Run compatibility tests once per day and on PR changes

.github/workflows/compatibilityTest.yml

@@ -0,0 +1,42 @@
+name: Run Compatibility Tests
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  CompatibilityTest:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Git repository
+        uses: actions/checkout@v3
+
+      - name: Set up node 
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Cache node modules
+        id: cache-npm
+        uses: actions/cache@v3
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+  
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run compatibility tests
+        run: npm run test:compatibility

package.json

@@ -12,7 +12,8 @@
     "build:firefox": "webpack --env browser=firefox --config webpack.prod.cjs",
     "lint": "eslint --ext .ts,.js --max-warnings=0 . --ignore-path .eslintignore",
     "lint:firefox": "web-ext lint --source-dir ./dist/firefox",
-    "test": "c8 --reporter=lcov --reporter=text mocha ./test/testSetup.js ./test/chromeStorage.test.js ./test/**/*.test.js --require mocha-suppress-logs"
+    "test": "c8 --reporter=lcov --reporter=text mocha ./test/testSetup.js ./test/chromeStorage.test.js ./test/**/*.test.js --exclude ./test/compatibility.test.js --require mocha-suppress-logs",
+    "test:compatibility": "mocha ./test/testSetup.js ./test/compatibility.test.js --require mocha-suppress-logs"
   },
   "type": "module",
   "devDependencies": {

test/compatibility.test.js

@@ -0,0 +1,13 @@
+import expect from 'expect.js';
+
+describe('compatibility', function () {
+	context('YouTube', function () {
+		it('should redirect multiple videos to a temporary playlist URL', async function () {
+			const watchVideosUrl = 'https://www.youtube.com/watch_videos?video_ids=dQw4w9WgXcQ,dQw4w9WgXcQ,dQw4w9WgXcQ,dQw4w9WgXcQ';
+			const redirectedUrl = (await fetch(watchVideosUrl)).url;
+
+			// The playlist is temporary, indicated by a TL start in the ID
+			expect(redirectedUrl).to.contain('https://www.youtube.com/watch?v=dQw4w9WgXcQ&list=TL');
+		});
+	});
+});