test.yaml

name: Test Charts

on:
  pull_request:
    branches:
      - main
      - release-[0-9]+.[0-9]+

concurrency:
  group: ${{ github.workflow }}-${{ github.event.number }}
  cancel-in-progress: true

jobs:

  discover-charts:
    name: Discover changed charts
    runs-on: ubuntu-latest
    outputs:
      charts: ${{ steps.list.outputs.charts }}
    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
        with:
          fetch-depth: 0

      - name: List changed charts
        id: list
        env:
          TARGET_BRANCH: ${{ github.event.pull_request.base.ref }}
        run: |
          ci_changed=$(git diff --name-only "origin/${TARGET_BRANCH}"...HEAD -- .github/actions/test-charts/ .github/workflows/test.yaml ct.yaml ct-install.yaml)
          if [[ -n "$ci_changed" ]]; then
            echo "CI files changed — testing all charts"
            all_charts=true
          else
            all_charts=false
          fi

          if [[ "$all_charts" == "true" ]]; then
            chart_dirs=$(find charts -mindepth 1 -maxdepth 1 -type d)
          else
            changed_files=$(git diff --name-only "origin/${TARGET_BRANCH}"...HEAD -- charts/)
            if [[ -z "$changed_files" ]]; then
              echo "charts=[]" >> "$GITHUB_OUTPUT"
              exit 0
            fi
            chart_dirs=$(echo "$changed_files" | cut -d'/' -f1-2 | sort -u)
          fi

          excluded=$(yq e '.excluded-charts[]' ct.yaml 2>/dev/null || true)
          charts='[]'
          while IFS= read -r chart; do
            [[ -z "$chart" ]] && continue
            [[ ! -d "$chart" ]] && continue
            chart_name=$(basename "$chart")
            if ! echo "$excluded" | grep -qx "$chart_name"; then
              charts=$(echo "$charts" | jq -c --arg c "$chart_name" '. + [$c]')
            fi
          done <<< "$chart_dirs"
          echo "charts=$charts" >> "$GITHUB_OUTPUT"

  test-chart:
    needs: discover-charts
    if: needs.discover-charts.outputs.charts != '[]'
    name: Test (${{ matrix.chart }})
    runs-on: ubuntu-latest
    timeout-minutes: 120
    strategy:
      fail-fast: false
      matrix:
        chart: ${{ fromJson(needs.discover-charts.outputs.charts) }}
    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
        with:
          fetch-depth: 0

      - name: Generate full-plugins values for template sanity check
        if: matrix.chart == 'backstage'
        run: |
          yq e '{"global": {"dynamic": {"includes": .global.dynamic.includes}, "lightspeed": {"plugins": .global.lightspeed.plugins}}, "orchestrator": {"plugins": .orchestrator.plugins}}' \
            charts/backstage/values.yaml > /tmp/backstage-full-plugins-values.yaml

      - name: Test charts
        uses: ./.github/actions/test-charts
        with:
          target_branch: ${{ github.event.pull_request.base.ref }}
          chart: charts/${{ matrix.chart }}
          monitoring_heartbeat: ${{ vars.TEST_MONITORING_HEARTBEAT_ENABLED || 'false' }}
          helm_template_values_file: ${{ matrix.chart == 'backstage' && '/tmp/backstage-full-plugins-values.yaml' || '' }}

  # Aligning job name with the OpenShift CI config: https://github.com/openshift/release/blob/master/core-services/prow/02_config/redhat-developer/rhdh-chart/_prowconfig.yaml#L18
  status:
    name: Test Latest Release
    needs: [discover-charts, test-chart]
    if: always()
    runs-on: ubuntu-latest
    steps:
      - name: Check test results
        run: |
          result="${{ needs.test-chart.result }}"
          if [[ "$result" != "success" && "$result" != "skipped" ]]; then
            echo "Chart tests did not succeed (result: $result)."
            exit 1
          fi
          echo "All chart tests passed (or no charts to test)."