/** * Copyright 2018 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 { waitEvent } from './utils.js'; import expect from 'expect'; import { getTestState, setupTestBrowserHooks, setupTestPageAndContextHooks, describeChromeOnly, } from './mocha-utils'; // eslint-disable-line import/extensions describeChromeOnly('Target.createCDPSession', function () { setupTestBrowserHooks(); setupTestPageAndContextHooks(); it('should work', async () => { const { page } = getTestState(); const client = await page.target().createCDPSession(); await Promise.all([ client.send('Runtime.enable'), client.send('Runtime.evaluate', { expression: 'window.foo = "bar"' }), ]); const foo = await page.evaluate(() => globalThis.foo); expect(foo).toBe('bar'); }); it('should send events', async () => { const { page, server } = getTestState(); const client = await page.target().createCDPSession(); await client.send('Network.enable'); const events = []; client.on('Network.requestWillBeSent', (event) => events.push(event)); await page.goto(server.EMPTY_PAGE); expect(events.length).toBe(1); }); it('should enable and disable domains independently', async () => { const { page } = getTestState(); const client = await page.target().createCDPSession(); await client.send('Runtime.enable'); await client.send('Debugger.enable'); // JS coverage enables and then disables Debugger domain. await page.coverage.startJSCoverage(); await page.coverage.stopJSCoverage(); // generate a script in page and wait for the event. const [event] = await Promise.all([ waitEvent(client, 'Debugger.scriptParsed'), page.evaluate('//# sourceURL=foo.js'), ]); // expect events to be dispatched. expect(event.url).toBe('foo.js'); }); it('should be able to detach session', async () => { const { page } = getTestState(); const client = await page.target().createCDPSession(); await client.send('Runtime.enable'); const evalResponse = await client.send('Runtime.evaluate', { expression: '1 + 2', returnByValue: true, }); expect(evalResponse.result.value).toBe(3); await client.detach(); let error = null; try { await client.send('Runtime.evaluate', { expression: '3 + 1', returnByValue: true, }); } catch (error_) { error = error_; } expect(error.message).toContain('Session closed.'); }); it('should throw nice errors', async () => { const { page } = getTestState(); const client = await page.target().createCDPSession(); const error = await theSourceOfTheProblems().catch((error) => error); expect(error.stack).toContain('theSourceOfTheProblems'); expect(error.message).toContain('ThisCommand.DoesNotExist'); async function theSourceOfTheProblems() { // This fails in TS as it knows that command does not exist but we want to // have this tests for our users who consume in JS not TS. // @ts-expect-error await client.send('ThisCommand.DoesNotExist'); } }); });