mirror of
https://github.com/puppeteer/puppeteer
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93 lines
3.3 KiB
JavaScript
93 lines
3.3 KiB
JavaScript
/**
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* Copyright 2018 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 {waitEvent} = require('./utils');
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const expect = require('expect');
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const {getTestState, setupTestBrowserHooks, setupTestPageAndContextHooks} = require('./mocha-utils');
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describeChromeOnly('Target.createCDPSession', function() {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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it('should work', async() => {
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const {page} = getTestState();
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const client = await page.target().createCDPSession();
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await Promise.all([
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client.send('Runtime.enable'),
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client.send('Runtime.evaluate', {expression: 'window.foo = "bar"'})
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]);
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const foo = await page.evaluate(() => window.foo);
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expect(foo).toBe('bar');
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});
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it('should send events', async() => {
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const {page, server} = getTestState();
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const client = await page.target().createCDPSession();
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await client.send('Network.enable');
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const events = [];
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client.on('Network.requestWillBeSent', event => events.push(event));
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await page.goto(server.EMPTY_PAGE);
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expect(events.length).toBe(1);
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});
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it('should enable and disable domains independently', async() => {
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const {page} = getTestState();
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const client = await page.target().createCDPSession();
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await client.send('Runtime.enable');
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await client.send('Debugger.enable');
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// JS coverage enables and then disables Debugger domain.
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await page.coverage.startJSCoverage();
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await page.coverage.stopJSCoverage();
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// generate a script in page and wait for the event.
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const [event] = await Promise.all([
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waitEvent(client, 'Debugger.scriptParsed'),
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page.evaluate('//# sourceURL=foo.js')
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]);
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// expect events to be dispatched.
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expect(event.url).toBe('foo.js');
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});
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it('should be able to detach session', async() => {
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const {page} = getTestState();
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const client = await page.target().createCDPSession();
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await client.send('Runtime.enable');
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const evalResponse = await client.send('Runtime.evaluate', {expression: '1 + 2', returnByValue: true});
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expect(evalResponse.result.value).toBe(3);
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await client.detach();
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let error = null;
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try {
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await client.send('Runtime.evaluate', {expression: '3 + 1', returnByValue: true});
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} catch (error_) {
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error = error_;
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}
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expect(error.message).toContain('Session closed.');
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});
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it('should throw nice errors', async() => {
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const {page} = getTestState();
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const client = await page.target().createCDPSession();
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const error = await theSourceOfTheProblems().catch(error => error);
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expect(error.stack).toContain('theSourceOfTheProblems');
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expect(error.message).toContain('ThisCommand.DoesNotExist');
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async function theSourceOfTheProblems() {
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await client.send('ThisCommand.DoesNotExist');
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}
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});
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});
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