publish.yml quality check implemented

.github/workflows/publish.yml

@@ -7,7 +7,37 @@ on:
 
 # Publish using the reusable workflow from dart-lang.
 jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: dart-lang/setup-dart@v1
+
+      - name: Install dependencies
+        run: dart pub get
+
+      - name: Verify formatting
+        run: dart format -o none --set-exit-if-changed .
+
+      - name: Analyze project source
+        run: dart analyze --fatal-infos
+
+      - name: Make shell script write_credentials.sh executable
+        run: chmod +x .github/workflows/write_credentials.sh
+
+      - name: Write down test credentials
+        run:  ./.github/workflows/write_credentials.sh
+        env:
+          CLIENT_ID: ${{ secrets.CLIENT_ID }}
+          CLIENT_SECRET: ${{ secrets.CLIENT_SECRET }}
+
+      - name: Run tests
+        run: dart test
+
   publish:
+    needs: build
     permissions:
       id-token: write # Required for authentication using OIDC
     uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1