開発を効率化するテストのデザインパターン

2017/3/13 iOS Test Night #3
https://testnight.connpass.com/event/49561/

Transcript

1. ։ൃΛޮ཰Խ͢Δ

   ςετͷσβΠϯύλʔϯ
   

   View Slide

2. "CPVUNF
   

   View Slide

3. 4XJGUϲ݄໨ͷਓؒ
   ࢦఠɾΞυόΠε׻ܴʂ
   

   View Slide

4. ࠓ೔঺հ͢Δύλʔϯ
   

   View Slide

5. ܕʹΑΔ๷ޚ
   

   View Slide

6. ςετ

   ༰қઃܭ
   

   View Slide

7. ςετͷ

   ߏ଄Խ
   

   View Slide

8. σόοάͷ

   ޮ཰Խ
   

   View Slide

9. લͷ΋ͷ΄ͲΦεεϝ
   

   View Slide

10. ࣮૷ྫ͋Γ·͢
    

    View Slide

11. View Slide

12. View Slide

13. ܕʹΑΔ๷ޚ
    

    View Slide

14. ͦ΋ͦ΋ςετͬͯ

    ޮ཰తͳͷͩΖ͏͔ʁ
    

    View Slide

15. ߏจϋΠϥΠτ
    Ϧϯτ
    ੩తܕݕࠪ
    ୯ମɾ݁߹ςετ
    &&ςετ
    खಈಈ࡞֬ೝ
    όά9Λݟ͚ͭͨ৔ॴ
    όά9
    

    View Slide

16. ߏจϋΠϥΠτ
    Ϧϯτ
    ੩తܕݕࠪ
    ୯ମɾ݁߹ςετ
    &&ςετ
    खಈಈ࡞֬ೝ
    όά"
    ্ͷํͰࢭ·Δͱ
    ॴཁ͕࣌ؒ୹͍
    όά#
    ςετͩͱ͕࣌ؒ

    ͔͔Δ
    

    View Slide

17. ͳΔ΂͘ςετલʹ

    όάΛݟ͚͍ͭͨ
    ͜Ε͕ޮ཰త
    

    View Slide

18. Semantic Type
    σβΠϯύλʔϯ
    

    View Slide

19. จࣈྻͱͯ͠ͷૢ࡞͸

    ඞཁͳ͍ͷͰӅ͢
    ҙຯʹΑΔಠࣗܕ
    5FTUBCMF%FTJHO&YBNQMF(JU)VC(JU)VC6TFSTXJGU--
    

    View Slide

20. Ϣʔβʔ໊Λड͚औΕΔ

    ؔ਺ʹ͔͠౉ͤͳ͍
    5FTUBCMF%FTJHO&YBNQMF(JU)VC(JU)VC3FQPTJUPSZTXJGU--
    

    View Slide

21. ؒҧͬͨॲཧΛॻ͖ͮΒ͍

    

    Մಡੑ΋ߴ·Δ
    

    View Slide

22. Registration
    Token
    σβΠϯύλʔϯ
    

    View Slide

23. ඞཁͳࣄલͷॲཧΛ

    ๨Εͳ͍Α͏ʹ͢Δύλʔϯ
    

    View Slide

24. 5PLFO͕ඞཁ
    5BCMF7JFX$FMMΛ࡞Δؔ਺
    5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FS$FMMTXJGU--
    

    View Slide

25. উखʹ࡞Εͳ͍
    ొ࿥͢ΔͱೖखͰ͖Δ
    5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FS$FMMTXJGU--
    

    View Slide

26. ඞཁͳࣄલͷॲཧΛ๨ΕΔͱ

    ܕݕࠪʹ௨Βͳ͍
    

    View Slide

27. ςετ

    ༰қઃܭ
    

    View Slide

28. ਓؒ͸ςετ༰қͳ

    ΋ͷ͔͠ςετͰ͖ͳ͍
    

    View Slide

29. ViewController

    Factory
    σβΠϯύλʔϯ
    

    View Slide

30. 3FOBNFͳͲͰ

    4UPSZCPBSEͱͷ੔߹ੑ͸

    ؆୯ʹյΕΔ
    5)&ݫ͍͠
    

    View Slide

31. 7JFX$POUSPMMFSͷ࡞੒ؔ਺
    'PSDF6OXSBQܕ͸͜͜Ͱଋറ
    5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FST.WD$PNQPTFSTXJGU--
    

    View Slide

32. ͜͜Ͱ׆͖Δ
    7JFX$POUSPMMFSͱ4UPSZCPBSEͷ੔߹ੑΛݕূ
    5FTUBCMF%FTJHO&YBNQMF5FTUT.WD"SDIJUFDUVSF4UBSHB[FS.WD$PNQPTFS5FTUTTXJGU
    

    View Slide

33. ΋͠࡞Εͳ͔ͬͨΒҟৗ
    ࣮ࡍʹදࣔ·Ͱ࣮ߦ
    5FTUBCMF%FTJHO&YBNQMF5FTUT/BWJHBUPS5FTU/BWJHBUPSTXJGU
    

    View Slide

34. State-Machine

    Model
    σβΠϯύλʔϯ
    

    View Slide

35. .7 ͷ.PEFMͷ

    ໢ཏςετ͸೉͍͠
    ໢ཏ͖͠Εͳ͍ʂ
    

    View Slide

36. .PEFMͷঢ়ଶભҠΛ੍ݶ
    ͔ͩΒ
    

    View Slide

37. .firstFetching
    .fetched(.success(x))
    .fetching(.success(x))
    .fetched(.failure(e))
    .fetching(.failure(e))
    FOVN͕ศར
    5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FST.PEFMTXJGU--
    

