ci.yml

name: CI
on:
  pull_request: {}
permissions: read-all
jobs:
  preliminary:
    name: preliminary sanity checks
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # tag=v4
        with:
          fetch-depth: 0 #needed by spotless
      - name: Download JDK 9
        if: contains('3.6.x', github.base_ref)
        run: ${GITHUB_WORKSPACE}/.github/setup.sh
        shell: bash
      - name: Setup JDK 9
        if: contains('3.6.x', github.base_ref)
        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # tag=v3
        with:
          distribution: 'jdkfile'
          java-version: 9.0.4
          jdkFile: /opt/openjdk/java9/OpenJDK9U-jdk_x64_linux_hotspot_9.0.4_11.tar.gz
      - name: Setup JDK 21
        if: contains('main 3.6.x', github.base_ref)
        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # tag=v3
        with:
          distribution: 'temurin'
          java-version: 21
      - name: Setup JDK 8
        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # tag=v3
        with:
          distribution: 'temurin'
          java-version: 8
      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0
      - name: spotless (license header)
        if: always()
        run: ./gradlew spotlessCheck -PspotlessFrom=origin/${{ github.base_ref }}
      - name: api compatibility
        if: always()
        run: ./gradlew japicmp
      - name: how to fix
        if: failure()
        # the foreground (38;5) color code 208 is orange. we also have bold, white bg (38;5;0;48;5;255m), white fg on black bg...
        run: |
          echo -e "\n\033[38;5;0;48;5;208m \u001b[1m How to deal with errors in preliminary job: \u001b[0m\033[0m"
          echo "(Have a look at the steps above to see what failed exactly)"
          echo -e "\n - \u001b[1mSpotless (license headers)\u001b[0m failures on touched java files \033[38;5;255;48;5;0m\u001b[1mcan be automatically fixed by running\u001b[0m:"
          echo -e "   \033[38;5;0;48;5;255m ./gradlew spotlessApply \033[0m"
          echo -e "\n - \u001b[1mAPI Compatibility\u001b[0m failures should be considered carefully and \033[38;5;255;48;5;0m\u001b[1mdiscussed with maintainers in the PR\u001b[0m"
          echo "   If there are failures, the detail should be available in the step's log:"
          echo -e "   Look for the \033[38;5;0;48;5;255m API compatibility failures \033[0m block(s)."
          echo "   Alternatively, locally run the following command to get access to the full report:"
          echo -e "   \033[38;5;0;48;5;255m ./gradlew japicmp \033[0m"
          echo ""
          exit -1
  run-tests:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        test-type:
          - type: core
            arguments: ":reactor-core:test --no-daemon"
          - type: core-java21
            arguments: ":reactor-core:java21Test --no-daemon"
          - type: core-java9
            arguments: ":reactor-core:java9Test --no-daemon"
          - type: other
            arguments: "check -x :reactor-core:test -x :reactor-core:java21Test -x :reactor-core:java9Test -x spotlessCheck -Pjcstress.mode=sanity --no-daemon"
    name: ${{ matrix.test-type.type }} tests
    needs: preliminary
    steps:
    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # tag=v4
    - name: Download Java 9
      if: contains('3.6.x', github.base_ref)
      run: ${GITHUB_WORKSPACE}/.github/setup.sh
      shell: bash
    - name: Setup Java 9
      if: contains('3.6.x', github.base_ref)
      uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # tag=v3
      with:
        distribution: 'jdkfile'
        java-version: 9.0.4
        jdkFile: /opt/openjdk/java9/OpenJDK9U-jdk_x64_linux_hotspot_9.0.4_11.tar.gz
    - name: Setup Java 21
      if: contains('main 3.6.x', github.base_ref)
      uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # tag=v3
      with:
        distribution: 'temurin'
        java-version: 21
    - name: Setup Java 8
      uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # tag=v3
      with:
        distribution: 'temurin'
        java-version: 8
    - name: Setup Gradle
      uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0
    - name: Run Gradle Tests
      run: ./gradlew ${{ matrix.test-type.arguments }}