SwiftにおけるMockライブラリの活用/swift-mock-library

Transcript

1. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. iOS Test Night

   #7 2018/03/26 (Mon) 
 ࡉপ ༞հ@DeNA 4XJGUʹ͓͚Δ
   .PDLϥΠϒϥϦͷ׆༻ 1

2. ˙
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   ͍·͜͜ 8IP
   Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 2

3. ࠓ೔࿩͢͜ͱ 3 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

4. 4XJGUʹ͓͚Δ
   .PDLϥΠϒϥϦͷ׆༻ 4 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

5. ΞδΣϯμ 5 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

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   • ϥΠϒίʔσΟϯάʢ࣌ؒ͋Ε͹ʂʣ
   • ·ͱΊ

6. .PDLͱ͸ʁ 6 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

7. Mockͱ͸ʁ 7 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

   ຊ෺Ͱ͸ͳِ͍෺ͷΦϒδΣΫτʢςετμϒϧͱ΋ʣ
   • ୯ମςετ΍ಈ࡞֬ೝͰར༻
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   • ґଘؔ܎͕ෳࡶͳςετ
 ˠ
   ґଘΦϒδΣΫτΛ.PDLʹมߋ

8. Mockͷར༻ྫ 8 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Waiter

   CockProtocol RealCock ΢ΣΠλʔ ྉཧਓ
   1SPUPDPM ྉཧਓ

9. Mockͷར༻ྫ 9 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Waiter

   CockProtocol RealCock ୯ମςετ͍ͨ͠ʜ ͚Ͳ࣮૷Ͱ͖ͯͳ͍ʜ

10. Mockͷར༻ྫ 10 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Waiter

    CockProtocol MockCock ςετ༻ͷِΦϒδΣΫτ

11. MockͰԿ͕Ͱ͖Δʁ 11 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    ͋Δ"1*ݺͼग़࣌͠ʹɺ೚ҙͷ஋Λฦ͢
    • ಈ࡞֬ೝ༻ͷ"1*Ϩεϙϯε
    • ྫ֎తͳΤϥʔ
    • ݺͼग़݁͠Ռͷ֬ೝ
    • ͋Δϝιου"͕ݺͼग़͞Ε͔ͨ
    • ʻճ਺ʼ͸ਖ਼͍͔͠ʁ
    • ʻҾ਺ʼ͸ਖ਼͍͔͠ʁ

12. ͳͥMockΛ࢖͏͔ʁ 12 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    ࣮ΦϒδΣΫτ͕ଘࡏ͠ͳ͍
    • ࣮૷த
    • ࣮ΦϒδΣΫτΛར༻͢Δͱ͕͔͔࣌ؒΔ
    • ௨৴࣌ؒ
    • σʔλϕʔε΁ͷΞΫηε
    • ґଘؔ܎Λ੾Γ཭͍ͨ͠৔߹
    • ୯ମςετ

13. ͜͜·Ͱ 13 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    .PDL
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    ِ෺ͷΦϒδΣΫτ
    • Կ͕Ͱ͖Δʁ
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    • ࣮ΦϒδΣΫτͩͱ͕͔͔࣌ؒΔ
    • ୯ମςετ UIFO
    3FUVSO 7FSJGZ

14. 4XJGU
    ʹ͓͚Δ
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    ࣄ৘ 14 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

15. 0CKFDUJWF$
    ࣌୅ 15 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

16. Objective-C ࣌୅ 16 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

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    • ಈతϥϯλΠϜʢ0CKFDUJWF$
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    • ݴޠϥϯλΠϜΛϑϧ׆༻

17. 4XJGU
    ࣌୅ 17 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

18. Swift ࣌୅ɹংষ 18 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    • 4XJGU
    • ੩తϥϯλΠϜ
    • ϦϑϨΫγϣϯ"1*ʢಡΈऔΓઐ༻ʣ
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    • ݴޠϒϦοδͰ࢖༻Ͱ͖Δʢͦͷ༐ؾ͕͋Ε͹ʣ
    • 0$.PDL͕4XJGUΛ׬શαϙʔτ͢Δ͜ͱ͸ͳ͍ ެࣜ'"2ΑΓҙ༁

