mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
1998 lines
78 KiB
JavaScript
1998 lines
78 KiB
JavaScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const fs = require('fs');
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const rm = require('rimraf').sync;
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const path = require('path');
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const helper = require('../lib/helper');
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if (process.env.COVERAGE)
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helper.recordPublicAPICoverage();
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const puppeteer = require('..');
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const SimpleServer = require('./server/SimpleServer');
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const GoldenUtils = require('./golden-utils');
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const YELLOW_COLOR = '\x1b[33m';
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const RESET_COLOR = '\x1b[0m';
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const GOLDEN_DIR = path.join(__dirname, 'golden');
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const OUTPUT_DIR = path.join(__dirname, 'output');
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const PORT = 8907;
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const PREFIX = 'http://localhost:' + PORT;
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const CROSS_PROCESS_PREFIX = 'http://127.0.0.1:' + PORT;
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const EMPTY_PAGE = PREFIX + '/empty.html';
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const HTTPS_PORT = 8908;
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const HTTPS_PREFIX = 'https://localhost:' + HTTPS_PORT;
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const headless = (process.env.HEADLESS || 'true').trim().toLowerCase() === 'true';
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const slowMo = parseInt((process.env.SLOW_MO || '0').trim(), 10);
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const executablePath = process.env.CHROME;
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if (executablePath)
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console.warn(`${YELLOW_COLOR}WARN: running tests with ${executablePath}${RESET_COLOR}`);
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const defaultBrowserOptions = {
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executablePath,
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slowMo,
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headless,
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args: ['--no-sandbox']
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};
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if (process.env.DEBUG_TEST || slowMo)
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 1000 * 1000;
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else
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 10 * 1000;
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// Make sure the `npm install` was run after the chromium roll.
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{
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const Downloader = require('../utils/ChromiumDownloader');
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const chromiumRevision = require('../package.json').puppeteer.chromium_revision;
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const revisionInfo = Downloader.revisionInfo(Downloader.currentPlatform(), chromiumRevision);
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console.assert(revisionInfo.downloaded, `Chromium r${chromiumRevision} is not downloaded. Run 'npm install' and try to re-run tests.`);
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}
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let server;
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let httpsServer;
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beforeAll(SX(async function() {
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const assetsPath = path.join(__dirname, 'assets');
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server = await SimpleServer.create(assetsPath, PORT);
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httpsServer = await SimpleServer.createHTTPS(assetsPath, HTTPS_PORT);
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if (fs.existsSync(OUTPUT_DIR))
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rm(OUTPUT_DIR);
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}));
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afterAll(SX(async function() {
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await Promise.all([
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server.stop(),
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httpsServer.stop(),
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]);
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}));
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describe('Browser', function() {
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it('Browser.Options.ignoreHTTPSErrors', SX(async function() {
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const options = Object.assign({ignoreHTTPSErrors: true}, defaultBrowserOptions);
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const browser = await puppeteer.launch(options);
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const page = await browser.newPage();
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let error = null;
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let response = null;
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try {
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response = await page.goto(HTTPS_PREFIX + '/empty.html');
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} catch (e) {
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error = e;
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}
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expect(error).toBe(null);
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expect(response.ok).toBe(true);
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browser.close();
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}));
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it('should reject all promises when browser is closed', SX(async function() {
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const browser = await puppeteer.launch(defaultBrowserOptions);
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const page = await browser.newPage();
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let error = null;
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const neverResolves = page.evaluate(() => new Promise(r => {})).catch(e => error = e);
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browser.close();
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await neverResolves;
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expect(error.message).toContain('Protocol error');
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}));
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it('Puppeteer.connect', SX(async function() {
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const originalBrowser = await puppeteer.launch(defaultBrowserOptions);
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const browser = await puppeteer.connect({
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browserWSEndpoint: originalBrowser.wsEndpoint()
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});
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const page = await browser.newPage();
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expect(await page.evaluate(() => 7 * 8)).toBe(56);
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originalBrowser.close();
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}));
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});
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describe('Page', function() {
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const iPhone = require('../DeviceDescriptors')['iPhone 6'];
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const iPhoneLandscape = require('../DeviceDescriptors')['iPhone 6 landscape'];
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let browser;
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let page;
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beforeAll(SX(async function() {
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browser = await puppeteer.launch(defaultBrowserOptions);
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}));
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afterAll(SX(async function() {
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browser.close();
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}));
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beforeEach(SX(async function() {
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page = await browser.newPage();
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server.reset();
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httpsServer.reset();
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GoldenUtils.addMatchers(jasmine, GOLDEN_DIR, OUTPUT_DIR);
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}));
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afterEach(SX(async function() {
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await page.close();
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}));
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describe('Browser.version', function() {
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it('should return whether we are in headless', SX(async function() {
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const version = await browser.version();
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expect(version.length).toBeGreaterThan(0);
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expect(version.startsWith('Headless')).toBe(headless);
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}));
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});
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describe('Page.close', function() {
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it('should reject all promises when page is closed', SX(async function() {
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const newPage = await browser.newPage();
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const neverResolves = newPage.evaluate(() => new Promise(r => {}));
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newPage.close();
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let error = null;
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try {
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await neverResolves;
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} catch (e) {
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error = e;
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}
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expect(error.message).toContain('Protocol error');
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}));
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});
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describe('Page.Events.error', function() {
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it('should throw when page crashes', SX(async function() {
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let error = null;
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page.on('error', err => error = err);
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page.goto('chrome://crash').catch(e => {});
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await waitForEvents(page, 'error');
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expect(error.message).toBe('Page crashed!');
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}));
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});
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describe('Page.evaluate', function() {
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it('should work', SX(async function() {
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const result = await page.evaluate(() => 7 * 3);
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expect(result).toBe(21);
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}));
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it('should await promise', SX(async function() {
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const result = await page.evaluate(() => Promise.resolve(8 * 7));
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expect(result).toBe(56);
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}));
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it('should work from-inside an exposed function', SX(async function() {
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// Setup inpage callback, which calls Page.evaluate
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await page.exposeFunction('callController', async function(a, b) {
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return await page.evaluate((a, b) => a * b, a, b);
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});
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const result = await page.evaluate(async function() {
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return await callController(9, 3);
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});
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expect(result).toBe(27);
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}));
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it('should reject promise with exception', SX(async function() {
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let error = null;
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try {
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await page.evaluate(() => not.existing.object.property);
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} catch (e) {
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error = e;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('not is not defined');
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}));
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it('should return complex objects', SX(async function() {
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const object = {foo: 'bar!'};
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const result = await page.evaluate(a => a, object);
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expect(result).not.toBe(object);
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expect(result).toEqual(object);
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}));
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it('should return NaN', SX(async function() {
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const result = await page.evaluate(() => NaN);
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expect(Object.is(result, NaN)).toBe(true);
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}));
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it('should return -0', SX(async function() {
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const result = await page.evaluate(() => -0);
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expect(Object.is(result, -0)).toBe(true);
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}));
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it('should return Infinity', SX(async function() {
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const result = await page.evaluate(() => Infinity);
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expect(Object.is(result, Infinity)).toBe(true);
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}));
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it('should return -Infinity', SX(async function() {
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const result = await page.evaluate(() => -Infinity);
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expect(Object.is(result, -Infinity)).toBe(true);
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}));
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it('should not fail for window object', SX(async function() {
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const result = await page.evaluate(() => window);
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expect(result).toBe('Window');
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}));
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it('should accept a string', SX(async function() {
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const result = await page.evaluate('1 + 2');
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expect(result).toBe(3);
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}));
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it('should accept a string with semi colons', SX(async function() {
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const result = await page.evaluate('1 + 5;');
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expect(result).toBe(6);
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}));
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it('should accept a string with comments', SX(async function() {
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const result = await page.evaluate('2 + 5;\n// do some math!');
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expect(result).toBe(7);
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}));
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});
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describe('Page.injectFile', function() {
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it('should work', SX(async function() {
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const helloPath = path.join(__dirname, 'assets', 'injectedfile.js');
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await page.injectFile(helloPath);
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const result = await page.evaluate(() => __injected);
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expect(result).toBe(42);
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}));
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it('should include sourcemap', SX(async function() {
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const helloPath = path.join(__dirname, 'assets', 'injectedfile.js');
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await page.injectFile(helloPath);
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const result = await page.evaluate(() => __injectedError.stack);
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expect(result).toContain(path.join('assets', 'injectedfile.js'));
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}));
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});
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describe('Frame.evaluate', function() {
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const FrameUtils = require('./frame-utils');
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it('should have different execution contexts', SX(async function() {
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await page.goto(EMPTY_PAGE);
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await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
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expect(page.frames().length).toBe(2);
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const frame1 = page.frames()[0];
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const frame2 = page.frames()[1];
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await frame1.evaluate(() => window.FOO = 'foo');
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await frame2.evaluate(() => window.FOO = 'bar');
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expect(await frame1.evaluate(() => window.FOO)).toBe('foo');
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expect(await frame2.evaluate(() => window.FOO)).toBe('bar');
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}));
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it('should execute after cross-site navigation', SX(async function() {
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await page.goto(EMPTY_PAGE);
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const mainFrame = page.mainFrame();
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expect(await mainFrame.evaluate(() => window.location.href)).toContain('localhost');
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await page.goto(CROSS_PROCESS_PREFIX + '/empty.html');
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expect(await mainFrame.evaluate(() => window.location.href)).toContain('127');
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}));
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});
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describe('Frame.waitForFunction', function() {
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it('should accept a string', SX(async function() {
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const watchdog = page.waitForFunction('window.__FOO === 1');
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await page.evaluate(() => window.__FOO = 1);
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await watchdog;
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}));
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it('should poll on interval', SX(async function() {
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let success = false;
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const startTime = Date.now();
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const polling = 100;
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const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling})
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.then(() => success = true);
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await page.evaluate(() => window.__FOO = 'hit');
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expect(success).toBe(false);
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await page.evaluate(() => document.body.appendChild(document.createElement('div')));
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await watchdog;
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expect(Date.now() - startTime).not.toBeLessThan(polling / 2);
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}));
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it('should poll on mutation', SX(async function() {
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let success = false;
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const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling: 'mutation'})
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.then(() => success = true);
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await page.evaluate(() => window.__FOO = 'hit');
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expect(success).toBe(false);
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await page.evaluate(() => document.body.appendChild(document.createElement('div')));
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await watchdog;
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}));
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it('should poll on raf', SX(async function() {
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const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {polling: 'raf'});
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await page.evaluate(() => window.__FOO = 'hit');
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await watchdog;
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}));
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it('should throw on bad polling value', SX(async function() {
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let error = null;
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try {
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await page.waitForFunction(() => !!document.body, {polling: 'unknown'});
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} catch (e) {
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error = e;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('polling');
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}));
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it('should throw negative polling interval', SX(async function() {
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let error = null;
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try {
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await page.waitForFunction(() => !!document.body, {polling: -10});
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} catch (e) {
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error = e;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('Cannot poll with non-positive interval');
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}));
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});
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describe('Frame.waitForSelector', function() {
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const FrameUtils = require('./frame-utils');
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const addElement = tag => document.body.appendChild(document.createElement(tag));
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it('should immediately resolve promise if node exists', SX(async function() {
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await page.goto(EMPTY_PAGE);
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const frame = page.mainFrame();
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let added = false;
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await frame.waitForSelector('*').then(() => added = true);
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expect(added).toBe(true);
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added = false;
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await frame.evaluate(addElement, 'div');
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await frame.waitForSelector('div').then(() => added = true);
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expect(added).toBe(true);
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}));
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it('should resolve promise when node is added', SX(async function() {
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await page.goto(EMPTY_PAGE);
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const frame = page.mainFrame();
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let added = false;
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const watchdog = frame.waitForSelector('div').then(() => added = true);
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// run nop function..
