Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Programowanie wspierane przez testy po londyńsku

Avatar for Jakub Zalas Jakub Zalas
May 27, 2023
Technology
270
0

Programowanie wspierane przez testy po londyńsku

Avatar for Jakub Zalas

Jakub Zalas

May 27, 2023

More Decks by Jakub Zalas

See All by Jakub Zalas
Test doubles explained in Kotlin
Avatar for Jakub Zalas jakzal
0
320
Your tests are mocking you
Avatar for Jakub Zalas jakzal
0
270
Statyczna analiza aplikacji Symfony
Avatar for Jakub Zalas jakzal
2
370
Symfony 4 (Flex included)
Avatar for Jakub Zalas jakzal
5
490
Lightning fast tests at Dutch PHP Conference
Avatar for Jakub Zalas jakzal
3
640
Eating spaghetti with Symfony
Avatar for Jakub Zalas jakzal
13
4.6k
Lightning fast Symfony tests
Avatar for Jakub Zalas jakzal
1
2.3k
Embracing change at BrnoPHP
Avatar for Jakub Zalas jakzal
9
2.5k
Embracing change
Avatar for Jakub Zalas jakzal
5
1.3k

Other Decks in Technology

See All in Technology
Vibe Coding で作ったプロダクトをどう安全に動かすか / How to Safely Run Products Built with Vibe Coding
Avatar for Akira Maeda glidenote
0
780
認知負荷を吸収し、プロダクトをまたぐPR Preview基盤の設計事例
Avatar for taiki45 taiki45
2
430
ADKで始める業務改善 - AIエージェント開発時の考えと設計
Avatar for Kazuki Hara harappa80
2
290
LT:「このままでいいのかな？」から一歩踏み出した私のデータキャリア選択〜社会人3年目に上京を決意したリアル〜Snowflake女子会 vol.8
Avatar for SnowflakeLadiesGroup snowwmn0824
0
110
覗いてみよう 関数型ビジュアル言語×2Dグラフィックスの世界
Avatar for Yohei Yamasaki yohyamasaki
0
130
なぜ「決定性」が 決定的に重要なのか？ Durable Execution 基盤の数理的理解 #serverlessjp / ServerlessDays Tokyo 2026
Avatar for y_taka_23 ytaka23
4
1.3k
AIは推し活である。
Avatar for くらず / Kurazu kurazuuuuuu
2
990
セルフサービスのオブザーバビリティ基盤をOpenTelemetryで作る / Building a Self-Service Observability Platform with OpenTelemetry
Avatar for ymotongpoo ymotongpoo
3
390
AI感のないAWS構成図をAIエージェントに描かせたい！
Avatar for さご sagochiko
2
450
10年欲しかった音楽管理アプリを、AIと一緒に作りはじめた
Avatar for log5 judau
1
140
AIに書かせて、プラットフォームで縛る ― EKSプラットフォームで実践した責任境界と権限設計
Avatar for elmo elmodev09
0
830
Azure Serverless 2026：Production-ready な AI エージェント基盤 / Azure Serverless 2026: Production-Ready AI Agent Platform
Avatar for miyake miyake
2
630

Featured

See All Featured
Unsuck your backbone
Avatar for Amy Palamountain ammeep
672
58k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
310
CSS Pre-Processors: Stylus, Less & Sass
Avatar for Bermon Painter bermonpainter
360
31k
Bridging the Design Gap: How Collaborative Modelling removes blockers to flow between stakeholders and teams @FastFlow conf
Avatar for Kenny Baas-Schwegler baasie
0
710
Google's AI Overviews - The New Search
Avatar for Barry Adams badams
0
1.6k
The Limits of Empathy - UXLibs8
Avatar for Cassini Nazir cassininazir
1
690
Build The Right Thing And Hit Your Dates
Avatar for Maggie C. maggiecrowley
39
3.5k
Un-Boring Meetings
Avatar for Sebastian Deterding codingconduct
0
430
The Spectacular Lies of Maps
Avatar for Per Axbom axbom
PRO
1
1k
Building AI with AI
Avatar for Ines Montani inesmontani
PRO
1
1.3k
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
52
3.9k
[SF Ruby Conf 2025] Rails X
Avatar for Vladimir Dementyev palkan
3
1.4k

