main.yml

---
name: Tests

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

  # Allow job to be triggered manually.
  workflow_dispatch:

# Cancel in-progress jobs when pushing to the same branch.
concurrency:
  cancel-in-progress: true
  group: ${{ github.workflow }}-${{ github.ref }}

jobs:

  tests:

    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: true
      matrix:
        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
        python-version: ["3.8", "3.12"]

    env:
      OS: ${{ matrix.os }}
      PYTHON: ${{ matrix.python-version }}

    name: Python ${{ matrix.python-version }} on OS ${{ matrix.os }}
    steps:

    - name: Acquire sources
      uses: actions/checkout@v4

    - name: Generate locales
      if: runner.os == 'Linux'
      run: |
        sudo apt-get update && sudo apt-get install tzdata locales -y && sudo locale-gen de_DE.UTF-8

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}
        architecture: x64
        cache: 'pip'
        cache-dependency-path: 'pyproject.toml'

    - name: Setup project
      run: |

        # `setuptools 0.64.0` adds support for editable install hooks (PEP 660).
        # https://github.com/pypa/setuptools/blob/main/CHANGES.rst#v6400
        pip install "setuptools>=64" --upgrade

        # Install `wheel` package.
        pip install wheel

        # Install package in editable mode.
        # FIXME: Workaround for installing pendulum 2.x on Python 3.12.
        # https://github.com/sdispater/pendulum/issues/454#issuecomment-654096754
        pip install poetry
        pip install --use-pep517 --prefer-binary --no-build-isolation --editable=.[develop,test]

    - name: Run linter and software tests
      run: |
        poe check

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v4
      env:
        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
      with:
        files: ./coverage.xml
        flags: unittests
        env_vars: OS,PYTHON
        name: codecov-umbrella
        fail_ci_if_error: true