main.yml

name: CI

on:
  push:
    branches:
    - master
  pull_request:

jobs:
  linting:
    name: Linting
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: "3.11"
      - uses: pre-commit/action@v2.0.3

  tests:
    name: Python ${{ matrix.python-version }}
    runs-on: ubuntu-latest

    strategy:
      max-parallel: 5
      matrix:
        python-version:
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
#          - "3.12"  # Enable when we get rid of setuptools

    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: Upgrade packaging tools
        run: python -m pip install --upgrade pip setuptools virtualenv
      - name: Install dependencies
        run: python -m pip install --upgrade tox
      - name: Run tox targets for ${{ matrix.python-version }}
        run: |
          ENV_PREFIX=$(tr -C -d "0-9" <<< "${{ matrix.python-version }}")
          TOXENV=$(tox --listenvs | grep "^py$ENV_PREFIX" | tr '\n' ',') python -m tox
      - uses: actions/upload-artifact@v3
        with:
          name: coverage-files
          path: ./.coverage.*

  coverage:
    name: Reporting Coverage
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && (github.event.action == 'opened' || github.event.action == 'reopened' || github.event.action == 'synchronize')
    needs: [tests]
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: "3.11"
      - uses: actions/download-artifact@v3
        with:
          name: coverage-files
          path: .
      - name: Combine coverage reports
        run: |
          python -m pip install coverage
          make coverage-lcov
      - name: Upload coverage report
        uses: coverallsapp/github-action@1.1.3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          path-to-lcov: "./coverage.info"