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await frame.evaluate(() => 42);
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// .. to be sure that waitForSelector promise is not resolved yet.
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expect(added).toBe(false);
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await frame.evaluate(addElement, 'br');
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expect(added).toBe(false);
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await frame.evaluate(addElement, 'div');
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await watchdog;
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expect(added).toBe(true);
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}));
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it('should work when node is added through innerHTML', SX(async function() {
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await page.goto(EMPTY_PAGE);
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const watchdog = page.waitForSelector('h3 div');
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await page.evaluate(addElement, 'span');
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await page.evaluate(() => document.querySelector('span').innerHTML = '<h3><div></div></h3>');
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await watchdog;
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}));
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it('Page.waitForSelector is shortcut for main frame', SX(async function() {
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await page.goto(EMPTY_PAGE);
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await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
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const otherFrame = page.frames()[1];
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let added = false;
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page.waitForSelector('div').then(() => added = true);
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await otherFrame.evaluate(addElement, 'div');
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expect(added).toBe(false);
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await page.evaluate(addElement, 'div');
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expect(added).toBe(true);
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}));
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it('should run in specified frame', SX(async function() {
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await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
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await FrameUtils.attachFrame(page, 'frame2', EMPTY_PAGE);
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const frame1 = page.frames()[1];
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const frame2 = page.frames()[2];
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let added = false;
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frame2.waitForSelector('div').then(() => added = true);
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expect(added).toBe(false);
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await frame1.evaluate(addElement, 'div');
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expect(added).toBe(false);
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await frame2.evaluate(addElement, 'div');
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expect(added).toBe(true);
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}));
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it('should throw if evaluation failed', SX(async function() {
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await page.evaluateOnNewDocument(function() {
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document.querySelector = null;
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});
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await page.goto(EMPTY_PAGE);
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try {
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await page.waitForSelector('*');
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fail('Failed waitForSelector did not throw.');
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} catch (e) {
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expect(e.message).toContain('document.querySelector is not a function');
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}
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}));
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it('should throw when frame is detached', SX(async function() {
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await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
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const frame = page.frames()[1];
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let waitError = null;
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const waitPromise = frame.waitForSelector('.box').catch(e => waitError = e);
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await FrameUtils.detachFrame(page, 'frame1');
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await waitPromise;
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expect(waitError).toBeTruthy();
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expect(waitError.message).toContain('waitForSelector failed: frame got detached.');
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}));
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it('should survive cross-process navigation', SX(async function() {
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let boxFound = false;
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const waitForSelector = page.waitForSelector('.box').then(() => boxFound = true);
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await page.goto(EMPTY_PAGE);
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expect(boxFound).toBe(false);
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await page.reload();
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expect(boxFound).toBe(false);
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await page.goto(CROSS_PROCESS_PREFIX + '/grid.html');
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await waitForSelector;
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expect(boxFound).toBe(true);
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}));
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it('should wait for visible', SX(async function() {
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let divFound = false;
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const waitForSelector = page.waitForSelector('div', {visible: true}).then(() => divFound = true);
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await page.setContent(`<div style='display: none;visibility: hidden'></div>`);
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expect(divFound).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.removeProperty('display'));
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expect(divFound).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.removeProperty('visibility'));
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expect(await waitForSelector).toBe(true);
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}));
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it('should respect timeout', SX(async function() {
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let error = null;
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await page.waitForSelector('div', {timeout: 10}).catch(e => error = e);
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expect(error).toBeTruthy();
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expect(error.message).toContain('waiting failed: timeout');
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}));
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it('should respond to node attribute mutation', SX(async function() {
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let divFound = false;
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const waitForSelector = page.waitForSelector('.zombo').then(() => divFound = true);
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await page.setContent(`<div class='notZombo'></div>`);
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expect(divFound).toBe(false);
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await page.evaluate(() => document.querySelector('div').className = 'zombo');
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expect(await waitForSelector).toBe(true);
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}));
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});
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describe('Page.waitFor', function() {
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it('should wait for selector', SX(async function() {
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let found = false;
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const waitFor = page.waitFor('div').then(() => found = true);
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(found).toBe(false);
|
|
await page.goto(PREFIX + '/grid.html');
|
|
await waitFor;
|
|
expect(found).toBe(true);
|
|
}));
|
|
it('should timeout', SX(async function() {
|
|
const startTime = Date.now();
|
|
const timeout = 42;
|
|
await page.waitFor(timeout);
|
|
expect(Date.now() - startTime).not.toBeLessThan(timeout / 2);
|
|
}));
|
|
it('should wait for predicate', SX(async function() {
|
|
const watchdog = page.waitFor(() => window.innerWidth < 100);
|
|
page.setViewport({width: 10, height: 10});
|
|
await watchdog;
|
|
}));
|
|
it('should throw when unknown type', SX(async function() {
|
|
try {
|
|
await page.waitFor({foo: 'bar'});
|
|
fail('Failed to throw exception');
|
|
} catch (e) {
|
|
expect(e.message).toContain('Unsupported target type');
|
|
}
|
|
}));
|
|
});
|
|
|
|
describe('Page.Events.Console', function() {
|
|
it('should work', SX(async function() {
|
|
let commandArgs = [];
|
|
page.once('console', (...args) => commandArgs = args);
|
|
await Promise.all([
|
|
page.evaluate(() => console.log(5, 'hello', {foo: 'bar'})),
|
|
waitForEvents(page, 'console')
|
|
]);
|
|
expect(commandArgs).toEqual([5, 'hello', {foo: 'bar'}]);
|
|
}));
|
|
it('should work for different console API calls', SX(async function() {
|
|
const messages = [];
|
|
page.on('console', msg => messages.push(msg));
|
|
await Promise.all([
|
|
page.evaluate(() => {
|
|
// A pair of time/timeEnd generates only one Console API call.
|
|
console.time('calling console.time');
|
|
console.timeEnd('calling console.time');
|
|
console.trace('calling console.trace');
|
|
console.dir('calling console.dir');
|
|
console.warn('calling console.warn');
|
|
console.error('calling console.error');
|
|
console.log(Promise.resolve('should not wait until resolved!'));
|
|
}),
|
|
// Wait for 5 events to hit.
|
|
waitForEvents(page, 'console', 5)
|
|
]);
|
|
expect(messages[0]).toContain('calling console.time');
|
|
expect(messages.slice(1)).toEqual([
|
|
'calling console.trace',
|
|
'calling console.dir',
|
|
'calling console.warn',
|
|
'calling console.error',
|
|
'Promise',
|
|
]);
|
|
}));
|
|
it('should not fail for window object', SX(async function() {
|
|
let windowObj = null;
|
|
page.once('console', arg => windowObj = arg);
|
|
await Promise.all([
|
|
page.evaluate(() => console.error(window)),
|
|
waitForEvents(page, 'console')
|
|
]);
|
|
expect(windowObj).toBe('Window');
|
|
}));
|
|
});
|
|
|
|
describe('Page.goto', function() {
|
|
it('should navigate to about:blank', SX(async function() {
|
|
const response = await page.goto('about:blank');
|
|
expect(response).toBe(null);
|
|
}));
|
|
it('should fail when navigating to bad url', SX(async function() {
|
|
let error = null;
|
|
try {
|
|
await page.goto('asdfasdf');
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error.message).toContain('Cannot navigate to invalid URL');
|
|
}));
|
|
it('should fail when navigating to bad SSL', SX(async function() {
|
|
// Make sure that network events do not emit 'undefind'.
