language: python
matrix:
    include:
        - os: linux
          python: 3.5
          dist: xenial
        - os: linux
          python: 3.6
          dist: xenial
        - os: linux
          python: 3.7
          dist: xenial
        - os: linux
          python: 3.8-dev
          dist: xenial
        - os: osx
          language: sh
          before_install:
            - brew update
            - brew info python@3
            - brew upgrade python@3
          install:
            - pip3 install .[tests]
            - pip3 install coveralls

install:
    - pip install .[tests]
    - pip install coveralls
script: pytest
after_success:
  - coveralls