.travis.yml

sudo: false
language: python

# See https://docs.travis-ci.com/user/languages/python/#running-python-tests-on-multiple-operating-systems
jobs:
  include:
    # === LINUX ===
    - name: "Linux"
      python: 3.8

    # === MacOS ===
    - name: "macOS"
      os: osx
      osx_image: xcode11.2  # Python 3.7.4 running on macOS 10.14.4
      language: shell       # 'language: python' is an error on Travis CI macOS

    # === Windows ===
    - name: "Windows"
      os: windows           # Windows 10.0.17134 N/A Build 17134
      language: shell       # 'language: python' is an error on Travis CI Windows
      before_install:
        - choco install python --version 3.8.0
        - python -m pip install --upgrade pip
      env: PATH=/c/Python38:/c/Python38/Scripts:$PATH
install:
  - pip3 install -r requirements.txt
script:
  - tox
after_success:
  - codecov