[e2e] Refactor and document our extension of existing Playwright API and RFE features (#5537)

e2e/tests/framework/baseFixtures.e2e.spec.js

@@ -0,0 +1,55 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2022, 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 test suite is dedicated to testing our use of the playwright framework as it
+relates to how we've extended it (i.e. ./e2e/baseFixtures.js) and assumptions made in our dev environment
+(app.js and ./e2e/webpack-dev-middleware.js)
+*/
+
+const { test } = require('../../baseFixtures.js');
+
+test.describe('baseFixtures tests', () => {
+    test('Verify that tests fail if console.error is thrown @framework', async ({ page }) => {
+        test.fail();
+        //Go to baseURL
+        await page.goto('./', { waitUntil: 'networkidle' });
+
+        //Verify that ../fixtures.js detects console log errors
+        await Promise.all([
+            page.evaluate(() => console.error('This should result in a failure')),
+            page.waitForEvent('console') // always wait for the event to happen while triggering it!
+        ]);
+
+    });
+    test('Verify that tests pass if console.warn is thrown @framework', async ({ page }) => {
+        //Go to baseURL
+        await page.goto('./', { waitUntil: 'networkidle' });
+
+        //Verify that ../fixtures.js detects console log errors
+        await Promise.all([
+            page.evaluate(() => console.warn('This should result in a pass')),
+            page.waitForEvent('console') // always wait for the event to happen while triggering it!
+        ]);
+
+    });
+});