public void ReturnsNullForUnregisteredChildViewModels()
{
var viewModelManager = new ViewModelManager();
var foundViewModels = viewModelManager.GetChildViewModels(42);
Assert.AreEqual(0, foundViewModels.Count());
}
public void ReturnsChildViewModelsUsingParentInstance()
{
var parentViewModel = new TestViewModel() as IRelationalViewModel;
var childViewModel = new TestViewModel() as IRelationalViewModel;
var viewModelManager = new ViewModelManager();
parentViewModel.RegisterChildViewModel(childViewModel as IViewModel);
childViewModel.SetParentViewModel(parentViewModel as IViewModel);
viewModelManager.RegisterViewModelInstance(parentViewModel as IViewModel);
viewModelManager.RegisterViewModelInstance(childViewModel as IViewModel);
var foundViewModels = viewModelManager.GetChildViewModels(parentViewModel as IViewModel);
Assert.IsNotNull(foundViewModels);
Assert.IsTrue(foundViewModels.Contains(childViewModel));
}
public void ReturnsChildViewModelsUsingParentInstance()
{
var parentViewModel = new TestViewModel() as IRelationalViewModel;
var childViewModel = new TestViewModel() as IRelationalViewModel;
var viewModelManager = new ViewModelManager();
parentViewModel.RegisterChildViewModel(childViewModel as IViewModel);
childViewModel.SetParentViewModel(parentViewModel as IViewModel);
viewModelManager.RegisterViewModelInstance(parentViewModel as IViewModel);
viewModelManager.RegisterViewModelInstance(childViewModel as IViewModel);
var foundViewModels = viewModelManager.GetChildViewModels(parentViewModel as IViewModel);
Assert.IsNotNull(foundViewModels);
Assert.IsTrue(foundViewModels.Contains(childViewModel));
}
public void ReturnsNullForUnregisteredChildViewModels()
{
var viewModelManager = new ViewModelManager();
var foundViewModels = viewModelManager.GetChildViewModels(42);
Assert.AreEqual(0, foundViewModels.Count());
}