openmct/e2e/baseFixtures.js
Jesse Mazzella 311ad0b87a
fix(e2e): specify .nyc_output path as custom config setting ()
* fix: specify .nyc_output path as custom config setting

* fix: coverage for mobile suite

* fix: pathing in playwright configs
2024-04-01 18:29:47 +00:00

236 lines
8.6 KiB
JavaScript

/*****************************************************************************
* 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 sinon from 'sinon';
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<Animation[]>}
*/
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 }],
/**
* This allows the test to manipulate the browser clock. This is useful for Visual and Snapshot tests which need
* the Time Indicator Clock to be in a specific state.
*
* Warning: Has many limitations and secondary side effects in Open MCT.
* 1. The tree component does not render.
* 2. page.WaitForNavigation does not trigger.
*
* Usage:
* ```js
* test.use({
* clockOptions: {
* now: MISSION_TIME,
* shouldAdvanceTime: true
* ```
* If clockOptions are provided, will override the default clock with fake timers provided by SinonJS.
*
* Default: `undefined`
*
* @see {@link https://github.com/microsoft/playwright/issues/6347 Github RFE}
* @see {@link https://github.com/sinonjs/fake-timers/#var-clock--faketimersinstallconfig SinonJS FakeTimers Config}
* @type {import('@types/sinonjs__fake-timers').FakeTimerInstallOpts}
*/
clockOptions: [undefined, { option: true }],
overrideClock: [
async ({ context, clockOptions }, use) => {
if (clockOptions !== undefined) {
await context.addInitScript({
path: fileURLToPath(new URL('../node_modules/sinon/pkg/sinon.js', import.meta.url))
});
await context.addInitScript((options) => {
window.__clock = sinon.useFakeTimers(options);
}, clockOptions);
}
await use(context);
},
{
auto: true,
scope: 'test'
}
],
/**
* Exposes a function to manually tick the clock. This is useful when overriding the clock to not
* tick (`shouldAdvanceTime: false`) for visual tests, as events such as re-renders and router params
* updates are clock-driven and must be manually ticked.
*
* Usage:
* ```js
* test.describe('Manual Clock Tick', () => {
* test.use({
* clockOptions: {
* now: MISSION_TIME, // Set to the desired time
* shouldAdvanceTime: false // Clock overridden to no longer tick
* }
* });
* test('Visual - Manual Clock Tick', async ({ page, tick }) => {
* // Tick the clock 2 seconds in the future
* await tick(2000);
* });
* });
* ```
*
* @param {Object} param0
* @param {import('@playwright/test').Page} param0.page
* @param {import('@playwright/test').Use} param0.use
*/
tick: async ({ page }, use) => {
// eslint-disable-next-line func-style
const tick = async (milliseconds) => {
await page.evaluate((_milliseconds) => {
window.__clock.tick(_milliseconds);
}, milliseconds);
};
await use(tick);
},
/**
* 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, clockOptions }, use) => {
// If overriding the clock, we must also override the Date.now()
// function in the generatorWorker context. This is necessary
// to ensure that example telemetry data is generated for the new clock time.
if (clockOptions?.now !== undefined) {
page.on('worker', (worker) => {
if (worker.url().includes('generatorWorker')) {
worker.evaluate((time) => {
self.Date.now = () => time;
}, clockOptions.now);
}
});
}
// 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) =>
expect
.soft(msg.type(), `Console error detected: ${_consoleMessageToString(msg)}`)
.not.toEqual('error')
);
}
},
/**
* Extends the base browser class to enable CDP connection definition in playwright.config.js. Once
* that RFE is implemented, this function can be removed.
* @see {@link https://github.com/microsoft/playwright/issues/8379 Github RFE}
*/
browser: async ({ playwright, browser }, use, workerInfo) => {
// Use browserless if configured
if (workerInfo.project.name.match(/browserless/)) {
const vBrowser = await playwright.chromium.connectOverCDP({
endpointURL: 'ws://localhost:3003'
});
await use(vBrowser);
} else {
// Use Local Browser for testing.
await use(browser);
}
}
});
export { expect, request, extendedTest as test, waitForAnimations };