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
   

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2. Arqueologia
   

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5. 2005
   Xcode 2.1
   OCUnit
   2013
   Xcode 5.0
   XCTest
   2015
   Xcode 7.0
   XCUITest
   

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6. Cultura
   

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8. Não vejo benefício
   “
   

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

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10. Até APP com testes tem
    bugs
    “
    

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11. Até APP com testes tem
    bugs
    “
    

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12. Não sei como,
    nem o que testar
    “
    

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

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14. Não temos tempo
    “
    

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15. É difícil e complicado
    “
    

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

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17. O que ganho com isso?
    

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18. 👃 Cheiro de que?
    

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19. 🏰 Arquitete-se
    

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20. 🧘 Equilibrio
    

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21. ⛹ Domínio
    

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22. ✍ Documentação
    

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23. Boas práticas &
    Smells &
    Armadilhas
    

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24. func test_primaryButtonTapped_doesRouteToFullSheet() {
    
    
    // given
    
    
    XCTAssertTrue(router.routeToFullSheetCallCount == 0)
    
    
    // when
    
    
    interactor.primaryButtonTapped()
    
    
    // then
    
    
    XCTAssertTrue(router.routeToFullSheetCallCount == 1)
    
    
    }
    ✘
    

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

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

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

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

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29. func test_allByMonth_existingMonth_callCompletionWithItems() {
    
    
    var expectedGroupedFoods: [GroupedFoods]?
    
    
    // ...
    
    
    guard let expectedGroupedFoods = expectedGroupedFoods,
    
    
    firstGroup = expectedGroupedFoods.first else {
    
    
    XCTFail("empty expectedGroupedFoods")
    
    
    }
    
    
    XCTAssertFalse(firstGroup.foods.isEmpty)
    
    
    }
    ✘
    

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

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31. func test_allByMonth_existingMonth_callCompletionWithItems() {
    
    
    var expectedGroupedFoods: [GroupedFoods]?
    
    
    // ...
    
    
    if let expectedGroupedFoods = expectedGroupedFoods {
    
    
    if let firstGroup = expectedGroupedFoods.first {
    
    
    XCTAssertFalse(firstGroup.foods.isEmpty)
    
    
    }
    
    
    }
    
    
    }
    ✘
    

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32. func test_allByMonth_existingMonth_callCompletionWithItems() {
    
    
    var expectedGroupedFoods: [GroupedFoods]?
    
    
    // ...
    
    
    XCTAssertEqual(expectedGroupedFoods?.first?.foods.isEmpty,
    false)
    
    
    XCTAssertEqual(expectedGroupedFoods?.first?.foods.count, 4)
    
    
    }
    ✔︎
    

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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)
    
    
    }
    ✘
    

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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)
    
    
    }
    ✔︎
    

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35. func test_finishReport_completeFlow() {
    
    
    var completed = false
    
    
    interactor.myEventStream().subscribe { _ in
    
    
    completed = true
    
    
    }
    
    
    .disposed(by: disposeBag)
    
    
    interactor.finish()
    
    
    XCTAssertTrue(completed)
    
    
    }
    ✘
    

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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)
    
    
    }
    ✔︎
    

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37. class ReportTripInteractorTests: XCTestCase
    
    
    class ReportTripInteractor_StartTripTests:
    ReportTripInteractorTests
    
    
    class ReportTripInteractor_FinishingTripTests:
    ReportTripInteractorTests
    
    
    class ReportTripInteractor_SearchingTripTests:
    ReportTripInteractorTests
    
    
    class ReportTripInteractor_WaintingTripTests:
    ReportTripInteractorTests
    ✔︎
    

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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)
    
    
    }
    ✘
    

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

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

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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)
    
    
    }
    ✔︎
    

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

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43. func test_givenMonthExist_whenContainsMeeting_thenCreateEvent() {
    
    
    // ...
    
    
    }
    
    
    func test_monthExist_containsMeeting_createEvent() {
    
    
    // ...
    
    
    }
    
    
    func testScheduleEvent_monthExist_containsMeeting_createEvent() {
    
    
    // ...
    
    
    }
    
    
    func test_itMonthExist_andContainsMeeting_shouldCreateEvent() {
    
    
    // ...
    
    
    }
    ✔︎
    

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44. Obrigado
    

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45. Obrigado
    ronanrodrigo.dev
    

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46. Obrigado
    ronanrodrigo.dev
    ronanrodrigo.dev/slides
    

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