public void OnNavigatedTo_Fill_Properties_With_Shopping_Cart_Items()
{
var navigationService = new MockNavigationService();
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () =>
{
ShoppingCart shoppingCart = null;
var shoppingCartItems = new ObservableCollection<ShoppingCartItem>
{
new ShoppingCartItem() {Product = new Product { ListPrice = 100, DiscountPercentage = 50, ProductNumber = "p1", ImageUri = new Uri("http://image")}, Currency = "USD", Quantity = 1},
new ShoppingCartItem() {Product = new Product { ListPrice = 100, DiscountPercentage = 50, ProductNumber = "p2", ImageUri = new Uri("http://image")}, Currency = "USD", Quantity = 1}
};
shoppingCart = new ShoppingCart(shoppingCartItems) { Currency = "USD"};
return Task.FromResult(shoppingCart);
};
bool signInUserControlOnNavigatedToCalled = false;
var signInUserControlViewModel = new MockSignInUserControlViewModel()
{
OnNavigatedToDelegate = (a, b, c) => signInUserControlOnNavigatedToCalled = true
};
var eventAggregator = new MockEventAggregator();
eventAggregator.GetEventDelegate = type => new MockShoppingCartUpdatedEvent();
var target = new ShoppingCartPageViewModel(shoppingCartRepository, navigationService, new MockAccountService(), signInUserControlViewModel, null, null, null, null, eventAggregator);
target.OnNavigatedTo(new NavigatedToEventArgs { Parameter = null, NavigationMode = NavigationMode.New }, null);
Assert.IsTrue(signInUserControlOnNavigatedToCalled);
Assert.AreEqual("$200.00", target.FullPrice);
Assert.AreEqual("$100.00", target.TotalDiscount);
Assert.AreEqual(2, target.ShoppingCartItemViewModels.Count);
}
public void ShoppingCartUpdated_WhenShoppingCartChanged()
{
var navigationService = new MockNavigationService();
var accountService = new MockAccountService();
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () =>
{
ShoppingCart shoppingCart = new ShoppingCart(new ObservableCollection<ShoppingCartItem>()) { Currency = "USD"};
return Task.FromResult(shoppingCart);
};
bool signInUserControlOnNavigatedToCalled = false;
var signInUserControlViewModel = new MockSignInUserControlViewModel()
{
OnNavigatedToDelegate = (a, b, c) => signInUserControlOnNavigatedToCalled = true
};
var eventAggregator = new MockEventAggregator();
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
eventAggregator.GetEventDelegate = type => shoppingCartUpdatedEvent;
var target = new ShoppingCartPageViewModel(shoppingCartRepository, navigationService, accountService, signInUserControlViewModel, null, null, null, null, eventAggregator);
target.OnNavigatedTo(new NavigatedToEventArgs { Parameter = null, NavigationMode = NavigationMode.New }, null);
Assert.AreEqual("$0.00", target.FullPrice);
shoppingCartRepository.GetShoppingCartAsyncDelegate = () =>
{
var shoppingCartItems = new ObservableCollection<ShoppingCartItem>
{
new ShoppingCartItem() { Product = new Product { ListPrice = 100, ProductNumber = "p1", ImageUri = new Uri("http://image")}, Currency = "USD", Quantity = 2},
};
ShoppingCart shoppingCart = new ShoppingCart(new ObservableCollection<ShoppingCartItem>(shoppingCartItems)) { Currency = "USD" };
return Task.FromResult(shoppingCart);
};
shoppingCartUpdatedEvent.Publish(null);
Assert.IsTrue(signInUserControlOnNavigatedToCalled);
Assert.AreEqual("$200.00", target.FullPrice);
}
public void DecrementCountCommand_NotExecutable()
{
var navigationService = new MockNavigationService();
var shoppingCartRepository = new MockShoppingCartRepository();
var eventAggregator = new MockEventAggregator();
eventAggregator.GetEventDelegate = type => new MockShoppingCartUpdatedEvent();
