Writing and running your first test

Up to this point, all of the test code we've seen were just demos and examples, and we haven't actually run any tests. Let's set up the basic structure of our application so that we can start writing real tests.

The first thing to do is to set up the folder structure that will house all of our tests. Consider the following steps:

1. Within the root of the application project folder, create a folder named tests.
2. Within the tests folder, create three more folders for controllers, models, and server:

/(existing app root) 
tests/ 
----/controllers/ 
----/models/ 
----/server/ 

Writing a test helper

Before we start writing the tests for our application, there's a small amount of overhead that we will need to take care of to prepare for our tests. To take care of this overhead, we will write a testhelper file that will be included and run with every test file we execute via Mocha.

Create a file named testhelper.js within the tests folder, and insert the following block...