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)

Writing your first QUnit test


A QUnit test can contain test modules and test functions. A QUnit test module is a group of related test functions. Every test function should contain one or more assertion(s) in order to perform the test and verify the outputs.

The QUnit module function is responsible for creating the QUnit module and the QUnit test function is responsible for creating the QUnit test. In order to add the test function to the module, just place the test function under the declared module, as shown in the following code snippet:

module("testing Module", {
  setup: function() {
   // setup code goes here...
  }, teardown: function() {
   // teardown code goes here...
  }
});

test("testing function1", function() {
  // assertions go here...
});

test("testing function2", function() {
  // assertions go here...
});

As shown in the preceding code snippet, a test module with the name "testing Module " is created. The test module can contain a setup method that is called to perform...