From fc78c0e51cf67f8072c244964d4a5e610564f021 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 21 Oct 2025 16:04:59 +0100
Subject: [PATCH 01/15] fix route attribute logic

---
 .../Implementation/HttpInListener.cs          | 10 +--
 .../Implementation/RouteAttributeHelper.cs    | 80 +++++++++++++++++++
 2 files changed, 85 insertions(+), 5 deletions(-)
 create mode 100644 src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs
index 5ac36618e3..165159862e 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInListener.cs
@@ -244,12 +244,12 @@ public void OnStopActivity(Activity activity, object? payload)
             var response = context.Response;
 
 #if !NETSTANDARD
-            var routePattern = (context.Features.Get<IExceptionHandlerPathFeature>()?.Endpoint as RouteEndpoint ??
-                    context.GetEndpoint() as RouteEndpoint)?.RoutePattern.RawText;
-            if (!string.IsNullOrEmpty(routePattern))
+            var endpoint = context.Features.Get<IExceptionHandlerPathFeature>()?.Endpoint as RouteEndpoint
+                ?? context.GetEndpoint() as RouteEndpoint;
+
+            if (endpoint != null)
             {
-                TelemetryHelper.RequestDataHelper.SetActivityDisplayName(activity, context.Request.Method, routePattern);
-                activity.SetTag(SemanticConventions.AttributeHttpRoute, routePattern);
+                activity.SetRouteAttributeTag(endpoint, context.Request);
             }
 #endif
 
diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
new file mode 100644
index 0000000000..49a468ad5a
--- /dev/null
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
@@ -0,0 +1,80 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#if !NETSTANDARD
+
+using System.Diagnostics;
+using System.Text;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.AspNetCore.Routing.Patterns;
+using OpenTelemetry.Trace;
+
+namespace OpenTelemetry.Instrumentation.AspNetCore.Implementation;
+
+internal static class RouteAttributeHelper
+{
+    public static void SetRouteAttributeTag(this Activity activity, RouteEndpoint endpoint, HttpRequest request)
+    {
+        var routePattern = GetRoutePattern(endpoint.RoutePattern, request.RouteValues);
+
+        if (!string.IsNullOrEmpty(routePattern))
+        {
+            TelemetryHelper.RequestDataHelper.SetActivityDisplayName(activity, request.Method, routePattern);
+            activity.SetTag(SemanticConventions.AttributeHttpRoute, routePattern);
+        }
+    }
+
+    private static string GetRoutePattern(RoutePattern routePattern, RouteValueDictionary routeValues)
+    {
+        var sb = new StringBuilder();
+
+        for (var i = 0; i < routePattern.PathSegments.Count; i++)
+        {
+            var segment = routePattern.PathSegments[i];
+
+            foreach (var part in segment.Parts)
+            {
+                if (part is RoutePatternLiteralPart literalPart)
+                {
+                    sb.Append(literalPart.Content);
+                }
+                else if (part is RoutePatternParameterPart parameterPart)
+                {
+                    switch (parameterPart.Name)
+                    {
+                        case "area":
+                        case "controller":
+                        case "action":
+                            routePattern.RequiredValues.TryGetValue(parameterPart.Name, out var parameterValue);
+                            if (parameterValue != null)
+                            {
+                                sb.Append(parameterValue);
+                                break;
+                            }
+
+                            goto default;
+                        default:
+                            if (routeValues.ContainsKey(parameterPart.Name))
+                            {
+                                sb.Append('{');
+                                sb.Append(parameterPart.Name);
+                                sb.Append('}');
+                            }
+
+                            break;
+                    }
+                }
+            }
+
+            if (i < routePattern.PathSegments.Count - 1)
+            {
+                sb.Append('/');
+            }
+        }
+
+        return sb.ToString();
+    }
+}
+
+#endif

From d3ab87ac7618c480c474bef2d1fc91b35ef0ec3a Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Thu, 23 Oct 2025 11:40:21 +0100
Subject: [PATCH 02/15] update

---
 .../Implementation/HttpInMetricsListener.cs   |  9 +++---
 .../Implementation/RouteAttributeHelper.cs    | 28 ++++++++++++-------
 .../RouteTests/RoutingTestCases.json          | 14 +++++-----
 .../RouteTests/RoutingTests.cs                |  2 +-
 4 files changed, 31 insertions(+), 22 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs
index 551421403a..e5dedd8991 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs
@@ -94,11 +94,12 @@ public static void OnStopEventWritten(string name, object? payload)
 
 #if NET
         // Check the exception handler feature first in case the endpoint was overwritten
-        var route = (context.Features.Get<IExceptionHandlerPathFeature>()?.Endpoint as RouteEndpoint ??
-                     context.GetEndpoint() as RouteEndpoint)?.RoutePattern.RawText;
-        if (!string.IsNullOrEmpty(route))
+        var endpoint = context.Features.Get<IExceptionHandlerPathFeature>()?.Endpoint as RouteEndpoint
+            ?? context.GetEndpoint() as RouteEndpoint;
+
+        if (endpoint != null)
         {
-            tags.Add(new KeyValuePair<string, object?>(SemanticConventions.AttributeHttpRoute, route));
+            tags.AddRouteAttribute(endpoint, context.Request);
         }
 #endif
         if (context.Items.TryGetValue(ErrorTypeHttpContextItemsKey, out var errorType))
diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
index 49a468ad5a..d81fd74900 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
@@ -14,6 +14,16 @@ namespace OpenTelemetry.Instrumentation.AspNetCore.Implementation;
 
 internal static class RouteAttributeHelper
 {
+    public static void AddRouteAttribute(this TagList tags, RouteEndpoint endpoint, HttpRequest request)
+    {
+        var routePattern = GetRoutePattern(endpoint.RoutePattern, request.RouteValues);
+
+        if (!string.IsNullOrEmpty(routePattern))
+        {
+            tags.Add(new KeyValuePair<string, object?>(SemanticConventions.AttributeHttpRoute, routePattern));
+        }
+    }
+
     public static void SetRouteAttributeTag(this Activity activity, RouteEndpoint endpoint, HttpRequest request)
     {
         var routePattern = GetRoutePattern(endpoint.RoutePattern, request.RouteValues);
@@ -29,15 +39,14 @@ private static string GetRoutePattern(RoutePattern routePattern, RouteValueDicti
     {
         var sb = new StringBuilder();
 
-        for (var i = 0; i < routePattern.PathSegments.Count; i++)
+        foreach (var segment in routePattern.PathSegments)
         {
-            var segment = routePattern.PathSegments[i];
-
             foreach (var part in segment.Parts)
             {
                 if (part is RoutePatternLiteralPart literalPart)
                 {
                     sb.Append(literalPart.Content);
+                    sb.Append('/');
                 }
                 else if (part is RoutePatternParameterPart parameterPart)
                 {
@@ -50,30 +59,29 @@ private static string GetRoutePattern(RoutePattern routePattern, RouteValueDicti
                             if (parameterValue != null)
                             {
                                 sb.Append(parameterValue);
+                                sb.Append('/');
                                 break;
                             }
 
                             goto default;
                         default:
-                            if (routeValues.ContainsKey(parameterPart.Name))
+                            if (!parameterPart.IsOptional ||
+                                (parameterPart.IsOptional && routeValues.ContainsKey(parameterPart.Name)))
                             {
                                 sb.Append('{');
                                 sb.Append(parameterPart.Name);
                                 sb.Append('}');
+                                sb.Append('/');
                             }
 
                             break;
                     }
                 }
             }
-
-            if (i < routePattern.PathSegments.Count - 1)
-            {
-                sb.Append('/');
-            }
         }
 
-        return sb.ToString();
+        // Remove the trailing '/'
+        return sb.ToString(0, sb.Length - 1);
     }
 }
 
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
index d524b58afc..12fa81f497 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
@@ -6,7 +6,7 @@
     "path": "/",
     "expectedStatusCode": 200,
     "currentHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-    "expectedHttpRoute": "ConventionalRoute/Default/{id?}"
+    "expectedHttpRoute": "ConventionalRoute/Default"
   },
   {
     "name": "Non-default action with route parameter and query string",
@@ -15,7 +15,7 @@
     "path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
     "expectedStatusCode": 200,
     "currentHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-    "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}"
+    "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}"
   },
   {
     "name": "Non-default action with query string",
@@ -24,7 +24,7 @@
     "path": "/ConventionalRoute/ActionWithStringParameter?num=3",
     "expectedStatusCode": 200,
     "currentHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-    "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}"
+    "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter"
   },
   {
     "name": "Not Found (404)",
@@ -42,7 +42,7 @@
     "path": "/SomePath/SomeString/2",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
-    "expectedHttpRoute": "SomePath/{id}/{num:int}"
+    "expectedHttpRoute": "SomePath/{id}/{num}"
   },
   {
     "name": "Path that does not match parameter constraint",
@@ -60,7 +60,7 @@
     "path": "/MyArea",
     "expectedStatusCode": 200,
     "currentHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-    "expectedHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}"
+    "expectedHttpRoute": "MyArea/ControllerForMyArea/Default"
   },
   {
     "name": "Area using `area:exists`, non-default action",
@@ -69,7 +69,7 @@
     "path": "/MyArea/ControllerForMyArea/NonDefault",
     "expectedStatusCode": 200,
     "currentHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-    "expectedHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}"
+    "expectedHttpRoute": "MyArea/ControllerForMyArea/NonDefault"
   },
   {
     "name": "Area w/o `area:exists`, default controller/action",
@@ -78,7 +78,7 @@
     "path": "/SomePrefix",
     "expectedStatusCode": 200,
     "currentHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-    "expectedHttpRoute": "SomePrefix/AnotherArea/Index/{id?}"
+    "expectedHttpRoute": "SomePrefix/AnotherArea/Index/{id}"
   },
   {
     "name": "Default action",
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
index fe7d3d3201..f489acd957 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
@@ -52,7 +52,7 @@ public async Task TestHttpRoute_Traces(TestCase testCase)
 
