Add helm chart test to ci

.github/workflows/ci.yml

@@ -37,3 +37,40 @@ jobs:
           platforms: amd64,arm64,ppc64le
       - name: Build and Test Docker Image
         run: docker/build.sh
+  helm:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - name: Set up Helm
+        uses: azure/[email protected]
+        with:
+          version: v3.14.4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+          check-latest: true
+
+      - name: Set up chart-testing
+        uses: helm/[email protected]
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --chart-dirs helm/trino-gateway --target-branch ${{ github.event.repository.default_branch }})
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --chart-dirs helm/trino-gateway --target-branch ${{ github.event.repository.default_branch }}
+
+      - name: Create kind cluster
+        if: steps.list-changed.outputs.changed == 'true'
+        uses: helm/[email protected]
+
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct install --chart-dirs helm/trino-gateway --target-branch ${{ github.event.repository.default_branch }}
+