.travis.yml

language: java

addons:
  apt:
    packages:
    - graphviz
    - libalut0
    - dbus-x11
  firefox: latest
  chrome: stable

before_install:
  # ensure no unwanted defaults are set
  # see https://github.com/travis-ci/travis-ci/issues/4613#issuecomment-181845546
  - export MAVEN_SKIP_RC="true"
  # set Linux to use JDK 8, accept defaults on macOS
  - if [ "$TRAVIS_OS_NAME" == "linux" ] ; then jdk_switcher use "oraclejdk8" ; fi
  # install graphviz on macOS
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update ; fi
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install graphviz ; fi

install:
  - mvn verify -DskipTests=true -Dmaven.javadoc.skip=true -B -V

before_script:
  # setup a display on linux ( the sleep gives xvfb some time to start )
  - if [[ "$TRAVIS_OS_NAME" == "linux" && "$HEADLESS" == "false" ]] ; then export DISPLAY=:99.0 ; sh -e /etc/init.d/xvfb start ; sleep 3 ; fi
  # silence errors from firefox about dbus.
  - if [[ "$TRAVIS_OS_NAME" == "linux" && "$HEADLESS" == "false" ]]; then dbus-launch ; fi

script:
  travis_wait 40 ./scripts/travis.sh

cache:
  directories:
  - $HOME/.m2

os:
  - linux
#  - osx # temporarilly disabled -- its more complex than originally anticipated to do conditional matrixes based on PR/push differentiation

sudo: required

env:
  global:
  # false to silence most maven output; true to catch tests that do not complete
  - PRINT_SUMMARY=true
  - MAVEN_OPTS=-Xmx1536m
  # see http://maven.apache.org/surefire/maven-surefire-plugin/test-mojo.html#runOrder for valid values
  - RUN_ORDER=filesystem
  matrix:
  - HEADLESS=true
  - HEADLESS=false

matrix:
  exclude:
  - os: osx
    env: HEADLESS=true

after_success:
  - if [[ "$TRAVIS_OS_NAME" == "linux" && "$HEADLESS" == "false" ]] ; then mvn jacoco:report coveralls:report -U -P travis-coverage ; fi