         // TODO: The CurrentHttpRoute property will go away. They only serve to capture status quo.
         // If CurrentHttpRoute is null, then that means we already conform to the correct behavior.
-        var expectedHttpRoute = testCase.CurrentHttpRoute ?? testCase.ExpectedHttpRoute;
+        var expectedHttpRoute = testCase.ExpectedHttpRoute ?? testCase.CurrentHttpRoute;
         Assert.Equal(expectedHttpRoute, activityHttpRoute);
 
         // Activity.DisplayName should be a combination of http.method + http.route attributes, see:

From 103f520eea4dbee895da40d4432f1a1d544ec576 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 4 Nov 2025 13:29:33 +0000
Subject: [PATCH 03/15] fix traces and update routes

---
 .../Implementation/RouteAttributeHelper.cs     | 12 ++++++++++++
 .../RouteTests/RoutingTestCases.json           | 18 +++++++++---------
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
index d81fd74900..297093f05e 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
@@ -37,6 +37,18 @@ public static void SetRouteAttributeTag(this Activity activity, RouteEndpoint en
 
     private static string GetRoutePattern(RoutePattern routePattern, RouteValueDictionary routeValues)
     {
+        if (routePattern.PathSegments.Count == 0)
+        {
+            // RazorPage default route
+            if (routePattern.Defaults.ContainsKey("page"))
+            {
+                return routePattern.Defaults["page"]?.ToString()?.Trim('/')
+                    ?? string.Empty;
+            }
+
+            return string.Empty;
+        }
+
         var sb = new StringBuilder();
 
         foreach (var segment in routePattern.PathSegments)
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
index 12fa81f497..cb42a08f34 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
@@ -78,7 +78,7 @@
     "path": "/SomePrefix",
     "expectedStatusCode": 200,
     "currentHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-    "expectedHttpRoute": "SomePrefix/AnotherArea/Index/{id}"
+    "expectedHttpRoute": "SomePrefix/AnotherArea/Index"
   },
   {
     "name": "Default action",
@@ -133,7 +133,7 @@
     "path": "/",
     "expectedStatusCode": 200,
     "currentHttpRoute": "",
-    "expectedHttpRoute": "/Index"
+    "expectedHttpRoute": "Index"
   },
   {
     "name": "Index page",
@@ -142,7 +142,7 @@
     "path": "/Index",
     "expectedStatusCode": 200,
     "currentHttpRoute": "Index",
-    "expectedHttpRoute": "/Index"
+    "expectedHttpRoute": "Index"
   },
   {
     "name": "Throws exception",
@@ -151,7 +151,7 @@
     "path": "/PageThatThrowsException",
     "expectedStatusCode": 500,
     "currentHttpRoute": "PageThatThrowsException",
-    "expectedHttpRoute": "/PageThatThrowsException"
+    "expectedHttpRoute": "PageThatThrowsException"
   },
   {
     "name": "Static content",
@@ -169,7 +169,7 @@
     "path": "/MinimalApi",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
-    "expectedHttpRoute": "/MinimalApi"
+    "expectedHttpRoute": "MinimalApi"
   },
   {
     "name": "Action with parameter",
@@ -178,7 +178,7 @@
     "path": "/MinimalApi/123",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
-    "expectedHttpRoute": "/MinimalApi/{id}"
+    "expectedHttpRoute": "MinimalApi/{id}"
   },
   {
     "name": "Action without parameter (MapGroup)",
@@ -188,7 +188,7 @@
     "path": "/MinimalApiUsingMapGroup",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
-    "expectedHttpRoute": "/MinimalApiUsingMapGroup/"
+    "expectedHttpRoute": "MinimalApiUsingMapGroup"
   },
   {
     "name": "Action with parameter (MapGroup)",
@@ -198,7 +198,7 @@
     "path": "/MinimalApiUsingMapGroup/123",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
-    "expectedHttpRoute": "/MinimalApiUsingMapGroup/{id}"
+    "expectedHttpRoute": "MinimalApiUsingMapGroup/{id}"
   },
   {
     "name": "Exception Handled by Exception Handler Middleware",
@@ -207,6 +207,6 @@
     "path": "/Exception",
     "expectedStatusCode": 500,
     "currentHttpRoute": null,
-    "expectedHttpRoute": "/Exception"
+    "expectedHttpRoute": "Exception"
   }
 ]

From cee12f918158e920670cfede72c3376f52003249 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 4 Nov 2025 13:50:48 +0000
Subject: [PATCH 04/15] revert routingtests and update cases

---
 .../RouteTests/RoutingTestCases.json             | 16 ++++++++--------
 .../RouteTests/RoutingTests.cs                   |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
index cb42a08f34..f25d263a79 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
@@ -5,7 +5,7 @@
     "httpMethod": "GET",
     "path": "/",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "ConventionalRoute/Default"
   },
   {
@@ -14,7 +14,7 @@
     "httpMethod": "GET",
     "path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}"
   },
   {
@@ -23,7 +23,7 @@
     "httpMethod": "GET",
     "path": "/ConventionalRoute/ActionWithStringParameter?num=3",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter"
   },
   {
@@ -59,7 +59,7 @@
     "httpMethod": "GET",
     "path": "/MyArea",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "MyArea/ControllerForMyArea/Default"
   },
   {
@@ -68,7 +68,7 @@
     "httpMethod": "GET",
     "path": "/MyArea/ControllerForMyArea/NonDefault",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "MyArea/ControllerForMyArea/NonDefault"
   },
   {
@@ -77,7 +77,7 @@
     "httpMethod": "GET",
     "path": "/SomePrefix",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "SomePrefix/AnotherArea/Index"
   },
   {
@@ -132,7 +132,7 @@
     "httpMethod": "GET",
     "path": "/",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "Index"
   },
   {
@@ -141,7 +141,7 @@
     "httpMethod": "GET",
     "path": "/Index",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "Index",
+    "currentHttpRoute": null,
     "expectedHttpRoute": "Index"
   },
   {
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
index f489acd957..fe7d3d3201 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
@@ -52,7 +52,7 @@ public async Task TestHttpRoute_Traces(TestCase testCase)
 
         // TODO: The CurrentHttpRoute property will go away. They only serve to capture status quo.
         // If CurrentHttpRoute is null, then that means we already conform to the correct behavior.
-        var expectedHttpRoute = testCase.ExpectedHttpRoute ?? testCase.CurrentHttpRoute;
+        var expectedHttpRoute = testCase.CurrentHttpRoute ?? testCase.ExpectedHttpRoute;
         Assert.Equal(expectedHttpRoute, activityHttpRoute);
 
         // Activity.DisplayName should be a combination of http.method + http.route attributes, see:

From edc8a72d95e5d477ae744158500ab68080acb455 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 4 Nov 2025 16:07:22 +0000
Subject: [PATCH 05/15] update metric tests

---
 .../RouteTests/README.net8.0.md               | 192 +++++++++++-------
 .../RouteTests/README.net9.0.md               | 192 +++++++++++-------
 .../RouteTests/RoutingTestCases.json          |  25 ++-
 .../RouteTests/RoutingTestFixture.cs          |   2 +-
 .../RouteTests/RoutingTestResult.cs           |   2 +
 .../RouteTests/RoutingTests.cs                |  15 +-
 .../RouteTests/TestCase.cs                    |   2 +-
 7 files changed, 275 insertions(+), 155 deletions(-)

diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md
index 2e30e5ae06..d0ebef0fc7 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md
@@ -6,23 +6,23 @@
 