|
|
// @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;
|
|
try {
|
|
await page.goto(HTTPS_PREFIX + '/empty.html');
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error.message).toContain('SSL Certificate error');
|
|
}));
|
|
it('should fail when main resources failed to load', SX(async function() {
|
|
let error = null;
|
|
try {
|
|
await page.goto('http://localhost:44123/non-existing-url');
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error.message).toContain('Failed to navigate');
|
|
}));
|
|
it('should fail when exceeding maximum navigation timeout', SX(async function() {
|
|
let error = null;
|
|
// Hang for request to the empty.html
|
|
server.setRoute('/empty.html', (req, res) => { });
|
|
try {
|
|
await page.goto(PREFIX + '/empty.html', {timeout: 59});
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error.message).toContain('Navigation Timeout Exceeded: 59ms');
|
|
}));
|
|
it('should work when navigating to valid url', SX(async function() {
|
|
const response = await page.goto(EMPTY_PAGE);
|
|
expect(response.ok).toBe(true);
|
|
}));
|
|
it('should work when navigating to data url', SX(async function() {
|
|
const response = await page.goto('data:text/html,hello');
|
|
expect(response.ok).toBe(true);
|
|
}));
|
|
it('should work when navigating to 404', SX(async function() {
|
|
const response = await page.goto(PREFIX + '/not-found');
|
|
expect(response.ok).toBe(false);
|
|
expect(response.status).toBe(404);
|
|
}));
|
|
it('should return last response in redirect chain', SX(async function() {
|
|
server.setRedirect('/redirect/1.html', '/redirect/2.html');
|
|
server.setRedirect('/redirect/2.html', '/redirect/3.html');
|
|
server.setRedirect('/redirect/3.html', EMPTY_PAGE);
|
|
const response = await page.goto(PREFIX + '/redirect/1.html');
|
|
expect(response.ok).toBe(true);
|
|
expect(response.url).toBe(EMPTY_PAGE);
|
|
}));
|
|
it('should wait for network idle to succeed navigation', SX(async function() {
|
|
let responses = [];
|
|
// Hold on to a bunch of requests without answering.
|
|
server.setRoute('/fetch-request-a.js', (req, res) => responses.push(res));
|
|
server.setRoute('/fetch-request-b.js', (req, res) => responses.push(res));
|
|
server.setRoute('/fetch-request-c.js', (req, res) => responses.push(res));
|
|
server.setRoute('/fetch-request-d.js', (req, res) => responses.push(res));
|
|
const initialFetchResourcesRequested = Promise.all([
|
|
server.waitForRequest('/fetch-request-a.js'),
|
|
server.waitForRequest('/fetch-request-b.js'),
|
|
server.waitForRequest('/fetch-request-c.js'),
|
|
]);
|
|
const secondFetchResourceRequested = server.waitForRequest('/fetch-request-d.js');
|
|
|
|
// Navigate to a page which loads immediately and then does a bunch of
|
|
// requests via javascript's fetch method.
|
|
const navigationPromise = page.goto(PREFIX + '/networkidle.html', {
|
|
waitUntil: 'networkidle',
|
|
networkIdleTimeout: 100,
|
|
networkIdleInflight: 0, // Only be idle when there are 0 inflight requests
|
|
});
|
|
// 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 wait for websockets to succeed navigation', SX(async function() {
|
|
const responses = [];
|
|
// Hold on to the fetch request without answering.
|
|
server.setRoute('/fetch-request.js', (req, res) => responses.push(res));
|
|
const fetchResourceRequested = server.waitForRequest('/fetch-request.js');
|
|
// Navigate to a page which loads immediately and then opens a bunch of
|
|
// websocket connections and then a fetch request.
|
|
const navigationPromise = page.goto(PREFIX + '/websocket.html', {
|
|
waitUntil: 'networkidle',
|
|
networkIdleTimeout: 100,
|
|
networkIdleInflight: 0, // Only be idle when there are 0 inflight requests/connections
|
|
});
|
|
// 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 resource to be requested.
|
|
await fetchResourceRequested;
|
|
|
|
// Expect navigation still to be not finished.
|
|
expect(navigationFinished).toBe(false);
|
|
|
|
// Respond to the request.
|
|
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 durint navigation', SX(async function() {
|
|
let warning = null;
|
|
const warningHandler = w => warning = w;
|
|
process.on('warning', warningHandler);
|
|
for (let i = 0; i < 20; ++i)
|
|
await page.goto(EMPTY_PAGE);
|
|
process.removeListener('warning', warningHandler);
|
|
expect(warning).toBe(null);
|
|
}));
|
|
it('should navigate to dataURL and fire dataURL requests', SX(async function() {
|
|
const requests = [];
|
|
page.on('request', request => requests.push(request));
|
|
const dataURL = 'data:text/html,<div>yo</div>';
|
|
const response = await page.goto(dataURL);
|
|
expect(response.status).toBe(200);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toBe(dataURL);
|
|
}));
|
|
it('should navigate to URL with hash and fire requests without hash', SX(async function() {
|
|
const requests = [];
|
|
page.on('request', request => requests.push(request));
|
|
const response = await page.goto(EMPTY_PAGE + '#hash');
|
|
expect(response.status).toBe(200);
|
|
expect(response.url).toBe(EMPTY_PAGE);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toBe(EMPTY_PAGE);
|
|
}));
|
|
});
|
|
|
|
describe('Page.waitForNavigation', function() {
|
|
it('should work', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
const [result] = await Promise.all([
|
|
page.waitForNavigation(),
|
|
page.evaluate(url => window.location.href = url, PREFIX + '/grid.html')
|
|
]);
|
|
const response = await result;
|
|
expect(response.ok).toBe(true);
|
|
expect(response.url).toContain('grid.html');
|
|
}));
|
|
});
|
|
|
|
describe('Page.goBack', function() {
|
|
it('should work', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
await page.goto(PREFIX + '/grid.html');
|
|
|
|
let response = await page.goBack();
|
|
expect(response.ok).toBe(true);
|
|
expect(response.url).toContain(EMPTY_PAGE);
|
|
|
|
response = await page.goForward();
|
|
expect(response.ok).toBe(true);
|
|
expect(response.url).toContain('/grid.html');
|
|
|
|
response = await page.goForward();
|
|
expect(response).toBe(null);
|
|
}));
|
|
});
|
|
|
|
describe('Page.exposeFunction', function() {
|
|
it('should work', SX(async function() {
|
|
await page.exposeFunction('compute', function(a, b) {
|
|
return a * b;
|
|
});
|
|
const result = await page.evaluate(async function() {
|
|
return await compute(9, 4);
|
|
});
|
|
expect(result).toBe(36);
|
|
}));
|
|
it('should survive navigation', SX(async function() {
|
|
await page.exposeFunction('compute', function(a, b) {
|
|
return a * b;
|
|
});
|
|
|
|
await page.goto(EMPTY_PAGE);
|
|
const result = await page.evaluate(async function() {
|
|
return await compute(9, 4);
|
|
});
|
|
expect(result).toBe(36);
|
|
}));
|
|
it('should await returned promise', SX(async function() {
|
|
await page.exposeFunction('compute', function(a, b) {
|
|
return Promise.resolve(a * b);
|
|
});
|
|
|
|
const result = await page.evaluate(async function() {
|
|
return await compute(3, 5);
|
|
});
|
|
expect(result).toBe(15);
|
|
}));
|
|
});
|
|
|
|
describe('Page.setRequestInterceptionEnabled', function() {
|
|
it('should intercept', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => {
|
|
expect(request.url).toContain('empty.html');
|
|
expect(request.headers.has('User-Agent')).toBeTruthy();
|
|
expect(request.method).toBe('GET');
|
|
expect(request.postData).toBe(undefined);
|
|
request.continue();
|
|
});
|
|
const response = await page.goto(EMPTY_PAGE);
|
|
expect(response.ok).toBe(true);
|
|
}));
|
|
it('should show custom HTTP headers', SX(async function() {
|
|
await page.setExtraHTTPHeaders(new Map(Object.entries({
|
|
foo: 'bar'
|
|
})));
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => {
|
|
expect(request.headers.get('foo')).toBe('bar');
|
|
request.continue();
|
|
});
|
|
const response = await page.goto(EMPTY_PAGE);
|
|
expect(response.ok).toBe(true);
|
|
}));
|
|
it('should be abortable', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => {
|
|
if (request.url.endsWith('.css'))
|
|
request.abort();
|
|
else
|
|
request.continue();
|
|
});
|
|
let failedRequests = 0;
|
|
page.on('requestfailed', event => ++failedRequests);
|
|
const response = await page.goto(PREFIX + '/one-style.html');
|
|
expect(response.ok).toBe(true);
|
|
expect(failedRequests).toBe(1);
|
|
}));
|
|
it('should amend HTTP headers', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => {
|
|
const headers = new Map(request.headers);
|
|
headers.set('foo', 'bar');
|
|
request.continue({ headers });
|
|
});
|
|
await page.goto(EMPTY_PAGE);
|
|
const [request] = await Promise.all([
|
|
server.waitForRequest('/sleep.zzz'),
|
|
page.evaluate(() => fetch('/sleep.zzz'))
|
|
]);
|
|
expect(request.headers['foo']).toBe('bar');
|
|
}));
|
|
it('should fail navigation when aborting main resource', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => request.abort());
|
|
let error = null;
|
|
try {
|
|
await page.goto(EMPTY_PAGE);
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain('Failed to navigate');
|
|
}));
|
|
it('should work with redirects', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => request.continue());
|
|
server.setRedirect('/non-existing-page.html', '/non-existing-page-2.html');
|
|
server.setRedirect('/non-existing-page-2.html', '/non-existing-page-3.html');
|
|
server.setRedirect('/non-existing-page-3.html', '/non-existing-page-4.html');
|
|
server.setRedirect('/non-existing-page-4.html', '/empty.html');
|
|
const response = await page.goto(PREFIX + '/non-existing-page.html');
|
|
expect(response.status).toBe(200);
|
|
expect(response.url).toContain('empty.html');
|
|
}));
|
|
it('should be able to abort redirects', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
server.setRedirect('/non-existing.json', '/non-existing-2.json');
|
|
server.setRedirect('/non-existing-2.json', '/simple.html');
|
|
page.on('request', request => {
|
|
if (request.url.includes('non-existing-2'))
|
|
request.abort();
|
|
else
|
|
request.continue();
|
|
});
|
|
await page.goto(EMPTY_PAGE);
|
|
const result = await page.evaluate(async() => {
|
|
try {
|
|
await fetch('/non-existing.json');
|
|
} catch (e) {
|
|
return e.message;
|
|
}
|
|
});
|
|
expect(result).toContain('Failed to fetch');
|
|
}));
|
|
it('should work with equal requests', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
let responseCount = 1;
|
|
server.setRoute('/zzz', (req, res) => res.end((responseCount++) * 11 + ''));
|
|
await page.setRequestInterceptionEnabled(true);
|
|
|
|
let spinner = false;
|
|
// Cancel 2nd request.
