public void PresentShouldInvokeCallbackOnClear()
{
var vm = GetViewModel <NavigableViewModelMock>();
IOperationCallback operationCallback = null;
ApplicationSettings.Platform = new PlatformInfo(PlatformType.WPF, new Version(0, 0));
OperationCallbackManager.Register = (type, o, arg3, arg4) =>
{
type.ShouldEqual(OperationType.TabNavigation);
operationCallback = arg3;
};
OperationCallbackManager.SetResult = (o, result) =>
{
result.Operation.ShouldEqual(OperationType.TabNavigation);
o.ShouldEqual(vm);
operationCallback.Invoke(result);
};
vm.OperationResult = true;
MultiViewModel viewModel = GetMultiViewModel();
IDynamicViewModelPresenter presenter = new DynamicMultiViewModelPresenter(viewModel,
OperationCallbackManager);
IAsyncOperation <bool?> task = presenter.TryShowAsync(vm, DataContext.Empty, null);
task.ShouldNotBeNull();
task.IsCompleted.ShouldBeFalse();
viewModel.Clear();
task.IsCompleted.ShouldBeTrue();
task.Result.Result.ShouldEqual(true);
operationCallback.ShouldNotBeNull();
}
public void PresentShouldInvokeCallbackOnRemove()
{
var vm = GetViewModel <NavigableViewModelMock>();
IOperationCallback operationCallback = null;
OperationCallbackManager.Register = (type, o, arg3, arg4) =>
{
type.ShouldEqual(OperationType.TabNavigation);
operationCallback = arg3;
};
OperationCallbackManager.SetResult = (o, result) =>
{
result.Operation.ShouldEqual(OperationType.TabNavigation);
o.ShouldEqual(vm);
operationCallback.Invoke(result);
};
vm.OperationResult = true;
MultiViewModel viewModel = GetMultiViewModel();
IDynamicViewModelPresenter presenter = new DynamicMultiViewModelPresenter(viewModel,
OperationCallbackManager, (model, context, arg3) => true);
IAsyncOperation <bool?> task = presenter.TryShowAsync(vm, DataContext.Empty, null);
task.ShouldNotBeNull();
task.IsCompleted.ShouldBeFalse();
viewModel.RemoveViewModelAsync(vm).Result.ShouldBeTrue();
task.IsCompleted.ShouldBeTrue();
task.Result.Result.ShouldEqual(true);
operationCallback.ShouldNotBeNull();
}