 | http.route | App | Test Name |
 | - | - | - |
-| :broken_heart: | ConventionalRouting | [Root path](#activity__conventionalrouting-root-path) |
-| :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#activity__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
-| :broken_heart: | ConventionalRouting | [Non-default action with query string](#activity__conventionalrouting-non-default-action-with-query-string) |
+| :green_heart: | ConventionalRouting | [Root path](#activity__conventionalrouting-root-path) |
+| :green_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#activity__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
+| :green_heart: | ConventionalRouting | [Non-default action with query string](#activity__conventionalrouting-non-default-action-with-query-string) |
 | :green_heart: | ConventionalRouting | [Not Found (404)](#activity__conventionalrouting-not-found-404) |
 | :green_heart: | ConventionalRouting | [Route template with parameter constraint](#activity__conventionalrouting-route-template-with-parameter-constraint) |
 | :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#activity__conventionalrouting-path-that-does-not-match-parameter-constraint) |
-| :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#activity__conventionalrouting-area-using-areaexists-default-controlleraction) |
-| :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#activity__conventionalrouting-area-using-areaexists-non-default-action) |
-| :broken_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#activity__conventionalrouting-area-wo-areaexists-default-controlleraction) |
+| :green_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#activity__conventionalrouting-area-using-areaexists-default-controlleraction) |
+| :green_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#activity__conventionalrouting-area-using-areaexists-non-default-action) |
+| :green_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#activity__conventionalrouting-area-wo-areaexists-default-controlleraction) |
 | :green_heart: | AttributeRouting | [Default action](#activity__attributerouting-default-action) |
 | :green_heart: | AttributeRouting | [Action without parameter](#activity__attributerouting-action-without-parameter) |
 | :green_heart: | AttributeRouting | [Action with parameter](#activity__attributerouting-action-with-parameter) |
 | :green_heart: | AttributeRouting | [Action with parameter before action name in template](#activity__attributerouting-action-with-parameter-before-action-name-in-template) |
 | :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#activity__attributerouting-action-invoked-resulting-in-400-bad-request) |
-| :broken_heart: | RazorPages | [Root path](#activity__razorpages-root-path) |
-| :broken_heart: | RazorPages | [Index page](#activity__razorpages-index-page) |
-| :broken_heart: | RazorPages | [Throws exception](#activity__razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Root path](#activity__razorpages-root-path) |
+| :green_heart: | RazorPages | [Index page](#activity__razorpages-index-page) |
+| :green_heart: | RazorPages | [Throws exception](#activity__razorpages-throws-exception) |
 | :green_heart: | RazorPages | [Static content](#activity__razorpages-static-content) |
 | :green_heart: | MinimalApi | [Action without parameter](#activity__minimalapi-action-without-parameter) |
 | :green_heart: | MinimalApi | [Action with parameter](#activity__minimalapi-action-with-parameter) |
@@ -38,7 +38,7 @@
 | :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#metrics__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
 | :broken_heart: | ConventionalRouting | [Non-default action with query string](#metrics__conventionalrouting-non-default-action-with-query-string) |
 | :green_heart: | ConventionalRouting | [Not Found (404)](#metrics__conventionalrouting-not-found-404) |
-| :green_heart: | ConventionalRouting | [Route template with parameter constraint](#metrics__conventionalrouting-route-template-with-parameter-constraint) |
+| :broken_heart: | ConventionalRouting | [Route template with parameter constraint](#metrics__conventionalrouting-route-template-with-parameter-constraint) |
 | :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#metrics__conventionalrouting-path-that-does-not-match-parameter-constraint) |
 | :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#metrics__conventionalrouting-area-using-areaexists-default-controlleraction) |
 | :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#metrics__conventionalrouting-area-using-areaexists-non-default-action) |
@@ -49,14 +49,14 @@
 | :green_heart: | AttributeRouting | [Action with parameter before action name in template](#metrics__attributerouting-action-with-parameter-before-action-name-in-template) |
 | :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#metrics__attributerouting-action-invoked-resulting-in-400-bad-request) |
 | :broken_heart: | RazorPages | [Root path](#metrics__razorpages-root-path) |
-| :broken_heart: | RazorPages | [Index page](#metrics__razorpages-index-page) |
-| :broken_heart: | RazorPages | [Throws exception](#metrics__razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Index page](#metrics__razorpages-index-page) |
+| :green_heart: | RazorPages | [Throws exception](#metrics__razorpages-throws-exception) |
 | :green_heart: | RazorPages | [Static content](#metrics__razorpages-static-content) |
-| :green_heart: | MinimalApi | [Action without parameter](#metrics__minimalapi-action-without-parameter) |
-| :green_heart: | MinimalApi | [Action with parameter](#metrics__minimalapi-action-with-parameter) |
-| :green_heart: | MinimalApi | [Action without parameter (MapGroup)](#metrics__minimalapi-action-without-parameter-mapgroup) |
-| :green_heart: | MinimalApi | [Action with parameter (MapGroup)](#metrics__minimalapi-action-with-parameter-mapgroup) |
-| :green_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#metrics__exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
+| :broken_heart: | MinimalApi | [Action without parameter](#metrics__minimalapi-action-without-parameter) |
+| :broken_heart: | MinimalApi | [Action with parameter](#metrics__minimalapi-action-with-parameter) |
+| :broken_heart: | MinimalApi | [Action without parameter (MapGroup)](#metrics__minimalapi-action-without-parameter-mapgroup) |
+| :broken_heart: | MinimalApi | [Action with parameter (MapGroup)](#metrics__minimalapi-action-with-parameter-mapgroup) |
+| :broken_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#metrics__exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
 
 ## Tracing tests details
 
@@ -65,9 +65,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/Default",
+  "ActivityHttpRoute": "ConventionalRoute/Default",
+  "IdealHttpRoute": "ConventionalRoute/Default",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -94,9 +95,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter/{id}",
+  "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -127,9 +129,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter",
+  "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -162,6 +165,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -177,9 +181,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET SomePath/{id}/{num:int}",
-  "ActivityHttpRoute": "SomePath/{id}/{num:int}",
-  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "ActivityDisplayName": "GET SomePath/{id}/{num}",
+  "ActivityHttpRoute": "SomePath/{id}/{num}",
+  "IdealHttpRoute": "SomePath/{id}/{num}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -214,6 +219,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -229,9 +235,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "ActivityDisplayName": "GET MyArea/ControllerForMyArea/Default",
+  "ActivityHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -259,9 +266,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "ActivityDisplayName": "GET MyArea/ControllerForMyArea/NonDefault",
+  "ActivityHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -289,9 +297,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "ActivityHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "ActivityDisplayName": "GET SomePrefix/AnotherArea/Index",
+  "ActivityHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -322,6 +331,7 @@
   "ActivityDisplayName": "GET AttributeRoute",
   "ActivityHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -351,6 +361,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get",
   "ActivityHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -380,6 +391,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get/{id}",
   "ActivityHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -412,6 +424,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -444,6 +457,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -473,9 +487,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET",
-  "ActivityHttpRoute": "",
-  "IdealHttpRoute": "/Index",
+  "ActivityDisplayName": "GET Index",
+  "ActivityHttpRoute": "Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -503,7 +518,8 @@
 {
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -531,7 +547,8 @@
 {
   "ActivityDisplayName": "GET PageThatThrowsException",
   "ActivityHttpRoute": "PageThatThrowsException",
-  "IdealHttpRoute": "/PageThatThrowsException",
+  "IdealHttpRoute": "PageThatThrowsException",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -560,6 +577,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -575,9 +593,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApi",
-  "ActivityHttpRoute": "/MinimalApi",
-  "IdealHttpRoute": "/MinimalApi",
+  "ActivityDisplayName": "GET MinimalApi",
+  "ActivityHttpRoute": "MinimalApi",
+  "IdealHttpRoute": "MinimalApi",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -593,9 +612,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApi/{id}",
-  "ActivityHttpRoute": "/MinimalApi/{id}",
-  "IdealHttpRoute": "/MinimalApi/{id}",
+  "ActivityDisplayName": "GET MinimalApi/{id}",
+  "ActivityHttpRoute": "MinimalApi/{id}",
+  "IdealHttpRoute": "MinimalApi/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -613,9 +633,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/",
-  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "ActivityDisplayName": "GET MinimalApiUsingMapGroup",
+  "ActivityHttpRoute": "MinimalApiUsingMapGroup",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -631,9 +652,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/{id}",
-  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/{id}",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "ActivityDisplayName": "GET MinimalApiUsingMapGroup/{id}",
+  "ActivityHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -651,9 +673,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /Exception",
-  "ActivityHttpRoute": "/Exception",
-  "IdealHttpRoute": "/Exception",
+  "ActivityDisplayName": "GET Exception",
+  "ActivityHttpRoute": "Exception",
+  "IdealHttpRoute": "Exception",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
@@ -673,7 +696,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/Default",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -701,7 +725,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -733,7 +758,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -765,6 +791,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -781,7 +808,8 @@
 ```json
 {
   "MetricHttpRoute": "SomePath/{id}/{num:int}",
-  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "IdealHttpRoute": "SomePath/{id}/{num}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -815,6 +843,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -831,7 +860,8 @@
 ```json
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -860,7 +890,8 @@
 ```json
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -889,7 +920,8 @@
 ```json
 {
   "MetricHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -919,6 +951,7 @@
 {
   "MetricHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -947,6 +980,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -975,6 +1009,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -1006,6 +1041,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -1037,6 +1073,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -1067,7 +1104,8 @@
 ```json
 {
   "MetricHttpRoute": "",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -1094,7 +1132,8 @@
 ```json
 {
   "MetricHttpRoute": "Index",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -1121,7 +1160,8 @@
 ```json
 {
   "MetricHttpRoute": "PageThatThrowsException",
-  "IdealHttpRoute": "/PageThatThrowsException",
+  "IdealHttpRoute": "PageThatThrowsException",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -1149,6 +1189,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -1165,7 +1206,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApi",
-  "IdealHttpRoute": "/MinimalApi",
+  "IdealHttpRoute": "MinimalApi",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -1182,7 +1224,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApi/{id}",
-  "IdealHttpRoute": "/MinimalApi/{id}",
+  "IdealHttpRoute": "MinimalApi/{id}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -1201,7 +1244,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -1218,7 +1262,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/{id}",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -1237,7 +1282,8 @@
 ```json
 {
   "MetricHttpRoute": "/Exception",
-  "IdealHttpRoute": "/Exception",
+  "IdealHttpRoute": "Exception",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
index b5b0b279a1..158f055171 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
@@ -6,23 +6,23 @@
 
