public void Backlog_Can_Unregister_Observer()
{
// Arrange
Project project = new Project("Test Project", new Person("Bas", ERole.Lead));
SprintFactory factory = new SprintFactory();
Person p1 = new Person("Tom", ERole.Developer);
Person p2 = new Person("Jan Roos", ERole.Developer);
ISprint sprint = factory.MakeReleaseSprint("Sprint 1", DateTime.Now, DateTime.Now.AddDays(14), project, p1, new List <Person>()
{
p2
});
project.AddSprint(sprint);
var backlog = new Backlog(project);
var backlogItem = new BacklogItem("User can login into the platform", "Foo", p2, 3, backlog);
backlogItem.AssignPerson(p2);
backlog.AddBacklogItem(backlogItem);
sprint.AddToSprintBacklog(backlogItem);
project.AddBacklog(backlog);
var task1 = new Task("Bar", p1);
backlogItem.GetState().AddTask(task1);
var backlogItemObserver = new BacklogItemObserver();
// Act
backlogItem.Register(backlogItemObserver);
backlogItem.Unregister(backlogItemObserver);
// Assert
Assert.Empty(backlogItem.GetObservers());
}