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b2bbe965ba
* chore: Add puppeteer-core as a dev dependency. * fix: Make mocha tests run in a fake-focused window. * fix: Make `test:mocha:interactive` use the same gulp codepath as `test`.
111 lines
3.6 KiB
JavaScript
111 lines
3.6 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Node.js script to run Mocha tests in Chrome, via webdriver.
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*/
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const webdriverio = require('webdriverio');
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const {posixPath} = require('../../scripts/helpers');
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/**
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* Runs the Mocha tests in this directory in Chrome. It uses webdriverio to
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* launch Chrome and load index.html. Outputs a summary of the test results
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* to the console.
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*
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* @param {boolean} exitOnCompletetion True if the browser should automatically
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* quit after tests have finished running.
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* @return {number} 0 on success, 1 on failure.
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*/
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async function runMochaTestsInBrowser(exitOnCompletion = true) {
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const options = {
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capabilities: {
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browserName: 'chrome',
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'goog:chromeOptions': {
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args: ['--allow-file-access-from-files'],
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},
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},
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logLevel: 'warn',
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};
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// Run in headless mode on Github Actions.
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if (process.env.CI) {
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options.capabilities['goog:chromeOptions'].args.push(
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'--headless', '--no-sandbox', '--disable-dev-shm-usage',);
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} else {
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// --disable-gpu is needed to prevent Chrome from hanging on Linux with
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// NVIDIA drivers older than v295.20. See
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// https://github.com/google/blockly/issues/5345 for details.
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options.capabilities['goog:chromeOptions'].args.push('--disable-gpu');
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}
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const url = 'file://' + posixPath(__dirname) + '/index.html';
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console.log('Starting webdriverio...');
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const browser = await webdriverio.remote(options);
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console.log('Loading URL: ' + url);
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await browser.url(url);
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// Toggle the devtools setting to emulate focus, so that the window will
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// always act as if it has focus regardless of the state of the window manager
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// or operating system. This improves the reliability of FocusManager-related
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// tests.
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const puppeteer = await browser.getPuppeteer();
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await browser.call(async () => {
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const page = (await puppeteer.pages())[0];
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const session = await page.createCDPSession();
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await session.send('Emulation.setFocusEmulationEnabled', { enabled: true });
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});
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await browser.waitUntil(async() => {
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const elem = await browser.$('#failureCount');
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const text = await elem.getAttribute('tests_failed');
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return text !== 'unset';
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}, {
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timeout: 100000,
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});
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const elem = await browser.$('#failureCount');
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const numOfFailure = await elem.getAttribute('tests_failed');
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if (numOfFailure > 0) {
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console.log('============Blockly Mocha Test Failures================');
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const failureMessagesEls = await browser.$$('#failureMessages p');
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if (!failureMessagesEls.length) {
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console.log('There is at least one test failure, but no messages reported. Mocha may be failing because no tests are being run.');
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}
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for (const el of failureMessagesEls) {
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const messageHtml = await el.getHTML();
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console.log(messageHtml.replace('<p>', '').replace('</p>', ''));
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}
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}
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console.log('============Blockly Mocha Test Summary=================');
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console.log(numOfFailure + ' tests failed');
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console.log('============Blockly Mocha Test Summary=================');
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if (parseInt(numOfFailure) !== 0) {
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return 1;
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}
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if (exitOnCompletion) await browser.deleteSession();
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return 0;
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}
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if (require.main === module) {
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runMochaTestsInBrowser().catch((e) => {
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console.error(e);
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process.exit(1);
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}).then(function(result) {
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if (result) {
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console.log('Mocha tests failed');
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process.exit(1);
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} else {
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console.log('Mocha tests passed');
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process.exit(0);
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}
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});
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}
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module.exports = {runMochaTestsInBrowser};
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