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Web Development with MongoDB and Node.js

You're reading from   Web Development with MongoDB and Node.js Build an interactive and full-featured web application from scratch using Node.js and MongoDB

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Product type Paperback
Published in Sep 2014
Publisher Packt
ISBN-13 9781783987306
Length 294 pages
Edition 1st Edition
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Author (1):
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Jason Krol Jason Krol
Author Profile Icon Jason Krol
Jason Krol
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Toc

Table of Contents (14) Chapters Close

Preface 1. Welcome to JavaScript in the Full Stack 2. Getting Up and Running FREE CHAPTER 3. Node and MongoDB Basics 4. Writing an Express.js Server 5. Dynamic HTML with Handlebars 6. Controllers and View Models 7. Persisting Data with MongoDB 8. Creating a RESTful API 9. Testing Your Code 10. Deploying with Cloud-based Services 11. Single Page Applications with Popular Frontend Frameworks 12. Popular Node.js Web Frameworks Index

Writing and running your first test


Up to this point, all of the test code we've seen has just been 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 set up the folder structure that will house all of our tests. Within the root of the application project folder, create a folder named tests. 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 we need to take care of to prepare for our tests. To take care of this overhead, we're going to write a test helper 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 of code:

var chai = require('chai'...
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