unit_tests.yml

name: Tests

on: [push, pull_request, workflow_dispatch]

env:
  BUILD_TYPE: RelWithDebInfo

jobs:
  build-test:
    name: Tests (${{ matrix.compiler }} C++${{ matrix.std }} Coverage-${{ matrix.coverage }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        compiler: [ GCC, Clang ]
        coverage: [ OFF, ON ]
        std: [20, 23]
        exclude:
          - coverage: ON
        include:
          - compiler: Clang
          - compiler: GCC
            version: latest
          - compiler: Clang
            std: 23
            coverage: ON

    steps:
    - uses: actions/checkout@v4

    - name: Set up Clang
      if: matrix.compiler == 'Clang'
      env:
        CLANG_VERSION: ${{ vars.CLANG_VERSION }}
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x ./llvm.sh
        sudo ./llvm.sh $CLANG_VERSION all
        sudo ln -f -s /usr/bin/clang-$CLANG_VERSION /usr/local/bin/cc
        sudo ln -f -s /usr/bin/clang++-$CLANG_VERSION /usr/local/bin/c++
        sudo ln -f -s /usr/bin/ld.lld-$CLANG_VERSION /usr/local/bin/ld
        sudo ln -f -s /usr/bin/llvm-profdata-$CLANG_VERSION /usr/local/bin/llvm-profdata
        sudo ln -f -s /usr/bin/llvm-cov-$CLANG_VERSION /usr/local/bin/llvm-cov

    - name: Set up GCC
      if: matrix.compiler == 'GCC'
      uses: egor-tensin/setup-gcc@v1
      with:
        version: ${{ matrix.version }}
        cc: 1

    - name: Configure CMake
      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCODE_COVERAGE=${{ matrix.coverage }} -DCMAKE_CXX_STANDARD=${{ matrix.std }}

    - name: Build
      run: cmake --build ${{github.workspace}}/build --parallel --config ${{env.BUILD_TYPE}}

    - name: Test
      working-directory: ${{github.workspace}}/build
      # Coverage processing seems to be broken when run through ctest
      # run: ctest -C ${{env.BUILD_TYPE}}
      run: ./mays_tests --colour-mode ansi

    - name: Process coverage data
      if: matrix.coverage == 'ON'
      working-directory: ${{github.workspace}}/build
      run: |
        llvm-profdata merge -sparse default.profraw -o coverage.profdata
        llvm-cov show ./mays_tests -instr-profile=coverage.profdata > coverage.txt

    - name: Upload coverage data to Codecov
      uses: codecov/codecov-action@v2
      if: matrix.coverage == 'ON'
      with:
        files: ${{github.workspace}}/build/coverage.txt