test.yml

name: Test

on: [push]

jobs:
  tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        image:
          - 'python:2.7-buster'
          - 'python:3.6-bullseye'
          - 'python:3.7-bookworm'
          - 'python:3.8-bookworm'
          - 'python:3.9-bookworm'
          - 'python:3.10-bookworm'
          - 'python:3.11-bookworm'
          - 'python:3.12-bookworm'
    container:
      image: ${{ matrix.image }}
    steps:
    - uses: actions/checkout@v3
    - name: Set environment variables
      run: |
        echo "PYTHON=$(echo '${{ matrix.image }}' | sed -r 's/^python:([0-9]+)\.([0-9]+).*$/\1.\2/g')" >> $GITHUB_ENV
        echo "TOXFACTOR=$(echo '${{ matrix.image }}' | sed -r 's/^python:([0-9]+)\.([0-9]+).*$/py\1\2/g')" >> $GITHUB_ENV
    - name: Install importlib-metadata for older Python versions
      run: pip install "importlib-metadata<3"
      if: >-
        matrix.image == 'python:2.7-buster' ||
        matrix.image == 'python:3.6-bullseye' ||
        matrix.image == 'python:3.7-bookworm'
    - name: Install test utilities
      run: pip install "tox<4" tox-factor "coverage<5"
    - name: Lint with flake8
      run: tox -e flake8
      if: matrix.image == 'python:3.12-bookworm'
    - name: Test via tox
      run: tox -- -p no:warnings
    - name: Generate coverage report
      run: coverage html
      if: ${{ success() }}
    - name: Upload coverage data
      uses: actions/upload-artifact@v3
      with:
        name: coverage
        path: htmlcov
        if-no-files-found: ignore
      if: ${{ success() }}