puppeteer/test/target.spec.js
2020-02-20 13:57:15 +01:00

183 lines
9.0 KiB
JavaScript

/**
* Copyright 2018 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const utils = require('./utils');
const {waitEvent} = utils;
module.exports.addTests = function({testRunner, expect, puppeteer}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit, it_fails_ffox} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Target', function() {
it('Browser.targets should return all of the targets', async({page, server, browser}) => {
// The pages will be the testing page and the original newtab page
const targets = browser.targets();
expect(targets.some(target => target.type() === 'page' &&
target.url() === 'about:blank')).toBeTruthy('Missing blank page');
expect(targets.some(target => target.type() === 'browser')).toBeTruthy('Missing browser target');
});
it('Browser.pages should return all of the pages', async({page, server, context}) => {
// The pages will be the testing page
const allPages = await context.pages();
expect(allPages.length).toBe(1);
expect(allPages).toContain(page);
expect(allPages[0]).not.toBe(allPages[1]);
});
it('should contain browser target', async({browser}) => {
const targets = browser.targets();
const browserTarget = targets.find(target => target.type() === 'browser');
expect(browserTarget).toBeTruthy();
});
it('should be able to use the default page in the browser', async({page, server, browser}) => {
// The pages will be the testing page and the original newtab page
const allPages = await browser.pages();
const originalPage = allPages.find(p => p !== page);
expect(await originalPage.evaluate(() => ['Hello', 'world'].join(' '))).toBe('Hello world');
expect(await originalPage.$('body')).toBeTruthy();
});
it_fails_ffox('should report when a new page is created and closed', async({page, server, context}) => {
const [otherPage] = await Promise.all([
context.waitForTarget(target => target.url() === server.CROSS_PROCESS_PREFIX + '/empty.html').then(target => target.page()),
page.evaluate(url => window.open(url), server.CROSS_PROCESS_PREFIX + '/empty.html'),
]);
expect(otherPage.url()).toContain(server.CROSS_PROCESS_PREFIX);
expect(await otherPage.evaluate(() => ['Hello', 'world'].join(' '))).toBe('Hello world');
expect(await otherPage.$('body')).toBeTruthy();
let allPages = await context.pages();
expect(allPages).toContain(page);
expect(allPages).toContain(otherPage);
const closePagePromise = new Promise(fulfill => context.once('targetdestroyed', target => fulfill(target.page())));
await otherPage.close();
expect(await closePagePromise).toBe(otherPage);
allPages = await Promise.all(context.targets().map(target => target.page()));
expect(allPages).toContain(page);
expect(allPages).not.toContain(otherPage);
});
it_fails_ffox('should report when a service worker is created and destroyed', async({page, server, context}) => {
await page.goto(server.EMPTY_PAGE);
const createdTarget = new Promise(fulfill => context.once('targetcreated', target => fulfill(target)));
await page.goto(server.PREFIX + '/serviceworkers/empty/sw.html');
expect((await createdTarget).type()).toBe('service_worker');
expect((await createdTarget).url()).toBe(server.PREFIX + '/serviceworkers/empty/sw.js');
const destroyedTarget = new Promise(fulfill => context.once('targetdestroyed', target => fulfill(target)));
await page.evaluate(() => window.registrationPromise.then(registration => registration.unregister()));
expect(await destroyedTarget).toBe(await createdTarget);
});
it_fails_ffox('should create a worker from a service worker', async({page, server, context}) => {
await page.goto(server.PREFIX + '/serviceworkers/empty/sw.html');
const target = await context.waitForTarget(target => target.type() === 'service_worker');
const worker = await target.worker();
expect(await worker.evaluate(() => self.toString())).toBe('[object ServiceWorkerGlobalScope]');
});
it_fails_ffox('should create a worker from a shared worker', async({page, server, context}) => {
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => {
new SharedWorker('data:text/javascript,console.log("hi")');
});
const target = await context.waitForTarget(target => target.type() === 'shared_worker');
const worker = await target.worker();
expect(await worker.evaluate(() => self.toString())).toBe('[object SharedWorkerGlobalScope]');
});
it_fails_ffox('should report when a target url changes', async({page, server, context}) => {
await page.goto(server.EMPTY_PAGE);
let changedTarget = new Promise(fulfill => context.once('targetchanged', target => fulfill(target)));
await page.goto(server.CROSS_PROCESS_PREFIX + '/');
expect((await changedTarget).url()).toBe(server.CROSS_PROCESS_PREFIX + '/');
changedTarget = new Promise(fulfill => context.once('targetchanged', target => fulfill(target)));
await page.goto(server.EMPTY_PAGE);
expect((await changedTarget).url()).toBe(server.EMPTY_PAGE);
});
it_fails_ffox('should not report uninitialized pages', async({page, server, context}) => {
let targetChanged = false;
const listener = () => targetChanged = true;
context.on('targetchanged', listener);
const targetPromise = new Promise(fulfill => context.once('targetcreated', target => fulfill(target)));
const newPagePromise = context.newPage();
const target = await targetPromise;
expect(target.url()).toBe('about:blank');
const newPage = await newPagePromise;
const targetPromise2 = new Promise(fulfill => context.once('targetcreated', target => fulfill(target)));
const evaluatePromise = newPage.evaluate(() => window.open('about:blank'));
const target2 = await targetPromise2;
expect(target2.url()).toBe('about:blank');
await evaluatePromise;
await newPage.close();
expect(targetChanged).toBe(false, 'target should not be reported as changed');
context.removeListener('targetchanged', listener);
});
it_fails_ffox('should not crash while redirecting if original request was missed', async({page, server, context}) => {
let serverResponse = null;
server.setRoute('/one-style.css', (req, res) => serverResponse = res);
// Open a new page. Use window.open to connect to the page later.
await Promise.all([
page.evaluate(url => window.open(url), server.PREFIX + '/one-style.html'),
server.waitForRequest('/one-style.css')
]);
// Connect to the opened page.
const target = await context.waitForTarget(target => target.url().includes('one-style.html'));
const newPage = await target.page();
// Issue a redirect.
serverResponse.writeHead(302, { location: '/injectedstyle.css' });
serverResponse.end();
// Wait for the new page to load.
await waitEvent(newPage, 'load');
// Cleanup.
await newPage.close();
});
it_fails_ffox('should have an opener', async({page, server, context}) => {
await page.goto(server.EMPTY_PAGE);
const [createdTarget] = await Promise.all([
new Promise(fulfill => context.once('targetcreated', target => fulfill(target))),
page.goto(server.PREFIX + '/popup/window-open.html')
]);
expect((await createdTarget.page()).url()).toBe(server.PREFIX + '/popup/popup.html');
expect(createdTarget.opener()).toBe(page.target());
expect(page.target().opener()).toBe(null);
});
});
describe('Browser.waitForTarget', () => {
it_fails_ffox('should wait for a target', async function({browser, server}) {
let resolved = false;
const targetPromise = browser.waitForTarget(target => target.url() === server.EMPTY_PAGE);
targetPromise.then(() => resolved = true);
const page = await browser.newPage();
expect(resolved).toBe(false);
await page.goto(server.EMPTY_PAGE);
const target = await targetPromise;
expect(await target.page()).toBe(page);
await page.close();
});
it('should timeout waiting for a non-existent target', async function({browser, server}) {
let error = null;
await browser.waitForTarget(target => target.url() === server.EMPTY_PAGE, {
timeout: 1
}).catch(e => error = e);
expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
});
});
};