|
|
page.on('request', request => {
|
|
spinner ? request.abort() : request.continue();
|
|
spinner = !spinner;
|
|
});
|
|
const results = await page.evaluate(() => Promise.all([
|
|
fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
|
|
fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
|
|
fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
|
|
]));
|
|
expect(results).toEqual(['11', 'FAILED', '22']);
|
|
}));
|
|
it('should navigate to dataURL and fire dataURL requests', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
const requests = [];
|
|
page.on('request', request => {
|
|
requests.push(request);
|
|
request.continue();
|
|
});
|
|
const dataURL = 'data:text/html,<div>yo</div>';
|
|
const response = await page.goto(dataURL);
|
|
expect(response.status).toBe(200);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toBe(dataURL);
|
|
}));
|
|
it('should navigate to URL with hash and and fire requests without hash', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
const requests = [];
|
|
page.on('request', request => {
|
|
requests.push(request);
|
|
request.continue();
|
|
});
|
|
const response = await page.goto(EMPTY_PAGE + '#hash');
|
|
expect(response.status).toBe(200);
|
|
expect(response.url).toBe(EMPTY_PAGE);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toBe(EMPTY_PAGE);
|
|
}));
|
|
});
|
|
|
|
describe('Page.Events.Dialog', function() {
|
|
it('should fire', SX(async function() {
|
|
page.on('dialog', dialog => {
|
|
expect(dialog.type).toBe('alert');
|
|
expect(dialog.defaultValue()).toBe('');
|
|
expect(dialog.message()).toBe('yo');
|
|
dialog.accept();
|
|
});
|
|
await page.evaluate(() => alert('yo'));
|
|
}));
|
|
it('should allow accepting prompts', SX(async function() {
|
|
page.on('dialog', dialog => {
|
|
expect(dialog.type).toBe('prompt');
|
|
expect(dialog.defaultValue()).toBe('yes.');
|
|
expect(dialog.message()).toBe('question?');
|
|
dialog.accept('answer!');
|
|
});
|
|
const result = await page.evaluate(() => prompt('question?', 'yes.'));
|
|
expect(result).toBe('answer!');
|
|
}));
|
|
it('should dismiss the prompt', SX(async function() {
|
|
page.on('dialog', dialog => {
|
|
dialog.dismiss();
|
|
});
|
|
const result = await page.evaluate(() => prompt('question?'));
|
|
expect(result).toBe(null);
|
|
}));
|
|
});
|
|
|
|
describe('Page.Events.PageError', function() {
|
|
it('should fire', SX(async function() {
|
|
let error = null;
|
|
page.once('pageerror', e => error = e);
|
|
page.goto(PREFIX + '/error.html');
|
|
await waitForEvents(page, 'pageerror');
|
|
expect(error.message).toContain('Fancy');
|
|
}));
|
|
});
|
|
|
|
describe('Page.Events.Request', function() {
|
|
it('should fire', SX(async function() {
|
|
const requests = [];
|
|
page.on('request', request => requests.push(request));
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toContain('empty.html');
|
|
}));
|
|
});
|
|
|
|
describe('Frame Management', function() {
|
|
const FrameUtils = require('./frame-utils');
|
|
it('should handle nested frames', SX(async function() {
|
|
await page.goto(PREFIX + '/frames/nested-frames.html');
|
|
expect(FrameUtils.dumpFrames(page.mainFrame())).toBeGolden('nested-frames.txt');
|
|
}));
|
|
it('should send events when frames are manipulated dynamically', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
// validate frameattached events
|
|
const attachedFrames = [];
|
|
page.on('frameattached', frame => attachedFrames.push(frame));
|
|
await FrameUtils.attachFrame(page, 'frame1', './assets/frame.html');
|
|
expect(attachedFrames.length).toBe(1);
|
|
expect(attachedFrames[0].url()).toContain('/assets/frame.html');
|
|
|
|
// validate framenavigated events
|
|
const navigatedFrames = [];
|
|
page.on('framenavigated', frame => navigatedFrames.push(frame));
|
|
await FrameUtils.navigateFrame(page, 'frame1', './empty.html');
|
|
expect(navigatedFrames.length).toBe(1);
|
|
expect(navigatedFrames[0].url()).toContain('/empty.html');
|
|
|
|
// validate framedetached events
|
|
const detachedFrames = [];
|
|
page.on('framedetached', frame => detachedFrames.push(frame));
|
|
await FrameUtils.detachFrame(page, 'frame1');
|
|
expect(detachedFrames.length).toBe(1);
|
|
expect(detachedFrames[0].isDetached()).toBe(true);
|
|
}));
|
|
it('should persist mainFrame on cross-process navigation', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
const mainFrame = page.mainFrame();
|
|
await page.goto('http://127.0.0.1:' + PORT + '/empty.html');
|
|
expect(page.mainFrame() === mainFrame).toBeTruthy();
|
|
}));
|
|
it('should not send attach/detach events for main frame', SX(async function() {
|
|
let hasEvents = false;
|
|
page.on('frameattached', frame => hasEvents = true);
|
|
page.on('framedetached', frame => hasEvents = true);
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(hasEvents).toBe(false);
|
|
}));
|
|
it('should detach child frames on navigation', SX(async function() {
|
|
let attachedFrames = [];
|
|
let detachedFrames = [];
|
|
let navigatedFrames = [];
|
|
page.on('frameattached', frame => attachedFrames.push(frame));
|
|
page.on('framedetached', frame => detachedFrames.push(frame));
|
|
page.on('framenavigated', frame => navigatedFrames.push(frame));
|
|
await page.goto(PREFIX + '/frames/nested-frames.html');
|
|
expect(attachedFrames.length).toBe(4);
|
|
expect(detachedFrames.length).toBe(0);
|
|
expect(navigatedFrames.length).toBe(5);
|
|
|
|
attachedFrames = [];
|
|
detachedFrames = [];
|
|
navigatedFrames = [];
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(attachedFrames.length).toBe(0);
|
|
expect(detachedFrames.length).toBe(4);
|
|
expect(navigatedFrames.length).toBe(1);
|
|
}));
|
|
it('should report frame.name()', SX(async function() {
|
|
await FrameUtils.attachFrame(page, 'theFrameId', EMPTY_PAGE);
|
|
await page.evaluate(url => {
|
|
const frame = document.createElement('iframe');
|
|
frame.name = 'theFrameName';
|
|
frame.src = url;
|
|
document.body.appendChild(frame);
|
|
return new Promise(x => frame.onload = x);
|
|
}, EMPTY_PAGE);
|
|
expect(page.frames()[0].name()).toBe('');
|
|
expect(page.frames()[1].name()).toBe('theFrameId');
|
|
expect(page.frames()[2].name()).toBe('theFrameName');
|
|
}));
|
|
it('should report frame.parent()', SX(async function() {
|
|
await FrameUtils.attachFrame(page, 'frame1', EMPTY_PAGE);
|
|
await FrameUtils.attachFrame(page, 'frame2', EMPTY_PAGE);
|
|
expect(page.frames()[0].parentFrame()).toBe(null);
|
|
expect(page.frames()[1].parentFrame()).toBe(page.mainFrame());
|
|
expect(page.frames()[2].parentFrame()).toBe(page.mainFrame());
|
|
}));
|
|
});
|
|
|
|
describe('Page.$', function() {
|
|
it('should query existing element', SX(async function() {
|
|
await page.setContent('<section>test</section>');
|
|
const element = await page.$('section');
|
|
expect(element).toBeTruthy();
|
|
}));
|
|
it('should return null for non-existing element', SX(async function() {
|
|
const element = await page.$('non-existing-element');
|
|
expect(element).toBe(null);
|
|
}));
|
|
});
|
|
describe('Page.$$', function() {
|
|
it('should query existing elements', SX(async function() {
|
|
await page.setContent('<div>A</div><br/><div>B</div>');
|
|
const elements = await page.$$('div');
|
|
expect(elements.length).toBe(2);
|
|
const promises = elements.map(element => element.evaluate(e => e.textContent));
|
|
expect(await Promise.all(promises)).toEqual(['A', 'B']);
|
|
}));
|
|
it('should return empty array if nothing is found', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
const elements = await page.$$('div');
|
|
expect(elements.length).toBe(0);
|
|
}));
|
|
});
|
|
|
|
describe('ElementHandle.evaluate', function() {
|
|
it('should work', SX(async function() {
|
|
await page.setContent('<section>42</section>');
|
|
const element = await page.$('section');
|
|
const text = await element.evaluate(e => e.textContent);
|
|
expect(text).toBe('42');
|
|
}));
|
|
it('should await promise if any', SX(async function() {
|
|
await page.setContent('<section>39</section>');
|
|
const element = await page.$('section');
|
|
const text = await element.evaluate(e => Promise.resolve(e.textContent));
|
|
expect(text).toBe('39');
|
|
}));
|
|
it('should throw if underlying page got closed', SX(async function() {
|
|
const otherPage = await browser.newPage();
|
|
await otherPage.setContent('<section>88</section>');
|
|
const element = await otherPage.$('section');
|
|
expect(element).toBeTruthy();
|
|
await otherPage.close();
|
|
let error = null;
|
|
try {
|
|
await element.evaluate(e => e.textContent);
