name: Linux
on:
  workflow_dispatch:
  pull_request:
  push:
    branches: [master]
concurrency:
  group: ${{ github.workflow }}-${{ github.job }}-${{ github.ref }}
  cancel-in-progress: true
defaults:
  run:
    shell: bash -e -l {0}
jobs:
  build:
    runs-on: ubuntu-latest
    name: ${{ matrix.sys.compiler }} ${{ matrix.sys.version }}
    strategy:
      fail-fast: false
      matrix:
        sys:
        - {compiler: gcc, version: '9'}
        - {compiler: gcc, version: '10'}
        - {compiler: gcc, version: '11'}
        - {compiler: gcc, version: '12'}
        - {compiler: clang, version: '15'}
        - {compiler: clang, version: '16'}

    steps:

    - name: Setup GCC
      if: ${{ matrix.sys.compiler == 'gcc' }}
      run: |
        GCC_VERSION=${{ matrix.sys.version }}
        sudo apt-get update
        sudo apt-get --no-install-suggests --no-install-recommends install g++-$GCC_VERSION
        CC=gcc-$GCC_VERSION
        echo "CC=$CC" >> $GITHUB_ENV
        CXX=g++-$GCC_VERSION
        echo "CXX=$CXX" >> $GITHUB_ENV

    - name: Setup clang
      if: ${{ matrix.sys.compiler == 'clang' }}
      run: |
        LLVM_VERSION=${{ matrix.sys.version }}
        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add - || exit 1
        if [[ $LLVM_VERSION -ge 13 ]]; then
          sudo add-apt-repository "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-$LLVM_VERSION main" || exit 1
        else
          sudo add-apt-repository "deb http://apt.llvm.org/focal/ llvm-toolchain-focal main" || exit 1
        fi || exit 1
        sudo apt-get update || exit 1
        sudo apt-get --no-install-suggests --no-install-recommends install clang-$LLVM_VERSION || exit 1
        sudo apt-get --no-install-suggests --no-install-recommends install g++-9 g++-9-multilib || exit 1
        sudo ln -s /usr/include/asm-generic /usr/include/asm
        CC=clang-$LLVM_VERSION
        echo "CC=$CC" >> $GITHUB_ENV
        CXX=clang++-$LLVM_VERSION
        echo "CXX=$CXX" >> $GITHUB_ENV

    - name: Checkout code
      uses: actions/checkout@v3

    - name: Set conda environment
      uses: mamba-org/setup-micromamba@v1
      with:
        environment-file: environment-dev.yml
        cache-environment: true

    - name: Configure using CMake
      run: cmake -G Ninja -Bbuild -DCMAKE_INSTALL_PREFIX=$CONDA_PREFIX -DPYTHON_EXECUTABLE=`which python` -DDOWNLOAD_GTEST=ON $(Build.SourcesDirectory)

    - name: Install
      working-directory: build
      run: cmake --install .

    - name: Build
      working-directory: build
      run: cmake --build . --target test_xtensor_python --parallel 8

    - name: Run tests (C++)
      working-directory: build/test
      run: ./test_xtensor_python

    - name: Run tests (Python)
      run: pytest -s

    - name: Example - readme 1
      working-directory: docs/source/examples/readme_example_1
      run: |
        cmake -Bbuild -DPython_EXECUTABLE=`which python`
        cd build
        cmake --build .
        cp ../example.py .
        python example.py

    - name: Example - copy \'cast\'
      working-directory: docs/source/examples/copy_cast
      run: |
        cmake -Bbuild -DPython_EXECUTABLE=`which python`
        cd build
        cmake --build .
        cp ../example.py .
        python example.py

    - name: Example - SFINAE
      working-directory: docs/source/examples/sfinae
      run: |
        cmake -Bbuild -DPython_EXECUTABLE=`which python`
        cd build
        cmake --build .
        cp ../example.py .
        python example.py