WACATE2019_summer_BPP

WACATE2019 夏のBPPセッションスライドです。

Transcript

1. ։ൃऀ͔ΒݟΔςετ
   2019/06/15~16 WACATE2019 Ն BPPηογϣϯ
   kariad/͔Γ͋Ͳ(@kariad_uu)
   1
   

   View Slide

2. ࣗݾ঺հ
   • kariad / @kariad_uu
   • ยࢁ େथ
   • ΦΠγοΫεɾϥɾେ஍ iOS App Developer
   • / / V / ςετ / ઃܭ / ྉཧ / ήʔϜ
   2
   

   View Slide

3. ςετͱͷؔΘΓ
   • ৽ଔ: SIer ͻͨ͢ΒؤுΔखಈςετɺऴΘΒͳ͍ɺؼΕͳ͍ɺਏ͍….
   • ҟಈ: ΞδϟΠϧɺTDDɺςετָ͍͠
   • స৬: ΞδϟΠϧɺUnitςετಋೖɺςετ΍͍͖ͬͯ
   • QAΤϯδχΞɺςετΤϯδχΞͱݺ͹ΕΔํͱҰॹʹ࢓ࣄΛͨ͜͠
   ͱ͸ͳ͍Ͱ͢
   3
   

   View Slide

4. ࠓ೔࿩͢͜ͱ
   • લճͷࢲͷϙδγϣϯϖʔύʔৼΓฦΓ
   • ։ൃऀ(ࢲ)͸͜͏͍͏෩ʹςετʹ޲͖߹ͬͯ·͢ͱ͍͏࿩

   - ςετ΁ͷϞνϕʔγϣϯ

   - ։ൃऀ͕ςετΛ͠ͳ͍(Ͱ͖ͳ͍)ཧ༝
   4
   

   View Slide

5. ஫ҙʂ
   • ͋͘·Ͱ΋ࢲͷओ؍Ͱ͢ɻશͯͷ։ൃऀ͕͜͏Ͱ͋Δʂͱ͍
   ͏࿩Ͱ͸ͳ͍ͷͰྃ͝ঝ͍ͩ͘͞
   

   View Slide

6. લճ(WACATE2018 ౙ)ͷ
   ࢲͷϙδγϣϯϖʔύʔ
   6
   

   View Slide

7. View Slide

8. ౰೔վΊͯݟͨ࣌ͷࢲͷײ૝
   • ΈΜͳͱൺ΂ͯϑΥϯτ͕Ͱ͔͍
   • †ͱ͔࢖ͬͯதೋප
   • ͳΜ͔ΤϞ͍͚ͩ
   • ਖ਼௚ͪΐͬͱஏ͔͔ͣͬͨ͠…
   8
   

