test_mpi.yml

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

name: paralell pytest
jobs:
  py-check:
    runs-on: ${{ matrix.config.os }}
    name: ${{ matrix.config.os }} (${{ matrix.config.py }})
    strategy:
      fail-fast: false
      matrix:
        config:
          - {os: windows-2022, py: '3.12'}
          - {os: macOS-14, py: '3.11'}
          - {os: ubuntu-24.04, py: '3.10'}
          - {os: ubuntu-24.04, py: '3.12'}

    env:
      SDKROOT: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
    steps:
    - name: Cancel Previous Runs
      uses: styfle/cancel-workflow-action@0.11.0
      with:
        access_token: ${{ github.token }}
    - name: Checkout
      uses: actions/checkout@v3
    - name: Setup Python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.config.py }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install .[ci]
    - name: Install MPI (linux)
      if: contains(matrix.config.os, 'ubuntu')
      run: |
        sudo apt-get update
        sudo apt-get install -y mpi-default-dev
        pip install mpi4py
    - name: Download Microsoft MPI
      if: contains(matrix.config.os, 'windows')
      run: (new-object net.webclient).DownloadFile("https://download.microsoft.com/download/a/5/2/a5207ca5-1203-491a-8fb8-906fd68ae623/msmpisetup.exe",
        "msmpisetup.exe")
      shell: powershell
    - name: Install MPI (win)
      if: contains(matrix.config.os, 'windows')
      run: |
        msmpisetup.exe -unattend -minimal
        pip install mpi4py
      shell: cmd
    - name: Install MPI (osx)
      if: contains(matrix.config.os, 'macOS')
      run: |
        brew install openmpi
        pip install mpi4py
    - name: (disabled) run pytest
      if: contains(matrix.config.os, 'windows')
      run: |
        print mpiexec -n 2 pytest
    - name: (disabled) run pytest
      if: ${{ ! contains(matrix.config.os, 'windows') }}
      run: |
        echo mpirun -np 2 pytest