run_tests.yml

name: Run tests

on:
  pull_request:
  push:

jobs:
  run_tests:
    runs-on: ubuntu-20.04

    strategy:
      fail-fast: true
      matrix:
        python-version: [3.7, 3.8, 3.9]

    steps:
      - uses: actions/checkout@v2

      - name: Setup Python
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install poetry
        uses: snok/install-poetry@v1
        with:
          version: 1.1.6
          virtualenvs-create: true
          virtualenvs-in-project: true

      - name: Load cache
        uses: actions/cache@v2
        id: cache
        with:
          path: .venv
          key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}

      - name: Install dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: poetry install --no-interaction

      - name: Run mypy
        run: poetry run mypy src

      - name: Check styling
        run: poetry run black . --check

      - name: Run tests
        run: poetry run py.test