ci: add re-test functionality to staging workflow

.github/workflows/stage.yml

@@ -18,6 +18,7 @@ on:
     paths:
       - "generated/**"
       - "src/**"
+      - "test/**"
       - "package-lock.json"
       - "package.json"
       - "tsconfig.json"
@@ -44,6 +45,31 @@ jobs:
           cache: npm
           registry-url: 'https://npm.pkg.github.com'
 
+      - name: Setup Java 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 17
+          cache: maven
+
+      - name: setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          cache: 'pip'
+      - name: get Python location
+        id: python-location
+        run: |
+          echo "python-bin-location=$(echo $pythonLocation)/bin" >> $GITHUB_OUTPUT
+
+      - name: setup go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.20.1'
+
+      - name: Setup Gradle
+        uses: gradle/gradle-build-action@v3
+
       - name: Configure git
         run: |
           git config user.name "${{ github.actor }}"
@@ -60,6 +86,29 @@ jobs:
       - name: Compile project
         run: npm run compile
 
+      - name: Check if re-test is needed
+        id: test-check
+        uses: zvigrinberg/git-retest-checkup-action@v1.1
+        with:
+          base-ref: ${{ github.base_ref }}
+          pr-ref: ${{ github.head_ref }}
+          file-pattern-regex: "^src/.*|^test/.*"
+
+      - name: re-test Unit-Tests + Integration Tests
+        env:
+          RETEST_IS_NECESSARY: ${{ steps.test-check.outputs.retest-is-needed}}
+          TRIGGERING_FILE: ${{ steps.test-check.outputs.triggering-file}}
+        run: |
+          if [[ $RETEST_IS_NECESSARY == "true" ]]; then
+             echo "Re-test was triggered!!, triggering changed file - $TRIGGERING_FILE"
+             echo "Running Again Unit-test =>"
+             npm run test
+             echo "Running Again Unit-test =>"
+             npm run integration-tests
+          else
+            echo "Re-test of library is not needed, continuing to deployment!"
+          fi
+
       - name: Publish package
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_MAVEN_TOKEN }}