on: [push]
name: CI
jobs:
  build:
    name: Build and test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        python-version: ['3.5', '3.6', '3.7', '3.8', '3.9']
        include:
          - os: ubuntu-18.04
            python-version: '3.4'
            installTyping: ${{ true }}
      fail-fast: false

    steps:
      - name: Checkout
        uses: actions/checkout@v2

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

      - name: Cache pip
        uses: actions/cache@v2
        with:
          # This path is specific to Ubuntu
          path: ~/.cache/pip
          # Look to see if there is a cache hit for the corresponding requirements file
          key: v1-pip-${{ runner.os }}-${{ matrix.python-version }}
          restore-keys: |
            v1-pip-${{ runner.os }}
            v1-pip-

      - name: Install dependencies
        run: |
          pip install pytest
          pip install codecov

      - name: Install typing for old Python
        run: pip install typing
        if: matrix.installTyping

      - name: Build the code
        run: python ./setup.py build_ext -i

      - name: Run tests
        run: python -m pytest tests

      - name: Cleanup
        run: make clean

      - name: Re-build with coverage info
        run: CFLAGS="-coverage" python ./setup.py build_ext -i

      - name: Test with coverage
        run: python -m pytest tests

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v1
        with:
          #files: ./coverage1.xml,./coverage2.xml
          #directory: ./coverage/reports/
          #flags: unittests
          #env_vars: OS,PYTHON
          name: codecov-python-${{ matrix.python-version }}
          #fail_ci_if_error: true
          path_to_write_report: ./codecov_report.txt
          #verbose: true