public Func <MySlimBlock, bool> FilterByMode(ObservationMode mode)
{
if (mode == ObservationMode.NEW_BLOCKS)
{
return(FilterOnlyNew);
}
return(block => true);
}
public void WhenInitialazingVmShouldUseObservationModeFromDataContextModeBoth()
{
const ObservationMode mode = ObservationMode.Both;
ViewModelBase parentViewModel = GetViewModelBase();
var viewModel = parentViewModel.GetViewModel <TestViewModelBase>(observationMode: mode);
parentViewModel.LocalEventAggregator.GetObservers().Contains(viewModel).ShouldBeTrue();
viewModel.LocalEventAggregator.GetObservers().Contains(parentViewModel).ShouldBeTrue();
}
public void GetViewModelMethodShouldUseCorrectParameters()
{
const IocContainerCreationMode iocContainerCreationMode = IocContainerCreationMode.ParentViewModel;
const ObservationMode listenType = ObservationMode.Both;
var constantValue = DataConstantValue.Create(new DataConstant <string>("test"), "test");
bool isInvoked = false;
var providerMock = new ViewModelProviderMock();
var func = IocContainer.GetFunc;
IocContainer.GetFunc = (type, s, arg3) =>
{
if (type == typeof(IViewModelProvider))
{
return(providerMock);
}
return(func(type, s, arg3));
};
ViewModelBase viewModel = GetViewModelBase();
Action <IDataContext> check = context =>
{
context.GetData((DataConstant <string>)constantValue.DataConstant).ShouldEqual(constantValue.Value);
context.GetDataTest(InitializationConstants.ObservationMode).ShouldEqual(listenType);
context.GetDataTest(InitializationConstants.IocContainerCreationMode).ShouldEqual(iocContainerCreationMode);
isInvoked = true;
};
providerMock.GetViewModel = (@delegate, context) =>
{
check(context);
return(@delegate(IocContainer));
};
providerMock.GetViewModelType = (type, context) =>
{
check(context);
return(new ViewModelBaseWithContext());
};
viewModel.GetViewModel(getViewModel: adapter => new ViewModelBaseWithContext(),
containerCreationMode: iocContainerCreationMode, observationMode: listenType, parameters: constantValue);
isInvoked.ShouldBeTrue();
isInvoked = false;
viewModel.GetViewModel(adapter => new ViewModelBaseWithContext(), listenType, iocContainerCreationMode, constantValue);
isInvoked.ShouldBeTrue();
isInvoked = false;
viewModel.GetViewModel(typeof(ViewModelBaseWithContext), listenType, iocContainerCreationMode, constantValue);
isInvoked.ShouldBeTrue();
isInvoked = false;
viewModel.GetViewModel <ViewModelBaseWithContext>(listenType, iocContainerCreationMode, constantValue);
isInvoked.ShouldBeTrue();
}
public void WhenInitialazingVmShouldUseObservationModeFromDataContextModeBoth()
{
const ObservationMode mode = ObservationMode.Both;
var iocContainer = new IocContainerMock();
ViewModelProvider provider = GetViewModelProvider(iocContainer);
var parentViewModel = new ViewModel();
var context = new DataContext
{
{ InitializationConstants.ObservationMode, mode },
{ InitializationConstants.ParentViewModel, parentViewModel }
};
var viewModel = (ViewModel)provider.GetViewModel(container => new ViewModel(), context);
parentViewModel.LocalEventAggregator.GetObservers().Contains(viewModel).ShouldBeTrue();
viewModel.LocalEventAggregator.GetObservers().Contains(parentViewModel).ShouldBeTrue();
}
public void ProviderShouldUseObservationModeFromDataContextModeNone()
{
const ObservationMode mode = ObservationMode.None;
var iocContainer = new IocContainerMock();
ViewModelProvider provider = GetViewModelProvider(iocContainer);
var parentViewModel = new ViewModel();
var context = new DataContext
{
{ InitializationConstants.ObservationMode, mode },
{ InitializationConstants.ParentViewModel, parentViewModel }
};
var viewModel = (ViewModel)provider.GetViewModel(container => new ViewModel(), context);
viewModel.ViewModelEventAggregator.GetObservers().Contains(viewModel).ShouldBeFalse();
viewModel.ViewModelEventAggregator.GetObservers().Contains(viewModel).ShouldBeFalse();
}
