[Fixes #2545] RedirectToRouteResult doesn't use RouteName property when calculating destination URL

src/Microsoft.AspNet.Mvc.Core/ActionResults/RedirectToRouteResult.cs

@@ -45,7 +45,7 @@ namespace Microsoft.AspNet.Mvc
         {
             var urlHelper = GetUrlHelper(context);
 
-            var destinationUrl = urlHelper.RouteUrl(RouteValues);
+            var destinationUrl = urlHelper.RouteUrl(RouteName, RouteValues);
             if (string.IsNullOrEmpty(destinationUrl))
             {
                 throw new InvalidOperationException(Resources.NoRoutesMatched);

test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/RedirectToRouteResultTest.cs

@@ -3,7 +3,9 @@
 
 using System;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Internal;
 using Microsoft.AspNet.Routing;
 using Microsoft.AspNet.Testing;
 using Moq;
@@ -97,6 +99,37 @@ namespace Microsoft.AspNet.Mvc.Core
             tempData.Verify(t => t.Keep(), Times.Once());
         }
 
+        [Fact]
+        public async Task ExecuteResultAsync_UsesRouteName_ToGenerateLocationHeader()
+        {
+            // Arrange
+            var routeName = "orders_api";
+            var locationUrl = "/api/orders/10";
+            var urlHelper = new Mock<IUrlHelper>();
+            urlHelper.Setup(uh => uh.RouteUrl(It.IsAny<UrlRouteContext>()))
+                .Returns(locationUrl)
+                .Verifiable();
+
+            var serviceProvider = new Mock<IServiceProvider>();
+            serviceProvider.Setup(sp => sp.GetService(typeof(IUrlHelper)))
+                .Returns(urlHelper.Object);
+            serviceProvider.Setup(sp => sp.GetService(typeof(ITempDataDictionary)))
+                .Returns(new Mock<ITempDataDictionary>().Object);
+            var httpContext = new DefaultHttpContext();
+            httpContext.RequestServices = serviceProvider.Object;
+            var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
+            var result = new RedirectToRouteResult(routeName, new { id = 10 });
+
+            // Act
+            await result.ExecuteResultAsync(actionContext);
+
+            // Assert
+            urlHelper.Verify(uh => uh.RouteUrl(
+                It.Is<UrlRouteContext>(routeContext => string.Equals(routeName, routeContext.RouteName))));
+            Assert.True(httpContext.Response.Headers.ContainsKey("Location"), "Location header not found");
+            Assert.Equal(locationUrl, httpContext.Response.Headers["Location"]);
+        }
+
         public static IEnumerable<object[]> RedirectToRouteData
         {
             get

test/Microsoft.AspNet.Mvc.FunctionalTests/LinkGenerationTests.cs

@@ -26,9 +26,12 @@ namespace Microsoft.AspNet.Mvc.FunctionalTests
         private readonly Assembly _resourcesAssembly = typeof(LinkGenerationTests).GetTypeInfo().Assembly;
 
         [Theory]
-        [InlineData("http://pingüino/Home/RedirectToActionReturningTaskAction")]
-        [InlineData("http://pingüino/Home/RedirectToRouteActionAsMethodAction")]
-        public async Task GeneratedLinksWithActionResults_AreRelativeLinks_WhenSetOnLocationHeader(string url)
+        [InlineData("http://pingüino/Home/RedirectToActionReturningTaskAction", "/Home/ActionReturningTask")]
+        [InlineData("http://pingüino/Home/RedirectToRouteActionAsMethodAction", "/Home/ActionReturningTask")]
+        [InlineData("http://pingüino/Home/RedirectToRouteUsingRouteName", "/api/orders/10")]
+        public async Task GeneratedLinksWithActionResults_AreRelativeLinks_WhenSetOnLocationHeader(
+            string url,
+            string expected)
         {
             // Arrange
             var server = TestHelper.CreateServer(_app, SiteName, _configureServices);
@@ -43,7 +46,7 @@ namespace Microsoft.AspNet.Mvc.FunctionalTests
             // Assert
             Assert.Equal(HttpStatusCode.Redirect, response.StatusCode);
 
-            Assert.Equal("/Home/ActionReturningTask", response.Headers.Location.ToString());
+            Assert.Equal(expected, response.Headers.Location.ToString());
         }
 
         [Fact]

test/Microsoft.AspNet.Mvc.FunctionalTests/WebApiCompatShimActionResultTest.cs

@@ -327,19 +327,23 @@ namespace Microsoft.AspNet.Mvc.FunctionalTests
             Assert.Equal("http://localhost/api/Users", response.Headers.Location.OriginalString);
         }
 
-        [Fact]
-        public async Task ApiController_RedirectUri()
+        [Theory]
+        [InlineData("http://localhost/api/Blog/ActionResult/GetRedirectUri", "api/Blog")]
+        [InlineData(
+            "http://localhost/api/Blog/ActionResult/GetRedirectUrlUsingRouteName",
+            "/api/Blog/BasicApi/WriteToHttpContext")]
+        public async Task ApiController_RedirectUri(string url, string expected)
         {
             // Arrange
             var server = TestHelper.CreateServer(_app, SiteName, _configureServices);
             var client = server.CreateClient();
 
             // Act
-            var response = await client.GetAsync("http://localhost/api/Blog/ActionResult/GetRedirectUri");
+            var response = await client.GetAsync(url);
 
             // Assert
             Assert.Equal(HttpStatusCode.Redirect, response.StatusCode);
-            Assert.Equal("api/Blog", response.Headers.Location.OriginalString);
+            Assert.Equal(expected, response.Headers.Location.OriginalString);
         }
 
         [Fact]

test/WebSites/BasicWebSite/Controllers/HomeController.cs

@@ -37,6 +37,11 @@ namespace BasicWebSite.Controllers
             return RedirectToRoute("ActionAsMethod", new { action = "ActionReturningTask", controller = "Home" });
         }
 
+        public IActionResult RedirectToRouteUsingRouteName()
+        {
+            return RedirectToRoute("OrdersApi", new { id = 10 });
+        }
+
         public IActionResult NoContentResult()
         {
             return new HttpStatusCodeResult(StatusCodes.Status204NoContent);

test/WebSites/WebApiCompatShimWebSite/Controllers/ActionResults/ActionResultController.cs

@@ -120,6 +120,11 @@ namespace WebApiCompatShimWebSite
             return Redirect(new Uri("api/Blog", UriKind.RelativeOrAbsolute));
         }
 
+        public IActionResult GetRedirectUrlUsingRouteName()
+        {
+            return RedirectToRoute("named-action", new { controller = "BasicApi", action = "WriteToHttpContext" });
+        }
+
         public IActionResult GetResponseMessage()
         {
             var response = new HttpResponseMessage(HttpStatusCode.OK);