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JMeter Automation for Agile Projects
Simon Knight
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About Me
• Simon Knight – Professional tester since 2008 – Independent since 2010
• Generalist – working on automation, performance and exploratory test projects in a wide range of contexts
– Blogger: http://www.sjpknight.com – Twitter: @sjpknight
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About This Workshop
• Group exercises • Automation stories • Your questions and issues
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Ice Breaker
Get in a circle. An object is thrown around the group with the two rules below:
1. Everyone must touch the object once. 2. The object must be touched in the same human sequence.
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About JMeter
• JMeter is free and open source software from the Apache foundation
• Written in Java so runs on any system (so long as you have a JRE installed)
• Used for: – Performance Testing – Functional Testing
• HTTP, FTP, TCP, JDBC, LDAP, JMC, SOAP, SMTP and more…
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About JMeter
It’s like the Swiss Army Knife of testing tools!
Image from: http://www.thisiswhyimbroke.com/the-ultimate-swiss-army-knife
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JMeter Proxy
• HTTP(S) traffic recording – Other proxies are of course available –
Charles, Fiddler, ZAProxy, browser dev tools etc etc
• Jmeter can be used to turn your recordings into scripts – Blazemeter Chrome Extension may allow you
to do the same thing • I haven’t tried it… J
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Jmeter & Testing
• Functional testing • Data generation • SOAP & API testing • Automation of repetitive or time-
consuming tasks • Security Testing • Performance Testing
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Case Study
• Generating Users – User Defined variables – Counter – Navigate to a sign-up page – Submit user details – Extract confirmation email link from Gmail – Send confirmation – Login as new user
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Case Study
• API Testing – Requests – Responses – Assertions – Scripting
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Case Study
• Verify Download Files – Identify Downloads
• Xenu Linksleuth
– Navigate directly to download file • CSV import
– Download the files – Verify the file extensions have been fixed
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Case Study
• Security Testing – Exploit already identified
• We use Accunetix for automated vulnerability scanning
• The scanner reported a HTTP Header Injection vulnerability
– We needed to reproduce the issue in order to understand it better
• Curl proved inadequate • JMeter was used instead
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Case Study
• “End-to-End” Performance Testing – Additional scripting considerations
• Think time • Logic • Monitoring • Load patterns • Interpreting results
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Group Exercise
Discuss:
• What are the challenges of performance testing in agile?
• What are the challenges of performance testing every build?
• How might you overcome some of the challenges?
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Where does Performance Testing fit in?
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Where does Performance Testing fit in? Images via
Scott Barber
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Case Study
• Exploratory Performance Testing – Focused scripts targeting high impact areas of
the application normally – Logins, purchases or other transactions – Load generation – often using a stress testing
pattern • Performance testing is a team sport! • Work closely with developers/operations
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Case Study
• Continuous Integration – Jenkins and Bamboo have performance
plugins – Performance jobs can be run against every
build
Given I am a registered user When I login to the site Then I should see my dashboard in < 5 secs
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Group Exercise
• In groups - write an agile performance test plan for the Amazon web site
– Acceptance criteria? – Areas to test? – Any additional considerations?
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Thanks for coming
• Any questions…? • Resources:
– Jmeter http://jmeter.apache.org/download_jmeter.cgi
– FoxyProxy http://getfoxyproxy.org/
– Xenu Linksleuth http://home.snafu.de/tilman/xenulink.html
– Jenkins Performance Plugin https://wiki.jenkins-ci.org/display/JENKINS/Performance+Plugin – Bamboo Jmeter Aggregator https://marketplace.atlassian.com/plugins/jmeterAggregator
– Scott Barber images http://www.ministryoftesting.com/2014/04/testbash-3-video-managing-application-performance-throughout-lifecycle/
– https://dojo.ministryoftesting.com/series/performance-testing-101-simon-knight for more about performance testing
• About me: – http://sjpknight.com for more info about me, Jmeter and a mailing list – Follow me on Twitter @sjpknight – Connect with me on LinkedIn: https://uk.linkedin.com/in/simonjknight – Complete Jmeter performance testing course by me here:
https://dojo.ministryoftesting.com/series/performance-testing-101-simon-knight