public void ShoppingCartUpdated_WithNullCart_SetsItemCountZero()
{
var shoppingCartRepository = new MockShoppingCartRepository();
var shoppingCart = new ShoppingCart(new List<ShoppingCartItem> {new ShoppingCartItem {Quantity = 99}});
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult(shoppingCart);
var eventAggregator = new MockEventAggregator();
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
eventAggregator.GetEventDelegate = type =>
{
if (type == typeof(ShoppingCartUpdatedEvent)) return shoppingCartUpdatedEvent;
if (type == typeof(ShoppingCartItemUpdatedEvent)) return new ShoppingCartItemUpdatedEvent();
return null;
};
var accountService = new MockAccountService();
accountService.VerifyUserAuthenticationAsyncDelegate = () => Task.FromResult((UserInfo)null);
var target = new ShoppingCartTabUserControlViewModel(shoppingCartRepository, eventAggregator, null, null, accountService);
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(99, target.ItemCount);
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult<ShoppingCart>(null);
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(0, target.ItemCount);
}
public void VMListensToShoppingCartUpdatedEvent_ThenCalculatesTotalNumberOfItemsInCart()
{
var shoppingCart = new ShoppingCart(new List<ShoppingCartItem>());
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult(shoppingCart);
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
var eventAggregator = new MockEventAggregator();
eventAggregator.GetEventDelegate = type =>
{
if (type == typeof(ShoppingCartUpdatedEvent)) return shoppingCartUpdatedEvent;
if (type == typeof(ShoppingCartItemUpdatedEvent)) return new ShoppingCartItemUpdatedEvent();
return null;
};
var accountService = new MockAccountService();
accountService.GetSignedInUserAsyncDelegate = () => Task.FromResult((UserInfo)null);
var target = new ShoppingCartTabUserControlViewModel(shoppingCartRepository, eventAggregator, null, new AlertMessageService(), null, accountService);
shoppingCart = new ShoppingCart(new List<ShoppingCartItem>()
{
new ShoppingCartItem {Quantity = 1},
new ShoppingCartItem {Quantity = 2}
});
Assert.AreEqual(0, target.ItemCount);
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(3, target.ItemCount);
}
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 VMListensToShoppingCartUpdatedEvent_ThenCalculatesTotalNumberOfItemsInCart()
{
var shoppingCart = new ShoppingCart(new List <ShoppingCartItem>());
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult(shoppingCart);
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
var eventAggregator = new MockEventAggregator();
eventAggregator.GetEventDelegate = type =>
{
if (type == typeof(ShoppingCartUpdatedEvent))
{
return(shoppingCartUpdatedEvent);
}
if (type == typeof(ShoppingCartItemUpdatedEvent))
{
return(new ShoppingCartItemUpdatedEvent());
}
return(null);
};
var accountService = new MockAccountService();
accountService.VerifyUserAuthenticationAsyncDelegate = () => Task.FromResult((UserInfo)null);
var target = new ShoppingCartTabUserControlViewModel(shoppingCartRepository, eventAggregator, null, null, accountService);
shoppingCart = new ShoppingCart(new List <ShoppingCartItem>()
{
new ShoppingCartItem {
Quantity = 1
},
new ShoppingCartItem {
Quantity = 2
}
});
Assert.AreEqual(0, target.ItemCount);
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(3, target.ItemCount);
}
public void ShoppingCartUpdated_WithNullCart_SetsItemCountZero()
{
var shoppingCartRepository = new MockShoppingCartRepository();
var shoppingCart = new ShoppingCart(new List <ShoppingCartItem> {
new ShoppingCartItem {
Quantity = 99
}
});
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult(shoppingCart);
var eventAggregator = new MockEventAggregator();
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
eventAggregator.GetEventDelegate = type =>
{
if (type == typeof(ShoppingCartUpdatedEvent))
{
return(shoppingCartUpdatedEvent);
}
if (type == typeof(ShoppingCartItemUpdatedEvent))
{
return(new ShoppingCartItemUpdatedEvent());
}
return(null);
};
var accountService = new MockAccountService();
accountService.VerifyUserAuthenticationAsyncDelegate = () => Task.FromResult((UserInfo)null);
var target = new ShoppingCartTabUserControlViewModel(shoppingCartRepository, eventAggregator, null, null, accountService);
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(99, target.ItemCount);
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult <ShoppingCart>(null);
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(0, target.ItemCount);
}
public void ShoppingCartUpdated_WithNullCart_SetsItemCountZero()
{
var shoppingCartRepository = new MockShoppingCartRepository();
shoppingCartRepository.GetShoppingCartAsyncDelegate = () => Task.FromResult<ShoppingCart>(null);
var eventAggregator = new MockEventAggregator();
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
eventAggregator.GetEventDelegate = type =>
{
if (type == typeof(ShoppingCartUpdatedEvent)) return shoppingCartUpdatedEvent;
if (type == typeof(ShoppingCartItemUpdatedEvent)) return new ShoppingCartItemUpdatedEvent();
return null;
};
var accountService = new MockAccountService();
accountService.GetSignedInUserAsyncDelegate = () => Task.FromResult((UserInfo)null);
var target = new ShoppingCartTabUserControlViewModel(shoppingCartRepository, eventAggregator, null, new AlertMessageService(), null, accountService);
target.ItemCount = 99;
shoppingCartUpdatedEvent.Publish(null);
Assert.AreEqual(0, target.ItemCount);
}
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);
};
var eventAggregator = new MockEventAggregator();
var shoppingCartUpdatedEvent = new ShoppingCartUpdatedEvent();
eventAggregator.GetEventDelegate = type => shoppingCartUpdatedEvent;
var target = new ShoppingCartPageViewModel(shoppingCartRepository, navigationService, accountService, null, null, null, null, null, eventAggregator);
target.OnNavigatedTo(null, 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.AreEqual("$200.00", target.FullPrice);
}