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error.message).toContain('Session closed');
|
|
}));
|
|
it('should throw if underlying element was disposed', SX(async function() {
|
|
await page.setContent('<section>39</section>');
|
|
const element = await page.$('section');
|
|
expect(element).toBeTruthy();
|
|
await element.dispose();
|
|
let error = null;
|
|
try {
|
|
await element.evaluate(e => e.textContent);
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error.message).toContain('ElementHandle is disposed');
|
|
}));
|
|
});
|
|
|
|
describe('ElementHandle.click', function() {
|
|
it('should work', SX(async function() {
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
const button = await page.$('button');
|
|
await button.click('button');
|
|
expect(await page.evaluate(() => result)).toBe('Clicked');
|
|
}));
|
|
});
|
|
|
|
describe('ElementHandle.hover', function() {
|
|
it('should work', SX(async function() {
|
|
await page.goto(PREFIX + '/input/scrollable.html');
|
|
const button = await page.$('#button-6');
|
|
await button.hover();
|
|
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
|
|
}));
|
|
});
|
|
|
|
describe('input', function() {
|
|
it('should click the button', SX(async function() {
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
await page.click('button');
|
|
expect(await page.evaluate(() => result)).toBe('Clicked');
|
|
}));
|
|
it('should fail to click a missing button', SX(async function() {
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
try {
|
|
await page.click('button.does-not-exist');
|
|
fail('Clicking the button did not throw.');
|
|
} catch (error) {
|
|
expect(error.message).toBe('No node found for selector: button.does-not-exist');
|
|
}
|
|
}));
|
|
// @see https://github.com/GoogleChrome/puppeteer/issues/161
|
|
it('should not hang with touch-enabled viewports', SX(async function() {
|
|
await page.setViewport(iPhone.viewport);
|
|
await page.mouse.down();
|
|
await page.mouse.move(100, 10);
|
|
await page.mouse.up();
|
|
}));
|
|
it('should type into the textarea', SX(async function() {
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
await page.type('Type in this text!');
|
|
expect(await page.evaluate(() => result)).toBe('Type in this text!');
|
|
}));
|
|
it('should click the button after navigation ', SX(async function() {
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
await page.click('button');
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
await page.click('button');
|
|
expect(await page.evaluate(() => result)).toBe('Clicked');
|
|
}));
|
|
it('should upload the file', SX(async function(){
|
|
await page.goto(PREFIX + '/input/fileupload.html');
|
|
const filePath = path.relative(process.cwd(), __dirname + '/assets/file-to-upload.txt');
|
|
const input = await page.$('input');
|
|
await input.uploadFile(filePath);
|
|
expect(await input.evaluate(e => e.files[0].name)).toBe('file-to-upload.txt');
|
|
expect(await input.evaluate(e => {
|
|
const reader = new FileReader();
|
|
const promise = new Promise(fulfill => reader.onload = fulfill);
|
|
reader.readAsText(e.files[0]);
|
|
return promise.then(() => reader.result);
|
|
})).toBe('contents of the file');
|
|
}));
|
|
it('should move with the arrow keys', SX(async function(){
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
await page.type('Hello World!');
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
|
|
for (let i = 0; i < 'World!'.length; i++)
|
|
page.press('ArrowLeft');
|
|
await page.type('inserted ');
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello inserted World!');
|
|
page.keyboard.down('Shift');
|
|
for (let i = 0; i < 'inserted '.length; i++)
|
|
page.press('ArrowLeft');
|
|
page.keyboard.up('Shift');
|
|
await page.press('Backspace');
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
|
|
}));
|
|
it('should send a character with Page.press', SX(async function() {
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
await page.press('a', {text: 'f'});
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('f');
|
|
|
|
await page.evaluate(() => window.addEventListener('keydown', e => e.preventDefault(), true));
|
|
|
|
await page.press('a', {text: 'y'});
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('f');
|
|
}));
|
|
it('should send a character with sendCharacter', SX(async function() {
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
await page.keyboard.sendCharacter('嗨');
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨');
|
|
await page.evaluate(() => window.addEventListener('keydown', e => e.preventDefault(), true));
|
|
await page.keyboard.sendCharacter('a');
|
|
expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨a');
|
|
}));
|
|
it('should report shiftKey', SX(async function(){
|
|
await page.goto(PREFIX + '/input/keyboard.html');
|
|
const keyboard = page.keyboard;
|
|
const codeForKey = {'Shift': 16, 'Alt': 18, 'Meta': 91, 'Control': 17};
|
|
for (const modifierKey in codeForKey) {
|
|
await keyboard.down(modifierKey);
|
|
expect(await page.evaluate(() => getResult())).toBe('Keydown: ' + modifierKey + ' ' + codeForKey[modifierKey] + ' [' + modifierKey + ']');
|
|
await keyboard.down('!');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keydown: ! 49 [' + modifierKey + ']');
|
|
await keyboard.up('!');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keyup: ! 49 [' + modifierKey + ']');
|
|
await keyboard.up(modifierKey);
|
|
expect(await page.evaluate(() => getResult())).toBe('Keyup: ' + modifierKey + ' ' + codeForKey[modifierKey] + ' []');
|
|
}
|
|
}));
|
|
it('should report multiple modifiers', SX(async function(){
|
|
await page.goto(PREFIX + '/input/keyboard.html');
|
|
const keyboard = page.keyboard;
|
|
await keyboard.down('Control');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keydown: Control 17 [Control]');
|
|
await keyboard.down('Meta');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keydown: Meta 91 [Control Meta]');
|
|
await keyboard.down(';');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keydown: ; 186 [Control Meta]');
|
|
await keyboard.up(';');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keyup: ; 186 [Control Meta]');
|
|
await keyboard.up('Control');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keyup: Control 17 [Meta]');
|
|
await keyboard.up('Meta');
|
|
expect(await page.evaluate(() => getResult())).toBe('Keyup: Meta 91 []');
|
|
}));
|
|
it('should send proper codes while typing', SX(async function(){
|
|
await page.goto(PREFIX + '/input/keyboard.html');
|
|
await page.type('!');
|
|
expect(await page.evaluate(() => getResult())).toBe(
|
|
[ 'Keydown: ! 49 []',
|
|
'Keypress: ! 33 33 33 []',
|
|
'Keyup: ! 49 []'].join('\n'));
|
|
await page.type('^');
|
|
expect(await page.evaluate(() => getResult())).toBe(
|
|
[ 'Keydown: ^ 54 []',
|
|
'Keypress: ^ 94 94 94 []',
|
|
'Keyup: ^ 54 []'].join('\n'));
|
|
}));
|
|
it('should send propery codes while typing with shift', SX(async function(){
|
|
await page.goto(PREFIX + '/input/keyboard.html');
|
|
const keyboard = page.keyboard;
|
|
await keyboard.down('Shift');
|
|
await page.type('~');
|
|
expect(await page.evaluate(() => getResult())).toBe(
|
|
[ 'Keydown: Shift 16 [Shift]',
|
|
'Keydown: ~ 192 [Shift]', // 192 is ` keyCode
|
|
'Keypress: ~ 126 126 126 [Shift]', // 126 is ~ charCode
|
|
'Keyup: ~ 192 [Shift]'].join('\n'));
|
|
await keyboard.up('Shift');
|
|
}));
|
|
it('should not type canceled events', SX(async function(){
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
await page.evaluate(() => {
|
|
window.addEventListener('keydown', event => {
|
|
event.stopPropagation();
|
|
event.stopImmediatePropagation();
|
|
if (event.key === 'l')
|
|
event.preventDefault();
|
|
if (event.key === 'o')
|
|
Promise.resolve().then(() => event.preventDefault());
|
|
}, false);
|
|
});
|
|
await page.type('Hello World!');
|
|
expect(await page.evaluate(() => textarea.value)).toBe('He Wrd!');
|
|
}));
|
|
it('keyboard.modifiers()', SX(async function(){
|
|
const keyboard = page.keyboard;
|
|
expect(keyboard._modifiers).toBe(0);
|
|
await keyboard.down('Shift');
|
|
expect(keyboard._modifiers).toBe(8);
|
|
await keyboard.down('Alt');
|
|
expect(keyboard._modifiers).toBe(9);
|
|
await keyboard.up('Shift');
|
|
await keyboard.up('Alt');
|
|
expect(keyboard._modifiers).toBe(0);
|
|
}));
|
|
it('should resize the textarea', SX(async function(){
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
const {x, y, width, height} = await page.evaluate(dimensions);
|
|
