public void StudioResourceRepository_FilterDialog_NullAfterFilter_ReturnsOriginalCollection()
{
//------------Setup for test--------------------------
var mockExplorerResourceRepository = new Mock<IClientExplorerResourceRepository>();
var explorerItem = GetTestData();
SetupEnvironmentRepo(Guid.Empty);
var mockVersionRepository = new Mock<IVersionRepository>();
var repository = new StudioResourceRepository(explorerItem, Guid.Empty, _invoke)
{
GetVersionProxy = id => mockVersionRepository.Object,
GetExplorerProxy = id => mockExplorerResourceRepository.Object
};
//------------Preconditions--------------------------
Assert.AreEqual(4, repository.ExplorerItemModels[0].ChildrenCount);
var explorerItemModels = repository.Filter(model => model.DisplayName.Contains("r1"));
Assert.AreEqual(0, explorerItemModels[0].ChildrenCount);
Assert.AreEqual(1, explorerItemModels[0].Children.Count);
//------------Execute Test---------------------------
repository.Filter(null);
//------------Assert Results-------------------------
Assert.AreEqual(4, repository.ExplorerItemModels[0].ChildrenCount);
}