playwright/test/workers.spec.js

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2020-08-04 02:30:37 +03:00
/**
* Copyright 2017 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* 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 {FFOX, CHROMIUM, WEBKIT} = testOptions;
it('Page.workers', async function({page, server}) {
await Promise.all([
page.waitForEvent('worker'),
page.goto(server.PREFIX + '/worker/worker.html')]);
const worker = page.workers()[0];
expect(worker.url()).toContain('worker.js');
expect(await worker.evaluate(() => self['workerFunction']())).toBe('worker function result');
await page.goto(server.EMPTY_PAGE);
expect(page.workers().length).toBe(0);
});
it('should emit created and destroyed events', async function({page}) {
const workerCreatedPromise = page.waitForEvent('worker');
const workerObj = await page.evaluateHandle(() => new Worker(URL.createObjectURL(new Blob(['1'], {type: 'application/javascript'}))));
const worker = await workerCreatedPromise;
const workerThisObj = await worker.evaluateHandle(() => this);
const workerDestroyedPromise = new Promise(x => worker.once('close', x));
await page.evaluate(workerObj => workerObj.terminate(), workerObj);
expect(await workerDestroyedPromise).toBe(worker);
const error = await workerThisObj.getProperty('self').catch(error => error);
expect(error.message).toContain('Most likely the worker has been closed.');
});
it('should report console logs', async function({page}) {
const [message] = await Promise.all([
page.waitForEvent('console'),
page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'})))),
]);
expect(message.text()).toBe('1');
});
it('should have JSHandles for console logs', async function({page}) {
const logPromise = new Promise(x => page.on('console', x));
await page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1,2,3,this)'], {type: 'application/javascript'}))));
const log = await logPromise;
expect(log.text()).toBe('1 2 3 JSHandle@object');
expect(log.args().length).toBe(4);
expect(await (await log.args()[3].getProperty('origin')).jsonValue()).toBe('null');
});
it('should evaluate', async function({page}) {
const workerCreatedPromise = page.waitForEvent('worker');
await page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'}))));
const worker = await workerCreatedPromise;
expect(await worker.evaluate('1+1')).toBe(2);
});
it('should report errors', async function({page}) {
const errorPromise = new Promise(x => page.on('pageerror', x));
await page.evaluate(() => new Worker(URL.createObjectURL(new Blob([`
setTimeout(() => {
// Do a console.log just to check that we do not confuse it with an error.
console.log('hey');
throw new Error('this is my error');
})
`], {type: 'application/javascript'}))));
const errorLog = await errorPromise;
expect(errorLog.message).toContain('this is my error');
});
it('should clear upon navigation', async function({server, page}) {
await page.goto(server.EMPTY_PAGE);
const workerCreatedPromise = page.waitForEvent('worker');
await page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'}))));
const worker = await workerCreatedPromise;
expect(page.workers().length).toBe(1);
let destroyed = false;
worker.once('close', () => destroyed = true);
await page.goto(server.PREFIX + '/one-style.html');
expect(destroyed).toBe(true);
expect(page.workers().length).toBe(0);
});
it('should clear upon cross-process navigation', async function({server, page}) {
await page.goto(server.EMPTY_PAGE);
const workerCreatedPromise = page.waitForEvent('worker');
await page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'}))));
const worker = await workerCreatedPromise;
expect(page.workers().length).toBe(1);
let destroyed = false;
worker.once('close', () => destroyed = true);
await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
expect(destroyed).toBe(true);
expect(page.workers().length).toBe(0);
});
it('should report network activity', async function({page, server}) {
const [worker] = await Promise.all([
page.waitForEvent('worker'),
page.goto(server.PREFIX + '/worker/worker.html'),
]);
const url = server.PREFIX + '/one-style.css';
const requestPromise = page.waitForRequest(url);
const responsePromise = page.waitForResponse(url);
await worker.evaluate(url => fetch(url).then(response => response.text()).then(console.log), url);
const request = await requestPromise;
const response = await responsePromise;
expect(request.url()).toBe(url);
expect(response.request()).toBe(request);
expect(response.ok()).toBe(true);
});
it('should report network activity on worker creation', async function({page, server}) {
// Chromium needs waitForDebugger enabled for this one.
await page.goto(server.EMPTY_PAGE);
const url = server.PREFIX + '/one-style.css';
const requestPromise = page.waitForRequest(url);
const responsePromise = page.waitForResponse(url);
await page.evaluate(url => new Worker(URL.createObjectURL(new Blob([`
fetch("${url}").then(response => response.text()).then(console.log);
`], {type: 'application/javascript'}))), url);
const request = await requestPromise;
const response = await responsePromise;
expect(request.url()).toBe(url);
expect(response.request()).toBe(request);
expect(response.ok()).toBe(true);
});
it('should format number using context locale', async({browser, server}) => {
const context = await browser.newContext({ locale: 'ru-RU' });
const page = await context.newPage();
await page.goto(server.EMPTY_PAGE);
const [worker] = await Promise.all([
page.waitForEvent('worker'),
page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'})))),
]);
expect(await worker.evaluate(() => (10000.20).toLocaleString())).toBe('10\u00A0000,2');
await context.close();
});