Should_Replace_Registered_Mvc_Service test added

framework/test/Volo.Abp.AspNetCore.Mvc.Tests/Volo/Abp/AspNetCore/Mvc/DependencyInjection/AbpAspNetCoreMvcConventionalRegistrar_Tests.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Linq;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.Extensions.DependencyInjection;
@@ -35,6 +32,27 @@ namespace Volo.Abp.AspNetCore.Mvc.DependencyInjection
             serviceProvider.GetServices<My_Test_Controller>().Count().ShouldBe(1);
             serviceProvider.GetServices<My_Test_ViewComponent>().Count().ShouldBe(1);
         }
+
+        [Fact]
+        public void Should_Replace_Registered_Mvc_Service()
+        {
+            //Arrange
+            var services = new ServiceCollection();
+
+            //Act
+            services.AddConventionalRegistrar(new DefaultConventionalRegistrar());
+            services.AddConventionalRegistrar(new AbpAspNetCoreMvcConventionalRegistrar());
+
+            services.AddTypes(typeof(My_Second_Test_ViewComponent), typeof(My_Third_Test_ViewComponent));
+
+            //Assert
+            services.ShouldContainTransient(typeof(My_Second_Test_ViewComponent),
+                typeof(My_Third_Test_ViewComponent));
+            services.ShouldNotContainService(typeof(My_Third_Test_ViewComponent));
+
+            var serviceProvider = services.BuildServiceProvider();
+            serviceProvider.GetServices<My_Second_Test_ViewComponent>().Count().ShouldBe(1);
+        }
     }
 
     public class My_Test_PageModel : PageModel
@@ -49,6 +67,15 @@ namespace Volo.Abp.AspNetCore.Mvc.DependencyInjection
 
     public class My_Test_ViewComponent : ViewComponent
     {
+    }
 
+    public class My_Second_Test_ViewComponent : ViewComponent
+    {
+    }
+
+    [Dependency(ReplaceServices = true)]
+    [ExposeServices(typeof(My_Second_Test_ViewComponent))]
+    public class My_Third_Test_ViewComponent : My_Second_Test_ViewComponent
+    {
     }
-}
+}