dougritter

class AccountPresenterTests: XCTestCase {
  func test_given_and_account_name_when_next_is_pressed_then_should_navigate_to_home() {
    ...

    XCTAssertEqual(routerMock.showHomeCalled, true)    
  }
}

dougritter

class AccountPresenterTests: XCTestCase {
  func test_given_and_account_name_when_next_is_pressed_then_should_navigate_to_home() {
    ...
    
    presenter.nextPressed(accountName: "talkdesk")

    ...
  }
}

dougritter

class AccountPresenterTests: XCTestCase {
  func test_given_and_account_name_when_next_is_pressed_then_should_navigate_to_home() {
    let routerMock = RouterMock()
    let presenter = AccountPresenterImplementation(router: routerMock)

    ...
  }
}

dougritter

class AccountPresenterTests: XCTestCase {
  func test_given_and_account_name_when_next_is_pressed_then_should_navigate_to_home() {
    let routerMock = RouterMock()
    let presenter = AccountPresenterImplementation(router: routerMock)

    presenter.nextPressed(accountName: "talkdesk")

    XCTAssertEqual(routerMock.showHomeCalled, true)    
  }
}

dougritter

protocol Router {
  func showHomeScreen()
}

class RouterMock: Router {
  var showHomeWasCalled: Bool?

  func showHomeScreen() { 
    showHomeWasCalled = true
  }

dougritter

class AccountPresenterImplementation: AccountPresenter {
private let router: Router

init(router: Router) {
  self.router = router
}

func nextPressed(accountName: String) {
  }
}

dougritter

class AccountPresenterTests: XCTestCase {
  func test_given_and_account_name_when_next_is_pressed_then_should_navigate_to_home() {
    let presenter = AccountPresenterImplementation()

    presenter.nextPressed(accountName: "talkdesk")

    XCTAssertEqual(/* navigated to home */, true)    
  }
}

dougritter

class AccountPresenterImplementation: AccountPresenter {
  func nextPressed(accountName: String) {
  
  }
}

dougritter

class AccountPresenterImplementation: AccountPresenterImplementation {
  func nextPressed(accountName: String) {
  
  }
}

dougritter

protocol AccountPresenter {
  func nextPressed(accountName: String)
}