public void CanListProductsByCategoryId()
{
// Arrange
var categories = new List<Category>();
categories.Add(new Category { CategoryID = 42, CategoryName = "Beer" });
var products = new List<Product>();
products.Add(new Product { CategoryID = 42, ProductName = "Heineken" });
products.Add(new Product { CategoryID = 42, ProductName = "Guiness" });
products.Add(new Product { CategoryID = 42, ProductName = "Hefeweisen" });
var repository = new Mock<NorthwindRepository>();
repository.Setup(r => r.Categories).Returns(categories.AsQueryable());
repository.Setup(r => r.Products).Returns(products.AsQueryable());
// Act
var controller = new ProductsController(repository.Object);
var result = controller.List("Beer") as ViewResult;
// Assert
Assert.IsNotNull(result, "Expected the result to be a render view result");
var viewData = result.ViewData.Model as IEnumerable<Product>;
Assert.AreEqual(3, viewData.Count());
Assert.AreEqual(42, viewData.First().CategoryID);
Assert.AreEqual("Heineken", viewData.First().ProductName);
}
public void CanEditProduct()
{
// Arrange
var products = new List<Product>();
products.Add(new Product {ProductID=41, ProductName="Visual Studio"});
var suppliers = new List<Supplier>();
suppliers.Add(new Supplier{ CompanyName="Microsoft"});
var categories = new List<Category>();
categories.Add(new Category { CategoryName="Tools" });
var repository = new Mock<NorthwindRepository>();
repository.Setup(r => r.Products).Returns(products.AsQueryable());
repository.Setup(r => r.Suppliers).Returns(suppliers.AsQueryable());
repository.Setup(r => r.Categories).Returns(categories.AsQueryable());
// Act
var controller = new ProductsController(repository.Object);
var result = controller.Edit(41) as ViewResult;
// Assert
var viewData = result.ViewData;
var model = viewData.Model as Product;
Assert.IsNotNull(viewData["CategoryID"]);
Assert.IsNotNull(viewData["SupplierID"]);
Assert.AreEqual(41, model.ProductID);
}
public void CanRenderCategories()
{
// Arrange
var categories = new List<Category>();
categories.Add(new Category { CategoryID = 42, Description = "Babelfish" });
var repository = new Mock<NorthwindRepository>();
repository.Setup(r => r.Categories).Returns(categories.AsQueryable());
// Act
var controller = new ProductsController(repository.Object);
var result = controller.Index() as ViewResult;
// Assert
Assert.IsNotNull(result, "Expected the result to be a ViewResult");
var viewData = result.ViewData.Model as IEnumerable<Category>;
Assert.IsNotNull(viewData);
Assert.AreEqual(1, viewData.Count());
Assert.AreEqual("Babelfish", viewData.First().Description);
}
public void DetailRendersProduct()
{
// Arrange
var products = new List<Product>();
products.Add(new Product{ ProductID= 123, ProductName="Roomba" });
var repository = new Mock<NorthwindRepository>();
repository.Setup(r => r.Products).Returns(products.AsQueryable());
// Act
var controller = new ProductsController(repository.Object);
var result = controller.Detail(123) as ViewResult;
// Assert
Assert.IsNotNull(result, "Expected the result to be a render view result");
var viewData = result.ViewData.Model as Product;
Assert.AreEqual(123, viewData.ProductID);
Assert.AreEqual("Roomba", viewData.ProductName);
}
public void CanUpdateProduct()
{
// Arrange
var products = new List<Product>();
products.Add(new Product { ProductID = 321, ProductName = "Hello Kitty Phone" });
products[0].Category = new Category { CategoryName="Macho Stuff" };
var repository = new Mock<NorthwindRepository>();
repository.Setup(r => r.Products).Returns(products.AsQueryable());
repository.Setup(r => r.SubmitChanges()).AtMostOnce();
var formVars = new NameValueCollection();
formVars.Add("ProductName", "Megawatt Power Tools");
var context = new Mock<HttpContextBase>();
context.Setup(c => c.Request.Form).Returns(formVars);
// Act
var controller = new ProductsController(repository.Object);
controller.ControllerContext = new ControllerContext(context.Object, new RouteData(), controller);
var result = controller.Edit(321, new FormCollection()) as RedirectToRouteResult;
// Assert
Assert.IsNotNull(result, "Expected the result to be a redirect");
Assert.AreEqual("List", result.RouteValues["action"]);
Assert.AreEqual("Macho Stuff", result.RouteValues["id"].ToString());
}