public void TestRegisterAndRemoveCommand()
{
// Create the controller, register the ControllerTestCommand to handle 'ControllerTest' notes
IController controller = Controller.GetInstance("ControllerTestKey3", () => new Controller("ControllerTestKey3"));
controller.RegisterCommand("ControllerRemoveTest", () => new ControllerTestCommand());
// Create a 'ControllerTest' note
ControllerTestVO vo = new ControllerTestVO(12);
INotification note = new Notification("ControllerRemoveTest", vo);
// Tell the controller to execute the Command associated with the note
// the ControllerTestCommand invoked will multiply the vo.input value
// by 2 and set the result on vo.result
controller.ExecuteCommand(note);
// test assertions
Assert.AreEqual(24, vo.result, "Expecting vo.result == 24");
// Reset result
vo.result = 0;
// Remove the Command from the Controller
controller.RemoveCommand("ControllerRemoveTest");
// Tell the controller to execute the Command associated with the
// note. This time, it should not be registered, and our vo result
// will not change
controller.ExecuteCommand(note);
// test assertions
Assert.IsTrue(vo.result == 0, "Expecting vo.result == 0");
}
public void TestReRegisterAndExecuteCommand()
{
// Fetch the controller, register the ControllerTestCommand2 to handle 'ControllerTest2' notes
IController controller = Controller.GetInstance("ControllerTestKey5", () => new Controller("ControllerTestKey5"));
controller.RegisterCommand("ControllerTest2", () => new ControllerTestCommand2());
// Remove the Command from the Controller
controller.RemoveCommand("ContrllerTest2");
// Re-register the Command with the Controller
controller.RegisterCommand("ControllerTest2", () => new ControllerTestCommand2());
// Create a 'ControllerTest2' note
ControllerTestVO vo = new ControllerTestVO(12);
INotification note = new Notification("ControllerTest2", vo);
// retrieve a reference to the View from the same core.
IView view = View.GetInstance("ControllerTestKey5", () => new View("ControllerTestKey5"));
// send the Notification
view.NotifyObservers(note);
// test assertions
// if the command is executed once the value will be 24
Assert.IsTrue(vo.result == 24, "Expecting vo.result == 24");
// Prove that accumulation works in the VO by sending the notification again
view.NotifyObservers(note);
// if the command is executed twice the value will be 48
Assert.IsTrue(vo.result == 48, "Expecting vo.result == 48");
}
/// <summary>
/// Fabricate a result by multiplying the input by 2 and adding to the existing result
/// <para>
/// This tests accumulation effect that would show if the command were executed more than once.
/// </para>
/// </summary>
/// <param name="notification">the note carrying the ControllerTestVO</param>
public override void Execute(INotification notification)
{
ControllerTestVO vo = (ControllerTestVO)notification.Body;
// Fabricate a result
vo.result = vo.result + (2 * vo.input);
}
public void TestRegisterAndExecuteCommand()
{
// Create the controller, register the ControllerTestCommand to handle 'ControllerTest' notes
IController controller = Controller.GetInstance("ControllerTestKey2", () => new Controller("ControllerTestKey2"));
controller.RegisterCommand("ControllerTest", () => new ControllerTestCommand());
// Create a 'ControllerTest' notification
var vo = new ControllerTestVO(12);
INotification note = new Notification("ControllerTest", vo);
// Tell the controller to execute the Command associated with the notification
// the ControllerTestCommand invoked will multiply the vo.input value
// by 2 and set the result on vo.result
controller.ExecuteCommand(note);
// test assertions
Assert.IsTrue(vo.result == 24, "Expecting vo.result == 24");
}
