tests.yml

name: Tests

# Controls when the action will run.
on:
  pull_request:
  push:
    branches: [ $default-branch ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

concurrency:
  group: tests-${{ github.head_ref }}
  cancel-in-progress: true

jobs:
  style-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python 3.8
        uses: actions/setup-python@v5
        with:
          python-version: 3.8
      - name: Install black
        run: pip install black==22.3.0
      - name: Check diff
        run: black --diff --check .
  docs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python 3.9
        uses: actions/setup-python@v5
        with:
          python-version: "3.9"
      - name: Install nox.
        run: python -m pip install nox
      - name: Build the documentation.
        run: nox -s docs
  unit:
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        python: ['3.6', '3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
        variant: ['', 'cpp', 'upb']
        exclude:
          - variant: "cpp"
            python: 3.11
          - variant: "cpp"
            python: 3.12
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python }}
      - name: Install nox
        run: |
          pip install nox
        # Trim the Python version string
      - name: Trim python version
        run: |
          PYTHON_VERSION_TRIMMED=${{ matrix.python }}
          PYTHON_VERSION_TRIMMED=$(echo $PYTHON_VERSION_TRIMMED | cut -c1-4)
          echo "PYTHON_VERSION_TRIMMED=$PYTHON_VERSION_TRIMMED" >> $GITHUB_ENV
      - name: Run unit tests
        env:
          COVERAGE_FILE: .coverage-${{ matrix.variant }}-${{ env.PYTHON_VERSION_TRIMMED }}
        run: |
          nox -s unit${{ matrix.variant }}-${{ env.PYTHON_VERSION_TRIMMED }}
      - name: Upload coverage results
        uses: actions/upload-artifact@v4
        with:
          name: coverage-artifact-${{ matrix.variant }}-${{ env.PYTHON_VERSION_TRIMMED }}
          path: .coverage-${{ matrix.variant }}-${{ env.PYTHON_VERSION_TRIMMED }}
  cover:
    runs-on: ubuntu-latest
    needs:
        - unit
    steps:
    - name: Checkout
      uses: actions/checkout@v4
    - name: Setup Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.10"
    - name: Install coverage
      run: |
        python -m pip install --upgrade setuptools pip wheel
        python -m pip install coverage
    - name: Download coverage results
      uses: actions/download-artifact@v4
      with:
        path: .coverage-results/
    - name: Report coverage results
      run: |
        find .coverage-results -type f -name '*.zip' -exec unzip {} \;
        coverage combine .coverage-results/**/.coverage*
        coverage report --show-missing --fail-under=100