MockDaffProductFacade

@Injectable()
class MockDaffProductFacade implements DaffProductFacadeInterface {
  getProduct(id: string): BehaviorSubject<DaffProduct>
  getPrice(id: string): BehaviorSubject<number>
  hasDiscount(id: string): BehaviorSubject<boolean>
  getDiscountAmount(id: string): BehaviorSubject<number>
  getDiscountedPrice(id: string): BehaviorSubject<number>
  getDiscountPercent(id: string): BehaviorSubject<number>
  isOutOfStock(id: string): BehaviorSubject<boolean>
  dispatch(action): void
}