Fix handling of primitive types in RuntimeValidatableParameterInfoResolver

src/Http/Http.Abstractions/src/Validation/RuntimeValidatableParameterInfoResolver.cs

@@ -14,7 +14,8 @@ namespace Microsoft.AspNetCore.Http.Validation;
 
 internal sealed class RuntimeValidatableParameterInfoResolver : IValidatableInfoResolver
 {
-    // TODO: the implementation currently relies on static discovery of types.
+    // TODO: The implementation currently relies on static discovery of types.
+    // See https://github.com/dotnet/aspnetcore/issues/61220
     public bool TryGetValidatableTypeInfo(Type type, [NotNullWhen(true)] out IValidatableInfo? validatableInfo)
     {
         validatableInfo = null;
@@ -76,17 +77,7 @@ private static bool IsClass(Type type)
     {
         // Skip primitives, enums, common built-in types, and types that are specially
         // handled by RDF/RDG that don't need validation if they don't have attributes
-        if (type.IsPrimitive ||
-            type.IsEnum ||
-            type == typeof(string) ||
-            type == typeof(decimal) ||
-            type == typeof(DateTime) ||
-            type == typeof(DateTimeOffset) ||
-            type == typeof(TimeOnly) ||
-            type == typeof(DateOnly) ||
-            type == typeof(TimeSpan) ||
-            type == typeof(Guid) ||
-            type == typeof(IFormFile) ||
+        if (type == typeof(IFormFile) ||
             type == typeof(IFormFileCollection) ||
             type == typeof(IFormCollection) ||
             type == typeof(HttpContext) ||

src/Http/Http.Abstractions/test/Validation/RuntimeValidatableParameterInfoResolverTests.cs

@@ -33,19 +33,8 @@ public void TryGetValidatableParameterInfo_WithNullName_ThrowsInvalidOperationEx
     }
 
     [Theory]
-    [InlineData(typeof(string))]
-    [InlineData(typeof(int))]
-    [InlineData(typeof(bool))]
-    [InlineData(typeof(DateTime))]
-    [InlineData(typeof(Guid))]
-    [InlineData(typeof(decimal))]
-    [InlineData(typeof(DayOfWeek))] // Enum
     [InlineData(typeof(ClaimsPrincipal))]
     [InlineData(typeof(PipeReader))]
-    [InlineData(typeof(DateTimeOffset))]
-    [InlineData(typeof(TimeOnly))]
-    [InlineData(typeof(DateOnly))]
-    [InlineData(typeof(TimeSpan))]
     [InlineData(typeof(IFormFile))]
     [InlineData(typeof(IFormFileCollection))]
     [InlineData(typeof(IFormCollection))]

src/Http/Http.Extensions/test/ValidationsGenerator/ValidationsGenerator.Parameters.cs

@@ -40,6 +40,7 @@ public async Task CanValidateParameters()
     [CustomValidation, Range(10, 100)] int value5 = 10,
     // Skipped from validation because it is marked as a [FromService] parameter
     [FromServices] [Range(10, 100)] int? value6 = 4,
+    [MinLength(7)] string? value7 = "LongEnough",
     Dictionary<string, TestService>? testDict = null) => "OK");
 
 app.Run();
@@ -59,7 +60,7 @@ public class TestService
         await VerifyEndpoint(compilation, "/params", async (endpoint, serviceProvider) =>
         {
             var context = CreateHttpContext(serviceProvider);
-            context.Request.QueryString = new QueryString("?value1=5&value2=5&value3=&value4=3&value5=5");
+            context.Request.QueryString = new QueryString("?value1=5&value2=5&value3=&value4=3&value5=5&value7=Short");
             await endpoint.RequestDelegate(context);
             var problemDetails = await AssertBadRequest(context);
             Assert.Collection(problemDetails.Errors,
@@ -94,6 +95,11 @@ await VerifyEndpoint(compilation, "/params", async (endpoint, serviceProvider) =
                     {
                         Assert.Equal("The field value5 must be between 10 and 100.", error);
                     });
+                },
+                error =>
+                {
+                    Assert.Equal("value7", error.Key);
+                    Assert.Equal("The field value7 must be a string or array type with a minimum length of '7'.", error.Value.Single());
                 });
         });
     }