   View Slide

9. ͭ·ΓԿ͕ݴ͍͔ͨͬͨͷ͔
   • ։ൃऀ͔Βࢹ఺Ͱͷςετ΁ͷ૝͍

   ςετ͕͋Δ͜ͱͰ৺ཧత҆શੑͷ͋Δ։ൃ͕Ͱ͖Δ

   Ͱ΋΍Δ͔Βʹ͸ޮ཰తʹ΍Γ͍ͨ
   • ςετ͕޷͖͔ͩΒ஥ྑͯ͘͠Ͷ

   ςετք۾ͷίϛϡχςΟॳࢀՃͩͬͨ
   9
   

   View Slide

10. • ࠓճ΋஌Γ߹͍ͱ͔΄΅͍ͳ͍ͷͰؾܰʹ࿩͔͚ͯ͘͠
    ΕΔͱخ͍͠Ͱ͢
    10
    

    View Slide

11. ։ൃऀͷςετ΁ͷ޲͖߹͍ํ
    

    View Slide

12. ςετ΁ͷϞνϕʔγϣϯ
    (ࢲͳΓʹ)
    12
    

    View Slide

13. • ࢲͨͪͷϛογϣϯ͸ϢʔβʔʹͱͬͯՁ஋͋Δ

    αʔϏεΛఏڙ͢Δ͜ͱ
    • Ձ஋͕͋Δ = ͓٬༷(Ϣʔβʔ)͕خ͍͔͠
    13
    

    View Slide

14. • Ͱ΋࠷ॳ͔Β࠷େԽ͞ΕͨՁ஋Λఏڙ͢Δͷ͸೉͍͠
    • ߟ͑ͨ͜ͱ͕ਖ਼͍͠(Ձ஋͕͋Δ)ͱ͸ݶΒͳ͍

    ϦʔϯɾελʔτΞοϓ
    14
    

    View Slide

15. ϦʔϯɾελʔτΞοϓ
    15
    

    View Slide

16. ϦʔϯɾελʔτΞοϓ
    • ݁ہͲΜͳʹ͍͍΋ͷΛߟ͑ͨͱ͜ΖͰͦΕ͸ࢥ͍ࠐΈ΍Ծ
    આʹ͗͢ͳ͍
    • MVP(Minimum Valuable Product)Ͱݕূ͢Δ
    • Ծઆ → Ծઆݕূ → ֶͼ →ҙࢥܾఆͷαΠΫϧΛճ͢
    16
    

    View Slide

17. ࠷ۙͷτϨϯυʁ

    (σʔλ෼ੳΛݩʹͨ͠։ൃ)
    • ԾઆΛݩʹ࣮૷ͯ͠ϦϦʔε
    • σʔλΛऔಘͯ͠෼ੳ
    • ෼ੳ݁ՌΛݩʹվળͯ͠ϦϦʔε
    

    View Slide

18. • ͲͪΒ΋ͱʹ͔͘ૣ͘αΠΫϧΛճ͍ͨ͠
    • ͱ͸͍͑όά͕͋Γਖ਼ৗʹ࢖͑ͳ͚Ε͹ԾઆݕূͰ͖ͳ
    ͍

    ‎ ࠷௿ݶChecking͸ߦ͍͍ͨ
    18
    

    View Slide

19. • ΞδϟΠϧ։ൃऀͱͯ͠͸ૣ͘Ձ஋ͷ͋ΔαʔϏεΛఏ
    ڙ͢ΔͨΊʹCheckingΛ͍ͨ͠

    ʢͦ΋ͦ΋඼࣭͕௿͔ͬͨΒՁ஋΋Լ͕Δ…ʣ
    19
    

    View Slide

20. ͡Ό͋ͳΜͰChecking(ࠓճ͸Unitςετ)
    ΍Βͳ͍ͷʁ
    20
    

    View Slide

21. • ΊΜͲ͍͘͞
    • ςετʹڵຯ͕ͳ͍
    • ΍Γํ͕Θ͔Βͳ͍
    • CheckingͷॏཁੑΛཧղ͍ͯ͠ͳ͍
    

    View Slide

22. • ΊΜͲ͍͘͞
    • ςετʹڵຯ͕ͳ͍
    • ΍Γํ͕Θ͔Βͳ͍
    • CheckingͷॏཁੑΛཧղ͍ͯ͠ͳ͍
    ΋ͬͱݴ͏ͱɺ
    ΍Γͨͯ͘΋Ͱ͖ͳ͍
    

    View Slide

23. • ΊΜͲ͍͘͞
    • ςετʹڵຯ͕ͳ͍
    • ΍Γํ͕Θ͔Βͳ͍
    • CheckingͷॏཁੑΛཧղ͍ͯ͠ͳ͍
    ΋ͬͱݴ͏ͱɺ
    ΍Γͨͯ͘΋Ͱ͖ͳ͍
    ࢲ͕ߟ͑ΔUnitςετΛ
    ΍Βͳ͍ཧ༝ͷେ͖ͳҰͭ
    

    View Slide

24. Unitςετ࣮ͬͯ͸ͦΜͳʹ
    ؆୯Ͱ͸ͳ͍
    24
    

    View Slide

25. ςετΛॻ͘ͷ͕೉͍͠ཧ༝
    • ςετ͕ॻ͖΍͍͢ઃܭ(Testable)ʹͳ͍ͬͯͳ͍ͱॻ͘͜
    ͱ͕೉͍͠
    • (ແཧ໼ཧ)ॻ͚ͯ΋ځ۶Ͱมߋʹ΋ऑ͘ͳΔ
    • ޙ͔Βઃܭมߋ͸ຊ౰ʹେม…(ςετ͕ͳ͍ͱঘߋ)
    25
    