19. Swift ࣌୅ɹͦΕ͔Β… 19 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    • ॳظͷΞϓϩʔν
    • .PDL
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20. Swift ࣌୅ɹͦͯ͠… 20 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    • 88%$
    
    • 1SPUPDPM
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    ͋ͱͰݟ͍ͯ͘

21. .PDL
    ͷࣗ࡞ 21 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

22. Ϋϥεਤ 22 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Waiter

    CockProtocol MockCock ͜ͷ.PDLΛࣗ࡞͢Δ

23. ϓϩμΫτίʔυ 23 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

24. ϓϩμΫτίʔυ 24 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. protocol

    CockProtocol { func cockRamen(bowls: Int, soup: Soup) -> [Ramen] } enum Soup { case ে༉ case ຯḩ } struct Ramen { var soup: Soup } struct Waiter { let cock: CockProtocol // ґଘΦϒδΣΫτ func order() -> [Ramen] { return cock.cockRamen(bowls: 2, soup: .ে༉) } } ͜ΕΛ.PDLʹ͢Δ

25. .PDLίʔυ 25 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

26. Mockίʔυ 26 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    MockCock: CockProtocol { var cockRamenCallCount: Int = 0 var cockRamenLastBowls: Int = 0 var cockRamenCallReturn: [Ramen] = [] var cockRamenLastSoup: Soup = .ে༉ func cockRamen(bowls: Int, soup: Soup) -> [Ramen] { // ݺͼग़͠ճ਺ͷه࿥ cockRamenCallCount += 1 // Ҿ਺ͷه࿥ cockRamenLastBowls = bowls cockRamenLastSoup = soup // ೚ҙͷ஋Λฦ͢ return cockRamenCallReturn } } ݺͼग़࣌͠ͷ৘ใΛه࿥ ઃఆ͞Εͨ໭Γ஋Λฦ͢

27. ୯ମςετίʔυ 27 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

28. ୯ମςετίʔυ 28 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { let mock = MockCock() mock.cockRamenCallReturn = [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)] let results = Waiter(cock: mock).order() XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) XCTAssertEqual(mock.cockRamenCallCount, 1) XCTAssertEqual(mock.cockRamenLastBowls, 2) XCTAssertEqual(mock.cockRamenLastSoup, .ে༉) } }

29. ୯ମςετίʔυ 29 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { let mock = MockCock() mock.cockRamenCallReturn = [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)] let results = Waiter(cock: mock).order() XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) XCTAssertEqual(mock.cockRamenCallCount, 1) XCTAssertEqual(mock.cockRamenLastBowls, 2) XCTAssertEqual(mock.cockRamenLastSoup, .ে༉) } } ᶃDPDL3BNFO ͕ݺ͹Εͨ࣌ʹ
    ͜ͷ஋Λฦ͢Α͏ʹઃఆ

30. ୯ମςετίʔυ 30 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { let mock = MockCock() mock.cockRamenCallReturn = [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)] let results = Waiter(cock: mock).order() XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) XCTAssertEqual(mock.cockRamenCallCount, 1) XCTAssertEqual(mock.cockRamenLastBowls, 2) XCTAssertEqual(mock.cockRamenLastSoup, .ে༉) } } ᶄPSEFS ͷݺͼग़݁͠Ռʹ͍ͭͯ
    ظ଴ͨ݁͠Ռ͔ݕূ

31. ୯ମςετίʔυ 31 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { let mock = MockCock() mock.cockRamenCallReturn = [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)] let results = Waiter(cock: mock).order() XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) XCTAssertEqual(mock.cockRamenCallCount, 1) XCTAssertEqual(mock.cockRamenLastBowls, 2) XCTAssertEqual(mock.cockRamenLastSoup, .ে༉) } } ᶅ$PDLΦϒδΣΫτͷϝιου͕
    ҙਤͨ͠௨Γʹݺͼग़͞Ε͔ͨݕূ

32. .PDLΛؚΊͨ
    ςετίʔυશମ 32 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

