.travis.yml

# Based on:
# https://gist.github.com/dan-blanchard/7045057
# https://github.com/Jorge-C/ordination/blob/master/.travis.yml
# https://github.com/soft-matter/trackpy/blob/master/.travis.yml
# http://conda.pydata.org/docs/travis.html

# See also: https://github.com/travis-ci/travis-ci/issues/2650

language: python
python:
  - "3.4"
  - "3.5"
  - "3.6"

# Enable 3.7 without globally enabling sudo and dist: xenial for other build jobs
# This configuration is described in https://github.com/travis-ci/travis-ci/issues/9815#issue-336465122
matrix:
  include:
    - python: 3.7
      dist: xenial
      sudo: true

# Download and set up anaconda
before_install:
  - wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
  - chmod +x miniconda.sh
  - ./miniconda.sh -b -p $HOME/miniconda
  - export PATH="$HOME/miniconda/bin:$PATH"
  # Update conda itself
  - conda update --yes conda
  # Set up grunt by installing grunt-cli
  # and the dependencies listed in package.json
  - npm install -g grunt-cli
  - npm install

# Install packages
install: 
  - if [[ "$TRAVIS_PYTHON_VERSION" == "3.4" ]]; then
      conda create --yes -n testenv python=$TRAVIS_PYTHON_VERSION numpy scipy flake8 requests;
    else
      conda create --yes -n testenv python=$TRAVIS_PYTHON_VERSION numpy=1.15 scipy flake8 requests;
    fi
  - source activate testenv

# Run test(s)
script: 
  - python3 -m unittest discover -p '*_test.py'
  - grunt travis -v
  - if [[ "$TRAVIS_PYTHON_VERSION" != "3.4" ]]; then
      flake8 --exclude docs/conf.py --max-line-length=100;
    fi