    View Slide

26. • ଟ͘ͷ৔߹͸ઃܭʹ໰୊͕͋Δ
    • ΋ͪΖΜϑϩʔతͳ໰୊ͷ৔߹΋͋Δ

    UnitςετΛॻ͘ϑϩʔʹͳ͍ͬͯͳ͍ɻ͕࣌ؒͳ͍ɻ
    26
    

    View Slide

27. ͦ΋ͦ΋ઃܭͱ͸
    ”ؔ৺ͷ෼཭ʹΑͬͯ

    ෳࡶͳ໰୊Λ୯७ͳ໰୊ͷ܈ͱͯ͠੾Γ෼͚Δ͜ͱ”
    -iOSΞϓϦઃܭύλʔϯೖ໳ P23 ΑΓ
    27
    

    View Slide

28. • ࠷ۙ͸υϝΠϯతʹ΋ٕज़తʹ΋ෳࡶԽ͍ͯ͠Δ
    • ͦͷͨΊʹઃܭΛߦ͍ෳࡶ͞ʹཱͪ޲͔͏
    • ͖ͪΜͱઃܭ͞Ε͍ͯΔ = ໰୊͕୯७Խ͞Ε͍ͯΔ

    ‎ Testable΁ͷୈҰา
    28
    

    View Slide

29. ઃܭύλʔϯ(ΞʔΩςΫνϟ)
    • MVC / MVP / MVVM / Clean Architecture / Flux…
    • ઃܭํ਑ͱͯ͠ͷϕετϓϥΫςΟεू
    • ͜ΕΒͷଟ͘͸Testable΋ಉ࣌ʹߟ͑ΒΕ͍ͯΔ
    29
    

    View Slide

30. ςετ͕ॻ͖΍͍͢ઃܭͱ͸
    • ໰୊͕୯७Խ͞Ε͍ͯΔ

    Ϟδϡʔϧ͝ͱʹςετ͍ͨ͠੹຿͕γϯϓϧͰ໌֬
    • Ϟδϡʔϧؒͷґଘੑ͕ͳ͍

    ςετ͍ͨ͠੹຿͕ଞϞδϡʔϧͷӨڹΛड͚ͳ͍
    30
    

    View Slide

31. ෳࡶͳ੹຿Λ࣋ͬͨϞδϡʔϧ
    • xxઍߦΈ͍ͨͳΫϥε
    • ௕͗ͯ͢΋͸΍ԿΛ΍͍ͬͯΔͷ͔Θ͔Βͳ͍ϝιου
    • ΍ͨΒͱίϝϯτͰઆ໌ͯ͋͠Δ(ݸਓతҙݟ)
    31
    

    View Slide

32. ੹຿աଟΛͲ͏ݟ෼͚Δ͔ʁ
    32
    

    View Slide

33. “ίʔυͷ੠Λௌ͘”
    33
    

    View Slide

34. • ςετ͕ॻ͖ͮΒ͍…
    • ॲཧ͕ෳࡶԽ͖͍ͯͯ͠Δ…
    • ඞͣͦ͜ʹࠟ੻͸͋Δ
    • ίʔυͷष͍ͱ΋
    34
    

    View Slide

35. ઃܭͷݪଇ
    • ༗໊ͳ΋ͷͰ͸SOLIDݪଇ
    • ୯Ұ੹೚ݪଇɺ։์ด࠯ݪଇɺϦείϑͷஔ׵ݪଇɺΠϯ
    λʔϑΣʔε෼཭ͷݪଇɺґଘؔ܎ٯసͷݪଇ
    • ઃܭͷݪଇΛ༻͍ͯίʔυͷष͍ΛऔΓআ͘
    

    View Slide

36. Ϟδϡʔϧؒͷґଘੑ͕͋Δ
    • ଞϞδϡʔϧͷ࣮૷͕มΘΔ͜ͱͰͪ͜Βͷॲཧ͕ӨڹΛड
    ͚ͯ͠·͏͜ͱ
    36
    

    View Slide

37. func didTapSearchButton(text: String?) {
    ~~~ লུ ~~~
    SearchModel().search(searchWord: searchWord) { result in
    switch result {
    case .success(let events):
    ~~ লུ ~~
    case .failure:
    ~~ লུ ~~
    }
    }
    }
    37
    