    View Slide

38. ͦΕͧΕͷ໼ҹΛ

    ౓ςετ͢Δ͚ͩͰΑ͍
    

    View Slide

39. .firstFetching
    .fetched(.success(x))
    .fetching(.success(x))
    .fetched(.failure(e))
    .fetching(.failure(e))
    ͜ͷྫͰ͸ຊͰ໢ཏ
    5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FST.PEFMTXJGU--
    

    View Slide

40. ঢ়ଶ਺͕രൃ͢Δલʹ

    ঢ়ଶ਺Λ੍ݶͯ͠ѹ౗త໢ཏ
    

    View Slide

41. ςετͷ

    ߏ଄Խ
    

    View Slide

42. ςετ͕૿͑ΔʹͭΕ

    ςετࣗମͷอकੑ͕ॏཁʹͳΔ
    

    View Slide

43. Parameterized

    Test
    σβΠϯύλʔϯ
    

    View Slide

44. ྨࣅͨ͠ςετέʔε͕

    ଟ͍৔߹ͷύλʔϯ
    

    View Slide

45. ςετέʔεΛ
    σʔλߏ଄ʹམͱ͢
    ෳ਺ͷςετέʔεΛ·ͱΊΔ
    5FTUT.JSSPS%J⒎,JU5FTUT%J⒎BCMF4FU5FTUTTXJGU-
    ˞͍͍ྫ͕αϯϓϧʹͳ͔ͬͨͷͰผ͔Βर͍ͬͯ·͢ɻ
    

    View Slide

46. ςετέʔε͸ϧʔϓͰ࣮ߦ͢Δ
    5FTUT.JSSPS%J⒎,JU5FTUT%J⒎BCMF4FU5FTUTTXJGU-
    ˞͍͍ྫ͕αϯϓϧʹͳ͔ͬͨͷͰผ͔Βर͍ͬͯ·͢ɻ
    

    View Slide

47. ςετέʔεΛྔ࢈Ͱ͖Δ
    5FTUT.JSSPS%J⒎,JU5FTUT%J⒎BCMF4FU5FTUTTXJGU-
    ˞͍͍ྫ͕αϯϓϧʹͳ͔ͬͨͷͰผ͔Βर͍ͬͯ·͢ɻ
    

    View Slide

48. MJOFΛLFZʹ͢Δͱ

    ৔ॴ͕Θ͔Γ΍͍͢
    5FTUT.JSSPS%J⒎,JU5FTUT%J⒎BCMF4FU5FTUTTXJGU-
    ˞͍͍ྫ͕αϯϓϧʹͳ͔ͬͨͷͰผ͔Βर͍ͬͯ·͢ɻ
    

    View Slide

49. Promisified

    Test
    σβΠϯύλʔϯ
    

    View Slide

50. ඇಉظςετ͸೰Έ͕ଟ͍
    ಡΈͮΒ͍͜ͱ͕ଟ͍
    

    View Slide

51. View Slide

52. Ұํ+4քͰ͸1SPNJTFʹ

    ΑΔඇಉظςετ͕༏੎
    ඇಉظͳ஋ͷऔಘͷσβΠϯύλʔϯ
    

    View Slide

53. J04Ͱ΋࢖͍͍ͨʜ
    

    View Slide

54. View Slide

55. BTZODͱ͍͏

    ؔ਺ͰแΉ
    ςετέʔε͸

    1SPNJTFΛฦ͢
    5FTUBCMF%FTJHO&YBNQMF5FTUT(JU)VC(JU)VC"QJ5FTUTTXJGU
    

    View Slide

56. 9$5FTU$BTF΁

    ͏·͘ϒϦοδ
    1SPNJTF͕ղܾ͞ΕͨΒςετ੒ޭ
    غ٫͞ΕͨΒςετࣦഊ
    5FTUBCMF%FTJHO&YBNQMF5FTUT"TZODTXJGU
    

    View Slide

57. ಡΈ΍͍͢

    

    ॻ͖΍͍͢
    

    View Slide

58. σόοάͷ

    ޮ཰Խ
    

    View Slide

59. Diff

    Assertion
    σβΠϯύλʔϯ
    

    View Slide

60. Α͋͘Δςετ
    .JSSPS%J⒎,JU3&"%.&NE
    

    View Slide

61. ಡΊ͵
    

    View Slide

62. ։ൃ͠·ͨ͠
    

    View Slide

63. ͜͏͢Δͱʜ
    .JSSPS%J⒎,JU3&"%.&NE
    

    View Slide

64. View Slide

65. .JSSPSͱ͍͏3FqFDUJPO"1*Λ
    ࢖ͬͯɺߏ଄తͳEJ⒎Λܭࢉ
    

    View Slide

66. ࢖ͬͯΈ͍ͯͩ͘͞ʂ
    ˒΋Β͑Δͱخ͍͠Ͱ͢ʂ
    

    View Slide

67. ·ͱΊ
    ͞·͟·ͳύλʔϯΛۦ࢖ͯ͠

    ޮ཰తʹ։ൃ͠·͠ΐ͏
    

    View Slide

68. Φεεϝͷࢿྉ
    ςετքͰ͸௒༗໊ͳ

    σβύλຊ
    ϞοΫεύΠελϒͷ
    ఆٛ΍ɺࠓ೔঺հͨ͠

    ύλʔϯͷൃ૝ݩ͕

    ͨ͘͞Μࡌͬͯ·͢
    

    View Slide