# Test on Ubuntu with various compiler and language standard versions.
name: Test Ubuntu

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        python-version: ['3.14']
        cxx: [g++, clang++]
        std: [c++11, c++14, c++17]
        include:
          # Also test with free-threaded build of Python
          - python-version: '2.7'
            cxx: g++
            std: c++11
          - python-version: '3.14t'
            cxx: clang++
            std: c++17

    container:
      # Add the appropriate docker image for the compiler.
      # The images from teeks99/boost-python-test already have boost::python
      # pre-reqs installed, see:
      # https://github.com/teeks99/boost-python-test-docker
      image: ${{ matrix.cxx == 'g++' &&
        'teeks99/boost-python-test:gcc-15_1.89.0' ||
        'teeks99/boost-python-test:clang-21_1.89.0' }}

    steps:
    - uses: actions/checkout@v5
    - name: setup python
      if: "${{ matrix.python-version  != '2.7' }}"
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}
    - name: setup prerequisites
      run: |
        # Warning: this is not necessarily the same Python version as the one configured above !
        python3 -m pip install -U faber --break-system-packages
        echo "CXX=${{ matrix.cxx }}" >> "$GITHUB_ENV"
        echo "CXX_STD=${{ matrix.std }}" >> "$GITHUB_ENV"
    - name: build
      if: "${{ matrix.python-version  != '2.7' }}"
      run: |
        .github/run-faber.sh
    - name: build
      if: "${{ matrix.python-version  == '2.7' }}"
      run: |
        python --version
        echo ${BOOST_PY_DEPS}
        ${{ matrix.cxx }} --version
        faber -v
        sed -e "s/\$PYTHON/python/g" .ci/faber > ~/.faber
        faber \
          --with-boost-include=${BOOST_PY_DEPS} \
          --builddir=build \
          cxx.name=${{ matrix.cxx }} \
          cxxflags=-std=${{ matrix.std }} \
          cppflags=-std=${{ matrix.std }} \
          -j`nproc`
    - name: test
      if: "${{ matrix.python-version  != '2.7' }}"
      run: |
        .github/run-faber.sh test.report
    - name: test
      if: "${{ matrix.python-version  == '2.7' }}"
      run: |
        faber \
          --debug \
          --with-boost-include=${BOOST_PY_DEPS} \
          --builddir=build \
          cxx.name=${{ matrix.cxx }} \
          cxxflags=-std=${{ matrix.std }} \
          cppflags=-std=${{ matrix.std }} \
          -j`nproc` \
          test.report