public ProductViewModel(Product product, IShoppingCartRepository shoppingCartRepository, IAlertMessageService alertMessageService, IResourceLoader resourceLoader)
{
if (product == null)
{
throw new ArgumentNullException("product");
}
_product = product;
_shoppingCartRepository = shoppingCartRepository;
_alertMessageService = alertMessageService;
_resourceLoader = resourceLoader;
AddToCartCommand = DelegateCommand.FromAsyncHandler(AddToCart);
}
public void OnNavigatedTo_Fill_Items_And_SelectedProduct()
{
var repository = new MockProductCatalogRepository();
repository.GetProductAsyncDelegate = (productNumber) =>
{
Product product = null;
if (productNumber == "1")
{
product = new Product { ProductNumber = productNumber, SubcategoryId = 1 };
}
return Task.FromResult(product);
};
repository.GetProductsAsyncDelegate = (subCategoryId) =>
{
ICollection<Product> products = null;
if (subCategoryId == 1)
{
products = new Collection<Product>(new List<Product>
{
new Product(){ ProductNumber = "1", ImageUri = new Uri("http://image") },
new Product(){ ProductNumber = "2", ImageUri = new Uri("http://image") },
new Product(){ ProductNumber = "3", ImageUri = new Uri("http://image") }
});
}
return Task.FromResult(products);
};
var secondaryTileService = new MockSecondaryTileService() { SecondaryTileExistsDelegate = s => false};
var target = new ItemDetailPageViewModel(repository, new MockShoppingCartRepository(), null, null, secondaryTileService);
target.OnNavigatedTo(new NavigatedToEventArgs { Parameter = "1", NavigationMode = NavigationMode.New }, null);
Assert.IsNotNull(target.Items);
Assert.AreEqual(3, ((IReadOnlyCollection<ProductViewModel>)target.Items).Count);
Assert.AreEqual(target.Items.First(), target.SelectedProduct);
}
public ProductViewModel(Product product) : this(product, null, null, null)
{
}