JMeter is a popular load testing tool built specifically for websites. The evolutions of websites have been very significant that websites have become more than just a simple source of information but a tool for varying purposes. The interaction between user and browser has become a complicated process that it could easily affect the website’s functionality.

This book is available for purchase at packtpub.com Apache JMeter

The aim of JMeter is to test the websites online application’s ability to handle multiple requests. Through the help of the application, developers could determine of their website is able to operate smoothly even when loaded to its limit.

Apache JMeter from Packt Publishers is a small book with intensive information. From Chapter 1 to its Summary, the book is continuously educating their readers - why JMeter and how to properly use the application.

---

Functional Testing JMeter is found to be very useful and convenient in support of functional testing. Although JMeter is known more as a performance testing tool functional testing elements can be integrated within the Test Plan which was originally designed to support load testing. Many other load-testing tools provide little or none of this feature...
Using JMeter Components We will create a Test Plan in order to demonstrate how we can configure the Test Plan to include functional testing capabilities. The modified Test Plan will include these scenarios 1. Create Account— New Visitor creating an Account 2. Log in User— User logging in to an Account Following these scenarios we...
Using HTTP Proxy Server to Record Page Requests As in recording requests in Chapter 5 you will need to include the HTTP Proxy Server element in the WorkBench. Some configuration will be required as shown in the following snapshot Configuring the Proxy Server Simulating Create Account and Login User scenarios will require JMeter to make requests...
Adding HTTP Header Manager Another very useful default element is the HTTP Header Manager Configuration element. This element can either be added to the Test Plan and configured manually as an afterthought or we can simply use the recorded Browser-derived headers element as included in the recording. For convenience we will choose the latter option....
Adding User Defined Variables The User Defined Variables UDV element as shown in the following snapshot is particularly interesting with regards to the test case design we drafted earlier in the table. It allows you to plug values to variables being used in various locations in the Test Plan. The JMeter Test Plan we have created will implement the...
Running the Test Once the assertions are properly completed we are expecting that running our Test Plan would pass all the assertions. Passed assertions will not show any error in Assertion Results Listener installed within the same scope. As for all Listeners results as captured by the Listeners can be saved and reproduced at a later time. Following...