 | http.route | App | Test Name |
 | - | - | - |
-| :broken_heart: | ConventionalRouting | [Root path](#activity__conventionalrouting-root-path) |
-| :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#activity__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
-| :broken_heart: | ConventionalRouting | [Non-default action with query string](#activity__conventionalrouting-non-default-action-with-query-string) |
+| :green_heart: | ConventionalRouting | [Root path](#activity__conventionalrouting-root-path) |
+| :green_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#activity__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
+| :green_heart: | ConventionalRouting | [Non-default action with query string](#activity__conventionalrouting-non-default-action-with-query-string) |
 | :green_heart: | ConventionalRouting | [Not Found (404)](#activity__conventionalrouting-not-found-404) |
 | :green_heart: | ConventionalRouting | [Route template with parameter constraint](#activity__conventionalrouting-route-template-with-parameter-constraint) |
 | :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#activity__conventionalrouting-path-that-does-not-match-parameter-constraint) |
-| :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#activity__conventionalrouting-area-using-areaexists-default-controlleraction) |
-| :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#activity__conventionalrouting-area-using-areaexists-non-default-action) |
-| :broken_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#activity__conventionalrouting-area-wo-areaexists-default-controlleraction) |
+| :green_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#activity__conventionalrouting-area-using-areaexists-default-controlleraction) |
+| :green_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#activity__conventionalrouting-area-using-areaexists-non-default-action) |
+| :green_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#activity__conventionalrouting-area-wo-areaexists-default-controlleraction) |
 | :green_heart: | AttributeRouting | [Default action](#activity__attributerouting-default-action) |
 | :green_heart: | AttributeRouting | [Action without parameter](#activity__attributerouting-action-without-parameter) |
 | :green_heart: | AttributeRouting | [Action with parameter](#activity__attributerouting-action-with-parameter) |
 | :green_heart: | AttributeRouting | [Action with parameter before action name in template](#activity__attributerouting-action-with-parameter-before-action-name-in-template) |
 | :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#activity__attributerouting-action-invoked-resulting-in-400-bad-request) |
-| :broken_heart: | RazorPages | [Root path](#activity__razorpages-root-path) |
-| :broken_heart: | RazorPages | [Index page](#activity__razorpages-index-page) |
-| :broken_heart: | RazorPages | [Throws exception](#activity__razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Root path](#activity__razorpages-root-path) |
+| :green_heart: | RazorPages | [Index page](#activity__razorpages-index-page) |
+| :green_heart: | RazorPages | [Throws exception](#activity__razorpages-throws-exception) |
 | :green_heart: | RazorPages | [Static content](#activity__razorpages-static-content) |
 | :green_heart: | MinimalApi | [Action without parameter](#activity__minimalapi-action-without-parameter) |
 | :green_heart: | MinimalApi | [Action with parameter](#activity__minimalapi-action-with-parameter) |
@@ -38,7 +38,7 @@
 | :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#metrics__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
 | :broken_heart: | ConventionalRouting | [Non-default action with query string](#metrics__conventionalrouting-non-default-action-with-query-string) |
 | :green_heart: | ConventionalRouting | [Not Found (404)](#metrics__conventionalrouting-not-found-404) |
-| :green_heart: | ConventionalRouting | [Route template with parameter constraint](#metrics__conventionalrouting-route-template-with-parameter-constraint) |
+| :broken_heart: | ConventionalRouting | [Route template with parameter constraint](#metrics__conventionalrouting-route-template-with-parameter-constraint) |
 | :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#metrics__conventionalrouting-path-that-does-not-match-parameter-constraint) |
 | :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#metrics__conventionalrouting-area-using-areaexists-default-controlleraction) |
 | :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#metrics__conventionalrouting-area-using-areaexists-non-default-action) |
@@ -49,14 +49,14 @@
 | :green_heart: | AttributeRouting | [Action with parameter before action name in template](#metrics__attributerouting-action-with-parameter-before-action-name-in-template) |
 | :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#metrics__attributerouting-action-invoked-resulting-in-400-bad-request) |
 | :broken_heart: | RazorPages | [Root path](#metrics__razorpages-root-path) |
-| :broken_heart: | RazorPages | [Index page](#metrics__razorpages-index-page) |
-| :broken_heart: | RazorPages | [Throws exception](#metrics__razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Index page](#metrics__razorpages-index-page) |
+| :green_heart: | RazorPages | [Throws exception](#metrics__razorpages-throws-exception) |
 | :green_heart: | RazorPages | [Static content](#metrics__razorpages-static-content) |
-| :green_heart: | MinimalApi | [Action without parameter](#metrics__minimalapi-action-without-parameter) |
-| :green_heart: | MinimalApi | [Action with parameter](#metrics__minimalapi-action-with-parameter) |
-| :green_heart: | MinimalApi | [Action without parameter (MapGroup)](#metrics__minimalapi-action-without-parameter-mapgroup) |
-| :green_heart: | MinimalApi | [Action with parameter (MapGroup)](#metrics__minimalapi-action-with-parameter-mapgroup) |
-| :green_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#metrics__exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
+| :broken_heart: | MinimalApi | [Action without parameter](#metrics__minimalapi-action-without-parameter) |
+| :broken_heart: | MinimalApi | [Action with parameter](#metrics__minimalapi-action-with-parameter) |
+| :broken_heart: | MinimalApi | [Action without parameter (MapGroup)](#metrics__minimalapi-action-without-parameter-mapgroup) |
+| :broken_heart: | MinimalApi | [Action with parameter (MapGroup)](#metrics__minimalapi-action-with-parameter-mapgroup) |
+| :broken_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#metrics__exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
 
