try the demo

https://blooming-reef-48511.herokuapp.com/

run locally

npm install

before starting the app with

node index.js

for testing, you need to also install mocha and should.js

export NODE_ENV=development npm install npm test

deploy to heroku

heroku create git push heroku master heroku open

sources

This example inspired by

• http://socket.io/get-started/chat/
• http://liamkaufman.com/blog/2012/01/28/testing-socketio-with-mocha-should-and-socketio-client/
• http://stackoverflow.com/questions/18941736/ensuring-express-app-is-running-before-each-mocha-test#answer-19377023
• https://devcenter.heroku.com/articles/node-websockets