Add unit tests for IncludingInherited for view components

Author: melikpehlivanov

test/MyTested.AspNetCore.Mvc.Test.Setups/ViewComponents/InheritViewComponent.cs

@@ -0,0 +1,17 @@
+namespace MyTested.AspNetCore.Mvc.Test.Setups.ViewComponents
+{
+    using Microsoft.AspNetCore.Authorization;
+    using Microsoft.AspNetCore.Mvc;
+
+    [ResponseCache]
+    public class InheritViewComponent : BaseInheritViewComponent
+    {
+    }
+
+    [AllowAnonymous]
+    [ValidateAntiForgeryToken]
+    public class BaseInheritViewComponent : ViewComponent
+    {
+
+    }
+}

test/MyTested.AspNetCore.Mvc.ViewComponents.Attributes.Test/BuildersTests/AttributesTests/ViewComponentAttributesTestBuilderTests.cs

@@ -1,7 +1,10 @@
 namespace MyTested.AspNetCore.Mvc.Test.BuildersTests.AttributesTests
 {
     using Exceptions;
+    using Microsoft.AspNetCore.Authorization;
+    using Microsoft.AspNetCore.Mvc;
     using Setups;
+    using Setups.Controllers;
     using Setups.ViewComponents;
     using Xunit;
 
@@ -66,5 +69,32 @@ public void DisablingActionCallShouldThrowExceptionWithActionWithoutTheAttribute
                 },
                 "When testing ComponentWithCustomAttribute was expected to have ViewComponentAttribute, but in fact such was not found.");
         }
+
+        [Fact]
+        public void IncludingInheritedShouldIncludeAllCustomInheritedAttributesFromBaseViewComponentAndNotThrowException()
+        {
+            MyViewComponent<InheritViewComponent>
+                .Instance()
+                .ShouldHave()
+                .Attributes(attributes => attributes.IncludingInherited()
+                    .ContainingAttributeOfType<ValidateAntiForgeryTokenAttribute>()
+                    .ContainingAttributeOfType<AllowAnonymousAttribute>()
+                    .ContainingAttributeOfType<ResponseCacheAttribute>());
+        }
+
+        [Fact]
+        public void TryingToAssertInheritedAttributesWithoutIncludingInheritedShouldThrowException()
+        {
+            Test.AssertException<AttributeAssertionException>(
+                () =>
+                {
+                    MyViewComponent<InheritViewComponent>
+                         .Instance()
+                        .ShouldHave()
+                        .Attributes(attributes => attributes//.IncludingInherited()
+                            .ContainingAttributeOfType<ValidateAntiForgeryTokenAttribute>()
+                            .ContainingAttributeOfType<ResponseCacheAttribute>());
+                }, "When testing InheritViewComponent was expected to have ValidateAntiForgeryTokenAttribute, but in fact such was not found.");
+        }
     }
 }