tests.yml

name: Run tests with tox

on:
  - push
  - pull_request

jobs:
  build:
    runs-on: '${{ matrix.os }}'
    # https://wildwolf.name/github-actions-how-to-avoid-running-the-same-workflow-multiple-times/
    if: >
      github.event_name != 'pull_request'
      || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    strategy:
      matrix:
        # Not all Python versions are available for linux AND x64
        # https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json
        os: ['ubuntu-latest']
        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
        extra: ['', '-smtp']
        # The forced pytest versions correspond with the lower bounds in tox.ini
        pytest-version: ['', '--force-dep pytest==4', '--force-dep pytest==6.2.4']
        include:
        - os: 'ubuntu-20.04'
          python-version: '3.5'
          pytest-version: ''
        - os: 'ubuntu-20.04'
          python-version: '3.5'
          pytest-version: '--force-dep pytest==4'
        - os: 'ubuntu-20.04'
          python-version: '3.6'
        exclude:
        - python-version: '3.10'
          pytest-version: '--force-dep pytest==4'
        - python-version: '3.11'
          pytest-version: '--force-dep pytest==4'
        - python-version: '3.12'
          pytest-version: '--force-dep pytest==4'
      fail-fast: false

    steps:
    - uses: actions/checkout@v1
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
        allow-prereleases: true
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install tox
    - name: Test with tox
      run: tox -vv -e py${{ matrix.extra }} ${{ matrix.pytest-version }}