test_build.yml

---
name: Test build
on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
jobs:
  changes:
    name: Detect changes
    runs-on: ubuntu-latest
    outputs:
      cpp: ${{ steps.filter.outputs.cpp }}
      cpp_tests: ${{ steps.filter.outputs.cpp_tests }}
      python: ${{ steps.filter.outputs.python }}
      python_tests: ${{ steps.filter.outputs.python_tests }}
      any: ${{ steps.filter.outputs.any }}
    steps:
      - name: Look up Git repository in cache
        uses: actions/cache/restore@v4
        with:
          path: .git/
          key: test-build-cache-git-${{ github.run_id }}
          restore-keys: |
            test-build-cache-git
      - name: Checkout
        uses: actions/checkout@v4
      - name: Detect changes
        uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            build_files: &build_files
              - '.github/workflows/test_build.yml'
              - 'build'
              - 'build.bat'
              - 'scons/**'
            cpp: &cpp
              - *build_files
              - 'cpp/**/include/**'
              - 'cpp/**/src/**'
              - '**/*.pxd'
              - '**/*.pyx'
              - '**/meson.build'
            cpp_tests: &cpp_tests
              - *cpp
              - 'cpp/**/test/**'
            python: &python
              - *build_files
              - 'python/requirements.txt'
              - 'python/**/mlrl/**'
            python_tests: &python_tests
              - *python
              - *cpp_tests
              - 'python/**/tests/**' 
            any:
              - *cpp_tests
              - *python_tests
      - name: Save Git repository to cache
        uses: actions/cache/save@v4
        if: success() || failure()
        with:
          path: .git/
          key: test-build-cache-git-${{ github.run_id }}
  linux_build:
    needs: changes
    if: ${{ needs.changes.outputs.any == 'true' }}
    name: Test Linux build
    runs-on: ubuntu-latest
    steps:
      - name: Look up Git repository in cache
        uses: actions/cache/restore@v4
        with:
          path: .git/
          key: test-build-cache-git-${{ github.run_id }}
          restore-keys: |
            test-build-cache-git
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version-file: .version-python
      - name: Install OpenCL
        run: |
          sudo apt update
          sudo apt install -y opencl-headers ocl-icd-opencl-dev
      - name: Install GoogleTest
        run: sudo apt install -y googletest
      - name: Prepare ccache
        uses: hendrikmuhs/ccache-action@v1
        with:
          key: ${{ runner.os }}-test-build-ccache
      - name: Compile via GCC
        if: ${{ needs.changes.outputs.cpp == 'true' }}
        run: TEST_SUPPORT=enabled ./build compile_cpp
      - name: Test C++ code
        if: ${{ needs.changes.outputs.cpp_tests == 'true' }}
        run: ./build tests_cpp
      - name: Publish C++ test results
        if: ${{ needs.changes.outputs.cpp_tests == 'true' }} && (success() || failure())
        uses: EnricoMi/publish-unit-test-result-action@v2
        with:
          check_name: C++ Test Results
          files: |
            cpp/build/meson-logs/testlog.junit.xml
      - name: Test Python code
        if: ${{ needs.changes.outputs.python_tests == 'true' }}
        run: ./build tests_python
      - name: Publish Python test results
        if: ${{ needs.changes.outputs.python_tests == 'true' }} && (success() || failure())
        uses: EnricoMi/publish-unit-test-result-action@v2
        with:
          check_name: Python Test Results
          files: |
            python/build/test-results/*.xml
  macos_build:
    needs: changes
    if: ${{ needs.changes.outputs.cpp == 'true' }}
    name: Test MacOS build
    runs-on: macos-latest
    steps:
      - name: Look up Git repository in cache
        uses: actions/cache/restore@v4
        with:
          path: .git/
          key: test-build-cache-git-${{ github.run_id }}
          restore-keys: |
            test-build-cache-git
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version-file: .version-python
      - name: Install OpenMP
        run: brew install libomp
      - name: Install OpenCL
        run: brew install opencl-clhpp-headers
      - name: Prepare ccache
        uses: hendrikmuhs/ccache-action@v1
        with:
          key: ${{ runner.os }}-test-build-ccache
      - name: Compile via Clang
        run: TEST_SUPPORT=disabled CPLUS_INCLUDE_PATH=/opt/homebrew/opt/libomp/include/:/opt/homebrew/opt/opencl-clhpp-headers/include/
          LIBRARY_PATH=/opt/homebrew/opt/libomp/lib/ ./build compile
  windows_build:
    needs: changes
    if: ${{ needs.changes.outputs.cpp == 'true' }}
    name: Test Windows build
    runs-on: windows-latest
    env:
      SCCACHE_GHA_ENABLED: 'true'
    steps:
      - name: Look up Git repository in cache
        uses: actions/cache/restore@v4
        with:
          enableCrossOsArchive: true
          path: .git/
          key: test-build-cache-git-${{ github.run_id }}
          restore-keys: |
            test-build-cache-git
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version-file: .version-python
      - name: Prepare MSVC
        uses: ilammy/msvc-dev-cmd@v1
      - name: Install OpenCL
        uses: johnwason/vcpkg-action@v6
        with:
          pkgs: opencl
          triplet: x64-windows
          token: ${{ github.token }}
      - name: Prepare sccache
        uses: mozilla-actions/sccache-action@v0.0.5
      - name: Compile via MSVC
        run: |-
          $env:TEST_SUPPORT = "disabled"
          $env:INCLUDE += ";$($pwd.Path)\vcpkg\packages\opencl_x64-windows\include"
          $env:LIB += ";$($pwd.Path)\vcpkg\packages\opencl_x64-windows\lib"
          ./build.bat compile