Dev2.Core.Tests.Repositories.StudioResourceRepositoryTests.StudioResourceRepository_DeleteItem_ItemRemoved_ChildrenChangedFired C# (CSharp) Method

        public void StudioResourceRepository_DeleteItem_ItemRemoved_ChildrenChangedFired()
        {
            //------------Setup for test--------------------------
            var _propertyChangedCalled = false;
            var mockExplorerResourceRepository = new Mock<IClientExplorerResourceRepository>();
            mockExplorerResourceRepository.Setup(m => m.DeleteItem(It.IsAny<IExplorerItem>(), It.IsAny<Guid>()))
                                          .Returns(new ExplorerRepositoryResult(ExecStatus.Success, "Success"))
                                          .Verifiable();

            var environmentId = Guid.NewGuid();
            var workflowId = Guid.NewGuid();
            var folderID = Guid.NewGuid();
            SetupEnvironmentRepo(environmentId);
            var mockVersionRepository = new Mock<IVersionRepository>();
            var repository = new StudioResourceRepository(GetTestData(workflowId.ToString(), folderID: folderID), environmentId, _invoke)
            {
                GetVersionProxy = id => mockVersionRepository.Object,
                GetExplorerProxy = id => mockExplorerResourceRepository.Object
            };

            var folderItem = repository.FindItemById(folderID);
            ExplorerItemModel explorerItemModel = folderItem.Parent as ExplorerItemModel;
            // ReSharper disable PossibleNullReferenceException
            explorerItemModel.PropertyChanged += (sender, args) =>
            // ReSharper restore PossibleNullReferenceException
            {
                if (args.PropertyName == "ChildrenCount")
                {
                    _propertyChangedCalled = true;
                }
            };

            //------------Execute Test---------------------------
            repository.DeleteItem(environmentId, folderID);
            //------------Assert Results-------------------------
            var foundItem = repository.FindItemById(folderID);
            Assert.IsNull(foundItem);
            Assert.IsTrue(_propertyChangedCalled);
        }