ci.yml

name: CI

on:
  pull_request:
  merge_group:
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  check:
    runs-on: ubuntu-22.04

    services:
      postgres:
        image: postgis/postgis
        env:
          POSTGRES_USER: geoengine
          POSTGRES_PASSWORD: geoengine
          POSTGRES_DB: geoengine
        ports:
          - 5432:5432
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    strategy:
      fail-fast: false
      matrix:
        # use all supported versions from https://devguide.python.org/versions/
        python-version: ["3.9", "3.10", "3.11", "3.12"]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Checkout Geo Engine code
        uses: actions/checkout@v4
        with:
          repository: geo-engine/geoengine
          ref: main # TODO: read from .ci_instance
          path: geoengine_backend
      - name: Free Disk Space (Ubuntu)
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: true
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: true
      - name: Install lld & GDAL & Protobuf
        run: |
          sudo apt-get update
          sudo apt-get install lld libgdal-dev gdal-bin build-essential clang curl protobuf-compiler libgeos-dev libproj-dev
          sudo apt-get clean
          export C_INCLUDE_PATH=/usr/include/gdal:$C_INCLUDE_PATH
          export CPLUS_INCLUDE_PATH=/usr/include/gdal:$CPLUS_INCLUDE_PATH
          sudo ldconfig
      - name: Install Rustup
        run: |
          curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused -fsSL "https://sh.rustup.rs" | sh -s -- --profile minimal --default-toolchain none -y
          echo "${CARGO_HOME:-$HOME/.cargo}/bin" >> $GITHUB_PATH
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -e .
          pip install -e .[dev]
      - name: Check Formatting
        run: |
          python -m pycodestyle
      - name: Lint code
        run: |
          python -m pylint geoengine
      - name: Type-check code
        run: |
          python -m mypy geoengine
      - name: Build
        run: python -m build .
      - name: Install test dependencies
        run: |
          pip install -e .[test]
      - name: Lint tests
        run: |
          python -m pylint tests
      - name: Type-check tests
        run: |
          python -m mypy tests
      - name: Test
        run: pytest
        env:
          GEOENGINE_TEST_CODE_PATH: geoengine_backend

  # Checks the library using minimum version resolution
  # `uv` has this feature built-in, c.f. https://github.com/astral-sh/uv
  check-min-version:
    runs-on: ubuntu-22.04

    env:
      # use minimum supported versions from https://devguide.python.org/versions/
      python-version: "3.9"
      # lowest compatible versions for all direct dependencies
      # cf., https://github.com/astral-sh/uv#resolution-strategy
      resolution: "lowest-direct"

    steps:
      - uses: actions/checkout@v3
      - name: APT update
        run: sudo apt-get update
      - name: Install system dependencies
        run: sudo apt-get install libgeos-dev libproj-dev
      - name: Set up Python ${{ env.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.python-version }}
      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install uv

          uv venv
          source .venv/bin/activate

          uv pip install --resolution=${{ env.resolution}} -e .
          uv pip install --resolution=${{ env.resolution}} -e .[dev]
      - name: Build
        run: |
          source .venv/bin/activate
          python -m build .
      - name: Install test dependencies
        run: |
          source .venv/bin/activate
          uv pip install --resolution=${{ env.resolution}} -e .[test]
      - name: Test
        run: |
          source .venv/bin/activate
          pytest