playwright/test/chromium/session.spec.js
2020-01-13 10:13:28 -08:00

84 lines
3.5 KiB
JavaScript

/**
* 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.
*/
const { waitEvent } = require('../utils');
module.exports.describe = function({testRunner, expect, FFOX, CHROMIUM, WEBKIT}) {
const {describe, xdescribe, fdescribe} = testRunner;
const {it, fit, xit, dit} = testRunner;
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
describe('Chromium.createCDPSession', function() {
it('should work', async function({page, browser, server}) {
const client = await browser.pageTarget(page).createCDPSession();
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, browser, server}) {
const client = await browser.pageTarget(page).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 function({page, browser, server}) {
const client = await browser.pageTarget(page).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 function({page, browser, server}) {
const client = await browser.pageTarget(page).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 (e) {
error = e;
}
expect(error.message).toContain('Session closed.');
});
it('should throw nice errors', async function({page, browser}) {
const client = await browser.pageTarget(page).createCDPSession();
const error = await theSourceOfTheProblems().catch(error => error);
expect(error.stack).toContain('theSourceOfTheProblems');
expect(error.message).toContain('ThisCommand.DoesNotExist');
async function theSourceOfTheProblems() {
await client.send('ThisCommand.DoesNotExist');
}
});
});
};