Renamed tests folder to test

test/models/User_spec.js

@@ -0,0 +1,46 @@
+process.env.NODE_ENV = 'test';
+
+var User = require('../../models/User');
+
+var mocha = require('mocha');
+var chai = require('chai');
+var should = chai.should();
+var expect = chai.expect;
+var mongoose = require('mongoose');
+
+var user;
+
+describe('User attributes', function() {
+  before(function(done) {
+    user = createUser();
+    done();
+  });
+
+  it('_id is a mongoDB ObjectId', function() {
+    user._id.should.be.an.instanceOf(mongoose.Types.ObjectId);
+  });
+
+  it('email should be a string', function() {
+    user.email.should.be.a('string');
+  });
+
+  it('password should be a string', function() {
+    expect(user.password).to.be.a('string');
+  });
+})
+
+function createUser() {
+  var user = new User({
+    email: getEmail(),
+    password: '__password__',
+  });
+  user.save();
+  return user;
+}
+
+// create unique email address
+// 
+// TODO - use an implementation that guarantees string uniqueness
+function getEmail() {
+  return new Date().getTime() + '@example.com';
+}