public void Index_Returns_A_Paged_List_Of_Customers()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
IList<Customer> customers = GetFakeCustomers();
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.FindPagedCustomersInt32Int32 = (page, pageSize) => customers.Skip(page * pageSize).Take(pageSize).ToList();
CustomerController controller = new CustomerController(customerService);
//Act
ViewResultBase result = controller.Index(0, 5) as ViewResult;
//Assert
Assert.IsNotNull(result, "Expected a view");
CustomerListViewModel model = result.ViewData.Model as CustomerListViewModel;
Assert.IsNotNull(model, "model is null or different than CustomerListViewModel");
IList<Customer> resultCustomers = (model.PageItems as IEnumerable<Customer>).ToList();
Assert.AreEqual(5, resultCustomers.Count(), "Expected a different number of customers");
}
public void CustomerPicture_Returns_A_Default_Image_When_The_Customer_Doesnt_Have_Image()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
//Create a customer
Customer customer = new Customer(){ CustomerCode = "A0001", CustomerPicture = null};
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.FindCustomerByCodeString = x => customer;
CustomerController controller = new CustomerController(customerService);
//Act
FilePathResult result = controller.CustomerPicture("A0001") as FilePathResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual("img/png", result.ContentType);
Assert.IsTrue(result.FileName.EndsWith("Unknown.png"));
}
public void Delete_Action_Deletes_The_Customer_And_Redirects_To_Index()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
Customer customer = new Customer() { CustomerCode = "A0001" };
IList<Customer> customers = new List<Customer>() { customer };
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.FindCustomerByCodeString = x => customer;
customerService.RemoveCustomerCustomer = x => customers.Remove(customer);
CustomerController controller = new CustomerController(customerService);
//Act
RedirectToRouteResult result = controller.Delete("A0001") as RedirectToRouteResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(0, customers.Count);
Assert.AreEqual("Index", result.RouteValues["action"]);
Assert.IsNull(result.RouteValues["controller"]);
Assert.AreEqual(0, result.RouteValues["page"]);
Assert.AreEqual(10, result.RouteValues["pageSize"]);
}
public void Edit_Post_Saves_A_Valid_Customer_And_Redirects_To_Details_Of_The_Customer()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
Customer customer = new Customer() { CustomerCode = "A0001" };
IList<Customer> customers = new List<Customer>();
bool changeCustomerWasCalled = false;
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.ChangeCustomerCustomer = x => changeCustomerWasCalled = true;
CustomerController controller = new CustomerController(customerService);
//Act
RedirectToRouteResult result = controller.Edit(customer) as RedirectToRouteResult;
//Assert
Assert.IsNotNull(result);
Assert.IsTrue(changeCustomerWasCalled);
Assert.AreEqual("Details", result.RouteValues["action"]);
//Asp.Net MVC convention to say "Same Controller"
Assert.IsNull(result.RouteValues["controller"]);
Assert.AreEqual("A0001", result.RouteValues["customerCode"]);
}
public void Edit_Post_Returns_Edit_View_With_An_Invalid_Customer()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
Customer customer = new Customer() { CustomerCode = "A0001" };
SICustomerManagementService customerService = new SICustomerManagementService();
CustomerController controller = new CustomerController(customerService);
ModelState state = new ModelState();
state.Value = new ValueProviderResult("A0001", "A0001", CultureInfo.CurrentCulture);
state.Errors.Add("Invalid Customer Code");
controller.ModelState.Add("CustomerCode", state);
//Act
ViewResult result = controller.Edit(customer) as ViewResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual("A0001", result.ViewData.ModelState["CustomerCode"].Value.AttemptedValue);
Assert.AreEqual("", result.ViewName);
}
public void Edit_Get_Returns_The_Correct_Customer_To_Edit()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
Customer customer = new Customer() { CustomerCode = "A0001" };
IList<Customer> customers = new List<Customer>();
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.FindCustomerByCodeString = x => customer;
CustomerController controller = new CustomerController(customerService);
//Act
ViewResult result = controller.Edit("A0001") as ViewResult;
//Assert
Assert.IsNotNull(result);
Customer model = result.ViewData.Model as Customer;
Assert.IsNotNull(model);
Assert.AreSame(customer, model);
Assert.AreEqual("", result.ViewName);
}
public void Create_Post_Adds_The_Customer_And_Redirects_To_The_Index_Page_With_A_Valid_Customer()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
Customer customer = new Customer() { CustomerCode = "A0001" };
IList<Customer> customers = new List<Customer>();
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.AddCustomerCustomer = x => customers.Add(customer);
CustomerController controller = new CustomerController(customerService);
//Act
RedirectToRouteResult result = controller.Create(customer) as RedirectToRouteResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(0, result.RouteValues["page"]);
Assert.AreEqual(10, result.RouteValues["pageSize"]);
Assert.AreEqual(1, customers.Count);
Assert.AreEqual("A0001", customers.First().CustomerCode);
}
public void Create_Get_Returns_Create_View()
{
/*
* Arrange
* 1º - Initialize stub of SICustomerManagementService
* 2º - Create controller to test
*/
SICustomerManagementService customerService = new SICustomerManagementService();
CustomerController controller = new CustomerController(customerService);
//Act
ViewResult result = controller.Create() as ViewResult;
//Assert
Assert.IsNotNull(result);
//This is a MVC convention. When you don't specify a view
//it takes the view with the same name as the controller action.
Assert.AreEqual("", result.ViewName);
}
public void Details_Returns_The_Requested_Customer_Details()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
Customer customer = new Customer() { CustomerCode = "A0001", CustomerPicture = null };
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.FindCustomerByCodeString = x => customer;
CustomerController controller = new CustomerController(customerService);
//Act
ViewResult result = controller.Details("A0001") as ViewResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual("", result.ViewName);
Customer model = result.ViewData.Model as Customer;
Assert.IsNotNull(model);
Assert.AreEqual("A0001", model.CustomerCode);
}
public void CustomerPicture_Returns_Customer_Image_When_The_Customer_Has_Image()
{
/*
* Arrange
* 1º - Create a dummy list of customers
* 2º - Initialize stub of SICustomerManagementService
* 3º - Create controller to test
*/
byte[] customerPhoto = new byte[] { 0x10 };
Customer customer = new Customer()
{
CustomerCode = "A0001",
CustomerPicture = new CustomerPicture()
{
Photo = customerPhoto
}
};
SICustomerManagementService customerService = new SICustomerManagementService();
customerService.FindCustomerByCodeString = x => customer;
//Create the controller
CustomerController controller = new CustomerController(customerService);
//Act
FileContentResult result = controller.CustomerPicture("A0001") as FileContentResult;
//Assert
Assert.IsNotNull(result);
Assert.AreEqual("img", result.ContentType);
Assert.AreEqual(customerPhoto.Length, result.FileContents.Length);
for (int i = 0; i < customerPhoto.Length; i++)
{
Assert.AreEqual(customerPhoto[i], result.FileContents[i]);
}
}
