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Better Story Testing through Dev-Tester Pairing
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Better Story Testing through Dev-Tester Pairing

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Agile 2010 Hands-On Workshop, 8/9/2010 …

Agile 2010 Hands-On Workshop, 8/9/2010
Abby Fichtner & Dawn Cannan

You know how "Agile" works: programmers test drive their code via (A)TDD with testers automating much of the story tests. But how does it REALLY work? Do testers and programmers work together (YES!)? What does this interaction look like? In this hands-on demonstration, we'll walk you through how to drive quality on your projects by pairing testers and programmers. We'll use FitNesse to create effective story tests and keep them passing as the software evolves with each iteration. Bring a laptop and spend some time as a paired dev/test team!

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  • 1. Q Better Story Testing Through Dev-Tester Pairing Abby Fichtner & Dawn Cannan, , Hacker Chick Passionate Tester Agile 2010 – August 9 2010 , g This presentation is licensed under a Creative Commons Attribution-Share Alike 3.0 License q
  • 2. 2 Why Pair Devs & Testers ? Figure out how to make stuff without defects in the first place Abby Fichtner, Dawn Cannan - Mary Poppendieck, Google Tech Talks, 12/2006
  • 3. 3 d Agile: The Happy Path d Release! Iteration 1 Iteration 2 Iteration 3 ... E Abby Fichtner, Nate Oster
  • 4. 4 F Agile: The Not So Happy Path F Oops, we ran out of time to test! Iteration 1 Iteration 2 Iteration 3 X Release! Actual Release R Code Test R Code Test R Code Test Bug Fix Abby Fichtner, Nate Oster No problem! We ’ll start next features Test & Fix while testers test This agile thing sucks! Iteration Bugs, overtime, We re done but testers are ’ programmers & testers behind so let’ keep going! s fighting b
  • 5. 5 Test Driven Development Write a failing test Refactor R Make it Pass Abby Fichtner, Nate Oster
  • 6. 6 Acceptance (Story T ) est Driven Development Write a h failing test Write a failing Acceptance T est Refactor R Make it Pass Testers help us make stuff without defects in the 1st place! Abby Fichtner, Nate Oster • Help devs know what “done” means • Make sure we’re building the right thing • Drive inner TDD loop
  • 7. 7 The Zen of Test-Driven Development Write a E h failing test Conditions of Write a failing Acceptance T est Refactor R Make it Pass D Demo/ Feedback Acceptance Focus shifts as team masters test-driven development Abby Fichtner, Nate Oster • Bug detection • Bug prevention • Better ways to capture & elicit requirements Adapted from “Agile Testing”, Lisa Crispin & Janet Gregory
  • 8. 8 FitNesse GUI Acceptance (Story) Tests Abby Fichtner, Dawn Cannan Unit & Component Tests Mike Cohn’s Automated Testing Pyramid
  • 9. Abby Fichtner, Dawn Cannan FitNesse 9
  • 10. 10 FitNesse FitNesse Page Fixture Abby Fichtner, Dawn Cannan Production Code
  • 11. 11 Agile 2010 Scheduling App Can focus on dev-tester interaction Abby Fichtner, Dawn Cannan
  • 12. 12 Agile 2010 Scheduling App: Data Abby Fichtner, Dawn Cannan
  • 13. 13 Agile 2010 Scheduling App: Tests Unit Tests Acceptance Test Fixtures Abby Fichtner, Dawn Cannan
  • 14. 14 Story #3: Get Session Recommendations Acceptance Test Fixtures Helper Methods Abby Fichtner, Dawn Cannan
  • 15. 15 Stories #4, #5 & #6 4: Select My Friends 5 & 6: List of Friends Attending Sessions/Same Session as Me Query Helper Methods (Agile2010AcceptanceTest) Abby Fichtner, Dawn Cannan
  • 16. 16 Stories #7: Get Popular Sessions Acceptance Criteria Providing Query Results from Fixtures Abby Fichtner, Dawn Cannan
  • 17. 17 Mini-Retrospective Audience Pair Demonstration Abby Fichtner, Dawn Cannan
  • 18. 18 Workshop Retrospective 1. 2. 3. 4. Abby Fichtner, Cannan
  • 19. Thank You! Abby Fichtner Dawn Cannan Hacker Chick Passionate Tester Developer Evangelist Microsoft , Tester Evangelist haxrchick@gmail.com dcannan@gmail.com http://TheHackerChickBlog.com http://PassionateTester.com This presentation is licensed under a Creative Commons Attribution-Share Alike 3.0 License