28797dee41
This CL migrates all the tests to TypeScript. The main benefits of this is that we start consuming our TypeScript definitions and therefore find errors in them. The act of migrating found some bugs in our definitions and now we can be sure to avoid them going forwards. You'll notice the addition of some `TODO`s in the code; I didn't want this CL to get any bigger than it already is but I intend to follow those up once this lands. It's mostly figuring out how to extend the `expect` types with our `toBeGolden` helpers and some other slight confusions with types that the tests exposed. Co-authored-by: Mathias Bynens <mathias@qiwi.be>
107 lines
3.6 KiB
TypeScript
107 lines
3.6 KiB
TypeScript
/**
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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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import { waitEvent } from './utils';
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import expect from 'expect';
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import {
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getTestState,
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setupTestBrowserHooks,
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setupTestPageAndContextHooks,
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describeChromeOnly,
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} from './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(() => globalThis.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', {
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expression: '1 + 2',
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returnByValue: true,
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});
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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', {
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expression: '3 + 1',
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returnByValue: true,
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});
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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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// This fails in TS as it knows that command does not exist but we want to
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// have this tests for our users who consume in JS not TS.
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// @ts-expect-error
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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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