---
name: ci

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]
  workflow_dispatch:
  schedule:
  - cron: '47 4 * * 4'  # weekly on thursday morning

jobs:
  build:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        python-version:
        - '2.7'
        - '3.4'
        - '3.5'
        - '3.7'
        - '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: Install dependencies
      run: |
        python -m pip install --upgrade setuptools tox
    - name: Test
      working-directory: library
      run: |
        tox -e py