public void OnNavigatedTo_Fill_Items_And_SelectedProduct()
{
var repository = new MockProductCatalogRepository();
var navigationService = new MockNavigationService();
repository.GetProductAsyncDelegate = (productNumber) =>
{
Product product = null;
if (productNumber == "1")
{
product = new Product { ProductNumber = productNumber, SubcategoryId = 1 };
}
return Task.FromResult(product);
};
repository.GetProductsAsyncDelegate = (subCategoryId) =>
{
ReadOnlyCollection<Product> products = null;
if (subCategoryId == 1)
{
products = new ReadOnlyCollection<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 target = new ItemDetailPageViewModel(repository, navigationService, new MockShoppingCartRepository(), null, null, null, new MockSearchPaneService());
target.OnNavigatedTo("1", NavigationMode.New, null);
Assert.IsNotNull(target.Items);
Assert.AreEqual(3, ((IReadOnlyCollection<ProductViewModel>)target.Items).Count);
Assert.AreEqual(target.Items.First(), target.SelectedProduct);
}
public void OnNavigatedTo_When_Service_Not_Available_Then_Pops_Alert()
{
var repository = new MockProductCatalogRepository();
var navigationService = new MockNavigationService();
var alertService = new MockAlertMessageService();
var resourceLoader = new MockResourceLoader();
bool alertCalled = false;
repository.GetProductAsyncDelegate = (productNumber) =>
{
throw new HttpRequestException();
};
repository.GetProductsAsyncDelegate = (subCategoryId) =>
{
throw new HttpRequestException();
};
alertService.ShowAsyncDelegate = (msg, title) =>
{
alertCalled = true;
return Task.FromResult(string.Empty);
};
var target = new ItemDetailPageViewModel(repository, navigationService, new MockShoppingCartRepository(), alertService, resourceLoader, null, new MockSearchPaneService());
target.OnNavigatedTo("1", NavigationMode.New, null);
Assert.IsTrue(alertCalled);
}