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

Programowanie wspierane przez testy po londyńsku

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Jakub Zalas Jakub Zalas
May 27, 2023
Technology
250
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
260
Your tests are mocking you
Avatar for Jakub Zalas jakzal
0
220
Statyczna analiza aplikacji Symfony
Avatar for Jakub Zalas jakzal
2
360
Symfony 4 (Flex included)
Avatar for Jakub Zalas jakzal
5
480
Lightning fast tests at Dutch PHP Conference
Avatar for Jakub Zalas jakzal
3
610
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
1.2k

Other Decks in Technology

See All in Technology
Databricks Lakebaseを用いたAIエージェント連携
Avatar for Daiki Akimoto NTTD daiki_akimoto_nttd
0
150
チームで育てるAI自走環境_20260409
Avatar for Taiga Fukuda fuktig
0
710
自分をひらくと次のチャレンジの敷居が下がる
Avatar for aki sudoakiy
5
1.8k
Microsoft Fabricで考える非構造データのAI活用
Avatar for Ryoma Nagata ryomaru0825
0
650
建設的な現実逃避のしかた / How to practice constructive escapism
Avatar for Pauli pauli
3
180
プロダクトを触って語って理解する、チーム横断バグバッシュのすすめ / 20260411 Naoki Takahashi
Avatar for SHIFT EVOLVE shift_evolve
PRO
0
110
Oracle Cloud Infrastructure：2026年3月度サービス・アップデート
Avatar for oracle4engineer oracle4engineer
PRO
0
380
AIにより大幅に強化された AWS Transform Customを触ってみる
Avatar for arap / 0air 0air
0
310
主催・運営として"場をつくる” というアウトプットのススメ
Avatar for もっさん _mossann_t
0
110
Network Firewall Proxyで 自前プロキシを消し去ることができるのか
Avatar for ぐっさん gusandayo
0
190
OCI技術資料 : 証明書サービス概要
Avatar for Oracle Cloud Infrastructure ソリューション・エンジニア ocise
1
7.2k
Cortex Code君、今日から内製化支援担当ね。
Avatar for あべ coco_se
0
270

Featured

See All Featured
Joys of Absence: A Defence of Solitary Play
Avatar for Sebastian Deterding codingconduct
1
330
Fireside Chat
Avatar for paigeccino paigeccino
42
3.9k
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
Avatar for Michelle Schulp Hunt marktimemedia
31
2.7k
So, you think you're a good person
Avatar for Per Axbom axbom
PRO
2
2k
Leo the Paperboy
Avatar for Maya Tellez mayatellez
6
1.6k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
133
19k
Color Theory Basics | Prateek | Gurzu
Avatar for Gurzu gurzu
0
280
Introduction to Domain-Driven Design and Collaborative software design
Avatar for Kenny Baas-Schwegler baasie
1
700
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
59
6.4k
職位にかかわらず全員がリーダーシップを発揮するチーム作り / Building a team where everyone can demonstrate leadership regardless of position
Avatar for MADOX madoxten
62
53k
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k

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