python-package.yml

name: Test package

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

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
          cache: pip
      # The same three tools Codacy runs, so their findings surface here
      # instead of on the dashboard after a push.
      - name: Install package and linters
        run: |
          python -m pip install --upgrade pip
          pip install -e '.[test]' ruff prospector pylint
      - name: Ruff
        run: ruff check .
      - name: Prospector
        run: prospector --messages-only
      - name: Pylint
        run: pylint --rcfile=.pylintrc src/tmplot tests

  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]

    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: |
          python -m pip install --upgrade pip
          python -m pip install '.[test,models]'
          python -m build
          python -m twine check dist/*
      - name: Smoke test built wheel
        run: |
          python -m venv /tmp/tmplot-wheel
          /tmp/tmplot-wheel/bin/pip install dist/*.whl
          /tmp/tmplot-wheel/bin/python -c "import tmplot; print(tmplot.__version__)"
      - name: Testing with pytest and measuring coverage
        run: |
          coverage run --source src -m pytest .
          coverage xml
      # Every matrix job runs the same suite, so one upload is enough. The
      # action ends with a `final` call that closes the commit on Codacy, so
      # uploading from all five would race: the first `final` wins and the
      # rest are dropped.
      - name: Reporting coverage to Codacy
        if: matrix.python-version == '3.12'
        uses: codacy/codacy-coverage-reporter-action@v1
        with:
          project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
          coverage-reports: coverage.xml

  oldest-scikit-learn:
    name: Declared minimum scikit-learn
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Install the oldest supported dependency set
        run: |
          python -m pip install --upgrade pip
          python -m pip install "scikit-learn==1.4.2" "numpy<2" "pandas<2.2" "scipy<1.14" altair ipywidgets IPython tqdm pytest
      - name: Test the version-conditional code paths
        # MDS took `dissimilarity` before scikit-learn 1.9 and `metric` after.
        # These test files need no optional model packages.
        run: python -m pytest tests/test_core_regressions.py tests/test_jaccard.py -q