ci.yml

name: CI

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

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

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

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

      - name: Install Poetry
        uses: snok/install-poetry@v1
        with:
          virtualenvs-create: true
          virtualenvs-in-project: true
          installer-parallel: true

      - name: Cache Poetry virtualenv
        id: cached-poetry-dependencies
        uses: actions/cache@v4
        with:
          path: .venv
          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}

      - name: Install dependencies (no root)
        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
        run: poetry install --no-interaction --no-root

      - name: Install package
        run: poetry install --no-interaction --only-root

      - name: Create data directories
        run: mkdir -p data/processed data/raw data/derived

      - name: Ensure dev tools installed
        run: poetry run python -c "import black, ruff, pytest"

      - name: Cache pre-commit
        uses: actions/cache@v4
        with:
          path: ~/.cache/pre-commit
          key: pre-commit-${{ runner.os }}-${{ hashFiles('.pre-commit-config.yaml') }}

      - name: Run pre-commit
        run: poetry run pre-commit run --all-files

      - name: Run tests
        run: poetry run pytest -q

      - name: Initialize DVC if needed
        run: |
          if [ ! -d .dvc ]; then
            poetry run dvc init --no-scm
          fi

      - name: Run DVC pipeline (smoke)
        run: poetry run dvc repro --force