ci.yml

name: CI

# Trigger the workflow on push or pull request,
# but only for the master branch
on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      # Don't immediately kill all if one Python version fails
      fail-fast: false
      matrix:
        python-version: ['3.9', '3.10', '3.11', '3.12']
    env:
      CC: mpicc
      PETSC_DIR: ${{ github.workspace }}/petsc
      PETSC_ARCH: default
      PETSC_CONFIGURE_OPTIONS: --with-debugging=1 --with-shared-libraries=1 --with-c2html=0 --with-fortran-bindings=0
      RDMAV_FORK_SAFE: 1
      PYOP2_CI_TESTS: 1
    timeout-minutes: 60

    steps:
      - name: Setup tmate session
        uses: mxschmitt/action-tmate@v3
        with:
          detached: true
          limit-access-to-actor: true
        timeout-minutes: 15

      - name: Install system dependencies
        shell: bash
        run: |
          sudo apt update
          sudo apt install build-essential mpich libmpich-dev \
              libblas-dev liblapack-dev gfortran

      - name: Set correct Python version
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}

      - name: Clone PETSc
        uses: actions/checkout@v2
        with:
          repository: firedrakeproject/petsc
          path: ${{ env.PETSC_DIR }}

      - name: Build and install PETSc
        shell: bash
        working-directory: ${{ env.PETSC_DIR }}
        run: |
          ./configure ${PETSC_CONFIGURE_OPTIONS}
          make

      - name: Build and install petsc4py
        shell: bash
        working-directory: ${{ env.PETSC_DIR }}/src/binding/petsc4py
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade wheel cython numpy
          python -m pip install --no-deps .

      - name: Checkout PyOP2
        uses: actions/checkout@v2
        with:
          path: PyOP2

      - name: Install PyOP2 dependencies
        shell: bash
        working-directory: PyOP2
        run: |
          # xargs is used to force installation of requirements in the order we specified.
          xargs -l1 python -m pip install < requirements-ext.txt
          xargs -l1 python -m pip install < requirements-git.txt
          python -m pip install pulp
          python -m pip install -U flake8
          python -m pip install -U pytest-timeout

      - name: Install PyOP2 (Python <3.12)
        if: ${{ matrix.python-version != '3.12' }}
        shell: bash
        working-directory: PyOP2
        run: python -m pip install .

        # Not sure if this is a bug in setuptools or something PyOP2 is doing wrong
      - name: Install PyOP2 (Python == 3.12)
        if: ${{ matrix.python-version == '3.12' }}
        shell: bash
        working-directory: PyOP2
        run: |
          python -m pip install -U setuptools
          python setup.py install

      - name: Run linting
        shell: bash
        working-directory: PyOP2
        run: make lint

      - name: Run tests
        shell: bash
        working-directory: PyOP2
        run: |
          # Running parallel test cases separately works around a bug in pytest-mpi
          pytest -k "not parallel" --tb=native --timeout=480 --timeout-method=thread -o faulthandler_timeout=540 -v test
          mpiexec -n 3 pytest -k "parallel[3]" --tb=native --timeout=480 --timeout-method=thread -o faulthandler_timeout=540 -v test
        timeout-minutes: 10

      - name: Build documentation
        if: ${{ matrix.python-version == '3.10' }}
        shell: bash
        working-directory: PyOP2
        run: |
          python -m pip install sphinx
          make -C doc/sphinx html
      - name: Upload to github pages
        if: ${{ github.ref == 'refs/heads/master' && github.event_name == 'push' && matrix.python-version== '3.10' }}
        uses: crazy-max/ghaction-github-pages@v2.2.0
        with:
          build_dir: PyOP2/doc/sphinx/build/html
          jekyll: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}