👷 Add automated test suite

See #16

.github/workflows/deploy.yml

@@ -30,27 +30,79 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v2
+        uses: actions/configure-pages@v5
       - name: Inject version information
         run: |
             DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
             jq -n --arg commit "$GITHUB_SHA" --arg build "$GITHUB_RUN_NUMBER" --arg date "$DATE" '{commit: $commit, build: $build, date: $date}' > ./src/version.json
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./src
 
+  # Test job
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: 🏗 Prepare Playwright env
+        working-directory: ./tests
+        run: |
+          npm ci
+          PLAYWRIGHT_VERSION=$(npm ls --json @playwright/test | jq --raw-output '.dependencies["@playwright/test"].version')
+          echo "PLAYWRIGHT_VERSION=$PLAYWRIGHT_VERSION" >> $GITHUB_ENV
+
+      - name: 🧰 Cache Playwright browser binaries
+        uses: actions/cache@v4
+        id: playwright-cache
+        with:
+          path: "~/.cache/ms-playwright"
+          key: "${{ runner.os }}-playwright-${{ env.PLAYWRIGHT_VERSION }}"
+          restore-keys: |
+            ${{ runner.os }}-playwright-
+
+      - name: 🏗 Install Playwright browser binaries & OS dependencies
+        if: steps.playwright-cache.outputs.cache-hit != 'true'
+        working-directory: ./tests
+        run: |
+            sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
+            npx playwright install --with-deps
+
+      - name: 🏗 Install Playwright OS dependencies
+        if: steps.playwright-cache.outputs.cache-hit == 'true'
+        working-directory: ./tests
+        run: |
+          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
+          npx playwright install-deps
+    
+      - name: 🎭 Run Playwright
+        working-directory: ./tests
+        run: |
+          npx playwright test
+
+      - name: ⬆ Upload Playwright report
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+            name: playwright-report
+            path: tests/playwright-report
+
+
   # Deployment job
   deploy:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
-    needs: build
+    needs:
+      - build
+      - test
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4

Taskfile.yml

@@ -2,7 +2,6 @@ version: '3'
 
 tasks:
   serve:
-    dir: ./src
     cmds:
       - echo "Starting server on http://localhost:8000"
-      - python -m http.server 8000
+      - npx http-server ./src -p 8000

tests/.gitignore

@@ -0,0 +1,5 @@
+node_modules/
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/