TheAdamBorek

enum ScreenSizes {
    static let threePointFiveInchesPhoneFrame = CGRect(x: 0, y: 0, width: 320, height: 480)
    static let fourInchesPhoneFrame = CGRect(x: 0, y: 0, width: 320, height: 568)
    static let fourPointSevenInchesPhoneFrame = CGRect(x: 0, y: 0, width: 375, height: 667)
    static let iPadPortrait = CGRect(x: 0, y: 0, width: 768, height: 1024)
    static let iPadLandscape = CGRect(x: 0, y: 0, width: 1024, height: 768)
}

TheAdamBorek

import Foundation
import RxSwift
import RxSwiftExt
import RxCocoa

extension Variable {
    func bidirectionalBind(with controlProperty: ControlProperty<Element>) -> Disposable {
        let bindingToControl = self
            .asDriver()
            .drive(controlProperty)

TheAdamBorek

func test_asksManagerForLastPhotoTaken_version2() {
  let expectedImage = UIImage()
  photosManagerMock.expectedImage = expectedImage
  
  expect(subject.lastPhotoTaken) == expectedImage
}

TheAdamBorek

func test_asksManagerForLastPhotoTaken_version2() {
  let expectedImage = UIImage()
  photosManagerMock.expectedImage = expectedImage
  
  let image = try! subject.lastPhotoTaken.toBlocking().first()!
  
  XCTAssertEqual(image, expectedImage)
}

TheAdamBorek

override func setUp() {
  //...
  driveOnScheduler(testScheduler) {
    subject = AvatarViewModel(imageReceiver: imageHavingMock)
  }
}

TheAdamBorek

func test_receiveImage_onButtonClick2() {
  simulateTaps(at: 100, 200)
  let observer = testScheduler.createObserver(UIImage.self)
  
  subject.image.drive(observer)
    .disposed(by: rx_disposeBag)
  testScheduler.start()
  
  XCTAssertEqual(observer.events, [next(100, imageHavingMock.expectedImage), next(200, imageHavingMock.expectedImage)])
}

TheAdamBorek

func test_receiveImage_onButtonClick_version2() {
  let buttonTaps = testScheduler.createHotObservable([next(100, ()), next(200, ())])
  buttonTaps.bindTo(subject.chooseImageButtonPressed)
    .disposed(by: rx_disposeBag)
  
  let observer = testScheduler.createObserver(UIImage.self)
  self.subject.image.drive(observer)
    .disposed(by: self.rx_disposeBag)
  testScheduler.start()
  

TheAdamBorek

testScheduler.start()
XCTAssertEqual(observer.events, [next(100, imageHavingMock.expectedImage), next(200, imageHavingMock.expectedImage)])

TheAdamBorek

let observer = testScheduler.createObserver(UIImage.self)
subject.image.drive(observer)
  .disposed(by: rx_disposeBag)

TheAdamBorek

let buttonTaps = testScheduler.createHotObservable([next(100, ()), next(200, ())])
buttonTaps.bindTo(subject.chooseImageButtonPressed)
  .disposed(by: rx_disposeBag)