Fight your technical debt with Jenkins, Jacoco and Sonar

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EclipseCon 2012 slides from Xavier Seignard ( http://twitter.com/xavier_seignard ) and Mickael Istria http://www.eclipsecon.org/2012/sessions/get-ready-fight-your-technical-debt-tycho-sonar-and-jacoco

Technologie Wirtschaft & Finanzen

Get ready to fight
your technical debt!
Tycho, Sonar and Jacoco

Xavier Seignard Mickael Istria
www.podbox.com Jboss, by Redhat
@xavier_seignard @mickaelistria

…
Standards
The goal: Code Coverage
Complexity

Code quality! Design
Comments
Duplications
Tests
...

Why is it important?

Maintain. Use. Rely.
Understand. Test. Change.
Learn. Adapt. Replace.
And so on.

Problem?
How to analyze it?
With so many bundles

Tools are there, but...

… reports are scattered
checkstyle, pmd, findbugs, etc.

Solution?
Unify and aggregate these reports

Sonar!
The last step towards code quality analysis

Hands-on!
Put this build on Jenkins/Hudson

Achievement #1 unlocked!
You have a reproducible build!

Hands-on! Install Sonar plugin on Jenkins/Hudon.
Configure it.
Put Sonar at work Configure your build.

Hands-on (ad)!
Or use Dev@cloud from Cloudbees
Pain free Jenkins and Sonar.
No maintenance.
Ready to use.
And more!

Achievement #2 unlocked!
Your tech debt is under control!

The missing piece
Code coverage
Is that part of code tested or not?

So what?
On the fly instrumentation

Jacoco!
The beloved jacoco agent

Jacoco?
As easy as setting an arg to the JVM
-Djavaagent=jacoco.jar=[option1=value1[,optionN=valueN]*]

Maven plugin
Sets ${tycho.testArgLine} to -Djavaagent=jacoco.jar...
Pro tip: Use <appArgLine> to set other JVM args in Tycho Surefire plugin.

Achievement #3 unlocked!
You're ready to fight your tech debt!

Thanks
To Nicolas De loof (@ndeloof) and Cloudbees for providing us a
st
1 class Dev@cloud instance for this demo.

Questions?

Don't forget to give your feedback:
http://www.eclipsecon.org/2012/sessions/get-ready-fight-your-technical-debt-tycho-sonar-and-jacoco

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Fight your technical debt with Jenkins, Jacoco and Sonar

1. Get ready to fight your technical debt! Tycho, Sonar and Jacoco

2. Xavier Seignard Mickael Istria www.podbox.com Jboss, by Redhat @xavier_seignard @mickaelistria

3. … Standards The goal: Code Coverage Complexity Code quality! Design Comments Duplications Tests ...

4. Why is it important? Maintain. Use. Rely. Understand. Test. Change. Learn. Adapt. Replace. And so on.

5. Problem? How to analyze it? With so many bundles

6. Tools are there, but... … reports are scattered checkstyle, pmd, findbugs, etc.

7. Solution? Unify and aggregate these reports Sonar! The last step towards code quality analysis

8. Hands-on! From a successful Tycho build

9. Hands-on! Put this build on Jenkins/Hudson

10. Achievement #1 unlocked! You have a reproducible build!

11. Hands-on! Install Sonar plugin on Jenkins/Hudon. Configure it. Put Sonar at work Configure your build.

12. Hands-on (ad)! Or use Dev@cloud from Cloudbees Pain free Jenkins and Sonar. No maintenance. Ready to use. And more!

13. Achievement #2 unlocked! Your tech debt is under control!

14. The missing piece Code coverage Is that part of code tested or not?

15. So what? On the fly instrumentation Jacoco! The beloved jacoco agent

16. Jacoco? As easy as setting an arg to the JVM -Djavaagent=jacoco.jar=[option1=value1[,optionN=valueN]*] Maven plugin Sets ${tycho.testArgLine} to -Djavaagent=jacoco.jar... Pro tip: Use <appArgLine> to set other JVM args in Tycho Surefire plugin.

17. Hands-on... ... top level pom

18. Achievement #3 unlocked! You're ready to fight your tech debt!

19. Thanks To Nicolas De loof (@ndeloof) and Cloudbees for providing us a st 1 class Dev@cloud instance for this demo.

20. Resources - The base project we used: http://www.eclipse.org/recommenders/ - Jenkins: https://eclipsecon2012.ci.cloudbees.com/ - Sonar: https://eclipsecon2012.sonar.cloudbees.com/ - The maven profile: https://gist.github.com/2212435 Some bugs you should follow - Sonar@eclipse.org: http://bugs.eclipse.org/360935 - Jacoco@jenkins: https://issues.jenkins-ci.org/browse/JENKINS-10835

21. Questions? Don't forget to give your feedback: http://www.eclipsecon.org/2012/sessions/get-ready-fight-your-technical-debt-tycho-sonar-and-jacoco

Fight your technical debt with Jenkins, Jacoco and Sonar

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