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
WasmをRustにする
Avatar for SansanTech sansantech
PRO
0
260
大型犬好きによるPugの紹介
Avatar for yamanoku yamanoku
1
160
PagerDuty Tech Hub-鳴らすけれど、人は動かない
Avatar for shinji ezaki ezaki
0
180
Active Record Connection Adaptersにおける長年の課題に再び取り組む
Avatar for Yasuo Honda yahonda
0
200
M5Stackで作る BLEマウス GPSログの世界
Avatar for tomokusaba tomokusaba
PRO
0
440
エンタメ企業のM&Aを支えるデータ基盤 ― 統合から店舗のリアルタイム分析まで / Data Engineering Summit 2026
Avatar for GENDA genda
0
190
事業成長とデータ活用を止めないためのマネジメントへ挑戦
Avatar for Noriaki Hiraki hiracky16
0
400
AI導入は済んだ。次は統制を作り替える番だ_AI×開発組織 Summit 2026
Avatar for PERSOL CAREER Dev | techtekt techtekt
PRO
0
320
AI時代のPRレビューにどう向き合うか？
Avatar for KairiM kairim0
1
240
DWH の限界突破！ AI エージェント向け爆速リアルタイムデータ基盤 ClickHouse
Avatar for jozono jozono
1
490
⾮構造化データを価値に変える AI エージェント基盤とその組織
Avatar for 株式会社IVRy（社員登壇資料） ivry_presentationmaterials
0
200
How to Design Configuration for Rails Applications
Avatar for Shinichi Maeshima willnet
1
830

Featured

See All Featured
Agile Leadership in an Agile Organization
Avatar for Dr. Kim W Petersen kimpetersen
PRO
0
280
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
53
4k
Stop Working from a Prison Cell
Avatar for Chris Michel hatefulcrawdad
274
21k
We Have a Design System, Now What?
Avatar for Morgane Peng morganepeng
55
8.4k
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
Avatar for Ines Montani inesmontani
PRO
3
2.5k
Context Engineering - Making Every Token Count
Avatar for Addy Osmani addyosmani
9
1.2k
Done Done
Avatar for chrislema chrislema
187
17k
Navigating the Design Leadership Dip - Product Design Week Design Leaders+ Conference 2024
Avatar for Andy Polaine apolaine
2
480
What does AI have to do with Human Rights?
Avatar for Per Axbom axbom
PRO
1
2.5k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
330
Reality Check: Gamification 10 Years Later
Avatar for Sebastian Deterding codingconduct
0
2.3k
Navigating Weather and Climate Data
Avatar for Ryan Abernathey rabernat
0
560

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