Node global, module, export exercise

test.js

var user1 = require('./user.js'),
    user2 = require('./user.js'),
    assert = require('assert');

// initialize the value in user1
user1.name("test");
// set it to another value in user2
user2.name("ohai");
// user1's value has been changed
assert.equal(user1.name(), "ohai", "oops");

// make two sep user prototypes
var userProto1 = new user1.User("grumpy");
var userProto2 = new user1.User("bumpy");
// the names of the two users are different, of course!
assert.notEqual(userProto1.name, userProto2.name, "oops");

user.js

var _name = "";

// getter & setter frankenstein!
// this will essentially be a global, singleton
exports.name = function(n) {
  if (n !== "" & n !== undefined) { _name = n; }
  return _name;
};

// this is a prototype that will maintain 
// it's own state
exports.User = function(n) {
  this.name = n;
}