ci: workflow to test helm chart pull requests

Author: tobiasehlert

.github/workflows/release.yaml

@@ -20,9 +20,8 @@ jobs:
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
-
-      - name: Fetch history
-        run: git fetch --prune --unshallow
+        with:
+          fetch-depth: 0
 
       - name: Configure Git
         run: |
@@ -68,12 +67,12 @@ jobs:
 
       - name: Get Helm Chart versions
         id: get_chart_versions
-        uses: jacobtomlinson/gha-read-helm-chart@master
+        uses: jacobtomlinson/gha-read-helm-chart@0.1.3
         with:
           path: ${{ needs.release.outputs.changed_charts }}
 
       - name: Trigger workflow in tibiadata-argocd-app-of-apps repo
-        uses: peter-evans/repository-dispatch@v3
+        uses: peter-evans/repository-dispatch@v3.0.0
         with:
           token: ${{ secrets.REPO_ACCESS_TOKEN }}
           repository: TibiaData/tibiadata-argocd-app-of-apps

.github/workflows/test.yaml

@@ -0,0 +1,47 @@
+name: test-helm-chart
+
+on:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4
+        with:
+          version: latest
+
+      - name: Set up Python
+        uses: actions/[email protected]
+        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 --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 --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 --target-branch ${{ github.event.repository.default_branch }}