name: Test

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      max-parallel: 5
      matrix:
        python-version: [3.5, 3.6, 3.7, 3.8]

    steps:
    - uses: actions/checkout@v2

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

    - name: Get pip cache dir
      id: pip-cache
      run: |
        echo "::set-output name=dir::$(pip cache dir)"

    - name: Cache
      uses: actions/cache@v2
      with:
        path: ${{ steps.pip-cache.outputs.dir }}
        key:
          -${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.py') }}
        restore-keys: |
          -${{ matrix.python-version }}-v1-

    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install --upgrade tox tox-gh-actions

    - name: Tox tests
      run: |
        tox -v

    - name: Upload coverage
      uses: codecov/codecov-action@v1
      with:
        name: Python ${{ matrix.python-version }}
