name: Tests

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

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.10", "3.11", "3.12"]

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: pip install -r requirements.txt

      # The gate's keyboard and layout tests drive real Tk: widget heights and
      # the focus ring come from the font engine, and no mock can answer what
      # they ask. Without a display they do not skip -- they fail, which is how
      # this job stayed red while the tests themselves were fine.
      - name: Install a virtual X display
        run: sudo apt-get update && sudo apt-get install -y xvfb

      - name: Run tests with coverage
        run: xvfb-run -a -s "-screen 0 1600x1200x24" python -m pytest -v