workflow.yml

name: Tests
on:
  pull_request:
  push:
    branches:
      - main

jobs:
  cleanup-run:
    name: cleanup previous run
    runs-on: ubuntu-latest
    steps:
      - name: Abort previous action run (branch != main)
        if: endsWith(github.ref, 'main') == false
        uses: rokroskar/workflow-run-cleanup-action@v0.2.2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  pre-commit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python 3.9
        uses: actions/setup-python@v2
        with:
          python-version: '3.9'
      - name: Install pre-commit
        run: |
          pip install pre-commit
      - name: Setup pre-commit hooks
        run: |
          pre-commit install
      - name: Run pre-commit hooks
        run: |
          pre-commit run --all-files
  pytest:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [ 3.7, 3.8, 3.9 ]
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}

        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: Get full python version
        id: full-python-version
        run: |
          echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info[:3]))")
      #----------------------------------------------
      # install & configure poetry
      #----------------------------------------------
      - name: Install Poetry
        uses: snok/install-poetry@v1.1.1
        with:
          virtualenvs-create: true
          virtualenvs-in-project: true
      #----------------------------------------------
      # load cached venv if cache exists
      #----------------------------------------------
      - name: Load cached venv
        id: cached-poetry-dependencies
        uses: actions/cache@v2
        with:
          path: .venv
          key: venv-${{ runner.os }}-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}
      #----------------------------------------------
      # install dependencies if cache does not exist
      #----------------------------------------------
      - name: Install dependencies
        run: poetry install
        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
      #----------------------------------------------
      # run tests
      #----------------------------------------------
      - name: Run tests
        run: |
          poetry run pytest