let error = null; await page .setContent(``, { timeout: 1, }) .catch((error_) => (error = error_)); expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError); }); it('should respect default navigation timeout', async () => { const { page, server, puppeteer } = getTestState(); page.setDefaultNavigationTimeout(1); const imgPath = '/img.png'; // stall for image server.setRoute(imgPath, () => {}); let error = null; await page .setContent(``) .catch((error_) => (error = error_)); expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError); }); it('should await resources to load', async () => { const { page, server } = getTestState(); const imgPath = '/img.png'; let imgResponse = null; server.setRoute(imgPath, (req, res) => (imgResponse = res)); let loaded = false; const contentPromise = page .setContent(``) .then(() => (loaded = true)); await server.waitForRequest(imgPath); expect(loaded).toBe(false); imgResponse.end(); await contentPromise; }); it('should work fast enough', async () => { const { page } = getTestState(); for (let i = 0; i < 20; ++i) await page.setContent('
yo
'); }); it('should work with tricky content', async () => { const { page } = getTestState(); await page.setContent('
hello world
' + '\x7F'); expect(await page.$eval('div', (div) => div.textContent)).toBe( 'hello world' ); }); it('should work with accents', async () => { const { page } = getTestState(); await page.setContent('
aberración
'); expect(await page.$eval('div', (div) => div.textContent)).toBe( 'aberración' ); }); it('should work with emojis', async () => { const { page } = getTestState(); await page.setContent('
🐥
'); expect(await page.$eval('div', (div) => div.textContent)).toBe('🐥'); }); it('should work with newline', async () => { const { page } = getTestState(); await page.setContent('
\n
'); expect(await page.$eval('div', (div) => div.textContent)).toBe('\n'); }); }); describeFailsFirefox('Page.setBypassCSP', function () { it('should bypass CSP meta tag', async () => { const { page, server } = getTestState(); // Make sure CSP prohibits addScriptTag. await page.goto(server.PREFIX + '/csp.html'); await page .addScriptTag({ content: 'window.__injected = 42;' }) .catch((error) => void error); expect(await page.evaluate(() => globalThis.__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(() => globalThis.__injected)).toBe(42); }); it('should bypass CSP header', async () => { const { page, server } = getTestState(); // 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((error) => void error); expect(await page.evaluate(() => globalThis.__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(() => globalThis.__injected)).toBe(42); }); it('should bypass after cross-process navigation', async () => { const { page, server } = getTestState(); await page.setBypassCSP(true); await page.goto(server.PREFIX + '/csp.html'); await page.addScriptTag({ content: 'window.__injected = 42;' }); expect(await page.evaluate(() => globalThis.__injected)).toBe(42); await page.goto(server.CROSS_PROCESS_PREFIX + '/csp.html'); await page.addScriptTag({ content: 'window.__injected = 42;' }); expect(await page.evaluate(() => globalThis.__injected)).toBe(42); }); it('should bypass CSP in iframes as well', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); { // Make sure CSP prohibits addScriptTag in an iframe. const frame = await utils.attachFrame( page, 'frame1', server.PREFIX + '/csp.html' ); await frame .addScriptTag({ content: 'window.__injected = 42;' }) .catch((error) => void error); expect(await frame.evaluate(() => globalThis.__injected)).toBe( undefined ); } // By-pass CSP and try one more time. await page.setBypassCSP(true); await page.reload(); { const frame = await utils.attachFrame( page, 'frame1', server.PREFIX + '/csp.html' ); await frame .addScriptTag({ content: 'window.__injected = 42;' }) .catch((error) => void error); expect(await frame.evaluate(() => globalThis.__injected)).toBe(42); } }); }); describe('Page.addScriptTag', function () { it('should throw an error if no options are provided', async () => { const { page } = getTestState(); let error = null; try { // @ts-expect-error await page.addScriptTag('/injectedfile.js'); } catch (error_) { error = error_; } expect(error.message).toBe( 'Provide an object with a `url`, `path` or `content` property' ); }); it('should work with a url', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const scriptHandle = await page.addScriptTag({ url: '/injectedfile.js' }); expect(scriptHandle.asElement()).not.toBeNull(); expect(await page.evaluate(() => globalThis.__injected)).toBe(42); }); it('should work with a url and type=module', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.addScriptTag({ url: '/es6/es6import.js', type: 'module' }); expect(await page.evaluate(() => globalThis.__es6injected)).toBe(42); }); it('should work with a path and type=module', async () => { const { page, server } = getTestState(); 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(() => globalThis.__es6injected)).toBe(42); }); it('should work with a content and type=module', async () => { const { page, server } = getTestState(); 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(() => globalThis.