name: Continuous Integration

on:
  push:
    branches: [ "main" ]
    paths-ignore:
      - 'README.md'
      - 'docs/**'
  pull_request:
    branches: [ "main" ]
    paths-ignore:
      - 'README.md'
      - 'docs/**'

permissions:
  contents: read

jobs:
  build:
    name: Test on ${{ matrix.os }} with Python ${{ matrix.python-version }}
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest]
        python-version: ["3.8", "3.9", "3.10"]

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v3
        with:
          python-version: ${{ matrix.python-version }}

      - name: Cache pip dependencies
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('requirements*.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install flake8 pytest tox tox-gh-actions
          pip install -r requirements.txt
          
      - name: Test with tox
        run: tox