name: Conda-based pytest

on: [push, pull_request]

jobs:
  test-linux-conda:
    name: >
      Py${{ matrix.python-version }};
      ${{ matrix.slycot || 'no' }} Slycot;
      ${{ matrix.pandas || 'no' }} Pandas;
      ${{ matrix.cvxopt || 'no' }} CVXOPT
      ${{ matrix.mplbackend && format('; {0}', matrix.mplbackend) }}
    runs-on: ubuntu-latest

    strategy:
      max-parallel: 5
      fail-fast: false
      matrix:
        python-version: ['3.10', '3.12']
        slycot: ["", "conda"]
        pandas: [""]
        cvxopt: ["", "conda"]
        mplbackend: [""]
        include:
          - python-version: '3.12'
            slycot: conda
            pandas: conda
            cvxopt: conda
            mplbackend: QtAgg

    steps:
    - uses: actions/checkout@v3

    - name: Setup Conda
      uses: conda-incubator/setup-miniconda@v3
      with:
        python-version: ${{ matrix.python-version }}
        activate-environment: test-env
        environment-file: .github/conda-env/test-env.yml
        miniforge-version: latest
        channels: conda-forge,defaults
        channel-priority: strict
        auto-update-conda: false
        auto-activate-base: false

    - name: Install optional dependencies
      shell: bash -l {0}
      run: |
        if [[ '${{matrix.cvxopt}}' == 'conda' ]]; then
          mamba install cvxopt
        fi
        if [[ '${{matrix.slycot}}' == 'conda' ]]; then
          mamba install slycot
        fi
        if [[ '${{matrix.pandas}}' == 'conda' ]]; then
          mamba install pandas
        fi
        if [[ '${{matrix.mplbackend}}' == 'QtAgg' ]]; then
          mamba install pyqt
        fi

    - name: Test with pytest
      shell: bash -l {0}
      env:
        MPLBACKEND: ${{ matrix.mplbackend }}
      run: |
        pytest -v --cov=control --cov-config=.coveragerc control/tests
        coverage xml

    - name: report coverage
      uses: coverallsapp/github-action@v2
      with:
        flag-name: conda-pytest_py${{ matrix.python-version }}_${{ matrix.slycot || 'no' }}-Slycot_${{ matrix.pandas || 'no' }}-Pandas_${{ matrix.cvxopt || 'no' }}_CVXOPT-${{ matrix.mplbackend && format('; {0}', matrix.mplbackend) }}
        parallel: true
        file: coverage.xml

  coveralls-final:
    name: Finalize parallel coveralls
    if: always()
    needs:
      - test-linux-conda
    runs-on: ubuntu-latest
    steps:
    - name: Coveralls Finished
      uses: coverallsapp/github-action@v2
      with:
        parallel-finished: true