language: python
python:               # this works for Linux but is ignored on macOS or Windows
  - "3.6"
  - "3.7"
  - "3.8"
  - "3.9"
# See https://docs.travis-ci.com/user/languages/python/#running-python-tests-on-multiple-operating-systems
jobs:
  include:
    - name: "Python on macOS"
      os: osx
      osx_image: xcode12.2  # Latest version at time of writing : see https://docs.travis-ci.com/user/reference/osx#macos-version
      language: shell       # 'language: python' is an error on Travis CI macOS
# Build requisites (only some of them)
addons:
  apt:
    packages:
      # See the Dockerfiles for more details about those dependencies
      - build-essential
      - cmake
      - g++
      - git
      - libffi-dev
      - libssl-dev
      - make
      - python3-dev
  # homebrew:
  #   # TODO Check this list to see if something is missing : https://docs.travis-ci.com/user/reference/osx#compilers-and-build-toolchain
  #   packages: rust
before_install:
  - curl https://sh.rustup.rs -sSf | sh -s -- -y && source $HOME/.cargo/env
install:
  - pip3 install -c constraints.txt -r requirements-build.txt -r requirements-runtime.txt
  # Generates nicobot/version.py
  # 'python' points to Python 2.7 on macOS but points to Python 3.8 on Linux and Windows
  # 'python3' is a 'command not found' error on Windows but 'py' works on Windows only
  - python3 setup.py build || python setup.py build
script:
  # 'python' points to Python 2.7 on macOS but points to Python 3.8 on Linux and Windows
  # 'python3' is a 'command not found' error on Windows but 'py' works on Windows only
  - python3 -m unittest discover -s tests || python -m unittest discover -s tests