Transcript

  1. JAKUB ZALAS PO LONDYŃSKU PROGRAMOWANIE WSPIERANE PRZEZ TESTY PHP EDITION

  2. Jakub Zalas @jakub_zalas @jakub_zalas @jakzal

  3. - Behaviour - Veri fi cation - The chain premise

    - Collaboration tests - Test doubles - Contract tests - Mocking hell PLAN
  4. None
  5. None
  6. None
  7. None
  8. None
  9. None
  10. None

  11. https://blog.thecodewhisperer.com/permalink/integrated-tests-are-a-scam Beware the Integrated Tests Scam J. B. Rainsberger /

    @jbrains
  12. None
  13. None
  14. None
  15. None
  16. None
  17. None
  18. None
  19. None
  20. None
  21. None

  22. VS

  23. None
  24. None
  25. None
  26. None

  27. VS

  28. None
  29. None
  30. None
  31. None

  32. DATA CALCULATIONS ACTIONS Grokking Simplicity Eric Normand 2021

  33. None
  34. None

  35. “TEST A CHAIN BY TESTING EACH LINK” MICHAEL "GEEPAW" HILL

    https://www.geepawhill.org/2018/01/16/underplayed-the-chain-premise-in-depth/
  36. None
  37. None
  38. None
  39. None
  40. None

  41. WE GET TO CHOOSE WHEN AND WHERE WE BREAK THE

    DEPENDENCY CHAIN FOR TESTING
  42. None
  43. None

  44. COLLABORATION TESTS

  45. INDIRECT INPUT INDIRECT OUTPUT

  46. None
  47. None
  48. None
  49. None
  50. None
  51. None

  52. xUnit Test Patterns Refactoring Test Code Gerard Meszaros 2007

  53. WE HAVE DETECTED UNUSUALLY HIGH SPENDING ON YOUR CARD IN

    THESE CATEGORIES: • YOU SPENT £101.19 ON FOOD • YOU SPENT £27.70 ON ENTERTAINMENT https://github.com/testdouble/contributing-tests/wiki/Unusual-Spending-Kata

  54. SPY & STUB HAND-CRAFTED

  55. None

  56. A REAL OBJECT, BUT A DUMMY WOULD WORK AS WELL.

  57. None

  58. A SPY

  59. A SPY

  60. None
  61. None
  62. None

  63. A STUB

  64. A STUB

  65. None
  66. None

  67. MOCK OBJECT HAND-CRAFTED

  68. A MOCK OBJECT

  69. A MOCK OBJECT

  70. None

  71. A MOCK OBJECT

  72. STUB & MOCK OBJECT WITH A MOCKING FRAMEWORK

  73. A STUB

  74. A MOCK OBJECT

  75. None

  76. A MOCK OBJECT

  77. CONTRACT TESTS aka "Role tests"

  78. None
  79. None
  80. None
  81. None
  82. None
  83. None

  84. UnusualSpendingNotificationUseCaseTest

  85. UnusualSpendingNotificationUseCaseTest

  86. UnusualSpendingQueryTest UnusualSpendingQueryTest UnusualSpendingNotificationUseCaseTest

  87. None
  88. None
  89. None
  90. None
  91. None
  92. None
  93. None
  94. None
  95. None
  96. None
  97. None
  98. None
  99. None
  100. None
  101. None
  102. None
  103. None
  104. None
  105. None
  106. None
  107. None
  108. None
  109. None
  110. None
  111. None
  112. None
  113. None
  114. None
  115. None
  116. None
  117. None
  118. None

  119. THANK YOU Verify behaviour Mock roles, not objects Listen to

    your tests Leverage test doubles as a TDD tool @jakub_zalas @jakub_zalas @jakzal