conda.yml

name: Conda install

on:
  # Uncomment the below 'push' to trigger on push
  #push:
  #  branches:
  #     - "**"
  schedule:
    # '*' is a special character in YAML, so string must be quoted
    - cron: "0 2 * * WED"
  workflow_dispatch: ~

jobs:
  conda-install:
    name: Install and test
    strategy:
      matrix:
        os: [ubuntu-latest, macos-13, macos-14, windows-2022]
        python-version: ["3.9", "3.10", "3.11", "3.12"]
        petsc-scalar-type: ["real"]
        include:
          - os: ubuntu-latest
            python-version: "3.12"
            petsc-scalar-type: "complex"
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30
    # This is necessary to ensure conda environment is activated in every step.
    defaults:
      run:
        shell: bash -el {0}

    steps:
      - uses: conda-incubator/setup-miniconda@v3
        with:
          auto-update-conda: true
          python-version: ${{ matrix.python-version }}
      
      # TODO: These could probably be merged into one cross-platform step.
      - name: Install DOLFINx with MPICH (Unix-like)
        if: ${{ runner.os == 'macOS' || runner.os == 'Linux' }}
        run: |
          conda install -c conda-forge fenics-dolfinx mpich petsc=*=${{ matrix.petsc-scalar-type }}*
      - name: Install DOLFINx (Windows)
        if: ${{ runner.os == 'Windows' }}
        run: |
          conda install -c conda-forge fenics-dolfinx
      
      - name: Test (Unix-like)
        if: ${{ runner.os == 'macOS' || runner.os == 'Linux' }}
        run: |
          conda info
          conda list
          mpiexec --version
          mpiexec -v -np 1 python -c "from mpi4py import MPI; import dolfinx; dolfinx.mesh.create_rectangle(comm=MPI.COMM_WORLD, points=((0, 0), (2, 1)), n=(32, 16))"
          mpiexec -v -np 2 python -c "from mpi4py import MPI; import dolfinx; dolfinx.mesh.create_rectangle(comm=MPI.COMM_WORLD, points=((0, 0), (2, 1)), n=(32, 16))"
 
      # NOTE: Late 2024, Intel MPI is only correctly setup using cmd.exe.
      - name: Test (Windows)
        if: ${{ runner.os == 'Windows' }}
        shell: cmd /C CALL {0}
        run: |
          conda info
          conda list
          mpiexec --version
          mpiexec -v -np 1 python -c "from mpi4py import MPI; import dolfinx; dolfinx.mesh.create_rectangle(comm=MPI.COMM_WORLD, points=((0, 0), (2, 1)), n=(32, 16))"
          mpiexec -v -np 2 python -c "from mpi4py import MPI; import dolfinx; dolfinx.mesh.create_rectangle(comm=MPI.COMM_WORLD, points=((0, 0), (2, 1)), n=(32, 16))"