public void Product_Lists_Include_Correct_Page_Numbers()
{
// 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" }
);
// Arrange: Create a new ProductsController with the mock repository
// and a page size of 3
var controller = new ProductsController(mockRepository) { PageSize = 3 };
// Act: Grab the view data model for page 2
var result = controller.List(2);
// Assert: Check all the data in the model
var viewModel = (ProductListViewModel) result.ViewData.Model ;
PagingInfo pagingInfo = viewModel.PagingInfo ;
pagingInfo.CurrentPage.ShouldEqual(2);
pagingInfo.TotalPages.ShouldEqual(2);
pagingInfo.ItemsPerPage.ShouldEqual(3);
pagingInfo.TotalItems.ShouldEqual(5);
}
public void Can_View_A_Single_Page_Of_Products()
{
// Arrange: Put 5 products in a mock 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" }
);
// Create a products controller
// Again, we're using an implicitly typed variable here
var controller = new ProductsController(repository);
// Set the controller's page size to 3
// We haven't implemented the PageSize property yet
// so the test will fail
controller.PageSize = 3;
// Act: Ask the controller for page 2
var result = controller.List(2);
// Assert: ... they'll see the last two products?
var displayedProducts = (ProductListViewModel)result.ViewData.Model;
displayedProducts.Products.Count.ShouldEqual(2);
displayedProducts.Products[0].Name.ShouldEqual("p4");
displayedProducts.Products[1].Name.ShouldEqual("p5");
}
public void Can_View_Products_From_A_Single_Category()
{
// 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 when we ask for the "All Products" category
var result = controller.List("Roman", 1);
// Arrange: ... we get only the product from that category
var viewModel = (ProductsListViewModel)result.ViewData.Model;
var displayedProducts = viewModel.Products;
displayedProducts.Count.ShouldEqual(1);
displayedProducts[0].Name.ShouldEqual("Neptune");
viewModel.CurrentCategory.ShouldEqual("Roman");
}
public void Can_View_A_Single_Page_Of_Products()
{
// 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'll 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");
}
public void Product_Lists_Include_Correct_Page_Numbers()
{
// 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 Product_Lists_Include_Correct_Page_Numbers()
{
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};
var result = controller.List(null, 2);
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);
}