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

Unit Testing in Swift

Avatar for DAloG DAloG
March 19, 2016
Programming
2
350

Unit Testing in Swift

Avatar for DAloG

DAloG

March 19, 2016
Tweet

More Decks by DAloG

See All by DAloG
State normalization (RU)
Avatar for DAloG dalog
0
170
Redux + MQTT
Avatar for DAloG dalog
1
760
От задач к проблемам
Avatar for DAloG dalog
1
240
Unlimited power of Data-Driven UI
Avatar for DAloG dalog
4
620
Data-Driven View Controllers. Tips and Tricks
Avatar for DAloG dalog
5
1.9k
2 years of Redux in iOS. Lessons learned
Avatar for DAloG dalog
0
350
Why unidirectional architecture matter for iOS.
Avatar for DAloG dalog
1
280
Mobile backend without REST
Avatar for DAloG dalog
2
92
Self managed teams 101
Avatar for DAloG dalog
0
130

Other Decks in Programming

See All in Programming
Rubyの!メソッドをちゃんと理解する
Avatar for Yuto Urushima alstrocrack
1
120
Ruby で作る RISC-V CPU エミュレーター / RISC-V CPU emulator made with Ruby
Avatar for hachi (Hayao Kimura) hayaokimura
4
350
Bedrock × Confluenceで簡単(?)社内RAG
Avatar for iharuoru iharuoru
1
110
読書シェア会 vol.4 『ダイナミックリチーミング 第2版』
Avatar for Kotaro Kamashima kotaro666
0
110
Improve my own Ruby
Avatar for monochrome sisshiki1969
0
100
ニーリーQAのこれまでとこれから
Avatar for Nealle nealle
2
170
VitestのIn-Source Testingが便利
Avatar for taro taro28
8
2.4k
The Missing Link in Angular’s Signal Story: Resource API and httpResource
Avatar for Manfred Steyer manfredsteyer
PRO
0
140
オープンソースコントリビュート入門
Avatar for katsuma _katsuma
0
120
今話題のMCPサーバーをFastAPIでサッと作ってみた
Avatar for Yuuki Shimizu yuukis
0
110
SwiftDataのカスタムデータストアを試してみた
Avatar for 1mash0 1mash0
0
140
The Implementations of Advanced LR Parser Algorithm
Avatar for Junichi Kobayashi junk0612
2
1.4k

Featured

See All Featured
GraphQLとの向き合い方2022年版
Avatar for Yosuke Kurami quramy
46
14k
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
28
3.8k
Building Better People: How to give real-time feedback that sticks.
Avatar for Will Jessup wjessup
367
19k
Build your cross-platform service in a week with App Engine
Avatar for Jose L jlugia
230
18k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
329
21k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
129
19k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
Avatar for Vitaly Friedman smashingmag
251
21k
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
656
60k
Speed Design
Avatar for Sergey Chernyshev sergeychernyshev
29
930
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
179
53k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
Avatar for Kevin Liebholz kevinliebholz
32
5.5k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
160
15k

Transcript

  1. DO YOU WANT TO TALK ABOUT UNIT TESTIG IN SWIFT?

    #itsat @daloog ¯\_(ϑ)_/¯ Alexey Demedetskiy Sigma Software

  2. THANK YOU APPLE!

  3. 99% OF IOS APPS ARE SHIPPED WITH UNIT TESTING!

  4. WORKOUT TIME!!

  5. None

  6. (˽°□°)˽Ɨ ˍʓˍ

  7. ARE UNIT TESTS WORTH IT? HTTP://STACKOVERFLOW.COM/QUESTIONS/237000/IS- THERE-HARD-EVIDENCE-OF-THE-ROI-OF-UNIT-TESTING

  8. TIME += 30% HTTP://COLLABORATION.CSC.NCSU.EDU/LAURIE/PAPERS/ TDDPAPERV8.PDF

  9. DEFECTS -= 60% HTTP://RESEARCH.MICROSOFT.COM/EN-US/GROUPS/ESE/ NAGAPPAN_TDD.PDF

  10. TESTS ARE GREAT!

  11. !(ಠፅಠ!)