33. ͜Ε͘Β͍ͳΒଥڠ͢Δʁ 33 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    MockCock: CockProtocol { var cockRamenCallCount: Int = 0 var cockRamenLastBowls: Int = 0 var cockRamenCallReturn: [Ramen] = [] var cockRamenLastSoup: Soup = .ে༉ func cockRamen(bowls: Int, soup: Soup) -> [Ramen] { cockRamenCallCount += 1 cockRamenLastBowls = bowls cockRamenLastSoup = soup return cockRamenCallReturn } } class WaiterTests: XCTestCase { func test_order() { let mock = MockCock() mock.cockRamenCallReturn = [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)] let results = Waiter(cock: mock).order() XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) XCTAssertEqual(mock.cockRamenCallCount, 1) XCTAssertEqual(mock.cockRamenLastBowls, 2) XCTAssertEqual(mock.cockRamenLastSoup, .ে༉) } }

34. ͜Ε͘Β͍ͳΒଥڠ͢Δʁ 34 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    MockCock: CockProtocol { var cockRamenCallCount: Int = 0 var cockRamenLastBowls: Int = 0 var cockRamenCallReturn: [Ramen] = [] var cockRamenLastSoup: Soup = .ে༉ func cockRamen(bowls: Int, soup: Soup) -> [Ramen] { cockRamenCallCount += 1 cockRamenLastBowls = bowls cockRamenLastSoup = soup return cockRamenCallReturn } } class WaiterTests: XCTestCase { func test_order() { let mock = MockCock() mock.cockRamenCallReturn = [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)] let results = Waiter(cock: mock).order() XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) XCTAssertEqual(mock.cockRamenCallCount, 1) XCTAssertEqual(mock.cockRamenLastBowls, 2) XCTAssertEqual(mock.cockRamenLastSoup, .ে༉) } } ྫྷ੩ʹߟ͑Δͱ… ɾ1 Protocol ɾ1 Method ͦΕͳͷʹ͜ͷίʔυྔʁ

35. ࣗ࡞.PDLͷײ૝ 35 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

36. ࣗ࡞Mockͷײ૝ 36 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    ࣗ࡞.PDL
    • ࡞Δͷࣗମ͸೉͘͠ͳ͍
    • ͨͩϘΠϥʔϓϨʔτ͕ଟ͍
    PS[
    • ࡞Δͷ͕໘౗ͩͱ
    • .PDLࣗମʹόάΛ࢓ࠐΉ
    • ςετ͕ࡶʹͳΔ
    • ςετʹର͢ΔϞνϕʔγϣϯ%PXO
    ɹˠ
    ྑ͘ͳ͍ํ޲ʹߦ͘ͷ͸໨ʹݟ͍͑ͯΔ

37. 4XJGU
    ͷ
    .PDL
    ϥΠϒϥϦ 37 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

38. Swift ͷ MockϥΠϒϥϦ 38 Copyright (C) DeNA Co.,Ltd. All Rights

    Reserved. ˒ छผ Swift Ұݴ Cuckoo 711 ࣗಈੜ੒ 4.0 ɾMockitoΠϯεύΠΞʢࣅͯΔʣ
 ɾSourceKittenΛར༻ SwiftyMocky 301 ʏ 4.0 ɾSwiftyͳAPI
 ɾSourceryΛར༻ͯ͠ੜ੒ Mockit 66 αϙʔτܥ 4.0 ɾMockitoΠϯεύΠΞ
 ɾ·ͩൃల్্ʁ Dobby 151 ʏ 2.x ɾࠓޙ΋ϝϯς͞Εͳͦ͏ʁ MockFive 201 ʏ 2.x ʏ SwiftMock 223 ʏ 2.x ʏ

39. .PDLJU 39 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

40. Mockit 40 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    αϒΫϥεԽʹΑΔ.PDLͷαϙʔτ
    • 1SPUPDPM
    ͸αϙʔτ͍ͯ͠ͳ͍ʁ
    • .PDLͷ਽ܗ͸ࣗ࡞
    • গͳ͍ίʔυྔͰ.PDLΛ࣮ݱ
    • ՝୊
    • Τϥʔ࣌ʹςετίʔυʹϚʔΧʔ͕෇͔ͳ͍
    • ·ͩൃల్্ͱ͍͏ʢݸਓͷʣҹ৅ ࠓޙʹظ଴ͯ͠ʢ͈́

41. $VDLPP 41 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

42. Cuckoo 42 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    .PDLJUPΠϯεύΠΞ
    • ͔ͳΓࣅ͍ͯΔҹ৅
    • ࣗಈੜ੒
    • ϑΝΠϧΛࣗ෼Ͱࢦఆ͢Δඞཁ͋Γ