var target = new ShoppingCartPageViewModel(shoppingCartRepository, navigationService, null, null, null, null, null, null, eventAggregator);
target.SelectedItem = new ShoppingCartItemViewModel(new ShoppingCartItem(){ Quantity = 2, Currency = "USD", Product = new Product() }, null);
Assert.IsTrue(target.DecrementCountCommand.CanExecute());
target.SelectedItem = new ShoppingCartItemViewModel(new ShoppingCartItem() { Quantity = 1, Currency = "USD", Product = new Product() }, null);
Assert.IsFalse(target.DecrementCountCommand.CanExecute());
}
public void CheckoutCommand_NotExecutable_IfNoItemsInCart()
{
var navigationService = new MockNavigationService();
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult<ShoppingCart>(null);
var eventAggregator = new MockEventAggregator();
eventAggregator.GetEventDelegate = type => new MockShoppingCartUpdatedEvent();
var target = new ShoppingCartPageViewModel(shoppingCartRepository, navigationService, null, null, null, null, null, null, eventAggregator);
target.UpdateShoppingCartAsync(null);
Assert.IsFalse(target.CheckoutCommand.CanExecute());
shoppingCartRepository.GetShoppingCartAsyncDelegate =
() => Task.FromResult(new ShoppingCart(new Collection<ShoppingCartItem>()){Currency = "USD", FullPrice = 0, TaxRate = 0, TotalDiscount = 0, TotalPrice = 0});
target.UpdateShoppingCartAsync(null);
Assert.IsFalse(target.CheckoutCommand.CanExecute());
shoppingCartRepository.GetShoppingCartAsyncDelegate =
() => Task.FromResult(new ShoppingCart(new Collection<ShoppingCartItem> { new ShoppingCartItem{Product = new Product(), Currency = "USD", Quantity = 0} })
{ Currency = "USD", FullPrice = 0, TaxRate = 0, TotalDiscount = 0, TotalPrice = 0 });
target.UpdateShoppingCartAsync(null);
Assert.IsTrue(target.CheckoutCommand.CanExecute());
}
public async Task Checkout_WhenAnonymous_ShowsSignInFlyout()
{
var modalCalled = false;
var accountService = new MockAccountService
{
VerifyUserAuthenticationAsyncDelegate = () => Task.FromResult<UserInfo>(null)
};
var signInUserControlViewModel = new MockSignInUserControlViewModel
{
OpenDelegate = (s) =>
{
modalCalled = true;
Assert.IsNotNull(s);
}
};
var checkoutDataRepository = new MockCheckoutDataRepository()
{
GetDefaultShippingAddressAsyncDelegate = () => null,
GetDefaultBillingAddressAsyncDelegate = () => null,
GetDefaultPaymentMethodAsyncDelegate = () => Task.FromResult<PaymentMethod>(null)
};
var eventAggregator = new MockEventAggregator
{
GetEventDelegate = type => new MockShoppingCartUpdatedEvent()
};
var target = new ShoppingCartPageViewModel(null, new MockNavigationService(), accountService, signInUserControlViewModel, null, null, checkoutDataRepository, null, eventAggregator);
await target.CheckoutCommand.Execute();
Assert.IsTrue(modalCalled);
}
public void UpdateShoppingCart_ClearsFields_WhenShoppingCartEmpty()
{
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult<ShoppingCart>(null);
var eventAggregator = new MockEventAggregator();
bool signInUserControlOnNavigatedToCalled = false;
var signInUserControlViewModel = new MockSignInUserControlViewModel() { OnNavigatedToDelegate = (a, b, c) => Task.Delay(0) };
eventAggregator.GetEventDelegate = type => new MockShoppingCartUpdatedEvent();
var target = new ShoppingCartPageViewModel(shoppingCartRepository, new MockNavigationService(),
new MockAccountService(), signInUserControlViewModel, null, null, null, null, eventAggregator);
target.OnNavigatedTo(new NavigatedToEventArgs { Parameter = null, NavigationMode = NavigationMode.New }, null);
Assert.AreEqual(string.Empty, target.TotalPrice);
Assert.AreEqual(string.Empty, target.TotalDiscount);
Assert.AreEqual(string.Empty, target.FullPrice);
}