.travis.yml

language: python
cache: pip
install:
    - python3 -m pip install cffi pytest flake8 networkx
    - if [[ $TRAVIS_PYTHON_VERSION != 3.5 ]]; then python3 -m pip install black; fi
    - python3 -m pip install .
script:
    - if [[ $TRAVIS_PYTHON_VERSION != 3.5 ]]; then python3 -m black mip --line-length=79 --check; fi
    - python3 -m flake8 mip --select=F401 --exclude=__init__.py # Look for unused imports
    - python3 -m pytest test --verbose --color=yes --doctest-modules
    - python3 -m pytest mip --verbose --color=yes --doctest-modules --ignore="mip/gurobi.py"
jobs:
  include:
    - name: "Python 3.5 on Linux"
      os: linux
      python: 3.5
    - name: "Python 3.6 on Linux"
      os: linux
      python: 3.6
    - name: "Python 3.7 on Linux"
      os: linux
      python: 3.7
    - name: "Python 3.8 on Linux"
      os: linux
      python: 3.8
    - name: "Python 3.7.4 on 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