const mouse = page.mouse;
|
|
await mouse.move(x + width - 4, y + height - 4);
|
|
await mouse.down();
|
|
await mouse.move(x + width + 100, y + height + 100);
|
|
await mouse.up();
|
|
const newDimensions = await page.evaluate(dimensions);
|
|
expect(newDimensions.width).toBe(width + 104);
|
|
expect(newDimensions.height).toBe(height + 104);
|
|
}));
|
|
it('should scroll and click the button', SX(async function(){
|
|
await page.goto(PREFIX + '/input/scrollable.html');
|
|
await page.click('#button-5');
|
|
expect(await page.evaluate(() => document.querySelector('#button-5').textContent)).toBe('clicked');
|
|
await page.click('#button-80');
|
|
expect(await page.evaluate(() => document.querySelector('#button-80').textContent)).toBe('clicked');
|
|
}));
|
|
it('should click a partially obscured button', SX(async function() {
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
await page.evaluate(() => {
|
|
const button = document.querySelector('button');
|
|
button.textContent = 'Some really long text that will go offscreen';
|
|
button.style.position = 'absolute';
|
|
button.style.left = '368px';
|
|
});
|
|
await page.click('button');
|
|
expect(await page.evaluate(() => window.result)).toBe('Clicked');
|
|
}));
|
|
it('should select the text with mouse', SX(async function(){
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
const text = 'This is the text that we are going to try to select. Let\'s see how it goes.';
|
|
await page.type(text);
|
|
await page.evaluate(() => document.querySelector('textarea').scrollTop = 0);
|
|
const {x, y} = await page.evaluate(dimensions);
|
|
await page.mouse.move(x + 2,y + 2);
|
|
await page.mouse.down();
|
|
await page.mouse.move(100,100);
|
|
await page.mouse.up();
|
|
expect(await page.evaluate(() => window.getSelection().toString())).toBe(text);
|
|
}));
|
|
it('should select the text by triple clicking', SX(async function(){
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
const text = 'This is the text that we are going to try to select. Let\'s see how it goes.';
|
|
await page.type(text);
|
|
await page.click('textarea');
|
|
await page.click('textarea', {clickCount: 2});
|
|
await page.click('textarea', {clickCount: 3});
|
|
expect(await page.evaluate(() => window.getSelection().toString())).toBe(text);
|
|
}));
|
|
it('should trigger hover state', SX(async function(){
|
|
await page.goto(PREFIX + '/input/scrollable.html');
|
|
await page.hover('#button-6');
|
|
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
|
|
await page.hover('#button-2');
|
|
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-2');
|
|
await page.hover('#button-91');
|
|
expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-91');
|
|
}));
|
|
it('should fire contextmenu event on right click', SX(async function(){
|
|
await page.goto(PREFIX + '/input/scrollable.html');
|
|
await page.click('#button-8', {button: 'right'});
|
|
expect(await page.evaluate(() => document.querySelector('#button-8').textContent)).toBe('context menu');
|
|
}));
|
|
it('should set modifier keys on click', SX(async function(){
|
|
await page.goto(PREFIX + '/input/scrollable.html');
|
|
await page.evaluate(() => document.querySelector('#button-3').addEventListener('mousedown', e => window.lastEvent = e, true));
|
|
const modifiers = {'Shift': 'shiftKey', 'Control': 'ctrlKey', 'Alt': 'altKey', 'Meta': 'metaKey'};
|
|
for (const modifier in modifiers) {
|
|
await page.keyboard.down(modifier);
|
|
await page.click('#button-3');
|
|
if (!(await page.evaluate(mod => window.lastEvent[mod], modifiers[modifier])))
|
|
fail(modifiers[modifier] + ' should be true');
|
|
await page.keyboard.up(modifier);
|
|
}
|
|
await page.click('#button-3');
|
|
for (const modifier in modifiers) {
|
|
if ((await page.evaluate(mod => window.lastEvent[mod], modifiers[modifier])))
|
|
fail(modifiers[modifier] + ' should be false');
|
|
}
|
|
}));
|
|
it('should specify repeat property', SX(async function(){
|
|
await page.goto(PREFIX + '/input/textarea.html');
|
|
await page.focus('textarea');
|
|
await page.evaluate(() => document.querySelector('textarea').addEventListener('keydown', e => window.lastEvent = e, true));
|
|
await page.keyboard.down('a', {text: 'a'});
|
|
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(false);
|
|
await page.press('a');
|
|
expect(await page.evaluate(() => window.lastEvent.repeat)).toBe(true);
|
|
}));
|
|
// @see https://github.com/GoogleChrome/puppeteer/issues/206
|
|
it('should click links which cause navigation', SX(async function() {
|
|
await page.setContent(`<a href="${EMPTY_PAGE}">empty.html</a>`);
|
|
// This await should not hang.
|
|
await page.click('a');
|
|
}));
|
|
function dimensions() {
|
|
const rect = document.querySelector('textarea').getBoundingClientRect();
|
|
return {
|
|
x: rect.left,
|
|
y: rect.top,
|
|
width: rect.width,
|
|
height: rect.height
|
|
};
|
|
}
|
|
});
|
|
|
|
describe('Page.setUserAgent', function() {
|
|
it('should work', SX(async function() {
|
|
expect(await page.evaluate(() => navigator.userAgent)).toContain('Mozilla');
|
|
page.setUserAgent('foobar');
|
|
page.goto(EMPTY_PAGE);
|
|
const request = await server.waitForRequest('/empty.html');
|
|
expect(request.headers['user-agent']).toBe('foobar');
|
|
}));
|
|
it('should emulate device user-agent', SX(async function() {
|
|
await page.goto(PREFIX + '/mobile.html');
|
|
expect(await page.evaluate(() => navigator.userAgent)).toContain('Chrome');
|
|
await page.setUserAgent(iPhone.userAgent);
|
|
expect(await page.evaluate(() => navigator.userAgent)).toContain('Safari');
|
|
}));
|
|
});
|
|
describe('Page.setExtraHTTPHeaders', function() {
|
|
it('should work', SX(async function() {
|
|
await page.setExtraHTTPHeaders(new Map(Object.entries({
|
|
foo: 'bar'
|
|
})));
|
|
page.goto(EMPTY_PAGE);
|
|
const request = await server.waitForRequest('/empty.html');
|
|
expect(request.headers['foo']).toBe('bar');
|
|
}));
|
|
});
|
|
describe('Page.setContent', function() {
|
|
const expectedOutput = '<html><head></head><body><div>hello</div></body></html>';
|
|
it('should work', SX(async function() {
|
|
await page.setContent('<div>hello</div>');
|
|
const result = await page.content();
|
|
expect(result).toBe(expectedOutput);
|
|
}));
|
|
it('should work with doctype', SX(async function() {
|
|
const doctype = '<!DOCTYPE html>';
|
|
await page.setContent(`${doctype}<div>hello</div>`);
|
|
const result = await page.content();
|
|
expect(result).toBe(`${doctype}${expectedOutput}`);
|
|
}));
|
|
it('should work with HTML 4 doctype', SX(async function() {
|
|
const doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" ' +
|
|
'"http://www.w3.org/TR/html4/strict.dtd">';
|
|
await page.setContent(`${doctype}<div>hello</div>`);
|
|
const result = await page.content();
|
|
expect(result).toBe(`${doctype}${expectedOutput}`);
|
|
}));
|
|
});
|
|
describe('Network Events', function() {
|
|
it('Page.Events.Request', SX(async function() {
|
|
const requests = [];
|
|
page.on('request', request => requests.push(request));
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toBe(EMPTY_PAGE);
|
|
expect(requests[0].method).toBe('GET');
|
|
expect(requests[0].response()).toBeTruthy();
|
|
}));
|
|
it('Page.Events.Request should report post data', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
server.setRoute('/post', (req, res) => res.end());
|
|
let request = null;
|
|
page.on('request', r => request = r);
|
|
await page.evaluate(() => fetch('./post', { method: 'POST', body: JSON.stringify({foo: 'bar'})}));
|
|
expect(request).toBeTruthy();
|
|
expect(request.postData).toBe('{"foo":"bar"}');
|
|
}));
|
|
it('Page.Events.Response', SX(async function() {
|
|
const responses = [];
|
|
page.on('response', response => responses.push(response));
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(responses.length).toBe(1);
|
|
expect(responses[0].url).toBe(EMPTY_PAGE);
|
|
expect(responses[0].status).toBe(200);
|
|
expect(responses[0].ok).toBe(true);
|
|
expect(responses[0].request()).toBeTruthy();
|
|
}));
|
|
it('Page.Events.Response should provide body', SX(async function() {
|
|
let response = null;
|
|
page.on('response', r => response = r);
|
|
await page.goto(PREFIX + '/simple.json');
|
|
expect(response).toBeTruthy();
|
|
expect(await response.text()).toBe('{"foo": "bar"}\n');
|
|
expect(await response.json()).toEqual({foo: 'bar'});
|
|
}));
|
|
it('Page.Events.Response should not report body unless request is finished', SX(async() => {
|
|
await page.goto(EMPTY_PAGE);
|
|
// Setup server to trap request.
