.travis.yml

dist: xenial
sudo: required

matrix:
  include:
  - os: linux
    dist: xenial
    language: python
    python: 3.6
  - os: linux
    dist: xenial
    language: python
    python: 3.7
  - os: osx
    language: generic
    env: PYTHON_VERSION="3.6"
  - os: osx
    language: generic
    env: PYTHON_VERSION="3.7"

git:
  depth: false

install:
# os dependencies and set up matplotlib backend
# travis does not support python on osx - install via miniconda
- |
  if [ $TRAVIS_OS_NAME = 'osx' ]; then 
    echo "Installing brew packages..."  
    brew install graphviz
    echo "Setting up conda environment..."
    wget http://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh || exit 1
    bash miniconda.sh -b -p "$HOME/miniconda3" || exit 1
    export PATH=$HOME/miniconda3/bin:$PATH
    conda config --set always_yes true || exit 1
    conda create -n lookml-tools python=$PYTHON_VERSION || exit 1
    echo "Activating conda environment"
    source activate lookml-tools
    echo "Updating matplotlib configuration"
    mkdir -p ~/.matplotlib && touch ~/.matplotlib/matplotlibrc
    "`echo backend: TkAgg >> ~/.matplotlib/matplotlibrc`"
  fi
  if [ $TRAVIS_OS_NAME = 'linux' ]; then
    echo "Installing linux packages"
    sudo apt-get install graphviz
    echo "Updating matplotlib configuration"
    mkdir -p ~/.config/matplotlib && touch ~/.config/matplotlib/matplotlibrc
    "`echo backend: Agg >> ~/.config/matplotlib/matplotlibrc`"
  fi
  echo "Installing requirements"
  pip install -r requirements.txt

# command to run tests
script:
- python -m pytest test/

branches:
  only:
  - master