  12. WHY WE ARE NOT RUBY?

  13. None

  14. 1) MARKET HUSTLE

  15. 2) APPLE FRAMEWORKS

  16. 3) LACK OF EXPERTISE

  17. 4) OUTSOURCE

  18. ⌛ ➡

  19. UNIT TESTS ARE WRITTEN BY DEVELOPERS.

  20. None

  21. TESTS ARE DEVELOPERS RESPONSIBILITY

  22. DON’T SELL THEM WRITE THEM

  23. WHY DO WE NEED TO WRITE TESTS?

  24. 1) REFACTORING

  25. 2) CONFIDENCE

  26. 3) CATCHING ERRORS

  27. 4) REGRESSION

  28. ➡❌➡⌨➡✅

  29. HOW TO WRITE TESTS?

  30. None

  31. UNIT AS SMALLEST LOGIC CONTAINER

  32. FUNCTION

  33. INPUT ➡ OUTPUT

  34. None
  35. None

  36. PURE FUNCTIONS

  37. METHOD

  38. MUTATION OF STATE

  39. None

  40. VOID ➡ VOID

  41. INPUT ➡ OUTPUT

  42. DOMAIN == CODOMAIN

  43. ALL MY CODE IS FUNCTIONAL, WHERE EVERY FUNCTION TAKES ONE

    ARGUMENT: ALL MY PROGRAM'S STATE.

  44. OBJECT

  45. None

  46. DEPENDENCIES

  47. TRANSITIVE DEPENDENCIES

  48. None

  49. INITIAL STATE

  50. ORDER OF OPERATIONS

  51. UNIT AS SMALLEST LOGIC CONTAINER

  52. None

  53. TESTS

  54. GWT

  55. GIVEN WHEN THEN

  56. None

  57. AAA

  58. ARRANGE ACT ASSERT

  59. None

  60. SRV

  61. SETUP RECORD VERIFY

  62. FUNCTIONS - GWT

  63. METHODS - AAA

  64. OBJECTS - SRV

  65. VALUE TESTS

  66. BEHAVIOR TESTS

  67. INTEGRATION TESTS

  68. CLIENT TESTS

  69. PYRAMID OF TESTS HTTP://TODDLITTLEWEB.COM/WORDPRESS/2014/06/23/ THE-TESTING-DIAMOND-AND-THE-PYRAMID-2/

  70. None
  71. None

  72. TEST COVERAGE HTTP://MARTINFOWLER.COM/BLIKI/ TESTCOVERAGE.HTML

  73. None
  74. None

  75. TESTS

  76. None

  77. SIDE EFFECTS

  78. RETURN VALUE

  79. FUNCTION CALL

  80. STATE CHANGE

  81. SIDE EFFECTS

  82. None

  83. SWIFT

  84. DEPENDENCIES

  85. STRUCT

  86. INTERNAL

  87. None

  88. PROTOCOL

  89. EXTERNAL

  90. XCTEST

  91. QUICK / NIMBLE HTTPS://GITHUB.COM/QUICK/QUICK

  92. RECORDER HTTPS://GIST.GITHUB.COM/ALEXEYDEMEDETSKIY/ 7A148559C81472A314F7

  93. None

  94. SWIFT

  95. None
  96. None

  97. HTTPS://GITHUB.COM/XNEKOIX/FUNTIONALMVP

  98. HTTP://WWW.AMAZON.COM/WORKING-EFFECTIVELY- LEGACY-MICHAEL-FEATHERS/DP/0131177052

  99. HTTP://WWW.AMAZON.COM/EXTREME-PROGRAMMING- EXPLAINED-EMBRACE-EDITION/DP/0321278658

  100. QUESTIONS: @DALOOG DALOG@ME.COM NOBIDON