name: CI

on:
  push:
    branches: [ main, master ]
  pull_request:
    branches: [ main, master ]

jobs:
  tests:
    runs-on: ubuntu-latest
    env:
      MPLBACKEND: Agg
      PYTHONPATH: .
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'
          cache: 'pip'

      - name: Install deps (runtime + test)
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install pytest pillow

      - name: Run tests
        run: pytest -q