Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Why TDD is a dangerous sect

Avatar for sharnik sharnik
April 20, 2012
Programming
310
4

Why TDD is a dangerous sect

A presentation about that looks in a critical way on common TDD propaganda.

Avatar for sharnik

sharnik

April 20, 2012

More Decks by sharnik

See All by sharnik
Cross-platform Mobile Development with React Native
Avatar for sharnik sharnik
0
220
Debugging
Avatar for sharnik sharnik
0
470
Going Polyglot the Easy Way
Avatar for sharnik sharnik
0
460

Other Decks in Programming

See All in Programming
20260320登壇資料
Avatar for 松井遼(まついはるか) pharct
0
140
Xdebug と IDE による デバッグ実行の仕組みを見る / Exploring-How-Debugging-Works-with-Xdebug-and-an-IDE
Avatar for shin1x1 shin1x1
0
290
野球解説AI Agentを開発してみた - 2026/02/27 LayerX社内LT会資料
Avatar for Shinichi Nakagawa shinyorke
PRO
0
380
Laravel Nightwatchの裏側 - Laravel公式Observabilityツールを支える設計と実装
Avatar for Ryuta Hamasaki avosalmon
1
290
OTP を自動で入力する裏技
Avatar for Megabits_mzq megabitsenmzq
0
130
PHP でエミュレータを自作して Ubuntu を動かそう
Avatar for memory m3m0r7
PRO
2
160
L’IA au service des devs : Anatomie d'un assistant de Code Review
Avatar for Thomas Boileau toham
0
160
ファインチューニングせずメインコンペを解く方法
Avatar for pokutuna pokutuna
0
250
forteeの改修から振り返るPHPerKaigi 2026
Avatar for muno92 muno92
PRO
3
110
Goの型安全性で実現する複数プロダクトの権限管理
Avatar for ishikawa-pro ishikawa_pro
2
1.4k
脱 雰囲気実装！ AgentCoreを良い感じに WEBアプリケーションに組み込むために
Avatar for Takuya Yonezawa takuyay0ne
3
420
Everything Claude Code OSS詳細 — 5層構造の中身と導入方法
Avatar for techs-targe targe
0
160

Featured

See All Featured
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
Avatar for Kevin Liebholz kevinliebholz
37
6.3k
Marketing to machines
Avatar for Jono Alderson jonoalderson
1
5.1k
AI in Enterprises - Java and Open Source to the Rescue
Avatar for ivargrimstad ivargrimstad
0
1.2k
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
Avatar for Aleyda Solis aleyda
1
1.9k
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
25
1.8k
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
47
8k
Tell your own story through comics
Avatar for letsgokoyo letsgokoyo
1
880
How to build an LLM SEO readiness audit: a practical framework
Avatar for Nick Samuel nmsamuel
1
700
Code Reviewing Like a Champion
Avatar for maltzj maltzj
528
40k
How STYLIGHT went responsive
Avatar for nonsquared nonsquared
100
6k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
Avatar for Dan Newman danielanewman
231
22k
Stewardship and Sustainability of Urban and Community Forests
Avatar for Eric Wiseman pwiseman
0
170

Transcript

  1. Why TDD is a dangerous sect Friday, April 20, 12

  2. Why TDD is a dangerous sect Friday, April 20, 12

  3. TDD zealots Friday, April 20, 12

  4. @josevalim Friday, April 20, 12

  5. TDD ? BDD Friday, April 20, 12

  6. TDD ? BDD I don’t care Friday, April 20, 12

  7. Why TDD is a dangerous sect Friday, April 20, 12

  8. TDD is about writing tests Friday, April 20, 12

  9. TDD is about writing tests NOT Friday, April 20, 12

  10. TDD is about writing tests FIRST Friday, April 20, 12

  11. @fxn Friday, April 20, 12

  12. Programming, Motherfucker Friday, April 20, 12

  13. TDD speeds up development Friday, April 20, 12

  14. TDD speeds up development NOT Friday, April 20, 12

  15. TDD actually adds 30-50% time overhead Friday, April 20, 12

  16. TESTS are the best tool for bug removal Friday, April

    20, 12

  17. unit tests integration tests pair-programming code review Friday, April 20,

    12

  18. unit tests integration tests pair-programming code review Friday, April 20,

    12

  19. unit tests integration tests pair-programming code review Friday, April 20,

    12

  20. unit tests integration tests pair-programming code review Friday, April 20,

    12

  21. unit tests integration tests pair-programming code review Friday, April 20,

    12

  22. code review Friday, April 20, 12

  23. unit tests 35% integration tests 30% pair-programming 30% code review

    60% Friday, April 20, 12

  24. TDD is Agile Friday, April 20, 12

  25. TDD projects are NOT Agile Friday, April 20, 12

  26. Individuals and interactions over processes and tools. Working software over

    comprehensive documentation. Customer collaboration over contract negotiation. Responding to change over following a plan. Friday, April 20, 12

  27. Individuals and interactions over processes and tools. Working software over

    comprehensive documentation. Customer collaboration over contract negotiation. Responding to change over following a plan. Friday, April 20, 12

  28. TDD forces good code design Friday, April 20, 12

  29. TDD forces good code design NOT Friday, April 20, 12

  30. TDD forces a design Friday, April 20, 12

  31. Thinking causes good design Friday, April 20, 12

  32. One last thing Friday, April 20, 12

  33. Remember: Test code is just code Friday, April 20, 12

  34. Questions? Friday, April 20, 12