check.yml

name: check

on:
  pull_request:
  push:
    branches:
      - main

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 0
      - uses: actions/cache@v3
        with:
          path: |
            ~/.cache/pip
            venv
          key: >-
            lint-${{ hashFiles(
              '.github/requirements.txt',
              'requirements-dev.txt',
              'requirements-test.txt',
              'setup.cfg'
            ) }}
          restore-keys: lint-
      - name: Install dependencies
        run: |
          set -euxo pipefail
          # venv due to mypy through pre-commit, venv-run
          python3 -m venv venv
          venv/bin/python3 -m pip install -Ur .github/requirements.txt
      - run: venv/bin/gitlint --commits "origin/$GITHUB_BASE_REF..HEAD"
        if: github.event_name == 'pull_request'
      - uses: pre-commit/action@v3.0.0

  test:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          - ubuntu-latest
        python-version:
          - "3.7"
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
          - "3.12"
          - "3.13.0-alpha - 3.13"
          - "pypy-3.9"
          - "pypy-3.10"
        include:
          - python-version: "3.5"
            os: ubuntu-20.04
            extra-deps: "'virtualenv<20.22.0'"
          - python-version: "3.6"
            os: ubuntu-20.04
            extra-deps: "'virtualenv<20.22.0'"
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          # >= 3.11 to ensure there's a recent one to run nox with
          # (assumption: last one listed ends up as "python3")
          python-version: |
            ${{ matrix.python-version }}
            >=3.11
        env:
          # Use system CA certs for setup-python's auto upgrade of pip to work
          # on older versions (e.g. 3.5) that do not have pypi.org CA certs in
          # baseline pip's chain
          PIP_CERT: /etc/ssl/certs/ca-certificates.crt
      - uses: actions/cache@v3
        with:
          path: |
            ~/.cache/pip
            .nox
          key: >-
            test-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles(
              'requirements-test.txt'
            ) }}
          restore-keys: test-${{ runner.os }}-${{ matrix.python-version }}-
      - run: |
          set -euxo pipefail
          python3 -m pip install -U nox codecov ${{ matrix.extra-deps }}
          v="${{ matrix.python-version }}"
          v=${v##* }  # "3.12.0-alpha - 3.12" -> "3.12"
          v=${v//-}   # "pypy-3.9" -> "pypy3.9"
          nox --force-color --python $v
          codecov -X gcov
        env:
          PYTEST_ADDOPTS: --color=yes