ci.yml

name: Run CI

on: [push, pull_request]

jobs:
  unit-tests:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12-dev", "pypy-3.8", "pypy-3.9", "pypy-3.10"]
        os: [ubuntu-22.04, macOS-latest, windows-latest]

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
    # from https://github.com/actions/cache/blob/main/examples.md#python---pip
    - name: Get pip cache dir
      id: pip-cache
      shell: bash
      run: |
        echo "dir=$(pip cache dir)" >> $GITHUB_OUTPUT
    - name: pip cache
      uses: actions/cache@v3
      with:
        path: ${{ steps.pip-cache.outputs.dir }}
        # the action does not permit updating an existing cache, so we need
        # unique keys
        key: ${{ runner.os }}-${{ matrix.python-version }}-pip-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-${{ matrix.python-version }}-pip-
    - name: Set up environment & install dependencies
      run: |
        python -m pip install pip-tools
        pip-compile --quiet --generate-hashes --extra mainapp > requirements.txt
        python -m pip install --requirement requirements.txt
        python -m pip install .[test]
    - name: Run tests
      run: tox
    - name: Store tested requirements.txt file as artifact
      uses: actions/upload-artifact@v3
      with:
        name: requirements.txt
        path: |
          requirements.txt

  publish-docker-image:
    runs-on: ubuntu-latest
    needs: [unit-tests]
    steps:
      - name: System Dependencies for Packaging
        run: |
          sudo apt-get update
          sudo apt-get install -y python3-pip python3-venv
          python3 -m venv /tmp/tomlq
          /tmp/tomlq/bin/pip install --upgrade pip
          /tmp/tomlq/bin/pip install yq
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set Environment
        run: |
          echo "APP_VERSION=$(/tmp/tomlq/bin/tomlq -r .project.version pyproject.toml)" >> $GITHUB_ENV
          echo "APP_DESC=$(/tmp/tomlq/bin/tomlq -r .project.description pyproject.toml)" >> $GITHUB_ENV
      - name: Retrieve tested requirements file
        uses: actions/download-artifact@v3
        with:
          name: requirements.txt
      - name: Ensure docker build is working
        run: >
          docker build
          --build-arg "APP_VERSION=${APP_VERSION}"
          --build-arg "APP_DESC=${APP_DESC}"
          .