Learn how to: § Permit static analysis rule exemptions under exceptional circumstances. § Know when it's time to disable or reconfigure a static analysis rule. § Exempt problematic files or code chunks from static analysis. § Design more robust regression tests. § Adopt a sustainable workflow for keeping tests in synch with the evolving application.

1. How the Grinch Stole
Testing
Noise, Noise, Noise!

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3. All the Noise Noise Noise
The Grinch didn’t
think very much
of testing,
In fact he found
the whole process
un-resting.

4. What is Noise?
Incorrect messages
Unhelpful messages
Irrelevant messages
Anything I don't need to hear
Anything I don't want to hear

5. Why is Testing Noisy?
Poor tools
Poor config
Poor strategy
Poor design
Poor policy

6. Test Design
Plan
Code review
Does the test prove my point?
Does failure pinpoint the problem?

7. Test Configuration
Testing code you won't change
Running tests you plan to fix "someday"
- someday will never come

8. Toning it Down
Suppressions
Unit test assertions
Static analysis
By file
By type
By age
By severity
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9. Test Maintenance
Run regularly – Entropy Increases
Turn off low value to noise ratio tests
Keeping it clean is better than periodic mass cleaning

10. Relavence
Am I testing for things that are happening
QA results
Code reviews
field bugs
For things expected to happen?
Security
performance

11. Risk management
Will it happen?
Is it worth preventing?
Owasp top ten example

12. Q&A
Email
info@parasoft.com
webinar@parasoft.com
Blogs:
http://alm.parasoft.com
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Twitter: @Parasoft @MustRead4Dev
LinkedIn: http://www.linkedin.com/company/parasoft
Inspired by “How the Grinch Stole Christmas” by Doctor Seuss
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