 ## Tracing tests details
 
@@ -65,9 +65,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/Default",
+  "ActivityHttpRoute": "ConventionalRoute/Default",
+  "IdealHttpRoute": "ConventionalRoute/Default",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -94,9 +95,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter/{id}",
+  "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -127,9 +129,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter",
+  "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -162,6 +165,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -177,9 +181,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET SomePath/{id}/{num:int}",
-  "ActivityHttpRoute": "SomePath/{id}/{num:int}",
-  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "ActivityDisplayName": "GET SomePath/{id}/{num}",
+  "ActivityHttpRoute": "SomePath/{id}/{num}",
+  "IdealHttpRoute": "SomePath/{id}/{num}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -214,6 +219,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -229,9 +235,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "ActivityDisplayName": "GET MyArea/ControllerForMyArea/Default",
+  "ActivityHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -259,9 +266,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "ActivityDisplayName": "GET MyArea/ControllerForMyArea/NonDefault",
+  "ActivityHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -289,9 +297,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "ActivityHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "ActivityDisplayName": "GET SomePrefix/AnotherArea/Index",
+  "ActivityHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -322,6 +331,7 @@
   "ActivityDisplayName": "GET AttributeRoute",
   "ActivityHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -351,6 +361,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get",
   "ActivityHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -380,6 +391,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get/{id}",
   "ActivityHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -412,6 +424,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -444,6 +457,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -473,9 +487,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET",
-  "ActivityHttpRoute": "",
-  "IdealHttpRoute": "/Index",
+  "ActivityDisplayName": "GET Index",
+  "ActivityHttpRoute": "Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -503,7 +518,8 @@
 {
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -531,7 +547,8 @@
 {
   "ActivityDisplayName": "GET PageThatThrowsException",
   "ActivityHttpRoute": "PageThatThrowsException",
-  "IdealHttpRoute": "/PageThatThrowsException",
+  "IdealHttpRoute": "PageThatThrowsException",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -560,6 +577,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -575,9 +593,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApi",
-  "ActivityHttpRoute": "/MinimalApi",
-  "IdealHttpRoute": "/MinimalApi",
+  "ActivityDisplayName": "GET MinimalApi",
+  "ActivityHttpRoute": "MinimalApi",
+  "IdealHttpRoute": "MinimalApi",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -593,9 +612,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApi/{id}",
-  "ActivityHttpRoute": "/MinimalApi/{id}",
-  "IdealHttpRoute": "/MinimalApi/{id}",
+  "ActivityDisplayName": "GET MinimalApi/{id}",
+  "ActivityHttpRoute": "MinimalApi/{id}",
+  "IdealHttpRoute": "MinimalApi/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -613,9 +633,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/",
-  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "ActivityDisplayName": "GET MinimalApiUsingMapGroup",
+  "ActivityHttpRoute": "MinimalApiUsingMapGroup",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -631,9 +652,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/{id}",
-  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/{id}",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "ActivityDisplayName": "GET MinimalApiUsingMapGroup/{id}",
+  "ActivityHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -651,9 +673,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /Exception",
-  "ActivityHttpRoute": "/Exception",
-  "IdealHttpRoute": "/Exception",
+  "ActivityDisplayName": "GET Exception",
+  "ActivityHttpRoute": "Exception",
+  "IdealHttpRoute": "Exception",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
@@ -673,7 +696,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/Default",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -701,7 +725,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -733,7 +758,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -765,6 +791,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -781,7 +808,8 @@
 ```json
 {
   "MetricHttpRoute": "SomePath/{id}/{num:int}",
-  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "IdealHttpRoute": "SomePath/{id}/{num}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -815,6 +843,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -831,7 +860,8 @@
 ```json
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -860,7 +890,8 @@
 ```json
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -889,7 +920,8 @@
 ```json
 {
   "MetricHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -919,6 +951,7 @@
 {
   "MetricHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -947,6 +980,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -975,6 +1009,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -1006,6 +1041,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -1037,6 +1073,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -1067,7 +1104,8 @@
 ```json
 {
   "MetricHttpRoute": "",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -1094,7 +1132,8 @@
 ```json
 {
   "MetricHttpRoute": "Index",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -1121,7 +1160,8 @@
 ```json
 {
   "MetricHttpRoute": "PageThatThrowsException",
-  "IdealHttpRoute": "/PageThatThrowsException",
+  "IdealHttpRoute": "PageThatThrowsException",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -1149,6 +1189,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdeaHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -1165,7 +1206,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApi",
-  "IdealHttpRoute": "/MinimalApi",
+  "IdealHttpRoute": "MinimalApi",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -1182,7 +1224,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApi/{id}",
-  "IdealHttpRoute": "/MinimalApi/{id}",
+  "IdealHttpRoute": "MinimalApi/{id}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -1201,7 +1244,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -1218,7 +1262,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/{id}",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -1237,7 +1282,8 @@
 ```json
 {
   "MetricHttpRoute": "/Exception",
-  "IdealHttpRoute": "/Exception",
+  "IdealHttpRoute": "Exception",
+  "IdeaHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
index f25d263a79..af3de9aba9 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
@@ -6,6 +6,7 @@
     "path": "/",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
     "expectedHttpRoute": "ConventionalRoute/Default"
   },
   {
@@ -15,6 +16,7 @@
     "path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
     "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}"
   },
   {
@@ -24,6 +26,7 @@
     "path": "/ConventionalRoute/ActionWithStringParameter?num=3",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
     "expectedHttpRoute": "ConventionalRoute/ActionWithStringParameter"
   },
   {
@@ -33,6 +36,7 @@
     "path": "/ConventionalRoute/NotFound",
     "expectedStatusCode": 404,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": ""
   },
   {
@@ -42,6 +46,7 @@
     "path": "/SomePath/SomeString/2",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "SomePath/{id}/{num:int}",
     "expectedHttpRoute": "SomePath/{id}/{num}"
   },
   {
@@ -51,6 +56,7 @@
     "path": "/SomePath/SomeString/NotAnInt",
     "expectedStatusCode": 404,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": ""
   },
   {
@@ -60,6 +66,7 @@
     "path": "/MyArea",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
     "expectedHttpRoute": "MyArea/ControllerForMyArea/Default"
   },
   {
@@ -69,6 +76,7 @@
     "path": "/MyArea/ControllerForMyArea/NonDefault",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
     "expectedHttpRoute": "MyArea/ControllerForMyArea/NonDefault"
   },
   {
@@ -78,6 +86,7 @@
     "path": "/SomePrefix",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
     "expectedHttpRoute": "SomePrefix/AnotherArea/Index"
   },
   {
@@ -87,6 +96,7 @@
     "path": "/AttributeRoute",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "AttributeRoute"
   },
   {
@@ -96,6 +106,7 @@
     "path": "/AttributeRoute/Get",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "AttributeRoute/Get"
   },
   {
@@ -105,6 +116,7 @@
     "path": "/AttributeRoute/Get/12",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "AttributeRoute/Get/{id}"
   },
   {
@@ -114,6 +126,7 @@
     "path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate"
   },
   {
@@ -123,6 +136,7 @@
     "path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
     "expectedStatusCode": 400,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate"
   },
   {
@@ -133,6 +147,7 @@
     "path": "/",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "",
     "expectedHttpRoute": "Index"
   },
   {
@@ -142,6 +157,7 @@
     "path": "/Index",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "Index"
   },
   {
@@ -150,7 +166,8 @@
     "httpMethod": "GET",
     "path": "/PageThatThrowsException",
     "expectedStatusCode": 500,
-    "currentHttpRoute": "PageThatThrowsException",
+    "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": "PageThatThrowsException"
   },
   {
@@ -160,6 +177,7 @@
     "path": "/js/site.js",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": null,
     "expectedHttpRoute": ""
   },
   {
@@ -169,6 +187,7 @@
     "path": "/MinimalApi",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "/MinimalApi",
     "expectedHttpRoute": "MinimalApi"
   },
   {
@@ -178,6 +197,7 @@
     "path": "/MinimalApi/123",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "/MinimalApi/{id}",
     "expectedHttpRoute": "MinimalApi/{id}"
   },
   {
@@ -188,6 +208,7 @@
     "path": "/MinimalApiUsingMapGroup",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "/MinimalApiUsingMapGroup/",
     "expectedHttpRoute": "MinimalApiUsingMapGroup"
   },
   {
@@ -198,6 +219,7 @@
     "path": "/MinimalApiUsingMapGroup/123",
     "expectedStatusCode": 200,
     "currentHttpRoute": null,
+    "currentMetricRoute": "/MinimalApiUsingMapGroup/{id}",
     "expectedHttpRoute": "MinimalApiUsingMapGroup/{id}"
   },
   {
@@ -207,6 +229,7 @@
     "path": "/Exception",
     "expectedStatusCode": 500,
     "currentHttpRoute": null,
+    "currentMetricRoute": "/Exception",
     "expectedHttpRoute": "Exception"
   }
 ]
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs
index c8c6643f12..922bf42d07 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs
@@ -121,7 +121,7 @@ private void AppendTestResults(StringBuilder sb, IReadOnlyCollection<RoutingTest
     {
         foreach (var result in testResults)
         {
-            var emoji = result.TestCase.CurrentHttpRoute == null ? ":green_heart:" : ":broken_heart:";
+            var emoji = result.IdeaHttpRouteMatch ? ":green_heart:" : ":broken_heart:";
             sb.AppendLine($"| {emoji} | {result.TestCase.TestApplicationScenario} | [{result.TestCase.Name}](#{result.DetailsAnchor}) |");
         }
     }
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs
index 2e82b4cae0..e66fd15807 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs
@@ -22,6 +22,8 @@ protected RoutingTestResult(TestCase testCase, string anchorPrefix)
 
     public string? IdealHttpRoute { get; set; }
 
+    public bool IdeaHttpRouteMatch { get; set; }
+
     public RouteInfo RouteInfo { get; set; } = new();
 
     [JsonIgnore]
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
index fe7d3d3201..ee39649447 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
@@ -50,8 +50,6 @@ public async Task TestHttpRoute_Traces(TestCase testCase)
         Assert.Equal(testCase.ExpectedStatusCode, activityHttpStatusCode);
         Assert.Equal(testCase.HttpMethod, activityHttpMethod);
 
-        // TODO: The CurrentHttpRoute property will go away. They only serve to capture status quo.
-        // If CurrentHttpRoute is null, then that means we already conform to the correct behavior.
         var expectedHttpRoute = testCase.CurrentHttpRoute ?? testCase.ExpectedHttpRoute;
         Assert.Equal(expectedHttpRoute, activityHttpRoute);
 
@@ -63,9 +61,13 @@ public async Task TestHttpRoute_Traces(TestCase testCase)
 
         Assert.Equal(expectedActivityDisplayName, activity.DisplayName);
 
+        var idealHttpRouteMatch = testCase.CurrentHttpRoute == null ||
+            testCase.CurrentMetricRoute == testCase.ExpectedHttpRoute;
+
         var testResult = new ActivityRoutingTestResult(testCase)
         {
             IdealHttpRoute = testCase.ExpectedHttpRoute,
+            IdeaHttpRouteMatch = idealHttpRouteMatch,
             ActivityDisplayName = activity.DisplayName,
             ActivityHttpRoute = activityHttpRoute,
             RouteInfo = RouteInfo.Current,
@@ -107,15 +109,16 @@ public async Task TestHttpRoute_Metrics(TestCase testCase)
         Assert.Equal(testCase.ExpectedStatusCode, metricHttpStatusCode);
         Assert.Equal(testCase.HttpMethod, metricHttpMethod);
 
-        // TODO: The CurrentHttpRoute property will go away. They only serve to capture status quo.
-        // If CurrentHttpRoute is null, then that means we already conform to the correct behavior.
-        var expectedHttpRoute = testCase.CurrentHttpRoute ?? testCase.ExpectedHttpRoute;
-        var expectedMetricRoute = testCase.ExpectedMetricRoute ?? expectedHttpRoute;
+        var expectedMetricRoute = testCase.CurrentMetricRoute ?? testCase.ExpectedHttpRoute;
         Assert.Equal(expectedMetricRoute, metricHttpRoute);
 
