/***************************************************************************** * Open MCT, Copyright (c) 2014-2024, United States Government * as represented by the Administrator of the National Aeronautics and Space * Administration. All rights reserved. * * Open MCT is 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. * * Open MCT includes source code licensed under additional open source * licenses. See the Open Source Licenses file (LICENSES.md) included with * this source code distribution or the Licensing information page available * at runtime from the About dialog for additional information. *****************************************************************************/ /** * This file is dedicated to extending the base functionality of the `@playwright/test` framework. * The functions in this file should be viewed as temporary or a shim to be removed as the RFEs in * the Playwright GitHub repo are implemented. Functions which serve those RFEs are marked with corresponding * GitHub issues. */ import { expect, request, test } from '@playwright/test'; import fs from 'fs'; import path from 'path'; import { fileURLToPath } from 'url'; import { v4 as uuid } from 'uuid'; /** * Takes a `ConsoleMessage` and returns a formatted string. Used to enable console log error detection. * @see {@link https://github.com/microsoft/playwright/discussions/11690 Github Discussion} * @private * @param {import('@playwright/test').ConsoleMessage} msg * @returns {string} formatted string with message type, text, url, and line and column numbers */ function _consoleMessageToString(msg) { const { url, lineNumber, columnNumber } = msg.location(); return `[${msg.type()}] ${msg.text()} at (${url} ${lineNumber}:${columnNumber})`; } /** * Wait for all animations within the given element and subtrees to finish. Useful when * verifying that css transitions have completed. * @see {@link https://github.com/microsoft/playwright/issues/15660 Github RFE} * @param {import('@playwright/test').Locator} locator * @return {Promise} */ function waitForAnimations(locator) { return locator.evaluate((element) => Promise.all(element.getAnimations({ subtree: true }).map((animation) => animation.finished)) ); } const istanbulCLIOutput = fileURLToPath(new URL('.nyc_output', import.meta.url)); const extendedTest = test.extend({ /** * Path to output raw coverage files. Can be overridden in Playwright config file. * @see {@link https://github.com/mxschmitt/playwright-test-coverage Github Example Project} * @constant {string} */ coveragePath: [istanbulCLIOutput, { option: true }], /** * Extends the base context class to add codecoverage shim. * @see {@link https://github.com/mxschmitt/playwright-test-coverage Github Project} */ context: async ({ context, coveragePath }, use) => { await context.addInitScript(() => window.addEventListener('beforeunload', () => window.collectIstanbulCoverage(JSON.stringify(window.__coverage__)) ) ); await fs.promises.mkdir(coveragePath, { recursive: true }); await context.exposeFunction('collectIstanbulCoverage', (coverageJSON) => { if (coverageJSON) { fs.writeFileSync( path.join(coveragePath, `playwright_coverage_${uuid()}.json`), coverageJSON ); } }); await use(context); for (const page of context.pages()) { await page.evaluate(() => { window.collectIstanbulCoverage(JSON.stringify(window.__coverage__)); }); } }, /** * If true, will assert against any console.error calls that occur during the test. Assertions occur * during test teardown (after the test has completed). * * Default: `true` */ failOnConsoleError: [true, { option: true }], /** * Extends the base page class to enable console log error detection. * @see {@link https://github.com/microsoft/playwright/discussions/11690 Github Discussion} */ page: async ({ page, failOnConsoleError }, use) => { // Capture any console errors during test execution const messages = []; page.on('console', (msg) => messages.push(msg)); await use(page); // Assert against console errors during teardown if (failOnConsoleError) { messages.forEach((msg) => // eslint-disable-next-line playwright/no-standalone-expect expect .soft(msg.type(), `Console error detected: ${_consoleMessageToString(msg)}`) .not.toEqual('error') ); } } }); export { expect, request, extendedTest as test, waitForAnimations };