__es6injected)).toBe(42); }); it('should throw an error if loading from url fail', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); let error = null; try { await page.addScriptTag({ url: '/nonexistfile.js' }); } catch (error_) { error = error_; } expect(error.message).toBe('Loading script from /nonexistfile.js failed'); }); it('should work with a path', async () => { const { page, server } = getTestState(); 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(() => globalThis.__injected)).toBe(42); }); it('should include sourcemap when path is provided', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); await page.addScriptTag({ path: path.join(__dirname, 'assets/injectedfile.js'), }); const result = await page.evaluate( () => globalThis.__injectedError.stack ); expect(result).toContain(path.join('assets', 'injectedfile.js')); }); it('should work with content', async () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); const scriptHandle = await page.addScriptTag({ content: 'window.__injected = 35;', }); expect(scriptHandle.asElement()).not.toBeNull(); expect(await page.evaluate(() => globalThis.__injected)).toBe(35); }); // @see https://github.com/puppeteer/puppeteer/issues/4840 xit('should throw when added with content to the CSP page', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/csp.html'); let error = null; await page .addScriptTag({ content: 'window.__injected = 35;' }) .catch((error_) => (error = error_)); expect(error).toBeTruthy(); }); it('should throw when added with URL to the CSP page', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/csp.html'); let error = null; await page .addScriptTag({ url: server.CROSS_PROCESS_PREFIX + '/injectedfile.js' }) .catch((error_) => (error = error_)); expect(error).toBeTruthy(); }); }); describe('Page.addStyleTag', function () { it('should throw an error if no options are provided', async () => { const { page } = getTestState(); let error = null; try { // @ts-expect-error await page.addStyleTag('/injectedstyle.css'); } catch (error_) { error = error_; } expect(error.message).toBe( 'Provide an object with a `url`, `path` or `content` property' ); }); it('should work with a url', async () => { const { page, server } = getTestState(); 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 () => { const { page, server } = getTestState(); await page.goto(server.EMPTY_PAGE); let error = null; try { await page.addStyleTag({ url: '/nonexistfile.js' }); } catch (error_) { error = error_; } expect(error.message).toBe('Loading style from /nonexistfile.js failed'); }); it('should work with a path', async () => { const { page, server } = getTestState(); 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 () => { const { page, server } = getTestState(); 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: HTMLStyleElement) => style.innerHTML, styleHandle ); expect(styleContent).toContain(path.join('assets', 'injectedstyle.css')); }); it('should work with content', async () => { const { page, server } = getTestState(); 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)'); }); itFailsFirefox( 'should throw when added with content to the CSP page', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/csp.html'); let error = null; await page .addStyleTag({ content: 'body { background-color: green; }' }) .catch((error_) => (error = error_)); expect(error).toBeTruthy(); } ); it('should throw when added with URL to the CSP page', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/csp.html'); let error = null; await page .addStyleTag({ url: server.CROSS_PROCESS_PREFIX + '/injectedstyle.css', }) .catch((error_) => (error = error_)); expect(error).toBeTruthy(); }); }); describe('Page.url', function () { it('should work', async () => { const { page, server } = getTestState(); expect(page.url()).toBe('about:blank'); await page.goto(server.EMPTY_PAGE); expect(page.url()).toBe(server.EMPTY_PAGE); }); }); describeFailsFirefox('Page.setJavaScriptEnabled', function () { it('should work', async () => { const { page } = getTestState(); await page.setJavaScriptEnabled(false); await page.goto( 'data:text/html, ' ); let error = null; await page.evaluate('something').catch((error_) => (error = error_)); 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.setCacheEnabled', function () { it('should enable or disable the cache based on the state passed', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/cached/one-style.html'); const [cachedRequest] = await Promise.all([ server.waitForRequest('/cached/one-style.html'), page.reload(), ]); // Rely on "if-modified-since" caching in our test server. expect(cachedRequest.headers['if-modified-since']).not.toBe(undefined); await page.setCacheEnabled(false); const [nonCachedRequest] = await Promise.all([ server.waitForRequest('/cached/one-style.html'), page.reload(), ]); expect(nonCachedRequest.headers['if-modified-since']).toBe(undefined); }); itFailsFirefox( 'should stay disabled when toggling request interception on/off', async () => { const { page, server } = getTestState(); await