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 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 OnNavigatedTo_Fill_Properties_No_Shopping_Cart_Items()
{
var navigationService = new MockNavigationService();
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () =>
{
var shoppingCartItems = new List <ShoppingCartItem>();
shoppingCartItems.Add(new ShoppingCartItem {
Quantity = 1, Product = new Product {
ListPrice = 200, DiscountPercentage = 50
}, Currency = "USD"
});
ShoppingCart shoppingCart = new ShoppingCart(new ObservableCollection <ShoppingCartItem>(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(null, NavigationMode.New, null);
Assert.IsTrue(signInUserControlOnNavigatedToCalled);
Assert.AreEqual("$200.00", target.FullPrice);
Assert.AreEqual("$100.00", target.TotalDiscount);
Assert.AreEqual(1, target.ShoppingCartItemViewModels.Count);
}
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(null, NavigationMode.New, null);
Assert.AreEqual(string.Empty, target.TotalPrice);
Assert.AreEqual(string.Empty, target.TotalDiscount);
Assert.AreEqual(string.Empty, target.FullPrice);
}
