language: node_js
node_js:
  - "4"
  - "5"
  - "6"
  - "7"
  - "8"

branches:
  only:
  - master

notifications:
  email: false

addons:
  apt:
    packages:
      - xvfb

install:
  - export DISPLAY=':99.0'
  - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &

before_script:
  - npm install

script:
  - npm test