page.setCacheEnabled(false); await page.setRequestInterception(true); await page.setRequestInterception(false); await page.goto(server.PREFIX + '/cached/one-style.html'); const [nonCachedRequest] = await Promise.all([ server.waitForRequest('/cached/one-style.html'), page.reload(), ]); expect(nonCachedRequest.headers['if-modified-since']).toBe(undefined); } ); }); describe('printing to PDF', function () { it('can print to PDF and save to file', async () => { // Printing to pdf is currently only supported in headless const { isHeadless, page } = getTestState(); if (!isHeadless) return; 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 () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/title.html'); expect(await page.title()).toBe('Woof-Woof'); }); }); describe('Page.select', function () { it('should select single option', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.select('select', 'blue'); expect(await page.evaluate(() => globalThis.result.onInput)).toEqual([ 'blue', ]); expect(await page.evaluate(() => globalThis.result.onChange)).toEqual([ 'blue', ]); }); it('should select only first option', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.select('select', 'blue', 'green', 'red'); expect(await page.evaluate(() => globalThis.result.onInput)).toEqual([ 'blue', ]); expect(await page.evaluate(() => globalThis.result.onChange)).toEqual([ 'blue', ]); }); it('should not throw when select causes navigation', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.$eval('select', (select) => select.addEventListener( 'input', () => ((window as any).location = '/empty.html') ) ); await Promise.all([ page.select('select', 'blue'), page.waitForNavigation(), ]); expect(page.url()).toContain('empty.html'); }); it('should select multiple options', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.evaluate(() => globalThis.makeMultiple()); await page.select('select', 'blue', 'green', 'red'); expect(await page.evaluate(() => globalThis.result.onInput)).toEqual([ 'blue', 'green', 'red', ]); expect(await page.evaluate(() => globalThis.result.onChange)).toEqual([ 'blue', 'green', 'red', ]); }); it('should respect event bubbling', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.select('select', 'blue'); expect( await page.evaluate(() => globalThis.result.onBubblingInput) ).toEqual(['blue']); expect( await page.evaluate(() => globalThis.result.onBubblingChange) ).toEqual(['blue']); }); it('should throw when element is not a element.'); }); it('should return [] on no matched values', async () => { const { page, server } = getTestState(); 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 () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.evaluate(() => globalThis.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 () => { const { page, server } = getTestState(); 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 () => { const { page, server } = getTestState(); 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 () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.evaluate(() => globalThis.makeMultiple()); await page.select('select', 'blue', 'black', 'magenta'); await page.select('select'); expect( await page.$eval('select', (select: HTMLSelectElement) => Array.from(select.options).every( (option: HTMLOptionElement) => !option.selected ) ) ).toEqual(true); }); it('should deselect all options when passed no values for a select without multiple', async () => { const { page, server } = getTestState(); 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: HTMLSelectElement) => Array.from(select.options).every( (option: HTMLOptionElement) => !option.selected ) ) ).toEqual(true); }); it('should throw if passed in non-strings', async () => { const { page } = getTestState(); await page.setContent(''); let error = null; try { // @ts-expect-error await page.select('select', 12); } catch (error_) { error = error_; } expect(error.message).toContain('Values must be strings'); }); // @see https://github.com/puppeteer/puppeteer/issues/3327 itFailsFirefox( 'should work when re-defining top-level Event class', async () => { const { page, server } = getTestState(); await page.goto(server.PREFIX + '/input/select.html'); await page.evaluate(() => (window.Event = null)); await page.select('select', 'blue'); expect(await page.evaluate(() => globalThis.result.onInput)).toEqual([ 'blue', ]); expect(await page.evaluate(() => globalThis.result.onChange)).toEqual([ 'blue', ]); } ); }); describe('Page.Events.Close', function () { itFailsFirefox('should work with window.close', async () => { const { page, context } = getTestState(); const newPagePromise = new Promise((fulfill) => context.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 () => { const { context } = getTestState(); const newPage = await context.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 () => { const { page, browser } = getTestState(); expect(page.browser()).toBe(browser); }); }); describe('Page.browserContext', function () { it('should return the correct browser instance', async () => { const { page, context } = getTestState(); expect(page.browserContext()).toBe(context); }); }); });