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https://github.com/puppeteer/puppeteer
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17cd8703f9
Rather than maintain our own test runner we should instead lean on the community and use Mocha which is very popular and also our test runner of choice in DevTools too. Note that this commit doesn't remove the TestRunner source as it's still used for other unit tests, but they will be updated in a future PR and then we can remove the TestRunner. The main bulk of this PR is updating the tests as the old TestRunner passed in contextual data via the `it` function callback whereas Mocha does not, so we introduce some helpers for the tests to make it easier.
93 lines
3.8 KiB
JavaScript
93 lines
3.8 KiB
JavaScript
/**
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* Copyright 2020 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 expect = require('expect');
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const {getTestState, setupTestBrowserHooks, setupTestPageAndContextHooks} = require('./mocha-utils');
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const utils = require('./utils');
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const {waitEvent} = utils;
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describeFailsFirefox('Workers', function() {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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it('Page.workers', async() => {
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const { page, server } = getTestState();
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await Promise.all([
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new Promise(x => page.once('workercreated', x)),
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page.goto(server.PREFIX + '/worker/worker.html')]);
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const worker = page.workers()[0];
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expect(worker.url()).toContain('worker.js');
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expect(await worker.evaluate(() => self.workerFunction())).toBe('worker function result');
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await page.goto(server.EMPTY_PAGE);
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expect(page.workers().length).toBe(0);
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});
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it('should emit created and destroyed events', async() => {
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const { page } = getTestState();
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const workerCreatedPromise = new Promise(x => page.once('workercreated', x));
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const workerObj = await page.evaluateHandle(() => new Worker('data:text/javascript,1'));
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const worker = await workerCreatedPromise;
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const workerThisObj = await worker.evaluateHandle(() => this);
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const workerDestroyedPromise = new Promise(x => page.once('workerdestroyed', x));
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await page.evaluate(workerObj => workerObj.terminate(), workerObj);
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expect(await workerDestroyedPromise).toBe(worker);
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const error = await workerThisObj.getProperty('self').catch(error => error);
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expect(error.message).toContain('Most likely the worker has been closed.');
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});
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it('should report console logs', async() => {
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const { page } = getTestState();
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const [message] = await Promise.all([
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waitEvent(page, 'console'),
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page.evaluate(() => new Worker(`data:text/javascript,console.log(1)`)),
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]);
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expect(message.text()).toBe('1');
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expect(message.location()).toEqual({
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url: 'data:text/javascript,console.log(1)',
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lineNumber: 0,
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columnNumber: 8,
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});
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});
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it('should have JSHandles for console logs', async() => {
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const { page } = getTestState();
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const logPromise = new Promise(x => page.on('console', x));
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await page.evaluate(() => new Worker(`data:text/javascript,console.log(1,2,3,this)`));
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const log = await logPromise;
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expect(log.text()).toBe('1 2 3 JSHandle@object');
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expect(log.args().length).toBe(4);
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expect(await (await log.args()[3].getProperty('origin')).jsonValue()).toBe('null');
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});
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it('should have an execution context', async() => {
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const { page } = getTestState();
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const workerCreatedPromise = new Promise(x => page.once('workercreated', x));
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await page.evaluate(() => new Worker(`data:text/javascript,console.log(1)`));
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const worker = await workerCreatedPromise;
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expect(await (await worker.executionContext()).evaluate('1+1')).toBe(2);
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});
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it('should report errors', async() => {
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const { page } = getTestState();
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const errorPromise = new Promise(x => page.on('pageerror', x));
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await page.evaluate(() => new Worker(`data:text/javascript, throw new Error('this is my error');`));
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const errorLog = await errorPromise;
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expect(errorLog.message).toContain('this is my error');
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});
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});
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