test.yml

name: test

on:
  push:
    branches:
      - main
  pull_request:
  merge_group:

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read

env:
  MINIMUM_PYTHON_VERSION: "3.8"

jobs:

  coverage:
    # This action runs tests for coverage collection and uploads them to codecov.io.
    # This requires the secret `CODECOV_TOKEN` be set as secret on GitHub, both for 
    # Actions and Dependabot

    name: "${{ matrix.os }} / ${{ matrix.python-version }} / coverage"
    strategy:
      max-parallel: 4
      fail-fast: false
      matrix:
        os: [ubuntu] 
        python-version:
          # remove the unused versions
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
          # - "3.12"

    runs-on: ${{ matrix.os }}-latest
    env:
      OS: ${{ matrix.os }}-latest
      PYTHON: ${{ matrix.python-version }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - name: Set up the environment
        uses: pdm-project/setup-pdm@v4
        id: setup-python
        with:
          python-version: ${{ matrix.python-version }}
      
      - name: Load cached venv
        id: cached-venv
        uses: actions/cache@v4
        with:
          path: .venv
          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/pyproject.toml') }}-${{ hashFiles('.github/workflows/test.yml') }}
  
      - name: Install dependencies
        if: steps.cached-venv.outputs.cache-hit != 'true'
        run: make install-dev
     
      - name: Run tests for coverage
        run: make test-w-coverage cov_report=xml

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

  minimal:
    # This action chooses the oldest version of the dependencies permitted by Cargo.toml to ensure
    # that this crate is compatible with the minimal version that this crate and its dependencies
    # require. This will pickup issues where this create relies on functionality that was introduced
    # later than the actual version specified (e.g., when we choose just a major version, but a
    # method was added after this version).
    #
    
    runs-on: ubuntu-latest
    name: ubuntu / 3.8 / minimal-versions
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true
      - name: Set up the environment
        uses: pdm-project/setup-pdm@v4
        id: setup-python
        with:
          python-version: ${{ env.MINIMUM_PYTHON_VERSION }}
      
      - name: pdm lock --strategy direct_minimal_versions
        run: pdm lock --strategy direct_minimal_versions
      - name: pdm sync --dev
        run: pdm sync --dev
      - name: make test
        run: make test
  
  # https://github.com/marketplace/actions/alls-green#why used for branch protection checks
  test-check:
    if: always()
    needs: 
      - coverage
      - minimal
    runs-on: ubuntu-latest
    permissions: {}
    steps:
      - name: Decide whether the needed jobs succeeded or failed
        uses: re-actors/alls-green@release/v1
        with:
          jobs: ${{ toJSON(needs) }}