ci-linux.yml

name: CI-linux

on:
  - push
  - pull_request

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [3.9, "3.10", "3.11"]

    steps:

    - name: apt install
      run: |
        sudo apt-get update
        sudo apt-get install -y make libfftw3-dev libfftw3-mpi-dev \
          libhdf5-openmpi-dev openmpi-bin libopenmpi-dev \
          libopenblas-dev

    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install nox pdm
        # cython is for coverage
        python -m pip install coverage cython

    - name: Run sequential tests with nox
      run: |
        nox --session "tests(with_cov=True, with_mpi=False)"
        mv .coverage/coverage.xml coverage_without_mpi.xml

    - name: Run parallel tests with nox
      run: |
        nox --session "tests(with_cov=True, with_mpi=True)"
        mv .coverage/coverage.xml coverage_with_mpi.xml

    - name: Produce coverage xml
      run: |
        coverage xml

    - name: Upload coverage to codecov
      if: ${{ success() }}
      uses: codecov/codecov-action@v3
      with:
        token: ${{ secrets.CODECOV_TOKEN }}
        fail_ci_if_error: false # optional (default = false)
        verbose: true # optional (default = false)
        files: coverage_without_mpi.xml,coverage_with_mpi.xml