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/**
* Copyright 2020 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
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import expect from 'expect';
import {
getTestState,
setupTestBrowserHooks,
setupTestPageAndContextHooks,
describeFailsFirefox,
} from './mocha-utils'; // eslint-disable-line import/extensions
import utils from './utils.js';
import { WebWorker } from '../lib/cjs/puppeteer/common/WebWorker.js';
import { ConsoleMessage } from '../lib/cjs/puppeteer/common/ConsoleMessage.js';
const { waitEvent } = utils;
describeFailsFirefox('Workers', function () {
setupTestBrowserHooks();
setupTestPageAndContextHooks();
it('Page.workers', async () => {
const { page, server } = getTestState();
await Promise.all([
new Promise((x) => page.once('workercreated', x)),
page.goto(server.PREFIX + '/worker/worker.html'),
]);
const worker = page.workers()[0];
expect(worker.url()).toContain('worker.js');
expect(await worker.evaluate(() => globalThis.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 () => {
const { page } = getTestState();
const workerCreatedPromise = new Promise<WebWorker>((x) =>
page.once('workercreated', x)
);
const workerObj = await page.evaluateHandle(
() => new Worker('data:text/javascript,1')
);
const worker = await workerCreatedPromise;
const workerThisObj = await worker.evaluateHandle(() => this);
const workerDestroyedPromise = new Promise((x) =>
page.once('workerdestroyed', x)
);
await page.evaluate(
(workerObj: Worker) => 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 () => {
const { page } = getTestState();
const [message] = await Promise.all([
waitEvent(page, 'console'),
page.evaluate(() => new Worker(`data:text/javascript,console.log(1)`)),
]);
expect(message.text()).toBe('1');
expect(message.location()).toEqual({
url: '',
lineNumber: 0,
columnNumber: 8,
});
});
it('should have JSHandles for console logs', async () => {
const { page } = getTestState();
const logPromise = new Promise<ConsoleMessage>((x) =>
page.on('console', x)
);
await page.evaluate(
() => new Worker(`data:text/javascript,console.log(1,2,3,this)`)
);
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 have an execution context', async () => {
const { page } = getTestState();
const workerCreatedPromise = new Promise<WebWorker>((x) =>
page.once('workercreated', x)
);
await page.evaluate(
() => new Worker(`data:text/javascript,console.log(1)`)
);
const worker = await workerCreatedPromise;
expect(await (await worker.executionContext()).evaluate('1+1')).toBe(2);
});
it('should report errors', async () => {
const { page } = getTestState();
const errorPromise = new Promise<Error>((x) => page.on('pageerror', x));
await page.evaluate(
() =>
new Worker(`data:text/javascript, throw new Error('this is my error');`)
);
const errorLog = await errorPromise;
expect(errorLog.message).toContain('this is my error');
});
});