|
|
let serverResponse = null;
|
|
server.setRoute('/get', (req, res) => {
|
|
serverResponse = res;
|
|
res.write('hello ');
|
|
});
|
|
// Setup page to trap response.
|
|
let pageResponse = null;
|
|
let requestFinished = false;
|
|
page.on('response', r => pageResponse = r);
|
|
page.on('requestfinished', () => requestFinished = true);
|
|
// send request and wait for server response
|
|
await Promise.all([
|
|
page.evaluate(() => fetch('./get', { method: 'GET'})),
|
|
waitForEvents(page, 'response')
|
|
]);
|
|
|
|
expect(serverResponse).toBeTruthy();
|
|
expect(pageResponse).toBeTruthy();
|
|
expect(pageResponse.status).toBe(200);
|
|
expect(requestFinished).toBe(false);
|
|
|
|
const responseText = pageResponse.text();
|
|
// Write part of the response and wait for it to be flushed.
|
|
await new Promise(x => serverResponse.write('wor', x));
|
|
// Finish response.
|
|
await new Promise(x => serverResponse.end('ld!', x));
|
|
expect(await responseText).toBe('hello world!');
|
|
}));
|
|
it('Page.Events.RequestFailed', SX(async function() {
|
|
await page.setRequestInterceptionEnabled(true);
|
|
page.on('request', request => {
|
|
if (request.url.endsWith('css'))
|
|
request.abort();
|
|
else
|
|
request.continue();
|
|
});
|
|
const failedRequests = [];
|
|
page.on('requestfailed', request => failedRequests.push(request));
|
|
await page.goto(PREFIX + '/one-style.html');
|
|
expect(failedRequests.length).toBe(1);
|
|
expect(failedRequests[0].url).toContain('one-style.css');
|
|
expect(failedRequests[0].response()).toBe(null);
|
|
}));
|
|
it('Page.Events.RequestFinished', SX(async function() {
|
|
const requests = [];
|
|
page.on('requestfinished', request => requests.push(request));
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(requests.length).toBe(1);
|
|
expect(requests[0].url).toBe(EMPTY_PAGE);
|
|
expect(requests[0].response()).toBeTruthy();
|
|
}));
|
|
it('should fire events in proper order', SX(async function() {
|
|
const events = [];
|
|
page.on('request', request => events.push('request'));
|
|
page.on('response', response => events.push('response'));
|
|
page.on('requestfinished', request => events.push('requestfinished'));
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(events).toEqual(['request', 'response', 'requestfinished']);
|
|
}));
|
|
it('should support redirects', SX(async function() {
|
|
const events = [];
|
|
page.on('request', request => events.push(`${request.method} ${request.url}`));
|
|
page.on('response', response => events.push(`${response.status} ${response.url}`));
|
|
page.on('requestfinished', request => events.push(`DONE ${request.url}`));
|
|
page.on('requestfailed', request => events.push(`FAIL ${request.url}`));
|
|
server.setRedirect('/foo.html', '/empty.html');
|
|
const FOO_URL = PREFIX + '/foo.html';
|
|
await page.goto(FOO_URL);
|
|
expect(events).toEqual([
|
|
`GET ${FOO_URL}`,
|
|
`302 ${FOO_URL}`,
|
|
`DONE ${FOO_URL}`,
|
|
`GET ${EMPTY_PAGE}`,
|
|
`200 ${EMPTY_PAGE}`,
|
|
`DONE ${EMPTY_PAGE}`
|
|
]);
|
|
}));
|
|
});
|
|
|
|
describe('Page.addScriptTag', function() {
|
|
it('should work', SX(async function() {
|
|
await page.goto(EMPTY_PAGE);
|
|
await page.addScriptTag('/injectedfile.js');
|
|
expect(await page.evaluate(() => __injected)).toBe(42);
|
|
}));
|
|
});
|
|
|
|
describe('Page.url', function() {
|
|
it('should work', SX(async function() {
|
|
expect(page.url()).toBe('about:blank');
|
|
await page.goto(EMPTY_PAGE);
|
|
expect(page.url()).toBe(EMPTY_PAGE);
|
|
}));
|
|
});
|
|
|
|
describe('Page.viewport', function() {
|
|
it('should get the proper viewport size', SX(async function() {
|
|
expect(page.viewport()).toEqual({width: 800, height: 600});
|
|
await page.setViewport({width: 123, height: 456});
|
|
expect(page.viewport()).toEqual({width: 123, height: 456});
|
|
}));
|
|
it('should support mobile emulation', SX(async function() {
|
|
await page.goto(PREFIX + '/mobile.html');
|
|
expect(await page.evaluate(() => window.innerWidth)).toBe(800);
|
|
await page.setViewport(iPhone.viewport);
|
|
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
|
|
await page.setViewport({width: 400, height: 300});
|
|
expect(await page.evaluate(() => window.innerWidth)).toBe(400);
|
|
}));
|
|
it('should support touch emulation', SX(async function() {
|
|
await page.goto(PREFIX + '/mobile.html');
|
|
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
|
|
await page.setViewport(iPhone.viewport);
|
|
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(true);
|
|
expect(await page.evaluate(dispatchTouch)).toBe('Recieved touch');
|
|
await page.setViewport({width: 100, height: 100});
|
|
expect(await page.evaluate(() => 'ontouchstart' in window)).toBe(false);
|
|
|
|
function dispatchTouch() {
|
|
let fulfill;
|
|
const promise = new Promise(x => fulfill = x);
|
|
window.ontouchstart = function(e) {
|
|
fulfill('Recieved touch');
|
|
};
|
|
window.dispatchEvent(new Event('touchstart'));
|
|
|
|
fulfill('Did not recieve touch');
|
|
|
|
return promise;
|
|
}
|
|
}));
|
|
it('should be detectable by Modernizr', SX(async function(){
|
|
await page.goto(PREFIX + '/detect-touch.html');
|
|
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('NO');
|
|
await page.setViewport(iPhone.viewport);
|
|
await page.goto(PREFIX + '/detect-touch.html');
|
|
expect(await page.evaluate(() => document.body.textContent.trim())).toBe('YES');
|
|
}));
|
|
it('should support landscape emulation', SX(async function() {
|
|
await page.goto(PREFIX + '/mobile.html');
|
|
expect(await page.evaluate(() => screen.orientation.type)).toBe('portrait-primary');
|
|
await page.setViewport(iPhoneLandscape.viewport);
|
|
expect(await page.evaluate(() => screen.orientation.type)).toBe('landscape-primary');
|
|
await page.setViewport({width: 100, height: 100});
|
|
expect(await page.evaluate(() => screen.orientation.type)).toBe('portrait-primary');
|
|
}));
|
|
});
|
|
|
|
describe('Page.emulate', function() {
|
|
it('should work', SX(async function() {
|
|
await page.goto(PREFIX + '/mobile.html');
|
|
await page.emulate(iPhone);
|
|
expect(await page.evaluate(() => window.innerWidth)).toBe(375);
|
|
expect(await page.evaluate(() => navigator.userAgent)).toContain('Safari');
|
|
}));
|
|
});
|
|
|
|
describe('Page.emulateMedia', function() {
|
|
it('should work', SX(async function() {
|
|
expect(await page.evaluate(() => window.matchMedia('screen').matches)).toBe(true);
|
|
expect(await page.evaluate(() => window.matchMedia('print').matches)).toBe(false);
|
|
await page.emulateMedia('print');
|
|
expect(await page.evaluate(() => window.matchMedia('screen').matches)).toBe(false);
|
|
expect(await page.evaluate(() => window.matchMedia('print').matches)).toBe(true);
|
|
await page.emulateMedia(null);
|
|
expect(await page.evaluate(() => window.matchMedia('screen').matches)).toBe(true);
|
|
expect(await page.evaluate(() => window.matchMedia('print').matches)).toBe(false);
|
|
}));
|
|
it('should throw in case of bad argument', SX(async function() {
|
|
let error = null;
|
|
await page.emulateMedia('bad').catch(e => error = e);
|
|
expect(error.message).toBe('Unsupported media type: bad');
|
|
}));
|
|
});
|
|
|
|
describe('Page.setJavaScriptEnabled', function() {
|
|
it('should work', SX(async function() {
|
|
await page.setJavaScriptEnabled(false);
|
|
await page.goto('data:text/html, <script>var something = "forbidden"</script>');
|
|
let error = null;
|
|
try {
|
|
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, <script>var something = "forbidden"</script>');
|
|
expect(await page.evaluate('something')).toBe('forbidden');
|
|
}));
|
|
});
|
|
|
|
describe('Page.evaluateOnNewDocument', function() {
|
|
it('should evaluate before anything else on the page', SX(async function() {
|
|
await page.evaluateOnNewDocument(function(){
|
|
window.injected = 123;
|
|
});
|
|
await page.goto(PREFIX + '/tamperable.html');
|
|
expect(await page.evaluate(() => window.result)).toBe(123);
|
|
}));
|
|
});
|
|
|
|
// Printing to pdf is currently only supported in headless
|
|
(headless ? describe : xdescribe)('Page.pdf', function() {
|
|
it('should be able to save file', SX(async function() {
|
|
const outputFile = __dirname + '/assets/output.pdf';
|
|
await page.pdf({path: outputFile});
|
|
expect(fs.readFileSync(outputFile).byteLength).toBeGreaterThan(0);
|
|
fs.unlinkSync(outputFile);
|
|
}));
|
|
it('should default to printing in Letter format', SX(async function() {
|
|
const pages = await getPDFPages(await page.pdf());
|
|
expect(pages.length).toBe(1);
|
|
expect(pages[0].width).toBeCloseTo(8.5, 2);
|
|
expect(pages[0].height).toBeCloseTo(11, 2);
|
|
}));
|
|
it('should support setting custom format', SX(async function() {
|
|
const pages = await getPDFPages(await page.pdf({
|
|
format: 'a4'
|
|
}));
|
|
expect(pages.length).toBe(1);
|
|
expect(pages[0].width).toBeCloseTo(8.27, 1);
|
|
expect(pages[0].height).toBeCloseTo(11.7, 1);
|
|
}));
|
|
it('should support setting paper width and height', SX(async function() {
|
|
const pages = await getPDFPages(await page.pdf({
|
|
width: '10in',
|
|
height: '10in',
|
|
}));
|
|
expect(pages.length).toBe(1);
|
|
expect(pages[0].width).toBeCloseTo(10, 2);
|
|
expect(pages[0].height).toBeCloseTo(10, 2);
|
|
}));
|
|
it('should print multiple pages', SX(async function() {
|
|
await page.goto(PREFIX + '/grid.html');
|
|
// Define width and height in CSS pixels.
