Mirror extract extension

MirrorExtractExtension.swift

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)

      return mirror.children.first {
          $0.label == property.rawValue
      }?.value as? T
  }
}