public CategoryViewModel(Category category, INavigationService navigationService)
{
_category = category;
_navigationService = navigationService;
CategoryNavigationCommand = new DelegateCommand(NavigateToCategory);
_productsViewModels = new List<ProductViewModel>();
if (category != null && category.Products != null)
{
var position = 0;
foreach (var product in category.Products)
{
_productsViewModels.Add(new ProductViewModel(product) { ItemPosition = position });
position++;
}
Products = _productsViewModels;
}
}
public void OnNavigatedTo_Fill_Items_And_Title()
{
var repository = new MockProductCatalogRepository();
var navigationService = new MockNavigationService();
var searchPaneService = new MockSearchPaneService();
repository.GetCategoryAsyncDelegate = (categoryId) =>
{
Category category = null;
if (categoryId == 1)
{
category = new Category { Id = categoryId, Title = "CategoryTitle" };
}
return Task.FromResult(category);
};
repository.GetSubcategoriesAsyncDelegate = (categoryId) =>
{
ReadOnlyCollection<Category> categories = null;
if (categoryId == 1)
{
categories = new ReadOnlyCollection<Category>(new List<Category>
{
new Category(),
new Category(),
new Category()
});
}
return Task.FromResult(categories);
};
var viewModel = new GroupDetailPageViewModel(repository, navigationService, null, null, searchPaneService);
viewModel.OnNavigatedTo(1, NavigationMode.New, null);
Assert.IsNotNull(viewModel.Items);
Assert.AreEqual(3, ((ICollection<CategoryViewModel>)viewModel.Items).Count);
Assert.AreEqual("CategoryTitle", viewModel.Title);
}
