puppeteer/test-browser/connection.spec.js

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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
*
* 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.
*/
import { Connection } from '../lib/esm/puppeteer/common/Connection.js';
import { BrowserWebSocketTransport } from '../lib/esm/puppeteer/common/BrowserWebSocketTransport.js';
import puppeteer from '../lib/esm/puppeteer/web.js';
import expect from '../node_modules/expect/build-es5/index.js';
import { getWebSocketEndpoint } from './helper.js';
describe('creating a Connection', () => {
it('can create a real connection to the backend and send messages', async () => {
const wsUrl = getWebSocketEndpoint();
const transport = await BrowserWebSocketTransport.create(wsUrl);
const connection = new Connection(wsUrl, transport);
const result = await connection.send('Browser.getVersion');
/* We can't expect exact results as the version of Chrome/CDP might change
* and we don't want flakey tests, so let's assert the structure, which is
* enough to confirm the result was recieved successfully.
*/
expect(result).toEqual({
protocolVersion: expect.any(String),
jsVersion: expect.any(String),
revision: expect.any(String),
userAgent: expect.any(String),
product: expect.any(String),
});
});
});
describe('puppeteer.connect', () => {
it('can connect over websocket and make requests to the backend', async () => {
const wsUrl = getWebSocketEndpoint();
const browser = await puppeteer.connect({
browserWSEndpoint: wsUrl,
});
const version = await browser.version();
const versionLooksCorrect = /.+Chrome\/\d{2}/.test(version);
expect(version).toEqual(expect.any(String));
expect(versionLooksCorrect).toEqual(true);
});
});