name: Test

on: [push, pull_request]

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        python-version: [3.6, 3.7, 3.8]
        os: [ubuntu-latest, macOS-latest, windows-latest]

    steps:
      - uses: actions/checkout@v1

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v1
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install --upgrade coverage
          python -m pip install -e ".[d]"

      - name: Unit tests
        run: |
          coverage run tests/test_black.py