ci.yml

name: CI

on:
  push:
    branches:
      - master
      - 'feature/**'
      - 'hotfix/**'
    tags:
      - '**'
  pull_request: {}

jobs:
  lints:
    name: Code lints
    runs-on: ubuntu-latest
    steps:
      #----------------------------------------------
      #       check-out repo and set-up python
      #----------------------------------------------
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: 3.8
      #----------------------------------------------
      #        load pip cache if cache exists
      #----------------------------------------------
      - uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip
          restore-keys: ${{ runner.os }}-pip
      #----------------------------------------------
      #          install and run linters
      #----------------------------------------------
      - run: python -m pip install black flake8 isort
      - run: |
          flake8 .
          black . --check
          isort .

  tests:
    needs: [lints]
    name: Test python ${{ matrix.python-version }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ['3.7', '3.8', '3.9', 'pypy-3.7']
    env:
      PYTHONPATH: .
      PYTHON: ${{ matrix.python-version }}

    steps:
      #----------------------------------------------
      #    check-out repo and set-up environment
      #----------------------------------------------
      - uses: actions/checkout@v2
      - name: Set up python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - uses: snok/install-poetry@v1.1.2
        with:
          virtualenvs-create: true
          virtualenvs-in-project: true
      #----------------------------------------------
      #       setup only test dependencies
      #----------------------------------------------
      - name: Remove lint dependencies
        run: |
          mv pyproject.toml ~pyproject.toml
          cat ~pyproject.toml | sed '/^black =/d' | sed '/^isort =/d'| sed '/^flake8[a-zA-Z-]* =/d' > pyproject.toml
      - name: Install dependencies
        run: poetry install --no-interaction --no-root
      #----------------------------------------------
      #        run tests with code coverage
      #----------------------------------------------
      - name: Run tests
        run: |
          source .venv/bin/activate
          pytest --cov
        env:
          COVERAGE_FILE: coverage/.coverage.py${{ matrix.python-version }}
      #----------------------------------------------
      #             store code coverage
      #----------------------------------------------
      - name: Store coverage files
        uses: actions/upload-artifact@v2
        with:
          name: coverage
          path: coverage

  coverage-upload:
    needs: [tests]
    name: Coverage upload
    runs-on: ubuntu-latest
    steps:
      #----------------------------------------------
      #              setup environment
      #----------------------------------------------
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: 3.8
      - name: Setup depdendencies
        run: pip install coverage
      #----------------------------------------------
      #            prepare coverage data
      #----------------------------------------------
      - name: Get coverage files
        uses: actions/download-artifact@v2
        with:
          name: coverage
          path: coverage
      - name: Combine coverage files
        run: |
          coverage combine coverage
          coverage report
          coverage xml
      #----------------------------------------------
      #             upload code coverage
      #----------------------------------------------
      - name: Upload coverage
        uses: codecov/codecov-action@v1
        with:
          file: ./coverage.xml
          fail_ci_if_error: true

  build-deploy:
    name: Build & deploy
    needs: [lints, tests]
    if: "success() && startsWith(github.ref, 'refs/tags/')"
    env:
      PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}

    runs-on: ubuntu-latest
    steps:
      #----------------------------------------------
      #       check-out repo and set-up python
      #----------------------------------------------
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: 3.8
      - uses: snok/install-poetry@v1.1.2
        with:
          virtualenvs-create: true
          virtualenvs-in-project: true
      - name: Configure poetry credentials
        run: |
          poetry config pypi-token.pypi "${PYPI_TOKEN}"
      #----------------------------------------------
      #          build and deploy with poetry
      #----------------------------------------------
      - name: Build & deploy
        run: |
          poetry publish --build