ViewControllerͷ୯ମςετ Swift 3ରԠ 

ࣗݾ঺հ • ໊લɿίʔυώʔϤΞϯ • ग़਎ɿGrenoble • ৬ۀɿιϑτΤΞʔΤϯδχΞʔ • ։ൃܦݧɿDelphiʢ7೥ʣɺSwiftʢ̍೥ʣ • Facebookɿhttps://www.facebook.com/yoann.coldefy • Twitterɿ@luinily 

גࣜձࣾΨϥύΰε • εϚϗΞϓϦͷ։ൃɺӡӦ • σΟϨΫλʔɺΤϯδχΞʔɺ σβΠφʔɺςελʔ • 35ਓ • web: https://www.glpgs.com/ 

ΤϯδχΞʔืूதʂ 

• લճ͸CleanSwiftͷ঺հ • CleanSwift͸ςετۦಈ։ൃ͕جຊ • ViewControllerͷςετ͸Ͳ͏ͳͬͯΔʁ 

ViewControllerͱ͸Կʁ • ΞϓϦͷҰͭͷը໘Λίϯτϩʔϧ͢ΔΫϥε • Ͳ͜ʹԿΛදࣔ͢Δ • Ϣʔβ͕ૢ࡞ͨ࣌͠ʹΞϓϦ͸Ͳ͏൓Ԡ͢Δ 

୯ମςετ͸ʁ • ϓϩάϥϜͷҰ෦Λࣗಈతʹςετ͢Δ • ૝ఆ͞ΕͯΔ݁Ռͱ࣮ࡍͷ݁Ռ͕ಉ͔͡Λ֬ೝ͢Δ
 
 ྫɿը໘͕දࣔ͞Εͨ࣌ʹϥϕϧͷςΩετ͕ ʮTestʯʹͳ͍ͬͯΔ͔Ͳ͏͔ɻ 

ͳͥ୯ମςετΛॻ͘ʁ • ग़དྷ্͕ͬͨϓϩάϥϜ͕࢖༻௨Γʹಈ࡞Λ͍ͯ͠Δ ͷΛࣗಈతʹςετͰ͖Δɻ • ϓϩάϥϜͷमਖ਼΍มߋͰಈ͔ͳ͘ͳͬͨͱ͜ΖΛൃ ݟ͠΍͘͢͢Δ • ࣮૷ͷπʔϧͷҰͭ 

λΠτϧ ը૾ ςΩετ Ϙλϯ ViewController title: Label
 picture: ImageView text: TextView button: Button 

ViewControllerͷ࣮ମԽͷ໰୊ • ViewController͸͍͔ͭ͘ͷViewΛ͍࣋ͬͯΔ͕ • ViewController͕ͦͷViewΛ࣮ମԽͤͯ͞Δ༁Ͱ͸ͳ͍ • ୯ମςετ༻ViewControllerͷΠϯελϯεΛ࡞ͬͨͩ ͚ͰɺϏϡʔ͸nilͷ·· 

ςετͰViewController
 ͷ࣮ମԽ͸Ͳ͏͢Δʁ 

func setupViewController() { let storyboard = UIStoryboard(name: "MyStoryboard", bundle: Bundle.main) if let viewController = storyboard.instantiateInitialViewController() as? MyViewController { target = viewController } } ී௨ʹStoryboardͳͲ͔ΒͰ͖·͢ɻ class RegisterAccountViewControllerTests: XCTestCase { // MARK: Subject under test var target: MyViewController! 

͜Ε͚ͩͩͱϏϡʔ͕
 ϩʔυ͞Εͳ͍ɻ 

WindowΛ௥Ճͯ͠ɺϏϡʔΛϩʔυ͠·͢ɻ class RegisterAccountViewControllerTests: XCTestCase { // MARK: Subject under test var target: MyViewController! var window: UIWindow! ← New! func loadView() { window.addSubview(target.view) RunLoop.current.run(until: Date()) } ඞཁ͚ͩͲཧ༝͕Θ͔Βͳ͍ 

loadViewΛݺΜͩΒɺϏϡʔ͕ϩʔυ͞Εͯɺ viewDidLoad͕ݺ͹Ε·͢ɻ
 ςετͰ͖·͢ʂ 

ͲΜͳ͜ͱΛςετ͢Δʁ 

ViewDidLoadͰઃఆ͞ΕΔ΋ͷ override func setUp() { dataSource = MockDataSource() target.dataSource = dataSource } func test_viewDidLoad_shouldSetTheTableDataSource() { // Arrange // Act loadView() // Assert XCTAssertTrue(target.tableView.dataSource === dataSource) } 

func test_viewDidLoad_shouldSetTheHandlersToTheTableDataSource() { // Arrange // Act loadView() // Assert XCTAssertNotNil(dataSource.handlers) } ViewDidLoadͰઃఆ͞ΕΔ΋ͷ 

• ϥϕϧͷςΩετ • αϒϏϡʔͷঢ়ଶ • ͳͲ 

ઃఆɺߦಈͳͲΛςετͯ͠ ࢓༷௨ΓʹͰ͖ͯΔ͔ ֬ೝͰ͖·͢ 

Կ͔Πϕϯτ͋ͬͨ࣌ func test_textChanded_shouldCallValidateText() { // Arrange // Act dataSource.handlers?.textChangeHandler("newText") // Assert XCTAssertTrue(validatorSpy.validateTextCalled) } 

Կ͔Πϕϯτ͋ͬͨ࣌ func test_buttonPushed_labelTextShouldBe_New() { // Arrange // Act target.newButtonPush(nil) // Assert XCTAssertTrue(target.label.text, "New") } 

UITableViewControllerͷ৔߹ɺ DataSourceɺDelegateͷςετ΋Ͱ͖·͢ɻ 

protocolͷ֤ؔ਺ͷςετͰ͖·͢ func test_numberOfSections_shouldReturn6() { // Arrange // Act let numberOfSections = target.numberOfSections(in: tableViewController.tableView) // Assert XCTAssertEqual(numberOfSections, 6) } 

protocolͷ֤ؔ਺ͷςετͰ͖·͢ func test_numberOfRowsInSection_section1_shouldReturn2() { // Arrange // Act let numberOfRows = target.tableView(tableViewController.tableView, numberOfRowsInSection: 1) // Assert XCTAssertEqual(numberOfRows, 2) } 

protocolͷ֤ؔ਺ͷςετͰ͖·͢ func test_cellForRowAt_row0Section5_shouldBeButtonCell() { // Arrange let indexPath = IndexPath(row: 0, section: 5) // Act let cell = target.tableView(tableViewController.tableView, cellForRowAt: indexPath) // Assert XCTAssertTrue(cell is ButtonCell) } 

UITableViewͷΦϒδΣΫτ͕ඞཁ ViewController͝ͱ࡞ͬͯɺϏϡʔΛϩʔυ͢Δ 

ςʔϒϧͷߏ੒ɺ
 ηϧͷछྨ΍ઃఆͳͲͷ ςετ͕Ͱ͖·͢ 

·ͱΊ • ViewController΍DataSourceͳͲͷςετ͸Մೳ • ςετΛॻ͘͜ͱͰ࢓༷௨Γʹಈ͍ͯΔͷࣗಈ తʹ֬ೝͰ͖Δ • ҆৺ͯ͠ϦϑΝΫτϦϯάͰ͖Δ 

·ͱΊ • ࢓༷͕มΘΔͱςετͷमਖ਼͕ඞཁ • ςετΛॻ͘͜ͱ΋͔͔࣌ؒΓ·͢