ci.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - "main"

concurrency:
  group: ${{ github.event_name }}-${{ github.ref }}

jobs:
  build:
    strategy:
      matrix:
        python-version:
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"

    name: "py${{ matrix.python-version }}"
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install poetry
        run: pipx install poetry

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "${{ matrix.python-version }}"
          cache: "poetry"

      - name: Configure Poetry to use Python ${{ matrix.python-version }}
        run: poetry env use "${{ matrix.python-version }}"

      - name: Install deps
        run: poetry install

      - name: Run tests
        run: poetry run pytest
        env:
          COVERAGE_FILE: ".coverage.${{ matrix.python-version }}"

      - name: Store coverage file
        uses: actions/upload-artifact@v3
        with:
          name: coverage
          path: .coverage.${{ matrix.python-version }}

  report-status:
    name: success
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Report success
        if: ${{ needs.build.result != 'success' }}
        run: exit 1

  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v3

      - uses: actions/download-artifact@v3
        id: download
        with:
          name: "coverage"

      - name: Display coverage
        uses: ewjoachim/python-coverage-comment-action@v3
        with:
          MERGE_COVERAGE_FILES: true
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Store Pull Request comment to be posted
        uses: actions/upload-artifact@v3
        with:
          name: python-coverage-comment-action
          path: python-coverage-comment-action.txt