+        var idealHttpRouteMatch = testCase.CurrentMetricRoute == null ||
+            testCase.CurrentMetricRoute == testCase.ExpectedHttpRoute;
+
         var testResult = new MetricRoutingTestResult(testCase)
         {
             IdealHttpRoute = testCase.ExpectedHttpRoute,
+            IdeaHttpRouteMatch = idealHttpRouteMatch,
             MetricHttpRoute = metricHttpRoute,
             RouteInfo = RouteInfo.Current,
         };
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/TestCase.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/TestCase.cs
index 65831472cd..6d0d0270cf 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/TestCase.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/TestCase.cs
@@ -25,7 +25,7 @@ public class TestCase
 
     public string? CurrentHttpRoute { get; set; }
 
-    public string? ExpectedMetricRoute { get; set; }
+    public string? CurrentMetricRoute { get; set; }
 
     public override string ToString()
     {

From b46f36e91b0b0353f2532c5a57ce357f339398ed Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 4 Nov 2025 16:10:48 +0000
Subject: [PATCH 06/15] simplify routepattern for page

---
 .../Implementation/RouteAttributeHelper.cs                    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
index 297093f05e..4ba1c78702 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
@@ -40,9 +40,9 @@ private static string GetRoutePattern(RoutePattern routePattern, RouteValueDicti
         if (routePattern.PathSegments.Count == 0)
         {
             // RazorPage default route
-            if (routePattern.Defaults.ContainsKey("page"))
+            if (routePattern.Defaults.TryGetValue("page", out var pageValue))
             {
-                return routePattern.Defaults["page"]?.ToString()?.Trim('/')
+                return pageValue?.ToString()?.Trim('/')
                     ?? string.Empty;
             }
 

From ed8680ac5ca196eb820163d471ce2ac1aea81fa3 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 4 Nov 2025 16:16:14 +0000
Subject: [PATCH 07/15] typo fix

---
 .../RouteTests/README.net8.0.md               | 92 +++++++++----------
 .../RouteTests/README.net9.0.md               | 92 +++++++++----------
 .../RouteTests/RoutingTestFixture.cs          |  2 +-
 .../RouteTests/RoutingTestResult.cs           |  2 +-
 .../RouteTests/RoutingTests.cs                |  4 +-
 5 files changed, 96 insertions(+), 96 deletions(-)

diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md
index d0ebef0fc7..2bf611ad4a 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net8.0.md
@@ -68,7 +68,7 @@
   "ActivityDisplayName": "GET ConventionalRoute/Default",
   "ActivityHttpRoute": "ConventionalRoute/Default",
   "IdealHttpRoute": "ConventionalRoute/Default",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -98,7 +98,7 @@
   "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter/{id}",
   "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -132,7 +132,7 @@
   "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter",
   "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -165,7 +165,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -184,7 +184,7 @@
   "ActivityDisplayName": "GET SomePath/{id}/{num}",
   "ActivityHttpRoute": "SomePath/{id}/{num}",
   "IdealHttpRoute": "SomePath/{id}/{num}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -219,7 +219,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -238,7 +238,7 @@
   "ActivityDisplayName": "GET MyArea/ControllerForMyArea/Default",
   "ActivityHttpRoute": "MyArea/ControllerForMyArea/Default",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -269,7 +269,7 @@
   "ActivityDisplayName": "GET MyArea/ControllerForMyArea/NonDefault",
   "ActivityHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -300,7 +300,7 @@
   "ActivityDisplayName": "GET SomePrefix/AnotherArea/Index",
   "ActivityHttpRoute": "SomePrefix/AnotherArea/Index",
   "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -331,7 +331,7 @@
   "ActivityDisplayName": "GET AttributeRoute",
   "ActivityHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -361,7 +361,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get",
   "ActivityHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -391,7 +391,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get/{id}",
   "ActivityHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -424,7 +424,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -457,7 +457,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -490,7 +490,7 @@
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -519,7 +519,7 @@
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -548,7 +548,7 @@
   "ActivityDisplayName": "GET PageThatThrowsException",
   "ActivityHttpRoute": "PageThatThrowsException",
   "IdealHttpRoute": "PageThatThrowsException",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -577,7 +577,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -596,7 +596,7 @@
   "ActivityDisplayName": "GET MinimalApi",
   "ActivityHttpRoute": "MinimalApi",
   "IdealHttpRoute": "MinimalApi",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -615,7 +615,7 @@
   "ActivityDisplayName": "GET MinimalApi/{id}",
   "ActivityHttpRoute": "MinimalApi/{id}",
   "IdealHttpRoute": "MinimalApi/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -636,7 +636,7 @@
   "ActivityDisplayName": "GET MinimalApiUsingMapGroup",
   "ActivityHttpRoute": "MinimalApiUsingMapGroup",
   "IdealHttpRoute": "MinimalApiUsingMapGroup",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -655,7 +655,7 @@
   "ActivityDisplayName": "GET MinimalApiUsingMapGroup/{id}",
   "ActivityHttpRoute": "MinimalApiUsingMapGroup/{id}",
   "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -676,7 +676,7 @@
   "ActivityDisplayName": "GET Exception",
   "ActivityHttpRoute": "Exception",
   "IdealHttpRoute": "Exception",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
@@ -697,7 +697,7 @@
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "IdealHttpRoute": "ConventionalRoute/Default",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -726,7 +726,7 @@
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -759,7 +759,7 @@
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -791,7 +791,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -809,7 +809,7 @@
 {
   "MetricHttpRoute": "SomePath/{id}/{num:int}",
   "IdealHttpRoute": "SomePath/{id}/{num}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -843,7 +843,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -861,7 +861,7 @@
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -891,7 +891,7 @@
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -921,7 +921,7 @@
 {
   "MetricHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
   "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -951,7 +951,7 @@
 {
   "MetricHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -980,7 +980,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -1009,7 +1009,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -1041,7 +1041,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -1073,7 +1073,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -1105,7 +1105,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -1133,7 +1133,7 @@
 {
   "MetricHttpRoute": "Index",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -1161,7 +1161,7 @@
 {
   "MetricHttpRoute": "PageThatThrowsException",
   "IdealHttpRoute": "PageThatThrowsException",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -1189,7 +1189,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -1207,7 +1207,7 @@
 {
   "MetricHttpRoute": "/MinimalApi",
   "IdealHttpRoute": "MinimalApi",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -1225,7 +1225,7 @@
 {
   "MetricHttpRoute": "/MinimalApi/{id}",
   "IdealHttpRoute": "MinimalApi/{id}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -1245,7 +1245,7 @@
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/",
   "IdealHttpRoute": "MinimalApiUsingMapGroup",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -1263,7 +1263,7 @@
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/{id}",
   "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -1283,7 +1283,7 @@
 {
   "MetricHttpRoute": "/Exception",
   "IdealHttpRoute": "Exception",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
index 158f055171..3ef17c51a9 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
@@ -68,7 +68,7 @@
   "ActivityDisplayName": "GET ConventionalRoute/Default",
   "ActivityHttpRoute": "ConventionalRoute/Default",
   "IdealHttpRoute": "ConventionalRoute/Default",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -98,7 +98,7 @@
   "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter/{id}",
   "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -132,7 +132,7 @@
   "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter",
   "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -165,7 +165,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -184,7 +184,7 @@
   "ActivityDisplayName": "GET SomePath/{id}/{num}",
   "ActivityHttpRoute": "SomePath/{id}/{num}",
   "IdealHttpRoute": "SomePath/{id}/{num}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -219,7 +219,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -238,7 +238,7 @@
   "ActivityDisplayName": "GET MyArea/ControllerForMyArea/Default",
   "ActivityHttpRoute": "MyArea/ControllerForMyArea/Default",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -269,7 +269,7 @@
   "ActivityDisplayName": "GET MyArea/ControllerForMyArea/NonDefault",
   "ActivityHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -300,7 +300,7 @@
   "ActivityDisplayName": "GET SomePrefix/AnotherArea/Index",
   "ActivityHttpRoute": "SomePrefix/AnotherArea/Index",
   "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -331,7 +331,7 @@
   "ActivityDisplayName": "GET AttributeRoute",
   "ActivityHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -361,7 +361,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get",
   "ActivityHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -391,7 +391,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get/{id}",
   "ActivityHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -424,7 +424,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -457,7 +457,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -490,7 +490,7 @@
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -519,7 +519,7 @@
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -548,7 +548,7 @@
   "ActivityDisplayName": "GET PageThatThrowsException",
   "ActivityHttpRoute": "PageThatThrowsException",
   "IdealHttpRoute": "PageThatThrowsException",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -577,7 +577,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -596,7 +596,7 @@
   "ActivityDisplayName": "GET MinimalApi",
   "ActivityHttpRoute": "MinimalApi",
   "IdealHttpRoute": "MinimalApi",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -615,7 +615,7 @@
   "ActivityDisplayName": "GET MinimalApi/{id}",
   "ActivityHttpRoute": "MinimalApi/{id}",
   "IdealHttpRoute": "MinimalApi/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -636,7 +636,7 @@
   "ActivityDisplayName": "GET MinimalApiUsingMapGroup",
   "ActivityHttpRoute": "MinimalApiUsingMapGroup",
   "IdealHttpRoute": "MinimalApiUsingMapGroup",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -655,7 +655,7 @@
   "ActivityDisplayName": "GET MinimalApiUsingMapGroup/{id}",
   "ActivityHttpRoute": "MinimalApiUsingMapGroup/{id}",
   "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -676,7 +676,7 @@
   "ActivityDisplayName": "GET Exception",
   "ActivityHttpRoute": "Exception",
   "IdealHttpRoute": "Exception",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
@@ -697,7 +697,7 @@
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "IdealHttpRoute": "ConventionalRoute/Default",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -726,7 +726,7 @@
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -759,7 +759,7 @@
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -791,7 +791,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -809,7 +809,7 @@
 {
   "MetricHttpRoute": "SomePath/{id}/{num:int}",
   "IdealHttpRoute": "SomePath/{id}/{num}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -843,7 +843,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -861,7 +861,7 @@
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -891,7 +891,7 @@
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
   "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -921,7 +921,7 @@
 {
   "MetricHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
   "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -951,7 +951,7 @@
 {
   "MetricHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -980,7 +980,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -1009,7 +1009,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -1041,7 +1041,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -1073,7 +1073,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -1105,7 +1105,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -1133,7 +1133,7 @@
 {
   "MetricHttpRoute": "Index",
   "IdealHttpRoute": "Index",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -1161,7 +1161,7 @@
 {
   "MetricHttpRoute": "PageThatThrowsException",
   "IdealHttpRoute": "PageThatThrowsException",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -1189,7 +1189,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
-  "IdeaHttpRouteMatch": true,
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -1207,7 +1207,7 @@
 {
   "MetricHttpRoute": "/MinimalApi",
   "IdealHttpRoute": "MinimalApi",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -1225,7 +1225,7 @@
 {
   "MetricHttpRoute": "/MinimalApi/{id}",
   "IdealHttpRoute": "MinimalApi/{id}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -1245,7 +1245,7 @@
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/",
   "IdealHttpRoute": "MinimalApiUsingMapGroup",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -1263,7 +1263,7 @@
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/{id}",
   "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -1283,7 +1283,7 @@
 {
   "MetricHttpRoute": "/Exception",
   "IdealHttpRoute": "Exception",
-  "IdeaHttpRouteMatch": false,
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs
index 922bf42d07..4a5b751ad3 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestFixture.cs
@@ -121,7 +121,7 @@ private void AppendTestResults(StringBuilder sb, IReadOnlyCollection<RoutingTest
     {
         foreach (var result in testResults)
         {
-            var emoji = result.IdeaHttpRouteMatch ? ":green_heart:" : ":broken_heart:";
+            var emoji = result.IdealHttpRouteMatch ? ":green_heart:" : ":broken_heart:";
             sb.AppendLine($"| {emoji} | {result.TestCase.TestApplicationScenario} | [{result.TestCase.Name}](#{result.DetailsAnchor}) |");
         }
     }
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs
index e66fd15807..c26ce40a3e 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestResult.cs
@@ -22,7 +22,7 @@ protected RoutingTestResult(TestCase testCase, string anchorPrefix)
 
