Added OfType method tests in JsonSerializerTestBuilderTests (#148)

Author: stankovT

test/MyTested.AspNetCore.Mvc.Controllers.Views.ActionResults.Test/BuildersTests/ActionResultsTests/JsonTests/JsonSerializerTestBuilderTests.cs

@@ -368,7 +368,7 @@ public void ContainingConverterShouldThrowExceptionWithIncorrectValue()
         }
 
         [Fact]
-        public void ContainingConverterOfTypeShouldNotThrowExceptionWithCorrectValue()
+        public void ContainingConverterOfTypeShouldNotThrowExceptionWithCorrectValueForGeneric()
         {
             var jsonSerializerSettings = TestObjectFactory.GetJsonSerializerSettings();
             var jsonConverter = new CustomJsonConverter();
@@ -385,7 +385,24 @@ public void ContainingConverterOfTypeShouldNotThrowExceptionWithCorrectValue()
         }
 
         [Fact]
-        public void ContainingConverterOfTypeShouldThrowExceptionWithIncorrectValue()
+        public void ContainingConverterOfTypeShouldNotThrowExceptionWithCorrectValue()
+        {
+            var jsonSerializerSettings = TestObjectFactory.GetJsonSerializerSettings();
+            var jsonConverter = new CustomJsonConverter();
+            jsonSerializerSettings.Converters.Add(jsonConverter);
+
+            MyController<MvcController>
+                .Instance()
+                .WithoutValidation()
+                .Calling(c => c.JsonWithSpecificSettingsAction(jsonSerializerSettings))
+                .ShouldReturn()
+                .Json(json => json
+                    .WithJsonSerializerSettings(s =>
+                        s.ContainingConverterOfType(typeof(CustomJsonConverter))));
+        }
+
+        [Fact]
+        public void ContainingConverterOfTypeShouldThrowExceptionWithIncorrectValueForGeneric()
         {
             var jsonSerializerSettings = TestObjectFactory.GetJsonSerializerSettings();
 
@@ -404,6 +421,26 @@ public void ContainingConverterOfTypeShouldThrowExceptionWithIncorrectValue()
                 "When calling JsonWithSpecificSettingsAction action in MvcController expected JSON result serializer settings to have converter of CustomJsonConverter type, but such was not found.");
         }
 
+        [Fact]
+        public void ContainingConverterOfTypeShouldThrowExceptionWithIncorrectValue()
+        {
+            var jsonSerializerSettings = TestObjectFactory.GetJsonSerializerSettings();
+
+            Test.AssertException<JsonResultAssertionException>(
+                () =>
+                {
+                    MyController<MvcController>
+                        .Instance()
+                        .WithoutValidation()
+                        .Calling(c => c.JsonWithSpecificSettingsAction(jsonSerializerSettings))
+                        .ShouldReturn()
+                        .Json(json => json
+                            .WithJsonSerializerSettings(s =>
+                                s.ContainingConverterOfType(typeof(CustomJsonConverter))));
+                },
+                "When calling JsonWithSpecificSettingsAction action in MvcController expected JSON result serializer settings to have converter of CustomJsonConverter type, but such was not found.");
+        }
+
         [Fact]
         public void ContainingConvertersShouldNotThrowExceptionWithCorrectValue()
         {