Sitecore.Feature.Demo.Controllers.DemoController.DemoContent C# (CSharp) Метод

        public ActionResult DemoContent()
        {
            var item = RenderingContext.Current?.Rendering?.Item ?? RenderingContext.Current?.ContextItem;
            if (item == null || !item.IsDerived(Templates.DemoContent.ID))
            {
                throw new InvalidDataSourceItemException($"Item should be not null and derived from {nameof(Templates.DemoContent)} {Templates.DemoContent.ID} template");
            }

            return this.View("DemoContent", new DemoContent(item));
        }

    public void DemoContent_RenderingContextItemInitialized_ShouldReturnDemoContentView(Db db,IContactProfileProvider contact, IProfileProvider profile, ITracker tracker)
    {
      //arrange

      var itemID = ID.NewID;
      db.Add(new DbItem("ctx",itemID, Templates.DemoContent.ID));
      var controller = new DemoController(contact, profile);
      var context = new RenderingContext();
      context.ContextItem =  db.GetItem(itemID);
      ContextService.Get().Push(context);
      using (new TrackerSwitcher(tracker))
      {
        controller.DemoContent().As<ViewResult>().Model.Should().BeOfType<DemoContent>();
      }
    }