.travis.yml

# After changing this file, check it on:
#   http://lint.travis-ci.org/
#
language: python

python:
  # We don't actually use the Travis Python, but this keeps it organized.
  - "2.7"
  - "3.4"
  - "3.5"
  - "3.6"
  - "nightly"

os:
  - linux

matrix:
  fast_finish: true

  include:
    # https://github.com/travis-ci/travis-ci/issues/9815
    - python: "3.7"
      dist: xenial
      sudo: true
    - os: osx
      language: generic
      python: "2.7"
      env: OPTIONAL_DEPS=true TRAVIS_PYTHON_VERSION="2.7"
    - os: osx
      language: generic
      python: "3.7"
      env: OPTIONAL_DEPS=true TRAVIS_PYTHON_VERSION="3.7"
    - os: osx
      language: generic
      python: "pypy"
      env: OPTIONAL_DEPS=false TRAVIS_PYTHON_VERSION="pypy"
    - os: osx
      language: generic
      python: "pypy3"
      env: OPTIONAL_DEPS=false TRAVIS_PYTHON_VERSION="pypy3"

  allow_failures:
    # pypy Wheels are not yet available.
    - python: "pypy"
    - python: "pypy3"
    - python: "nightly"

env:
  matrix:
    - OPTIONAL_DEPS=true
    - OPTIONAL_DEPS=false

before_install:
  ### Prepare the system to install prerequisites or dependencies
  - uname -a
  - printenv
  - echo $TRAVIS_OS_NAME
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
      sudo apt-get update -qq;
    elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
      brew update;
      if [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
        brew install $TRAVIS_PYTHON_VERSION;
      fi;
    fi

  # We do this conditionally because it saves us some downloading if the
  # version is the same.
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
      echo "On linux";
      if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
        echo "Python 2";
        wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O miniconda.sh;
      elif [[ "$TRAVIS_PYTHON_VERSION" =~ 3\..* ]]; then
        echo "python 3";
        wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
      fi
    elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
      echo "On OSX";
      if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
        echo "Python 2";
        wget https://repo.continuum.io/miniconda/Miniconda2-latest-MacOSX-x86_64.sh -O miniconda.sh;
      elif [[ "$TRAVIS_PYTHON_VERSION" =~ 3\..* ]]; then
        echo "Python 3";
        wget https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh;
      fi
    fi
  - if [[ "$TRAVIS_PYTHON_VERSION" =~ (2|3)\..* ]]; then
      bash miniconda.sh -b -p $HOME/miniconda;
      export PATH="$HOME/miniconda/bin:$PATH";
      hash -r;
      conda config --set always_yes yes --set changeps1 no;
      true; %conda update -q conda;
      conda info -a;
    fi

install:
  ### Install any prerequisites or dependencies necessary to run the build.
  - if [[ "$TRAVIS_PYTHON_VERSION" =~ (2|3)\..* ]]; then
      conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION pip numpy;
      if [ "${OPTIONAL_DEPS}" == "true" ]; then
        conda install -n test-environment Cython;
      fi;
      source activate test-environment;
    else
      if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
        sudo apt-get build-dep python-numpy python-scipy python-cvxopt;
      fi;
      if [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
        sudo $TRAVIS_PYTHON_VERSION -m pip install git+https://bitbucket.org/pypy/numpy.git;
      else
        pip install --ignore-installed --upgrade pip numpy;
      fi;
      if [ "${OPTIONAL_DEPS}" == "true" ]; then
        pip install --upgrade Cython;
      fi;
    fi;

before_script:
  ### Use this to prepare your build for testing
  - if [[ "$TRAVIS_PYTHON_VERSION" =~ (2|3)\..* ]]; then
      conda install scipy cvxopt;
      pip install --upgrade --ignore-installed -r requirements_testing.txt;
    elif [[ "$TRAVIS_PYTHON_VERSION" == "nightly" ]]; then
      pip install scipy cvxopt;
      pip install --upgrade --ignore-installed -r requirements_testing.txt;
    elif [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
      sudo $TRAVIS_PYTHON_VERSION -m pip install --ignore-installed -r requirements_testing.txt;
    fi;

script:
  - printenv PWD
  - if ! [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
      pip install .;
    else
      sudo $TRAVIS_PYTHON_VERSION -m pip install .;
    fi
  - if ! [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
      if [ "${OPTIONAL_DEPS}" == "true" ]; then
        pip install -r requirements_optional.txt;
      fi;
    fi;

  - if ! [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
      export DIT_INSTALL=`pip show dit | grep Location | awk '{print $2"/dit"}'`;
    else
      export DIT_INSTALL=`pypy -m pip show dit | grep Location | awk '{print $2"/dit"}'`;
    fi
  - echo "DIT_INSTALL=$DIT_INSTALL"

  # nose 1.3.0 does not tell coverage to only cover the requested
  # package (except during the report).  So to restrict coverage, we must
  # inform coverage through the .coveragerc file.
  - if ! [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
      cp .coveragerc pytest.ini $DIT_INSTALL;
      cp setup.cfg $DIT_INSTALL;
    else
      sudo cp .coveragerc pytest.ini $DIT_INSTALL;
      sudo cp setup.cfg $DIT_INSTALL;
    fi

  # Move to new directory so that dit is not imported from repository.
  # Why? Because we want the tests to make sure that dit was installed
  # correctly. Example: setup.py might not have included some submodules.
  # Testing from the git repository cannot catch a mistake like that.
  #
  # Export current directory for logs.
  - cd $DIT_INSTALL
  - cd ..
  - printenv PWD

  # Run pytest.
  - if [[ "$TRAVIS_PYTHON_VERSION" =~ pypy.* ]]; then
      if [ "${OPTIONAL_DEPS}" == "true" ]; then
        sudo $TRAVIS_PYTHON_VERSION -m pytest dit;
      else
        sudo $TRAVIS_PYTHON_VERSION -m pytest -m "not cython" dit;
      fi
    else
      if [ "${OPTIONAL_DEPS}" == "true" ]; then
        pytest --numprocesses=auto dit;
      else
        pytest -m "not cython" --numprocesses=auto dit;
      fi
    fi

after_success:
  - cp .coverage $TRAVIS_BUILD_DIR
  - cd $TRAVIS_BUILD_DIR
  - python fixcoverage.py ".*/dit/" "$TRAVIS_BUILD_DIR/dit/"
  - codecov

notifications:
  email: false