Poetry Downstream Tests workflow (python-poetry/poetry-core)

name: Poetry Downstream Tests
 
on:
  workflow_dispatch:
  pull_request: {}
  push:
    branches: [main]
 
permissions: {}
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  tests:
    timeout-minutes: 30
    name: ${{ matrix.ref }}
    runs-on: latchkey-small
    strategy:
      matrix:
        ref: ["main"]
      fail-fast: false
    defaults:
      run:
        shell: bash
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
          path: poetry-core
 
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
          path: poetry
          repository: python-poetry/poetry
          ref: ${{ matrix.ref }}
 
      - name: Set up Python 3.10
        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
        with:
          cache: 'pip'
          python-version: "3.10"
 
      - name: Get full python version
        id: full-python-version
        run: echo version=$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))") >> $GITHUB_OUTPUT
 
      - name: Set up Poetry
        run: |
          pip install poetry
          poetry config virtualenvs.in-project true
 
      - name: Set up cache
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        id: cache
        with:
          path: ./poetry/.venv
          key: venv-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}
 
      - name: Ensure cache is healthy
        if: steps.cache.outputs.cache-hit == 'true'
        working-directory: ./poetry
        run: timeout 10s poetry run pip --version >/dev/null 2>&1 || rm -rf .venv
 
      - name: Switch downstream to development poetry-core
        working-directory: ./poetry
        run: |
          # remove poetry-core from main group to avoid version conflicts
          # with a potential entry in the test group
          poetry remove poetry-core
          # add to test group to overwrite a potential entry in that group
          poetry add --lock --group test ../poetry-core
 
      - name: Install downstream dependencies
        working-directory: ./poetry
        run: |
          # force update of directory dependency in cached venv
          # (even if directory dependency with same version is already installed)
          poetry run pip uninstall -y poetry-core
          poetry install
 
      # TODO: mark run as success even when this fails and add comment to PR instead
      - name: Run downstream test suite
        working-directory: ./poetry
        run: poetry run pytest