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Why You Should Try Testing First - Nate Oster STARWEST2012 Lightning Keynote

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Slides from the STARWEST2012 Lightning Keynote "Why You Should Try Testing First" (Nate Oster). This was a 5 minute time-boxed "lightning talk" moderated by Lee Copeland.

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Licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License Why you should try Testing First… Nate Oster STARWEST 2012 nateoster@codesquads.com @nateoster
ACCEPTANCE TEST-DRIVEN DEVELOPMENT NateOster@CodeSquads.com
Great Reasons! • It kills werewolves. • All the cool kids are doing it. • It’s part of this balanced breakfast. • Superhuman strength. NateOster@CodeSquads.com
Waterfall Testing Release! DEV TEST NateOster@CodeSquads.com
Waterfall Testing Late! DEV TEST BUG-FIX NateOster@CodeSquads.com
Old habits die hard SPRINTS TEST NateOster@CodeSquads.com
Agile Means Incremental Testing SPRINTS NateOster@CodeSquads.com
Mini-Waterfall Testing 2 week sprint DEV Sprint Planning Retrospective Sprint Demo TEST NateOster@CodeSquads.com
Mini-Waterfall Testing 2 week sprint DEV Sprint Planning Retrospective Sprint Demo TEST NateOster@CodeSquads.com
Backpressure! 2 week sprint DEV Sprint Planning Retrospective Sprint Demo TEST NateOster@CodeSquads.com
Micro-Waterfall Micro-Incremental Testing 2 week sprint Define Define Define Build Test Build Test Build Test Sprint Planning Retrospective Sprint Planning… Sprint Demo Define Define Build Test Build Test Define Define Define Build Test Build Test Build Test NateOster@CodeSquads.com
Could we test first? fail fast? NateOster@CodeSquads.com
ACCEPTANCE TEST Yellow Refactor Red Green NateOster@CodeSquads.com
Verification Specification NateOster@CodeSquads.com
DEFINEEXAMPLES USE CONCRETE DONE. REDUCE GUESSING STOP GOLD-PLATING DO LESS. GET FAST FEEDBACK. FINISH OFTEN CHANGE QUICKLY BE CLEAR. FOCUS ON ESSENTIALS NateOster@CodeSquads.com
rework velocity scrap feedback handoffs confidence NateOster@CodeSquads.com
Craft a Test-First Experiment Start small Hypothesize the outcome Get fast feedback Ask WHY. NateOster@CodeSquads.com
Licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License You can test first. Nate Oster STARWEST 2012 nateoster@codesquads.com @nateoster

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Why You Should Try Testing First - Nate Oster STARWEST2012 Lightning Keynote

  • 1. Licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License Why you should try Testing First… Nate Oster STARWEST 2012 nateoster@codesquads.com @nateoster
  • 2. ACCEPTANCE TEST-DRIVEN DEVELOPMENT NateOster@CodeSquads.com
  • 3. Great Reasons! • It kills werewolves. • All the cool kids are doing it. • It’s part of this balanced breakfast. • Superhuman strength. NateOster@CodeSquads.com
  • 4. Waterfall Testing Release! DEV TEST NateOster@CodeSquads.com
  • 5. Waterfall Testing Late! DEV TEST BUG-FIX NateOster@CodeSquads.com
  • 6. Old habits die hard SPRINTS TEST NateOster@CodeSquads.com
  • 7. Agile Means Incremental Testing SPRINTS NateOster@CodeSquads.com
  • 8. Mini-Waterfall Testing 2 week sprint DEV Sprint Planning Retrospective Sprint Demo TEST NateOster@CodeSquads.com
  • 9. Mini-Waterfall Testing 2 week sprint DEV Sprint Planning Retrospective Sprint Demo TEST NateOster@CodeSquads.com
  • 10. Backpressure! 2 week sprint DEV Sprint Planning Retrospective Sprint Demo TEST NateOster@CodeSquads.com
  • 11. Micro-Waterfall Micro-Incremental Testing 2 week sprint Define Define Define Build Test Build Test Build Test Sprint Planning Retrospective Sprint Planning… Sprint Demo Define Define Build Test Build Test Define Define Define Build Test Build Test Build Test NateOster@CodeSquads.com
  • 12. Could we test first? fail fast? NateOster@CodeSquads.com
  • 13. ACCEPTANCE TEST Yellow Refactor Red Green NateOster@CodeSquads.com
  • 14. Verification Specification NateOster@CodeSquads.com
  • 15. DEFINEEXAMPLES USE CONCRETE DONE. REDUCE GUESSING STOP GOLD-PLATING DO LESS. GET FAST FEEDBACK. FINISH OFTEN CHANGE QUICKLY BE CLEAR. FOCUS ON ESSENTIALS NateOster@CodeSquads.com
  • 16. rework velocity scrap feedback handoffs confidence NateOster@CodeSquads.com
  • 17. Craft a Test-First Experiment Start small Hypothesize the outcome Get fast feedback Ask WHY. NateOster@CodeSquads.com
  • 18. Licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License You can test first. Nate Oster STARWEST 2012 nateoster@codesquads.com @nateoster