|
|
const width = 50 * 5 + 1;
|
|
const height = 50 * 5 + 1;
|
|
const pages = await getPDFPages(await page.pdf({width, height}));
|
|
expect(pages.length).toBe(8);
|
|
expect(pages[0].width).toBeCloseTo(cssPixelsToInches(width), 2);
|
|
expect(pages[0].height).toBeCloseTo(cssPixelsToInches(height), 2);
|
|
}));
|
|
it('should support page ranges', SX(async function() {
|
|
await page.goto(PREFIX + '/grid.html');
|
|
// Define width and height in CSS pixels.
|
|
const width = 50 * 5 + 1;
|
|
const height = 50 * 5 + 1;
|
|
const pages = await getPDFPages(await page.pdf({width, height, pageRanges: '1,4-7'}));
|
|
expect(pages.length).toBe(5);
|
|
}));
|
|
it('should throw if format is unknown', SX(async function() {
|
|
let error = null;
|
|
try {
|
|
await getPDFPages(await page.pdf({
|
|
format: 'something'
|
|
}));
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain('Unknown paper format');
|
|
}));
|
|
it('should throw if units are unknown', SX(async function() {
|
|
let error = null;
|
|
try {
|
|
await getPDFPages(await page.pdf({
|
|
width: '10em',
|
|
height: '10em',
|
|
}));
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain('Failed to parse parameter value');
|
|
}));
|
|
});
|
|
|
|
describe('Page.plainText', function() {
|
|
it('should return the page text', SX(async function(){
|
|
await page.setContent('<div>the result text</div>');
|
|
expect(await page.plainText()).toBe('the result text');
|
|
}));
|
|
});
|
|
|
|
describe('Page.title', function() {
|
|
it('should return the page title', SX(async function(){
|
|
await page.goto(PREFIX + '/input/button.html');
|
|
expect(await page.title()).toBe('Button test');
|
|
}));
|
|
});
|
|
|
|
describe('Page.screenshot', function() {
|
|
it('should work', SX(async function() {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-sanity.png');
|
|
}));
|
|
it('should clip rect', SX(async function() {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
clip: {
|
|
x: 50,
|
|
y: 100,
|
|
width: 150,
|
|
height: 100
|
|
}
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-clip-rect.png');
|
|
}));
|
|
it('should work for offscreen clip', SX(async function() {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
clip: {
|
|
x: 50,
|
|
y: 600,
|
|
width: 100,
|
|
height: 100
|
|
}
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-offscreen-clip.png');
|
|
}));
|
|
it('should run in parallel', SX(async function() {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(PREFIX + '/grid.html');
|
|
const promises = [];
|
|
for (let i = 0; i < 3; ++i) {
|
|
promises.push(page.screenshot({
|
|
clip: {
|
|
x: 50 * i,
|
|
y: 0,
|
|
width: 50,
|
|
height: 50
|
|
}
|
|
}));
|
|
}
|
|
const screenshots = await Promise.all(promises);
|
|
expect(screenshots[1]).toBeGolden('grid-cell-1.png');
|
|
}));
|
|
it('should take fullPage screenshots', SX(async function() {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
fullPage: true
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-grid-fullpage.png');
|
|
}));
|
|
it('should run in parallel in multiple pages', SX(async function() {
|
|
const N = 2;
|
|
const pages = await Promise.all(Array(N).fill(0).map(async() => {
|
|
const page = await browser.newPage();
|
|
await page.goto(PREFIX + '/grid.html');
|
|
return page;
|
|
}));
|
|
const promises = [];
|
|
for (let i = 0; i < N; ++i)
|
|
promises.push(pages[i].screenshot({ clip: { x: 50 * i, y: 0, width: 50, height: 50 } }));
|
|
const screenshots = await Promise.all(promises);
|
|
for (let i = 0; i < N; ++i)
|
|
expect(screenshots[i]).toBeGolden(`grid-cell-${i}.png`);
|
|
await Promise.all(pages.map(page => page.close()));
|
|
}));
|
|
it('should allow transparency', SX(async function() {
|
|
await page.setViewport({ width: 100, height: 100 });
|
|
await page.goto(EMPTY_PAGE);
|
|
const screenshot = await page.screenshot({omitBackground: true});
|
|
expect(screenshot).toBeGolden('transparent.png');
|
|
}));
|
|
});
|
|
|
|
describe('Tracing', function() {
|
|
const outputFile = path.join(__dirname, 'assets', 'trace.json');
|
|
afterEach(function() {
|
|
fs.unlinkSync(outputFile);
|
|
});
|
|
it('should output a trace', SX(async function() {
|
|
await page.tracing.start({screenshots: true, path: outputFile});
|
|
await page.goto(PREFIX + '/grid.html');
|
|
await page.tracing.stop();
|
|
expect(fs.existsSync(outputFile)).toBe(true);
|
|
}));
|
|
it('should throw if tracing on two pages', SX(async function() {
|
|
await page.tracing.start({path: outputFile});
|
|
const newPage = await browser.newPage();
|
|
let error = null;
|
|
try {
|
|
await newPage.tracing.start({path: outputFile});
|
|
} catch (e) {
|
|
error = e;
|
|
}
|
|
await newPage.close();
|
|
expect(error).toBeTruthy();
|
|
await page.tracing.stop();
|
|
}));
|
|
});
|
|
});
|
|
|
|
if (process.env.COVERAGE) {
|
|
describe('COVERAGE', function(){
|
|
const coverage = helper.publicAPICoverage();
|
|
const disabled = new Set();
|
|
if (!headless)
|
|
disabled.add('page.pdf');
|
|
|
|
for (const method of coverage.keys()) {
|
|
(disabled.has(method) ? xit : it)(`public api '${method}' should be called`, SX(async function(){
|
|
expect(coverage.get(method)).toBe(true);
|
|
}));
|
|
}
|
|
});
|
|
}
|
|
/**
|
|
* @param {!EventEmitter} emitter
|
|
* @param {string} eventName
|
|
* @param {number=} eventCount
|
|
* @return {!Promise}
|
|
*/
|
|
function waitForEvents(emitter, eventName, eventCount = 1) {
|
|
let fulfill;
|
|
const promise = new Promise(x => fulfill = x);
|
|
emitter.on(eventName, onEvent);
|
|
return promise;
|
|
|
|
function onEvent() {
|
|
--eventCount;
|
|
if (eventCount)
|
|
return;
|
|
emitter.removeListener(eventName, onEvent);
|
|
fulfill();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {!Buffer} pdfBuffer
|
|
* @return {!Promise<!Array<!Object>>}
|
|
*/
|
|
async function getPDFPages(pdfBuffer) {
|
|
const PDFJS = require('pdfjs-dist');
|
|
PDFJS.disableWorker = true;
|
|
const data = new Uint8Array(pdfBuffer);
|
|
const doc = await PDFJS.getDocument(data);
|
|
const pages = [];
|
|
for (let i = 0; i < doc.numPages; ++i) {
|
|
const page = await doc.getPage(i + 1);
|
|
const viewport = page.getViewport(1);
|
|
// Viewport width and height is in PDF points, which is
|
|
// 1/72 of an inch.
|
|
pages.push({
|
|
width: viewport.width / 72,
|
|
height: viewport.height / 72,
|
|
});
|
|
page.cleanup();
|
|
}
|
|
doc.cleanup();
|
|
return pages;
|
|
}
|
|
|
|
/**
|
|
* @param {number} px
|
|
* @return {number}
|
|
*/
|
|
function cssPixelsToInches(px) {
|
|
return px / 96;
|
|
}
|
|
|
|
// Since Jasmine doesn't like async functions, they should be wrapped
|
|
// in a SX function.
|
|
function SX(fun) {
|
|
return done => Promise.resolve(fun()).then(done).catch(done.fail);
|
|
}
|