language: python
sudo: false
# Credit: Original .travis.yml lifted from VisPy

# Here we use anaconda for 2.6 and 3.3, since it provides the simplest
# interface for running different versions of Python. We could also use
# it for 2.7, but the Ubuntu system has installable 2.7 Qt4-GL, which
# allows for more complete testing.
notifications:
  email: false

virtualenv:
    system_site_packages: true


env:
    # Enable python 2 and python 3 builds
    # Note that the 2.6 build doesn't get flake8, and runs old versions of
    # Pyglet and GLFW to make sure we deal with those correctly
    #- PYTHON=2.6 QT=pyqt TEST=standard
    - PYTHON=2.7 QT=pyqt TEST=extra
    - PYTHON=2.7 QT=pyside TEST=standard
    - PYTHON=3.4 QT=pyqt TEST=standard
    # - PYTHON=3.4 QT=pyside TEST=standard # pyside isn't available for 3.4 with conda
    #- PYTHON=3.2 QT=pyqt5 TEST=standard


before_install:
    - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then wget http://repo.continuum.io/miniconda/Miniconda-3.5.5-Linux-x86_64.sh -O miniconda.sh; else wget http://repo.continuum.io/miniconda/Miniconda3-3.5.5-Linux-x86_64.sh -O miniconda.sh; fi
    - chmod +x miniconda.sh
    - ./miniconda.sh -b -p /home/travis/mc
    - export PATH=/home/travis/mc/bin:$PATH
    
    # not sure what is if block is for
    - if [ "${TRAVIS_PULL_REQUEST}" != "false" ]; then
          GIT_TARGET_EXTRA="+refs/heads/${TRAVIS_BRANCH}";
          GIT_SOURCE_EXTRA="+refs/pull/${TRAVIS_PULL_REQUEST}/merge";
      else
          GIT_TARGET_EXTRA="";
          GIT_SOURCE_EXTRA="";
      fi;

    # to aid in debugging
    - echo ${TRAVIS_BRANCH}
    - echo ${TRAVIS_REPO_SLUG}
    - echo ${GIT_TARGET_EXTRA}
    - echo ${GIT_SOURCE_EXTRA}

install:
    - export GIT_FULL_HASH=`git rev-parse HEAD`
    - conda update conda --yes
    - conda create -n test_env python=${PYTHON} --yes
    - source activate test_env
    - conda install numpy pyopengl pytest flake8 six coverage --yes
    - echo ${QT}
    - echo ${TEST}
    - echo ${PYTHON}
    
    - if [ "${QT}" == "pyqt" ]; then
          conda install pyqt --yes;
      fi;
    - if [ "${QT}" == "pyside" ]; then
          conda install pyside --yes;
      fi;
    - pip install pytest-xdist # multi-thread py.test
    - pip install pytest-cov # add coverage stats
    - pip install codecov # add coverage integration service
    - pip install coveralls # add another coverage integration service
    
    # Debugging helpers
    - uname -a
    - cat /etc/issue
    - if [ "${PYTHON}" == "2.7" ]; then
        python --version;
      else
        python3 --version;
      fi;

before_script:
    # We need to create a (fake) display on Travis, let's use a funny resolution
    - export DISPLAY=:99.0
    - "sh -e /etc/init.d/xvfb start"
    - /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1400x900x24 -ac +extension GLX +render
    
    # Make sure everyone uses the correct python (this is handled by conda)
    - which python
    - python --version
    - pwd
    - ls
    # Help color output from each test
    - RESET='\033[0m';
      RED='\033[00;31m';
      GREEN='\033[00;32m';
      YELLOW='\033[00;33m';
      BLUE='\033[00;34m';
      PURPLE='\033[00;35m';
      CYAN='\033[00;36m';
      WHITE='\033[00;37m';
      start_test() {
        echo -e "${BLUE}======== Starting $1 ========${RESET}";
      };
      check_output() {
        ret=$?;
        if [ $ret == 0 ]; then
            echo -e "${GREEN}>>>>>>    $1 passed    <<<<<<${RESET}";
        else
            echo -e "${RED}>>>>>>    $1 FAILED    <<<<<<${RESET}";
        fi;
        return $ret;
      };

    - if [ "${TEST}" == "extra" ]; then
        start_test "repo size check";
        mkdir ~/repo-clone && cd ~/repo-clone &&
        git init && git remote add -t ${TRAVIS_BRANCH} origin git://github.com/${TRAVIS_REPO_SLUG}.git &&
        git fetch origin ${GIT_TARGET_EXTRA} &&
        git checkout -qf FETCH_HEAD &&
        git tag travis-merge-target &&
        git gc --aggressive &&
        TARGET_SIZE=`du -s . | sed -e "s/\t.*//"` &&
        git pull origin ${GIT_SOURCE_EXTRA} &&
        git gc --aggressive &&
        MERGE_SIZE=`du -s . | sed -e "s/\t.*//"` &&
        if [ "${MERGE_SIZE}" != "${TARGET_SIZE}" ]; then
          SIZE_DIFF=`expr \( ${MERGE_SIZE} - ${TARGET_SIZE} \)`;
        else
          SIZE_DIFF=0;
        fi;
      fi;

script:
  
    - source activate test_env
    
    # Run unit tests
    - start_test "unit tests";
      PYTHONPATH=. py.test --cov pyqtgraph -n 4 -sv;
      check_output "unit tests";
    - echo "test script finished. Current directory:"
    - pwd
    
    # check line endings
    - if [ "${TEST}" == "extra" ]; then
        start_test "line ending check";
        ! find ./ -name "*.py" | xargs file | grep CRLF &&
        ! find ./ -name "*.rst" | xargs file | grep CRLF;
        check_output "line ending check";
      fi;

    # Check repo size does not expand too much
    - if [ "${TEST}" == "extra" ]; then
        start_test "repo size check";
        echo -e "Estimated content size difference = ${SIZE_DIFF} kB" &&
        test ${SIZE_DIFF} -lt 100;
        check_output "repo size check";
      fi;

    # Check for style issues
    - if [ "${TEST}" == "extra" ]; then
        start_test "style check";
        cd ~/repo-clone &&
        git reset -q travis-merge-target &&
        python setup.py style &&
        check_output "style check";
      fi;

    # Check install works
    - start_test "install test";
      python setup.py --quiet install;
      check_output "install test";
    
    # Check double-install fails
    # Note the bash -c is because travis strips off the ! otherwise.
    - start_test "double install test";
      bash -c "! python setup.py --quiet install";
      check_output "double install test";
      
    # Check we can import pg
    - start_test "import test";
      echo "import sys; print(sys.path)" | python &&
      cd /; echo "import pyqtgraph.examples" | python;
      check_output "import test";

after_success:
  - cd /home/travis/build/pyqtgraph/pyqtgraph
  - codecov
  - coveralls