ci.yml

name: CI

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

# Cancel an in-flight run for a branch when a new commit is pushed.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: ruff
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
          cache: pip
      - name: Install ruff
        run: pip install ruff
      - name: ruff check
        run: ruff check .

  test:
    name: pytest (Python ${{ matrix.python-version }})
    needs: lint
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.11", "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 }}
          cache: pip

      - name: Install eddy
        run: |
          python -m pip install --upgrade pip
          pip install -e ".[test]"

      # The pytest smoke suite reuses FITS files that live in
      # docs/tutorials/ but are gitignored. Cache them across runs so
      # we only download once per matrix entry per cache key.
      - name: Cache tutorial FITS fixtures
        id: cache-fits
        uses: actions/cache@v4
        with:
          path: docs/tutorials/*.fits
          key: tutorial-fits-v1

      - name: Download tutorial FITS fixtures
        if: steps.cache-fits.outputs.cache-hit != 'true'
        working-directory: docs/tutorials
        run: |
          set -euo pipefail
          base="https://dataverse.harvard.edu/api/access/datafile"
          curl -fsSL -o HD163296_CO_v0.fits \
            "${base}/:persistentId?persistentId=doi:10.7910/DVN/C2ZUNO/AWCSZR"
          curl -fsSL -o HD163296_CO_dv0.fits \
            "${base}/:persistentId?persistentId=doi:10.7910/DVN/C2ZUNO/NGOW49"
          curl -fsSL -o TWHya_CO_cube.fits \
            "${base}/:persistentId?persistentId=doi:10.7910/DVN/PXDKBC/QULHRK"
          curl -fsSL -o TWHya_CO_cube_v0.fits \
            "${base}/:persistentId?persistentId=doi:10.7910/DVN/KXELJL/VPLAM7"

      - name: Verify fixtures present
        working-directory: docs/tutorials
        run: |
          set -euo pipefail
          for f in HD163296_CO_v0.fits HD163296_CO_dv0.fits \
                  TWHya_CO_cube.fits TWHya_CO_cube_v0.fits; do
            test -s "$f" || { echo "missing fixture: $f"; exit 1; }
          done
          ls -lh *.fits

      - name: Run pytest
        env:
          # Force JAX onto CPU for deterministic CI; JIT compile noise
          # otherwise dominates the per-test timing.
          JAX_PLATFORMS: cpu
        run: pytest -v --tb=short