[Fixes #2700] Added HttpHeadAttribute

src/Microsoft.AspNet.Mvc.Core/HttpHeadAttribute.cs

@@ -0,0 +1,33 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System.Collections.Generic;
+using Microsoft.Framework.Internal;
+
+namespace Microsoft.AspNet.Mvc
+{
+    /// <summary>
+    /// Identifies an action that only supports the HTTP HEAD method.
+    /// </summary>
+    public class HttpHeadAttribute : HttpMethodAttribute
+    {
+        private static readonly IEnumerable<string> _supportedMethods = new string[] { "HEAD" };
+
+        /// <summary>
+        /// Creates a new <see cref="HttpHeadAttribute"/>.
+        /// </summary>
+        public HttpHeadAttribute()
+            : base(_supportedMethods)
+        {
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="HttpHeadAttribute"/> with the given route template.
+        /// </summary>
+        /// <param name="template">The route template. May not be null.</param>
+        public HttpHeadAttribute([NotNull] string template)
+            : base(_supportedMethods, template)
+        {
+        }
+    }
+}

test/Microsoft.AspNet.Mvc.Core.Test/ApplicationModel/DefaultApplicationModelProviderTest.cs

@@ -464,13 +464,13 @@ namespace Microsoft.AspNet.Mvc.ApplicationModels
 
             // Assert
             var action = Assert.Single(actions);
+            Assert.Contains("DELETE", action.HttpMethods);
+            Assert.Contains("HEAD", action.HttpMethods);
+
             Assert.Equal("Delete", action.ActionName);
-
-            var httpMethod = Assert.Single(action.HttpMethods);
-            Assert.Equal("DELETE", httpMethod);
             Assert.Null(action.AttributeRouteModel);
-
+            Assert.Single(action.Attributes.OfType<HttpDeleteAttribute>());
-            Assert.IsType<HttpDeleteAttribute>(Assert.Single(action.Attributes));
+            Assert.Single(action.Attributes.OfType<HttpHeadAttribute>());
         }
 
         [Fact]
@@ -488,6 +488,7 @@ namespace Microsoft.AspNet.Mvc.ApplicationModels
             var action = Assert.Single(actions);
             Assert.Contains("GET", action.HttpMethods);
             Assert.Contains("POST", action.HttpMethods);
+            Assert.Contains("HEAD", action.HttpMethods);
             Assert.Equal("Details", action.ActionName);
             Assert.Null(action.AttributeRouteModel);
         }
@@ -529,12 +530,12 @@ namespace Microsoft.AspNet.Mvc.ApplicationModels
             Assert.Equal("Edit", action.ActionName);
 
             var httpMethod = Assert.Single(action.HttpMethods);
-            Assert.Equal("POST", httpMethod);
+            Assert.Equal("HEAD", httpMethod);
 
             Assert.NotNull(action.AttributeRouteModel);
             Assert.Equal("Change", action.AttributeRouteModel.Template);
 
-            Assert.IsType<HttpPostAttribute>(Assert.Single(action.Attributes));
+            Assert.IsType<HttpHeadAttribute>(Assert.Single(action.Attributes));
         }
 
         [Fact]
@@ -1010,7 +1011,7 @@ namespace Microsoft.AspNet.Mvc.ApplicationModels
             [HttpPost("List")]
             public void Index() { }
 
-            [HttpPost("Change")]
+            [HttpHead("Change")]
             public void Edit() { }
 
             public void Remove() { }
@@ -1089,11 +1090,13 @@ namespace Microsoft.AspNet.Mvc.ApplicationModels
             [CustomHttpMethods("PUT", "PATCH")]
             public void Update() { }
 
+            [HttpHead]
             [HttpDelete]
             public void Delete() { }
 
             [HttpPost]
             [HttpGet]
+            [HttpHead]
             public void Details() { }
 
             [HttpGet]

test/Microsoft.AspNet.Mvc.Core.Test/DefaultActionSelectorTests.cs

@@ -530,6 +530,7 @@ namespace Microsoft.AspNet.Mvc
         [InlineData("POST")]
         [InlineData("DELETE")]
         [InlineData("PATCH")]
+        [InlineData("HEAD")]
         public async Task HttpMethodAttribute_ActionWithMultipleHttpMethodAttributes_ORsMultipleHttpMethods(string verb)
         {
             // Arrange
@@ -873,22 +874,6 @@ namespace Microsoft.AspNet.Mvc
             }
         }
 
-        private class HttpMethodAttributeTests_DefaultMethodValidationController
-        {
-            public void Index()
-            {
-            }
-
-            // Method with custom attribute.
-            [HttpGet]
-            public void Get()
-            { }
-
-            // InvalidMethod ( since its private)
-            private void Post()
-            { }
-        }
-
         private class ActionNameController
         {
             [ActionName("CustomActionName_Verb")]
@@ -914,6 +899,7 @@ namespace Microsoft.AspNet.Mvc
             [HttpPost]
             [HttpDelete]
             [HttpPatch]
+            [HttpHead]
             public void Put()
             {
             }
@@ -923,9 +909,5 @@ namespace Microsoft.AspNet.Mvc
             {
             }
         }
-
-        private class HttpMethodAttributeTests_DerivedController : HttpMethodAttributeTests_RestOnlyController
-        {
-        }
     }
 }

test/Microsoft.AspNet.Mvc.Core.Test/HttpMethodProviderAttributesTests.cs

@@ -28,6 +28,7 @@ namespace Microsoft.AspNet.Mvc
                 data.Add(new HttpPutAttribute(), new[] { "PUT" });
                 data.Add(new HttpPatchAttribute(), new[] { "PATCH" });
                 data.Add(new HttpDeleteAttribute(), new[] { "DELETE" });
+                data.Add(new HttpHeadAttribute(), new[] { "HEAD" });
                 data.Add(new AcceptVerbsAttribute("MERGE", "OPTIONS"), new[] { "MERGE", "OPTIONS" });
 
                 return data;

test/Microsoft.AspNet.Mvc.Core.Test/RouteTemplateProviderAttributesTest.cs

@@ -26,6 +26,7 @@ namespace Microsoft.AspNet.Mvc
                 data.Add(new HttpPutAttribute());
                 data.Add(new HttpPatchAttribute());
                 data.Add(new HttpDeleteAttribute());
+                data.Add(new HttpHeadAttribute());
                 data.Add(new RouteAttribute(""));
 
                 return data;