     public string? IdealHttpRoute { get; set; }
 
-    public bool IdeaHttpRouteMatch { get; set; }
+    public bool IdealHttpRouteMatch { get; set; }
 
     public RouteInfo RouteInfo { get; set; } = new();
 
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
index ee39649447..7abd39057f 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTests.cs
@@ -67,7 +67,7 @@ public async Task TestHttpRoute_Traces(TestCase testCase)
         var testResult = new ActivityRoutingTestResult(testCase)
         {
             IdealHttpRoute = testCase.ExpectedHttpRoute,
-            IdeaHttpRouteMatch = idealHttpRouteMatch,
+            IdealHttpRouteMatch = idealHttpRouteMatch,
             ActivityDisplayName = activity.DisplayName,
             ActivityHttpRoute = activityHttpRoute,
             RouteInfo = RouteInfo.Current,
@@ -118,7 +118,7 @@ public async Task TestHttpRoute_Metrics(TestCase testCase)
         var testResult = new MetricRoutingTestResult(testCase)
         {
             IdealHttpRoute = testCase.ExpectedHttpRoute,
-            IdeaHttpRouteMatch = idealHttpRouteMatch,
+            IdealHttpRouteMatch = idealHttpRouteMatch,
             MetricHttpRoute = metricHttpRoute,
             RouteInfo = RouteInfo.Current,
         };

From 5361b9fa7ebc997fbb89623dd19c5f6330ebaf43 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Tue, 4 Nov 2025 16:26:33 +0000
Subject: [PATCH 08/15] fix if statement

---
 .../Implementation/RouteAttributeHelper.cs                     | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
index 4ba1c78702..955fcc094f 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/RouteAttributeHelper.cs
@@ -67,8 +67,7 @@ private static string GetRoutePattern(RoutePattern routePattern, RouteValueDicti
                         case "area":
                         case "controller":
                         case "action":
-                            routePattern.RequiredValues.TryGetValue(parameterPart.Name, out var parameterValue);
-                            if (parameterValue != null)
+                            if (routePattern.RequiredValues.TryGetValue(parameterPart.Name, out var parameterValue) && parameterValue != null)
                             {
                                 sb.Append(parameterValue);
                                 sb.Append('/');

From 92d1c9c6b1ab68779904c090b56071738abbb05a Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Wed, 5 Nov 2025 12:31:46 +0000
Subject: [PATCH 09/15] update docs

---
 .../CHANGELOG.md                                       |  5 +++++
 .../RouteTests/README.md                               | 10 +++++-----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index 99c07267b2..7bbcb1c973 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+* Fixes an issue where `http.route` attribute reported only a plain route template for some routing options.
+  Therefore, the HTTP span display name has been also changed to a more meaningful value.
+  ([#3338](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/3338))
+  
+
 ## 1.13.0
 
 Released 2025-Oct-22
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.md
index fa683ab275..d2bd2643f9 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.md
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.md
@@ -34,8 +34,8 @@ generated for a test case:
 
 ```json
 {
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
-  "ActivityDisplayName": "/ConventionalRoute/ActionWithStringParameter/2",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter/2",
   "ActivityHttpRoute": "",
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
   "RouteInfo": {
@@ -65,9 +65,9 @@ generated for a test case:
 ```
 
 > [!NOTE]
-> The test result currently includes an `IdealHttpRoute` property. This is
-> temporary, and is meant to drive a conversation to determine the best way
-> for generating the `http.route` attribute under different routing scenarios.
+> The test result includes an `IdealHttpRoute` property. It is meant to drive
+> a conversation to determine the best way for generating the `http.route`
+> attribute under different routing scenarios.
 > In the example above, the path invoked is
 > `/ConventionalRoute/ActionWithStringParameter/2?num=3`. Currently, we see
 > that the `http.route` attribute on the metric emitted is

From c75d643164a40e3ff5f3c8c08777b7f79f0476ba Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Wed, 5 Nov 2025 12:51:48 +0000
Subject: [PATCH 10/15] fix line length

---
 src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index 63b1918151..d6cc46cf91 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -5,8 +5,9 @@
 * Add support for .NET 10.0.
   ([#2822](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2822))
 
-* Fixes an issue where `http.route` attribute reported only a plain route template for some routing options.
-  Therefore, the HTTP span display name has been also changed to a more meaningful value.
+* Fixes an issue where `http.route` attribute reported only a plain route
+  template for some routing options. Therefore, the HTTP span display name
+  has been also changed to a more meaningful value.
   ([#3338](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/3338))
   
 

From bb380b9b89e683798b59d46c1831481b297a6c16 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Wed, 5 Nov 2025 12:53:03 +0000
Subject: [PATCH 11/15] fix md012

---
 src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index d6cc46cf91..25892a6366 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -10,7 +10,6 @@
   has been also changed to a more meaningful value.
   ([#3338](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/3338))
   
-
 ## 1.13.0
 
 Released 2025-Oct-22

From 833fc3953c2d9b85764002c1737fc5346ce912c6 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Wed, 5 Nov 2025 12:54:10 +0000
Subject: [PATCH 12/15] remove space

---
 src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index 25892a6366..b452bdf469 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -9,7 +9,7 @@
   template for some routing options. Therefore, the HTTP span display name
   has been also changed to a more meaningful value.
   ([#3338](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/3338))
-  
+
 ## 1.13.0
 
 Released 2025-Oct-22

From d57c244866d29e08d319e76cc1e6ed6c85de1f98 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Wed, 5 Nov 2025 16:29:27 +0000
Subject: [PATCH 13/15] fix .net10

