Run CI tests on Windows (#1835)

jobs:

  include:

    - name: 'Python 3.6'

      language: python

python:

- '3.6'

- '3.7'

      python: '3.6'

      sudo: required

      dist: xenial

    - name: 'Python 3.7'

      language: python

      python: '3.7'

      sudo: required

      dist: xenial

    - name: 'Windows'

      language: c # Not really, but travis doesn't support python on Windows

      python: '3.7'

      os: windows

install:

- wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O anaconda.sh;

- export python_version=$TRAVIS_PYTHON_VERSION

- bash anaconda.sh -b -p $HOME/anaconda

- export PATH="$HOME/anaconda/bin:$PATH"

- if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then

    wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O anaconda.sh;

    export python_version=$TRAVIS_PYTHON_VERSION;

    bash anaconda.sh -b -p $HOME/anaconda;

    export PATH="$HOME/anaconda/bin:$PATH";

  fi

- if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then

    choco install miniconda3 --params="'/JustMe /AddToPath:1'";

    export PATH="/c/tools/miniconda3/:/c/tools/miniconda3/Scripts:/c/tools/miniconda3/Library/bin:$PATH";

    source /c/tools/miniconda3/etc/profile.d/conda.sh;

  fi

- hash -r

- conda config --set always_yes yes --set changeps1 no

- conda update -q conda

    flaky \

    zlib \

    requests \

    xgboost \

    py-xgboost \

    simdna \

    setuptools \

    biopython \