/** * 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 { contextTest as it, expect } from '../../config/browserTest'; import { browserTest } from '../../config/browserTest'; it('should work', async function({ page }) { const client = await page.context().newCDPSession(page); await Promise.all([ client.send('Runtime.enable'), client.send('Runtime.evaluate', { expression: 'window.foo = "bar"' }) ]); const foo = await page.evaluate(() => window['foo']); expect(foo).toBe('bar'); }); it('should send events', async function({ page, server }) { const client = await page.context().newCDPSession(page); 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 only accept a page or frame', async function({ page }) { // @ts-expect-error newCDPSession expects a Page or Frame const error = await page.context().newCDPSession(page.context()).catch(e => e); expect(error.message).toContain('page: expected Page or Frame'); // non-channelable types hit validation at a different layer // @ts-expect-error newCDPSession expects a Page or Frame const errorAlt = await page.context().newCDPSession({}).catch(e => e); expect(errorAlt.message).toContain('page: expected Page or Frame'); }); it('should enable and disable domains independently', async function({ page }) { const client = await page.context().newCDPSession(page); 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. await Promise.all([ new Promise(f => client.on('Debugger.scriptParsed', event => { if (event.url === 'foo.js') f(); })), page.evaluate('//# sourceURL=foo.js') ]); }); it('should be able to detach session', async function({ page }) { const client = await page.context().newCDPSession(page); 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 (e) { error = e; } expect(error.message).toContain('Target page, context or browser has been closed'); }); it('should throw nice errors', async function({ page }) { const client = await page.context().newCDPSession(page); const error = await theSourceOfTheProblems().catch(error => error); expect(error.stack).toContain('theSourceOfTheProblems'); expect(error.message).toContain('ThisCommand.DoesNotExist'); async function theSourceOfTheProblems() { // @ts-expect-error invalid command await client.send('ThisCommand.DoesNotExist'); } }); it('should work with main frame', async function({ page }) { const client = await page.context().newCDPSession(page.mainFrame()); await Promise.all([ client.send('Runtime.enable'), client.send('Runtime.evaluate', { expression: 'window.foo = "bar"' }) ]); const foo = await page.evaluate(() => window['foo']); expect(foo).toBe('bar'); }); it('should throw if target is part of main', async function({ server, page }){ await page.goto(server.PREFIX + '/frames/one-frame.html'); expect(page.frames()[0].url()).toContain('/frames/one-frame.html'); expect(page.frames()[1].url()).toContain('/frames/frame.html'); const error = await page.context().newCDPSession(page.frames()[1]).catch(e => e); expect(error.message).toContain(`This frame does not have a separate CDP session, it is a part of the parent frame's session`); }); browserTest('should not break page.close()', async function({ browser }) { const context = await browser.newContext(); const page = await context.newPage(); const session = await page.context().newCDPSession(page); await session.detach(); await page.close(); await context.close(); }); browserTest('should detach when page closes', async function({ browser }) { const context = await browser.newContext(); const page = await context.newPage(); const session = await context.newCDPSession(page); await page.close(); let error; await session.detach().catch(e => error = e); expect(error).toBeTruthy(); await context.close(); }); browserTest('should work with newBrowserCDPSession', async function({ browser }) { const session = await browser.newBrowserCDPSession(); const version = await session.send('Browser.getVersion'); expect(version.userAgent).toBeTruthy(); let gotEvent = false; session.on('Target.targetCreated', () => gotEvent = true); await session.send('Target.setDiscoverTargets', { discover: true }); const page = await browser.newPage(); expect(gotEvent).toBe(true); await page.close(); await session.detach(); });