ci-tests.yml

name: Continous integration tests

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

jobs:

  tox:
    name: CI tests via Tox

    runs-on: ubuntu-20.04

    strategy:
      matrix:
        py-ver-major: [3]
        py-ver-minor: [6, 7, 8, 9, 10]
        step: [lint, unit]

    env:
      py-semver: ${{ format('{0}.{1}', matrix.py-ver-major, matrix.py-ver-minor) }}
      TOXENV: ${{ format('py{0}{1}-{2}', matrix.py-ver-major, matrix.py-ver-minor, matrix.step) }}

    steps:
      - uses: actions/checkout@v2

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: ${{ env.py-semver }}

      - name: Cache for pip
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ matrix.step }}-${{ hashFiles('requirements.txt', 'tox.ini') }}

      - name: Upgrade setuptools and install tox
        run: |
          pip install -U pip setuptools wheel
          pip install tox tox-gh-actions

      - name: MyPy cache
        if: ${{ matrix.step == 'mypy' }}
        uses: actions/cache@v2
        with:
          path: .mypy_cache/${{ env.py-semver }}
          key: mypy-${{ env.py-semver }}

      - name: Test with tox
        run: tox

      - name: Upload coverage to Codecov
        if: ${{ matrix.step == 'unit' }}
        uses: codecov/codecov-action@v1
        with:
          fail_ci_if_error: true

  tox-style:
    name: CI linters via Tox

    runs-on: ubuntu-20.04

    strategy:
      matrix:
        step: [lint-readme, pydocstyle]

    env:
      py-semver: 3.9
      TOXENV: ${{ format('py39-{0}', matrix.step) }}

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: ${{ env.py-semver }}

      - name: Cache for pip
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ matrix.step }}-${{ hashFiles('requirements.txt') }}

      - name: Upgrade setuptools and install tox
        run: |
          pip install -U pip setuptools wheel
          pip install tox tox-gh-actions

      - if: ${{ matrix.step == 'pydocstyle' && github.event_name == 'pull_request'}}
        name: Create local branch for diff-quality for PRs
        run: git branch ${{github.base_ref}} origin/${{github.base_ref}}

      - name: Test with tox
        run: tox