Testes_-_A_que_será_que_se_destina__-_V2.pdf

Transcript

1. Testes: A que será que se destina? Breve história sobre

   testes, boas e más práticas no ecossistema Apple Ronan Rodrigo Nunes

2. Arqueologia

3. None
4. None

5. 2005 Xcode 2.1 OCUnit 2013 Xcode 5.0 XCTest 2015 Xcode

   7.0 XCUITest

6. Cultura

7. None

8. Não vejo benefício “

9. Meu código funciona perfeitamente, por que eu testaria? “

10. Até APP com testes tem bugs “

11. Até APP com testes tem bugs “

12. Não sei como, nem o que testar “

13. Não sei como, nem o que testar “ classona classinha

    extrair injetar testar ✔

14. Não temos tempo “

15. É difícil e complicado “

16. Meu time não tem a cultura de testar “ mobster.cc

17. O que ganho com isso?

18. 👃 Cheiro de que?

19. 🏰 Arquitete-se

20. 🧘 Equilibrio

21. ⛹ Domínio

22. ✍ Documentação

23. Boas práticas & Smells & Armadilhas

24. func test_primaryButtonTapped_doesRouteToFullSheet() { // given XCTAssertTrue(router.routeToFullSheetCallCount == 0) // when

    interactor.primaryButtonTapped() // then XCTAssertTrue(router.routeToFullSheetCallCount == 1) } ✘

25. func test_primaryButtonTapped_doesRouteToFullSheet() { XCTAssertTrue(router.routeToFullSheetCallCount == 0) interactor.primaryButtonTapped() XCTAssertTrue(router.routeToFullSheetCallCount == 1)

    } ✘

26. func test_primaryButtonTapped_doesRouteToFullSheet() { interactor.primaryButtonTapped() XCTAssertTrue(router.routeToFullSheetCallCount == 1) } ✘

27. func test_primaryButtonTapped_doesRouteToFullSheet() { interactor.primaryButtonTapped() XCTAssertEqual(router.routeToFullSheetCallCount, 1) } ✔︎

28. func test_startReport_doesRouteToReportFlow() { interactor.startReport() XCTAssertEqual(router.routeToReportFlowCallCount, 1) } ✔︎

29. func test_allByMonth_existingMonth_callCompletionWithItems() { var expectedGroupedFoods: [GroupedFoods]? // ... guard let

    expectedGroupedFoods = expectedGroupedFoods, firstGroup = expectedGroupedFoods.first else { XCTFail("empty expectedGroupedFoods") } XCTAssertFalse(firstGroup.foods.isEmpty) } ✘

30. func test_allByMonth_existingMonth_callCompletionWithItems() { var expectedGroupedFoods: [GroupedFoods]? // ... XCTAssertFalse(expectedGroupedFoods!.first!.foods.isEmpty) }

    ✘

31. func test_allByMonth_existingMonth_callCompletionWithItems() { var expectedGroupedFoods: [GroupedFoods]? // ... if let

    expectedGroupedFoods = expectedGroupedFoods { if let firstGroup = expectedGroupedFoods.first { XCTAssertFalse(firstGroup.foods.isEmpty) } } } ✘

32. func test_allByMonth_existingMonth_callCompletionWithItems() { var expectedGroupedFoods: [GroupedFoods]? // ... XCTAssertEqual(expectedGroupedFoods?.first?.foods.isEmpty, false)

    XCTAssertEqual(expectedGroupedFoods?.first?.foods.count, 4) } ✔︎

33. func test_allByMonth_existingMonth_callCompletionWithItems() { var expectedGroupedFoods: [GroupedFoods]? let month = MonthGatewayFactory.make().month(number:

    1) gateway.all(byMonth: month) { expectedGroupedFoods = $0.data } XCTAssertEqual(expectedGroupedFoods?.isEmpty, false) } ✘

34. func test_allByMonth_existingMonth_callCompletionWithItems() { var expectedGroupedFoods: [GroupedFoods]? let month = MonthGatewayFactory.make().month(number:

    1) gateway.all(byMonth: month) { expectedGroupedFoods = $0.data } XCTAssertEqual(expectedGroupedFoods?.isEmpty, false) } ✔︎

35. func test_finishReport_completeFlow() { var completed = false interactor.myEventStream().subscribe { _

    in completed = true } .disposed(by: disposeBag) interactor.finish() XCTAssertTrue(completed) } ✘

36. func test_finishReport_completeFlow() { var completed = false onCompleteFlow(completed = true)

    interactor.finish() XCTAssertTrue(completed) } func onCompleteFlow(_ fn: @escaping @autoclosure () -> ()) { interactor.myEventStream() .subscribe { _ in fn() } .disposeOnTearDown(testCase: self) } ✔︎

37. class ReportTripInteractorTests: XCTestCase class ReportTripInteractor_StartTripTests: ReportTripInteractorTests class ReportTripInteractor_FinishingTripTests: ReportTripInteractorTests class

    ReportTripInteractor_SearchingTripTests: ReportTripInteractorTests class ReportTripInteractor_WaintingTripTests: ReportTripInteractorTests ✔︎

38. func test_start_validInteractor_createEventAtStream() { let expectedResponse = Response(uuid: "id") shareService.fetchHandler =

    { _ in .just(expectedResponse) } worker.start(interactor) someStream.dataSubject .subscribe(onNext: { eventResponse in XCTAssertEqual(expectedResponse, eventResponse) }) .disposed(by: disposeBag) } ✘

39. class Worker { func start(_ interactor: AnyInteractor) { someObservable .subscribe(someStream.dataSubject)

    .disposeOnStop(self) } } .subscribe(someStream.dataSubject)

40. class Worker { func start(_ interactor: AnyInteractor) { someObservable .disposeOnStop(self)

    } }

41. func test_start_validInteractor_createEventAtStream() { let expectedResponse = Response(uuid: "id") shareService.fetchHandler =

    { _ in .just(expectedResponse) } var eventResponse: Response? someStream.dataSubject .subscribe(onNext: { eventResponse = $0 }) .disposed(by: disposeBag) worker.start(interactor) XCTAssertEqual(expectedResponse, eventResponse) } ✔︎

42. func test_schedule_createEvent() { // ... } ✘

43. func test_givenMonthExist_whenContainsMeeting_thenCreateEvent() { // ... } func test_monthExist_containsMeeting_createEvent() { //

    ... } func testScheduleEvent_monthExist_containsMeeting_createEvent() { // ... } func test_itMonthExist_andContainsMeeting_shouldCreateEvent() { // ... } ✔︎

44. Obrigado

45. Obrigado ronanrodrigo.dev

46. Obrigado ronanrodrigo.dev ronanrodrigo.dev/slides