.travis.yml

language: python
cache: pip

git:
  depth: 1
  quiet: true

matrix:
  fast_finish: true
  include:

    - name: Code quality checks
      os: linux
      python: "3.8"
      dist: xenial
      env: TOXENV=lint

    - name: Types checking
      os: linux
      python: "3.8"
      dist: xenial
      env: TOXENV=types

    - name: "Python 3.8 on GNU/Linux"
      os: linux
      python: "3.8"
      dist: xenial
      env: TOXENV=py38

    #- name: "Python 3.8 on macOS"
    #  os: osx
    #  osx_image: xcode11.2  !! XXX Python 3.7
    #  language: minimal
    #  env: TOXENV=py38

    - name: "Python 3.8 on Windows"
      os: windows
      language: shell
      before_install:
        - choco install python --version 3.8
      env:
        - PATH=/c/Python38:/c/Python38/Scripts:$PATH
        - TOXENV=py38

install:
  - |
    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
      python3 -m pip install --upgrade pip tox
    else
      python -m pip install --upgrade pip tox
    fi

script:
  - tox