    View Slide

38. func didTapSearchButton(text: String?) {
    ~~~ লུ ~~~
    SearchModel().search(searchWord: searchWord) { result in
    switch result {
    case .success(let events):
    ~~ লུ ~~
    case .failure:
    ~~ লུ ~~
    }
    }
    }
    ͜͜ͷॲཧΛςετ͍ͨ͠
    38
    

    View Slide

39. func didTapSearchButton(text: String?) {
    ~~~ লུ ~~~
    SearchModel().search(searchWord: searchWord) { result in
    switch result {
    case .success(let events):
    ~~ লུ ~~
    case .failure:
    ~~ লུ ~~
    }
    }
    }
    SearchModelͷ࣮૷ʹ
    ґଘ͍ͯ͠Δ
    39
    

    View Slide

40. func didTapSearchButton(text: String?) {
    ~~~ লུ ~~~
    SearchModel().search(searchWord: searchWord) { result in
    switch result {
    case .success(let events):
    ~~ লུ ~~
    case .failure:
    ~~ লུ ~~
    }
    }
    }
    SearchModelͷ࣮૷͕มΘΔͱ
    ͪ͜Βͷ݁Ռ΋มΘͬͯ͠·͏
    40
    

    View Slide

41. func didTapSearchButton(text: String?, model: SearchModel) {
    ~~~ লུ ~~~
    model.search(searchWord: searchWord) { result in
    switch result {
    case .success(let events):
    ~~ লུ ~~
    case .failure:
    ~~ লུ ~~
    }
    }
    }
    ֎ଆ͔ΒΦϒδΣΫτΛ
    ౉͢Α͏ʹ
    41
    

    View Slide

42. func didTapSearchButton(text: String?, model: SearchModelProtocol) {
    ~~~ লུ ~~~
    model.search(searchWord: searchWord) { result in
    switch result {
    case .success(let events):
    ~~ লུ ~~
    case .failure:
    ~~ লུ ~~
    }
    }
    }
    ౉͢ܕΛந৅Խ͞Εͨ
    ܕʹ͢Δ
    42
    

    View Slide

43. 43
    protocol SearchEventModelProtocol {
    func search(searchWord: String, completion: @escaping ((Result<[ConnpassEvent]>) -> ()))
    }
    Protocol
    

    View Slide

44. class FakeSearchEventModel: SearchEventModelProtocol {
    var search_successValue = [ConnpassEvent]()
    func search(searchWord: String, completion: @escaping ((Result<[ConnpassEvent]>) -> ())) {
    search_callCount += 1
    search_arguments = searchWord
    completion(.success(search_successValue))
    }
    }
    class FakeFailureSearchEventModel: SearchEventModelProtocol {
    func search(searchWord: String, completion: @escaping ((Result<[ConnpassEvent]>) -> ())) {
    search_arguments = searchWord
    completion(.failure)
    }
    }
    ελϒ
    ґଘ͢ΔΦϒδΣΫτͷ݁ՌΛ
    ίϯτϩʔϧͰ͖Δ
    

    View Slide

45. • ͜ͷґଘ͢ΔΦϒδΣΫτΛ֎ଆ͔Β౉্ͯ͛͠Δ͜ͱ
    ΛDI(Dependency Injection)ͱ͍͏
    • ౉͢ΦϒδΣΫτ͸ந৅Խ͞Ε͍ͯΔͷͰɺςετίʔ
    υ͔Β͸ελϒΛ౉͢͜ͱ͕Ͱ͖Δ
    • Modelͷ࣮૷ʹґଘͤͣ੒ޭɺࣦഊͦΕͧΕͷςετ͕
    ՄೳͱͳΔ
    45
    

    View Slide

46. • ࣮ࡍʹ͸JavaͰ͋Ε͹MockitoΛ࢖͑͹΋͏গָ͠ʹͳͬ
    ͨΓ͸͋Δ
    • ͕ɺSwiftͰ͸ϥΠϒϥϦΛ༻͍ͳ͍͜ͷύλʔϯ͕ൺֱ
    తଟ͍
    • ͜ΕΒͷ஌͕ࣝͳ͍ͱॻ͘͜ͱ͕೉͍͠
    46
    

