Book Image

JavaScript Unit Testing

By : Hazem Saleh
Book Image

JavaScript Unit Testing

By: Hazem Saleh

Overview of this book

<p>The largest challenge for many developers’ day to day life is ensuring the support of, and assuring the reach of, their product. With the ever increasing number of mainstream web browsers this is becoming a more difficult task for JavaScript coders. <br /><br />From the beginning, JavaScript Unit Testing will show you how to reduce the time you spend testing, and automate and ensure efficiency in guaranteeing your success.<br /><br />JavaScript Unit Testing will introduce and help you master the art of efficiently performing and automating JavaScript Unit tests for your web applications.<br /><br />Using the most popular JavaScript unit testing frameworks, you will develop, integrate, and automate all the tests you need to ensure the widest reach and success of your web application.<br /><br />Covering the most popular JavaScript Unit testing frameworks of today, JavaScript Unit Testing is your bible to ensuring the functionality and success of all of your JavaScript and Ajax Web Applications.<br /><br />Starting with Jasmine, you will also learn about, and use, YUITest, QUnit, and JsTestDriver, integrate them into your projects, and use them together to generate reports.<br /><br />Learn to automate these tools, make them work for you, and include the power of these tools in your projects from day one.</p>
Table of Contents (12 chapters)

Chapter 2. Jasmine

Jasmine is a powerful JavaScript unit testing framework. It provides a clean mechanism for testing synchronous and asynchronous JavaScript code. Jasmine is a behavior-driven development framework that provides descriptive test cases that focus more on the business value than on the technical details. Because it is written in a simple natural language, Jasmine tests can be read by non-programmers and can provide a clear description when a single test succeeds or fails and also the reason behind its failure. In this chapter, the framework will be illustrated in detail and will be used to test the weather application that is discussed in Chapter 1, Unit Testing JavaScript Applications.

Note

Behavior-driven development (BDD) is an agile software development technique introduced by Dan North that focuses on writing descriptive tests from the business perspective. BDD extends TDD by writing test cases that test the software behavior (requirements) in a natural language that anyone...