puppeteer/test/fixtures.spec.js

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/**
* Copyright 2019 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 path = require('path');
module.exports.addTests = function({testRunner, expect, defaultBrowserOptions, puppeteer, puppeteerPath, CHROME}) {
const {describe, xdescribe, fdescribe, describe_fails_ffox} = testRunner;
const {it, fit, xit, it_fails_ffox} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Fixtures', function() {
it('should dump browser process stderr', async({server}) => {
let dumpioData = '';
const {spawn} = require('child_process');
const options = Object.assign({}, defaultBrowserOptions, {dumpio: true});
const res = spawn('node',
[path.join(__dirname, 'fixtures', 'dumpio.js'), puppeteerPath, JSON.stringify(options)]);
if (CHROME)
res.stderr.on('data', data => dumpioData += data.toString('utf8'));
else
res.stdout.on('data', data => dumpioData += data.toString('utf8'));
await new Promise(resolve => res.on('close', resolve));
if (CHROME)
expect(dumpioData).toContain('DevTools listening on ws://');
else
expect(dumpioData).toContain('Juggler listening on ws://');
});
it('should close the browser when the node process closes', async({ server }) => {
const {spawn, execSync} = require('child_process');
const options = Object.assign({}, defaultBrowserOptions, {
// Disable DUMPIO to cleanly read stdout.
dumpio: false,
});
const res = spawn('node', [path.join(__dirname, 'fixtures', 'closeme.js'), puppeteerPath, JSON.stringify(options)]);
let wsEndPointCallback;
const wsEndPointPromise = new Promise(x => wsEndPointCallback = x);
let output = '';
res.stdout.on('data', data => {
output += data;
if (output.indexOf('\n'))
wsEndPointCallback(output.substring(0, output.indexOf('\n')));
});
const browser = await puppeteer.connect({ browserWSEndpoint: await wsEndPointPromise });
const promises = [
new Promise(resolve => browser.once('disconnected', resolve)),
new Promise(resolve => res.on('close', resolve))
];
if (process.platform === 'win32')
execSync(`taskkill /pid ${res.pid} /T /F`);
else
process.kill(res.pid);
await Promise.all(promises);
});
});
};