    View Slide

47. ઃܭҎ֎ͷཁૉ
    • ςεςΟϯάϑϨʔϜϫʔΫͷ࢖͍ํ(XCTest, Quick/Nimble)
    • ඇಉظॲཧͷςετ
    • ಛʹඇಉظ͸׳Εͳ͍ͱ೉͍͠

    iOSͰ͸ReactiveX(RxSwift)͕ελϯμʔυ(Combine)
    47
    

    View Slide

48. ReactiveX
    • FRP(Functional Reactive Programming)
    • ௒ͬ͘͟Γ͍͏ͱStreamͱ͍͏࣌ؒͷྲྀΕΛ༻͍ͯඇಉظॲཧΛ؆
    ܿʹॻ͚ΔΑ͏ʹͨ͠ख๏
    • บ͕͋ΔͷͰ׳Εͳ͍ͱগ͠೉͍͠
    • ςετͰ΋ಉظతʹѻͬͯ͋͛ͨΓɺςετ༻ͷStreamͰ؅ཧͨ͠Γ
    48
    

    View Slide

49. ςετΛॻͨ͘Ίʹ஌Βͳ͖Ό
    ͍͚ͳ͍͜ͱ͸ଟ͍
    49
    

    View Slide

50. • ΍Βͳ͍ͷͰ͸ͳ͘΍ΔεΩϧ͕ແ͔ͬͨ
    • ΍Γͨͯ͘΋αΫοͱͰ͖ΔઃܭͰ͸ແ͔ͬͨ
    • Ͱ΋͜ͷลͷ஌ࣝɺͲ͜Ͱֶ΂͹͍͍ͷ…ʁ
    

    View Slide

51. ֶͿͨΊͷ໌Δ͍ஹ͠
    51
    

    View Slide

52. ίϛϡχςΟͷಇ͖
    • ςετʹؔ͢Δษڧձ (TestNight)
    • Ϋϥ΢υϑΝ΢ϯσΟϯά(PEAKS)ʹΑΔ

    Android / iOSςετશॻץߦ(iOS͸8݄༧ఆ)
    52
    

    View Slide

53. ٕज़ॻయ
    લճࢲ΋͜Μͳͷग़͠·ͨ͠
    

    View Slide

54. ·ͱΊ
    • গͳ͘ͱ΋ϞόΠϧΞϓϦ։ൃऀ಺Ͱ΋ςετʹର͢Δҙࣝ
    ͸ؒҧ͍ͳ͘ߴ·͍ͬͯΔ(ͱࢥ͏)
    • αʔόɺϑϩϯτͳͲ΋ϑϨʔϜϫʔΫͷൃల΍ΞδϟΠϧ
    ͷਁಁͱͱ΋ʹҙࣝ͸ߴ·͍ͬͯΔΑ͏ʹݟ͑Δ
    54
    

    View Slide

55. • ؍ଌൣғͰ͸ςετΛͲ͏ʹ͔͍ͨ͠ͱࢥ͍ͬͯΔ։ൃ
    ऀ͕ଟ͍
    • Ձ஋͋ΔαʔϏεΛಧ͚͍ͨͱ͍͏ࢥ͍͸୭͠΋ಉ͡ͳ
    ͸ͣ
    • ։ൃऀ/ςετΤϯδχΞ͕ڠྗͯ͠ςετʹର͢Δ஌ݟ
    ΛਂΊ͍͚ͯͨΒخ͍͠
    55
    

    View Slide

56. • iOSΞϓϦઃܭύλʔϯೖ໳

    ؔ ོٛɾদؗ େًɾླ໦ େوɾਿ্ ༸ฏɾ࢙ ᠳ৽ɾాத ݡ
    ࣏ɾՃ౻ ׮ਓ ஶ

    https://peaks.cc/books/iOS_architecture
    • Clean Architecture ୡਓʹֶͿιϑτ΢ΣΞͷߏ଄ͱઃܭ

    Robert.C.Martinஶ ֯ ੐యɾߴ໦ ਖ਼߂ ༁
    ࢀߟॻ੶
    

    View Slide

57. • Test Night

    https://testnight.connpass.com/
    • Androidςετશॻ

    https://peaks.cc/books/android_testing
    • iOSςετશॻ

    https://peaks.cc/iOS_testing
    

    View Slide

58. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    58
    

    View Slide