public void CanViewProductsFromASingleCategory()
{
// Arrange: if two products are in two different categories...
IProductsRepository repository = UnitTestHelpers.MockProductsRepository(
new Product { Name = "Artemis", Category = "Greek" },
new Product { Name = "Neptune", Category = "Roman" }
);
var controller = new ProductsController(repository);
var result = controller.List("Roman", 1);
var viewModel = (ProductsListViewModel)result.ViewData.Model;
viewModel.Products.Count.ShouldEqual(1);
viewModel.Products[0].Name.ShouldEqual("Neptune");
viewModel.CurrentCategory.ShouldEqual("Roman");
}
public void CanViewProductsFromAllCategories()
{
// Arrange: if two products are in two different categories...
IProductsRepository repository = UnitTestHelpers.MockProductsRepository(
new Product { Name = "Artemis", Category = "Greek" },
new Product { Name = "Neptune", Category = "Roman" }
);
var controller = new ProductsController(repository);
// act: ... then we ask for the all products category
var result = controller.List(null, 1);
// assert: we get both products
var viewModel = (ProductsListViewModel)result.ViewData.Model;
viewModel.Products.Count.ShouldEqual(2);
viewModel.Products[0].Name.ShouldEqual("Artemis");
viewModel.Products[1].Name.ShouldEqual("Neptune");
}
public void ProductListsIncludeCorrectPageNumbers()
{
// Arrange: If there are five products in the repository...
var mockRepository = UnitTestHelpers.MockProductsRepository(
new Product { Name = "P1" }, new Product { Name = "P2" },
new Product { Name = "P3" }, new Product { Name = "P4" },
new Product { Name = "P5" }
);
var controller = new ProductsController(mockRepository) { PageSize = 3 };
// Act: ... then when the user asks for the second page (PageSize=3)...
var result = controller.List(null, 2);
// Assert: ... they'll see page links matching the following
var viewModel = (ProductsListViewModel)result.ViewData.Model;
PagingInfo pagingInfo = viewModel.PagingInfo;
pagingInfo.CurrentPage.ShouldEqual(2);
pagingInfo.ItemsPerPage.ShouldEqual(3);
pagingInfo.TotalItems.ShouldEqual(5);
pagingInfo.TotalPages.ShouldEqual(2);
}
public void CanViewASinglePageOfProducts()
{
// arrange: if there are 5 products in the repository
IProductsRepository repository = UnitTestHelpers.MockProductsRepository(
new Product { Name = "P1" }, new Product { Name = "P2" },
new Product { Name = "P3" }, new Product { Name = "P4" },
new Product { Name = "P5" }
);
var controller = new ProductsController(repository);
controller.PageSize = 3;
// act: then when the user asks for the second page (pagesize=3)...
var result = controller.List(null, 2);
// Assert: they will just see the last two products
var viewModel = (ProductsListViewModel)result.ViewData.Model;
var displayedProducts = viewModel.Products;
displayedProducts.Count.ShouldEqual(2);
displayedProducts[0].Name.ShouldEqual("P4");
displayedProducts[1].Name.ShouldEqual("P5");
}