language: node_js
sudo: false
node_js:
  - "4"
  - "6"
  - "7"
before_install:
  - npm --version
after_script: 
  - NODE_ENV=test ./node_modules/.bin/istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage