Performance Testing with JMeter 2.9

Bayo Erinle

• Publisher: Packt Publishing
• Year: 2013
• eBook ISBN: 9781782165842
• Edition: 1
• Topic: Computer Science
• Subtopic: Programming in Java
• Index: Computer Science

In Detail

Performance testing with JMeter 2.9 is critical to the success of any software product launch and continued scalability. Irrespective of the size of the application's user base, it's vital to deliver the best user experience to consumers. Apache JMeter is an excellent testing tool that provides an insight into how applications might behave under load enabling organizations to focus on making adequate preparations.

Performance Testing with JMeter 2.9 is a practical, hands-on guide that equips you with all the essential skills needed to effectively use JMeter to test web applications using a number of clear and practical step-by-step guides. It allows you take full advantage of the real power behind Apache JMeter, quickly taking you from novice to master.

Performance Testing with JMeter 2.9 begins with the fundamentals of performance testing and gets you acquainted with JMeter. It will guide you through recording realistic and maintainable scripts.

You will acquire new skills working with tools such as Vagrant, Puppet, and AWS, allowing you to leverage the cloud to aid in distributed testing. You will learn how to do some BeanShell scripting and take advantage of regular expressions, JMeter properties, and extension points to build comprehensive and robust test suites. Also, you will learn how to test RESTful web services, deal with XML, JSON, file downloads/uploads, and much more. Topics like resource monitoring, distributed testing, managing sessions, and extending JMeter are also covered.

Performance Testing with JMeter 2.9 will teach you all you need to know to take full advantage of JMeter for testing web applications, dazzle your co-workers, and impress your boss! You will go from novice to pro in no time.

Approach

Performance Testing With JMeter 2.9 is a standard tutorial that will help you polish your fundamentals, guide you through various advanced topics, and along the process help you learn new tools and skills.

Who this book is for

This book is for developers, quality assurance engineers, testers, and test managers new to Apache JMeter, or those who are looking to get a good grounding in how to effectively use and become proficient with it. No prior testing experience is required.

Performance Testing with JMeter 2.9

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Table of Contents

Performance Testing with JMeter 2.9

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. Performance Testing Fundamentals

The incident

The aftermath

Performance testing

Performance testing and tuning

Baselines

Load and stress testing

JMeter to the rescue

Up and running with JMeter

Installation

Installing Java JDK

Setting JAVA_HOME

On Windows

On Unix

Running JMeter

Command-line options

JMeter's Classpath

Configuring the proxy server

Running in non-GUI mode

Running in server mode

Overriding properties

Tracking errors during test execution

Configuring JMeter

Summary

2. Recording Your First Test

Configuring the JMeter HTTP proxy server

Setting up your browser to use the proxy server

Using a browser extension

Changing the system settings

Running your first recorded scenario

Anatomy of a JMeter test

Test Plan

Thread Groups

Controllers

Samplers

Logic controllers

Test fragments

Listeners

Timers

Assertions

Configuration elements

Pre-processor and post-processor elements

Summary

3. Submitting Forms

Capturing simple forms

Handling checkboxes

Handling radio buttons

Handling file uploads

Handling file downloads

Posting JSON data

Reading JSON data

Using the BSF PostProcessor

Handling the XML response

Summary

4. Managing Sessions

Managing sessions with cookies

Managing sessions with URL rewriting

Summary

5. Resource Monitoring

Basic server monitoring

Setting up Apache Tomcat Server

Configuring Tomcat users

Setting up a monitor controller in JMeter

Monitoring the server with a JMeter plugin

Installing the plugins

Adding monitor listeners to the test plan

Summary

6. Distributed Testing

Remote testing with JMeter

Configuring JMeter slave nodes

Configuring one slave per machine

Configuring the master node to be tested against one slave per machine

Configuring multiple slave nodes on a single box

Configuring the master node to be tested against multiple slave nodes on a single box

Leveraging the cloud for distributed testing

Obtaining your access key, secret key, and key pair

Launching an AWS instance

Executing the test plan

Viewing the results from the virtual machines

Summary

7. Helpful Tips

JMeter properties and variables

JMeter functions

The Regular Expression tester

The Debug sampler

Using timers in your test plan

The Constant timer

The Gaussian random timer

The Uniform random timer

The Constant throughput timer

The Synchronizing timer

The Poisson random timer

The JDBC Request sampler

Setting up an H2 database

Configuring a JDBC Connection Configuration component

Adding a JDBC Request sampler

A Dummy sampler

The JSON Path Extractor element

Handling RESTful web services

Summary

Index

Performance Testing with JMeter 2.9

Copyright © 2013 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: July 2013

Production Reference: 1200713

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78216-584-2

www.packtpub.com

Cover Image by Suresh Mogre (<[email protected]>)

Credits

Author

Bayo Erinle

Reviewers

Dmitri Nevedrov

Shantonu Sarker

Acquisition Editor

Kevin Colaco

Commissioning Editor

Llewellyn F. Rozario

Technical Editors

Anita Nayak

Sampreshita Maheshwari

Copy Editors

Aditya Nair

Laxmi Subramanian

Project Coordinator

Sherin Padayatty

Proofreader

Stephen Silk

Indexer

Hemangini Bari

Graphics

Abhinash Sahu

Ronak Dhruv

Production Coordinator

Zahid Shaikh

Cover Work

Zahid Shaikh

About the Author

Bayo Erinle is a senior software engineer with over nine years' experience in designing, developing, testing, and architecting software. He has worked in various spectrums of the IT field, including government, finance, and health care. As a result, he has been involved in the planning, development, implementation, integration, and testing of numerous applications, including multi-tiered, standalone, distributed, and cloud-based applications. He is always intrigued by new technology and enjoys learning new things. He currently resides in Maryland, US, and when he is not hacking away at some new technology, he enjoys spending time with his wife Nimota and their three children, Mayowa, Durotimi, and Fisayo.

About the Reviewers

Dmitri Nevedrov has been working in software research and development for many years, primarily focusing on Java, J2EE technology, and performance optimization techniques. He lives in Denver, Colorado.

Shantonu Sarker is a proactive software test engineer with seven years of experience in test automation, develo...

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• Performance Testing with JMeter 2.9