43. Cuckoo 43 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { // ४උ let mock = MockCockProtocol() stub(mock) { stub in when(stub.cockRamen(bowls: any(), soup: any())) .thenReturn([Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)]) } // ݺͼग़͠ let results = Waiter(cock: mock).order() // ݕূ XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) verify(mock).cockRamen(bowls: equal(to: 2), soup: equal(to: .ে༉)) } ࣗಈੜ੒͞Εͨ.PDL

44. Cuckoo 44 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { // ४උ let mock = MockCockProtocol() stub(mock) { stub in when(stub.cockRamen(bowls: any(), soup: any())) .thenReturn([Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)]) } // ݺͼग़͠ let results = Waiter(cock: mock).order() // ݕূ XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) verify(mock).cockRamen(bowls: equal(to: 2), soup: equal(to: .ে༉)) } DPDL3BNFO ͕ݺͼग़͞Εͨ࣌ͷ
    μϛʔͷ໭Γ஋Λઃఆ DPDL3BNFO ͷݺͼग़͠Ҿ਺͕
    ҙਤͨ͠΋ͷ͔ݕূʢWFSJGZʣ

45. Cuckoo 45 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { // ४උ let mock = MockCockProtocol() stub(mock) { stub in when(stub.cockRamen(bowls: any(), soup: any())) .thenReturn([Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)]) } // ݺͼग़͠ let results = Waiter(cock: mock).order() // ݕূ XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) verify(mock).cockRamen(bowls: equal(to: 2), soup: equal(to: .ে༉)) } .PDLJUPϥΠΫͳ"1* .BUDIFSΛ࠾༻

46. 4XJGUZ.PDLZ 46 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

47. SwiftyMocky 47 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

    .PDLJUPϥΠΫ
    • ߟ͑ํ͸ࣅ͍ͯΔ
    • 4XJGUZͳ"1*
    • ίʔυิ׬͕ޮ͖΍͍͢"1*ઃܭ
    • ࣗಈੜ੒
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    ͔Βੜ੒
    • ϑΝΠϧ؂ࢹΛαϙʔτ
    • 4PVSDFSZΛ಺෦తʹར༻

48. SwiftyMocky 48 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { // ४උ let mock = CockProtocolMock() mock.given(.cockRamen(bowls: .any, soup: .any, willReturn: [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)])) // ݺͼग़͠ let results = Waiter(cock: mock).order() // ݕূ XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) mock.verify(.cockRamen(bowls: .value(2), soup: .value(.ে༉))) } } ࣗಈੜ੒͞Εͨ.PDL

49. SwiftyMocky 49 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { // ४උ let mock = CockProtocolMock() mock.given(.cockRamen(bowls: .any, soup: .any, willReturn: [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)])) // ݺͼग़͠ let results = Waiter(cock: mock).order() // ݕূ XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) mock.verify(.cockRamen(bowls: .value(2), soup: .value(.ে༉))) } } DPDL3BNFO ͕ݺͼग़͞Εͨ࣌ͷ
    μϛʔͷ໭Γ஋Λઃఆ DPDL3BNFO ͷݺͼग़͠Ҿ਺͕
    ҙਤͨ͠΋ͷ͔ݕূʢWFSJGZʣ

50. SwiftyMocky 50 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. class

    WaiterTests: XCTestCase { func test_order() { // ४උ let mock = CockProtocolMock() mock.given(.cockRamen(bowls: .any, soup: .any, willReturn: [Ramen(soup: .ে༉), Ramen(soup: .ຯḩ)])) // ݺͼग़͠ let results = Waiter(cock: mock).order() // ݕূ XCTAssertEqual(results.count, 2) XCTAssertTrue(results.contains { $0.soup == .ে༉ }) XCTAssertTrue(results.contains { $0.soup == .ຯḩ }) mock.verify(.cockRamen(bowls: .value(2), soup: .value(.ে༉))) } } ิ׬͠΍͍͢ ิ׬͠΍͍͢

51. ϥΠϒίʔσΟϯά
    ʢ࣌ؒͳ͚Ε͹࠙਌ձͰʂʣ 51 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

52. ·ͱΊ 52 Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

53. ·ͱΊ 53 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. •

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