name: testing

on:
  push:
    branches:
      - master
      - 3.0
  pull_request:
    branches:
      - master
      - 3.0

jobs:
  build:

    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: [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: Display Python version
      run: python -c "import sys; print(sys.version)"
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        if [ -f dev-requirements.txt ]; then pip install -r dev-requirements.txt; fi
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
    - name: Test with pytest
      run: |
        python -m pytest -vv