giovani-pereira-ifood

class SceneCreator {

  func createScene() -> UIViewController {
    let presenter = Presenter()
    let router = Router()

    let interactor = Interactor(presenter: presenter)
    let viewController = ViewController(interactor: interactor, router: router)

    router.viewController = viewController

giovani-pereira-ifood

let viewController = SceneCreator().createScene()
let viewControllerMirror = Mirror(reflecting: viewController)

let interactor = viewControllerMirror.children
    .first { $0.label == "interactor" }?.value as? Interactor

giovani-pereira-ifood

extension XCTestCase {
  enum MirrorConstants: String {
     case interactor
     case presenter
     case router
  }

  func mirror<T>(property: MirrorConstants, ofType: T.Type, from object: Any?) -> T? {
      guard let object = object else { return nil }
      let mirror = Mirror(reflecting: object)

giovani-pereira-ifood

class SceneCreatorTest: XCTestCase {
  
  private let sut = SceneCreator()
  
  func test_presentersViewShouldBeTheSameAsCreatedScene() {
      // Given
      let scene = sut.createScene()

      // When
      let interactor = mirror(property: .interactor, ofType: Interactor.self, from: scene)

giovani-pereira-ifood

let object = mirror.children
    .first { $0.value as? Interactor }

giovani-pereira-ifood

class SceneCreatorTests: XCTestCase {
    
    private let sut = SceneCreator()
    
    func test_presentersViewShouldBeTheSameAsCreatedScene() {
        let scene = sut.createScene()
        
        guard let interactor = Mirror(reflecting: scene).children.first { $0.label == "interactor" }?.value as? Interactor,
            let presenter = Mirror(reflecting: interactor).children.first { $0.label == "presenter" }?.value as? Presenter,
            let presentersView = Mirror(reflecting: presenter).children.first { $0.label == "viewController" }?.value as? ViewController else {

giovani-pereira-ifood

struct Point {
    let x: Int, y: Int
}

let p = Point(x: 21, y: 30)
let mirror = Mirror(reflecting: p)

print(mirror) // Mirror for Point
print(mirror.children.first) // Optional((label: Optional("x"), value: 21))

giovani-pereira-ifood

func createInstagramStoriesSharing(for image: UIImage) -> URL? {
    guard let url = URL(string: "instagram-stories://share") else { return nil }

    // Add image to Pasteboard
    let imageData = image.pngData()
    let pasteboardItems: [[String: Any]] = [["com.instagram.sharedSticker.backgroundImage": image]]

    // Update with new pasteboard items
    UIPasteboard.general.setItems(pasteboardItems, options: [UIPasteboard.OptionsKey.expirationDate: Date().addingTimeInterval(60)])
    

giovani-pereira-ifood

let imageData = image.pngData()
let pasteboardItem: [[String : Any]] = [["com.instagram.sharedSticker.backgroundImage" : imageData]]

UIPasteboard.general.setItems(pasteboardItem, options: [:])

giovani-pereira-ifood

let deeplink = URL(string: "instagram-stories://share")!
let canOpen = UIApplication.shared.canOpenURL(deeplink)

if canOpen {
    UIApplication.open(deeplink, options: [:])
} else {
    // Handle error
}