public void OnNavigatedTo_Fill_RootCategories()
{
var repository = new MockProductCatalogRepository();
var navigationService = new MockNavigationService();
var searchPaneService = new MockSearchPaneService();
repository.GetCategoriesAsyncDelegate = (maxAmmountOfProducts) =>
{
var categories = new ReadOnlyCollection<Category>(new List<Category>{
new Category(),
new Category(),
new Category()
});
return Task.FromResult(categories);
};
var viewModel = new HubPageViewModel(repository, navigationService, null, null, searchPaneService);
viewModel.OnNavigatedTo(null, NavigationMode.New, null);
Assert.IsNotNull(viewModel.RootCategories);
Assert.AreEqual(((ICollection<CategoryViewModel>)viewModel.RootCategories).Count, 3);
}
public void ProductNav_With_Valid_Parameter()
{
var repository = new MockProductCatalogRepository();
var navigationService = new MockNavigationService();
var productToNavigate =
new ProductViewModel(new Product()
{
ListPrice = 100,
ProductNumber = "p1",
ImageUri = new Uri("http://image"),
Currency = "USD",
Title = "My Title",
Description = "My Description",
});
navigationService.NavigateDelegate = (pageName, categoryId) =>
{
Assert.AreEqual("ItemDetail", pageName);
Assert.AreEqual(productToNavigate.ProductNumber, categoryId);
return true;
};
var viewModel = new HubPageViewModel(repository, navigationService, null, null, null);
viewModel.ProductNavigationAction.Invoke(productToNavigate);
}
public void FailedCallToProductCatalogRepository_ShowsAlert()
{
var alertCalled = false;
var productCatalogRepository = new MockProductCatalogRepository();
var navService = new MockNavigationService();
var searchPaneService = new MockSearchPaneService();
productCatalogRepository.GetCategoriesAsyncDelegate = (maxAmmountOfProducts) =>
{
throw new HttpRequestException();
};
var alertMessageService = new MockAlertMessageService();
alertMessageService.ShowAsyncDelegate = (s, s1) =>
{
alertCalled = true;
Assert.AreEqual("Error", s1);
return Task.FromResult(string.Empty);
};
var target = new HubPageViewModel(productCatalogRepository, navService,
alertMessageService, new MockResourceLoader(), searchPaneService);
target.OnNavigatedTo(null, NavigationMode.New, null);
Assert.IsTrue(alertCalled);
}
public void ProductNav_With_Null_Parameter_Does_Not_Navigate()
{
var repository = new MockProductCatalogRepository();
var navigationService = new MockNavigationService();
navigationService.NavigateDelegate = (pageName, categoryId) =>
{
Assert.Fail();
return false;
};
var viewModel = new HubPageViewModel(repository, navigationService, null, null, null);
viewModel.ProductNavigationAction.Invoke(null);
}
