python-test.yml

name: Python test

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
    build:
        strategy:
          matrix:
            os: ["ubuntu-latest", "macos-latest"]
            python-version: [ "3.9", "3.10", "3.11", "3.12" ]
            mpi: [ "openmpi" ]  # "mpich", "intelmpi"
#            exclude:
#              - os: "macos-latest"
#                mpi: "intelmpi"

        runs-on: ${{ matrix.os }}

        steps:
          - name: Check out repository
            uses: actions/checkout@v4

          - name: Setup MPI ${{ matrix.mpi }}
            uses: mpi4py/setup-mpi@v1
            with:
              mpi: ${{ matrix.mpi }}

          - name: Set up Python ${{ matrix.python-version }}
            uses: actions/setup-python@v5
            with:
              python-version: ${{ matrix.python-version }}

          - name: Install dependencies
            run: |
                python -m pip install --upgrade pip
                pip install ."[test]"

          - name: Test with pytest and measure coverage
            run: |
              coverage run --rcfile=./pyproject.toml -m pytest
              mpirun -n 8 coverage run --rcfile=./pyproject.toml -m mpi4py -m pytest --with-mpi
              coverage combine
              coverage report -m --format markdown > cov_report.txt
              coverage xml

          - name: Upload coverage reports to Codecov
            uses: codecov/codecov-action@v4.0.1
            with:
              token: ${{ secrets.CODECOV_TOKEN }}

          - name: Post coverage report to PR
            uses: marocchino/sticky-pull-request-comment@v2
            with:
              path: cov_report.txt