Peering Into the White Box: A testers approach to code reviews Alan - PowerPoint PPT Presentation

Feb 11, 2024 •362 likes •535 views

Peering Into the White Box: A testers approach to code reviews Alan Page M icrosoft self-promotion slide http:/ / angryweasel.com/ blog http:/ / www.hwtsam.com http:/ / twitter.com/ alanpage Code Reviews really? The Testers Point of

Peering Into the White Box: A testers approach to code reviews Alan Page M icrosoft
self-promotion slide http:/ / angryweasel.com/ blog http:/ / www.hwtsam.com http:/ / twitter.com/ alanpage
Code Reviews… really?
The Tester’s Point of View Code reviews traditionally a developer activity • Developers write unit • But testers still find tests functional bugs • Developers ask “ does • Testers ask “ how can this work?” this fail?” • Developers look at code • Testers have a different one way, but… perspective Experiment : Have testers perform code reviews
Types of Reviews More formal Less formal More Less effective effective Greater cost Less cost Ad hoc review Formal Inspection Based on Peer Reviews in Software by Wiegers, 2002
Approach 1. Kickoff meeting 2. Collect volunteers 3. Set expectations 4. Schedule meetings 5. Share checklist
Using a Checklist The illusion of attention If you look for everything, you’ll miss something If you look for one thing, you’ll miss other things M itigation Loop one at a time through a list of common errors
Selecting Code for Review Churn Complexity Intuition Convenience
Results Four teams M oderate engagement Skill increase Successful “ Bug Hunting”
Lessons Learned Not like other testing Balance w/ other activities The Checklist Develop “ Experts” Development team involvement Bug Tracking
Future Plans Continue with select team members Inspection “ SWAT” Track comments and discussion
Are code reviews for you?
Resources • Software Inspection – Tom Gilb & Dorothy Graham. Addison-Wesley Professional (January 10, 1994) • The Best Kept Secrets of Peer Code Review - http:/ / smartbear.com/ codecollab-code-review- book.php • Software Inspection (web article) - http:/ / www.the- software-experts.de/ e_dta-sw-test-inspection.htm • Fagan Inspections (Wikipedia entry) - http:/ / en.wikipedia.org/ wiki/ Fagan_inspection

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