---
 ...ry.Instrumentation.AspNetCore.Tests.csproj |   4 +-
 .../RouteTests/README.net10.0.md              | 192 +++++++++++-------
 .../RouteTests/RoutingTestCases.json          |   6 +-
 3 files changed, 124 insertions(+), 78 deletions(-)

diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
index fe9ef429fc..efd13f5aa6 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing"/>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" />
     <PackageReference Include="OpenTelemetry.Exporter.InMemory" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" />
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net10.0.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net10.0.md
index 602cd08bde..0dc4c18e50 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net10.0.md
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net10.0.md
@@ -6,23 +6,23 @@
 
 | http.route | App | Test Name |
 | - | - | - |
-| :broken_heart: | ConventionalRouting | [Root path](#activity__conventionalrouting-root-path) |
-| :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#activity__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
-| :broken_heart: | ConventionalRouting | [Non-default action with query string](#activity__conventionalrouting-non-default-action-with-query-string) |
+| :green_heart: | ConventionalRouting | [Root path](#activity__conventionalrouting-root-path) |
+| :green_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#activity__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
+| :green_heart: | ConventionalRouting | [Non-default action with query string](#activity__conventionalrouting-non-default-action-with-query-string) |
 | :green_heart: | ConventionalRouting | [Not Found (404)](#activity__conventionalrouting-not-found-404) |
 | :green_heart: | ConventionalRouting | [Route template with parameter constraint](#activity__conventionalrouting-route-template-with-parameter-constraint) |
 | :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#activity__conventionalrouting-path-that-does-not-match-parameter-constraint) |
-| :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#activity__conventionalrouting-area-using-areaexists-default-controlleraction) |
-| :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#activity__conventionalrouting-area-using-areaexists-non-default-action) |
-| :broken_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#activity__conventionalrouting-area-wo-areaexists-default-controlleraction) |
+| :green_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#activity__conventionalrouting-area-using-areaexists-default-controlleraction) |
+| :green_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#activity__conventionalrouting-area-using-areaexists-non-default-action) |
+| :green_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#activity__conventionalrouting-area-wo-areaexists-default-controlleraction) |
 | :green_heart: | AttributeRouting | [Default action](#activity__attributerouting-default-action) |
 | :green_heart: | AttributeRouting | [Action without parameter](#activity__attributerouting-action-without-parameter) |
 | :green_heart: | AttributeRouting | [Action with parameter](#activity__attributerouting-action-with-parameter) |
 | :green_heart: | AttributeRouting | [Action with parameter before action name in template](#activity__attributerouting-action-with-parameter-before-action-name-in-template) |
 | :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#activity__attributerouting-action-invoked-resulting-in-400-bad-request) |
-| :broken_heart: | RazorPages | [Root path](#activity__razorpages-root-path) |
-| :broken_heart: | RazorPages | [Index page](#activity__razorpages-index-page) |
-| :broken_heart: | RazorPages | [Throws exception](#activity__razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Root path](#activity__razorpages-root-path) |
+| :green_heart: | RazorPages | [Index page](#activity__razorpages-index-page) |
+| :green_heart: | RazorPages | [Throws exception](#activity__razorpages-throws-exception) |
 | :green_heart: | RazorPages | [Static content](#activity__razorpages-static-content) |
 | :green_heart: | MinimalApi | [Action without parameter](#activity__minimalapi-action-without-parameter) |
 | :green_heart: | MinimalApi | [Action with parameter](#activity__minimalapi-action-with-parameter) |
@@ -38,7 +38,7 @@
 | :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#metrics__conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
 | :broken_heart: | ConventionalRouting | [Non-default action with query string](#metrics__conventionalrouting-non-default-action-with-query-string) |
 | :green_heart: | ConventionalRouting | [Not Found (404)](#metrics__conventionalrouting-not-found-404) |
-| :green_heart: | ConventionalRouting | [Route template with parameter constraint](#metrics__conventionalrouting-route-template-with-parameter-constraint) |
+| :broken_heart: | ConventionalRouting | [Route template with parameter constraint](#metrics__conventionalrouting-route-template-with-parameter-constraint) |
 | :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#metrics__conventionalrouting-path-that-does-not-match-parameter-constraint) |
 | :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#metrics__conventionalrouting-area-using-areaexists-default-controlleraction) |
 | :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#metrics__conventionalrouting-area-using-areaexists-non-default-action) |
@@ -49,14 +49,14 @@
 | :green_heart: | AttributeRouting | [Action with parameter before action name in template](#metrics__attributerouting-action-with-parameter-before-action-name-in-template) |
 | :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#metrics__attributerouting-action-invoked-resulting-in-400-bad-request) |
 | :broken_heart: | RazorPages | [Root path](#metrics__razorpages-root-path) |
-| :broken_heart: | RazorPages | [Index page](#metrics__razorpages-index-page) |
-| :broken_heart: | RazorPages | [Throws exception](#metrics__razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Index page](#metrics__razorpages-index-page) |
+| :green_heart: | RazorPages | [Throws exception](#metrics__razorpages-throws-exception) |
 | :green_heart: | RazorPages | [Static content](#metrics__razorpages-static-content) |
-| :green_heart: | MinimalApi | [Action without parameter](#metrics__minimalapi-action-without-parameter) |
-| :green_heart: | MinimalApi | [Action with parameter](#metrics__minimalapi-action-with-parameter) |
-| :green_heart: | MinimalApi | [Action without parameter (MapGroup)](#metrics__minimalapi-action-without-parameter-mapgroup) |
-| :green_heart: | MinimalApi | [Action with parameter (MapGroup)](#metrics__minimalapi-action-with-parameter-mapgroup) |
-| :green_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#metrics__exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
+| :broken_heart: | MinimalApi | [Action without parameter](#metrics__minimalapi-action-without-parameter) |
+| :broken_heart: | MinimalApi | [Action with parameter](#metrics__minimalapi-action-with-parameter) |
+| :broken_heart: | MinimalApi | [Action without parameter (MapGroup)](#metrics__minimalapi-action-without-parameter-mapgroup) |
+| :broken_heart: | MinimalApi | [Action with parameter (MapGroup)](#metrics__minimalapi-action-with-parameter-mapgroup) |
+| :broken_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#metrics__exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
 
 ## Tracing tests details
 
@@ -65,9 +65,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/Default",
+  "ActivityHttpRoute": "ConventionalRoute/Default",
+  "IdealHttpRoute": "ConventionalRoute/Default",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -94,9 +95,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter/{id}",
+  "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -127,9 +129,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET ConventionalRoute/ActionWithStringParameter",
+  "ActivityHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -162,6 +165,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -177,9 +181,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET SomePath/{id}/{num:int}",
-  "ActivityHttpRoute": "SomePath/{id}/{num:int}",
-  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "ActivityDisplayName": "GET SomePath/{id}/{num}",
+  "ActivityHttpRoute": "SomePath/{id}/{num}",
+  "IdealHttpRoute": "SomePath/{id}/{num}",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -214,6 +219,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -229,9 +235,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "ActivityDisplayName": "GET MyArea/ControllerForMyArea/Default",
+  "ActivityHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -259,9 +266,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "ActivityDisplayName": "GET MyArea/ControllerForMyArea/NonDefault",
+  "ActivityHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -289,9 +297,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "ActivityHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "ActivityDisplayName": "GET SomePrefix/AnotherArea/Index",
+  "ActivityHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -322,6 +331,7 @@
   "ActivityDisplayName": "GET AttributeRoute",
   "ActivityHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -351,6 +361,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get",
   "ActivityHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -380,6 +391,7 @@
   "ActivityDisplayName": "GET AttributeRoute/Get/{id}",
   "ActivityHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -412,6 +424,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -444,6 +457,7 @@
   "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -473,9 +487,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET",
-  "ActivityHttpRoute": "",
-  "IdealHttpRoute": "/Index",
+  "ActivityDisplayName": "GET Index",
+  "ActivityHttpRoute": "Index",
+  "IdealHttpRoute": "Index",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -503,7 +518,8 @@
 {
   "ActivityDisplayName": "GET Index",
   "ActivityHttpRoute": "Index",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -531,7 +547,8 @@
 {
   "ActivityDisplayName": "GET PageThatThrowsException",
   "ActivityHttpRoute": "PageThatThrowsException",
-  "IdealHttpRoute": "/PageThatThrowsException",
+  "IdealHttpRoute": "PageThatThrowsException",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -560,6 +577,7 @@
   "ActivityDisplayName": "GET",
   "ActivityHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -575,9 +593,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApi",
-  "ActivityHttpRoute": "/MinimalApi",
-  "IdealHttpRoute": "/MinimalApi",
+  "ActivityDisplayName": "GET MinimalApi",
+  "ActivityHttpRoute": "MinimalApi",
+  "IdealHttpRoute": "MinimalApi",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -593,9 +612,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApi/{id}",
-  "ActivityHttpRoute": "/MinimalApi/{id}",
-  "IdealHttpRoute": "/MinimalApi/{id}",
+  "ActivityDisplayName": "GET MinimalApi/{id}",
+  "ActivityHttpRoute": "MinimalApi/{id}",
+  "IdealHttpRoute": "MinimalApi/{id}",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -613,9 +633,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/",
-  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "ActivityDisplayName": "GET MinimalApiUsingMapGroup",
+  "ActivityHttpRoute": "MinimalApiUsingMapGroup",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -631,9 +652,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/{id}",
-  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/{id}",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "ActivityDisplayName": "GET MinimalApiUsingMapGroup/{id}",
+  "ActivityHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -651,9 +673,10 @@
 
 ```json
 {
-  "ActivityDisplayName": "GET /Exception",
-  "ActivityHttpRoute": "/Exception",
-  "IdealHttpRoute": "/Exception",
+  "ActivityDisplayName": "GET Exception",
+  "ActivityHttpRoute": "Exception",
+  "IdealHttpRoute": "Exception",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
@@ -673,7 +696,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/Default",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -701,7 +725,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id}",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
@@ -733,7 +758,8 @@
 ```json
 {
   "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
-  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
@@ -765,6 +791,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/ConventionalRoute/NotFound",
@@ -781,7 +808,8 @@
 ```json
 {
   "MetricHttpRoute": "SomePath/{id}/{num:int}",
-  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "IdealHttpRoute": "SomePath/{id}/{num}",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/2",
@@ -815,6 +843,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePath/SomeString/NotAnInt",
@@ -831,7 +860,8 @@
 ```json
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/Default",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea",
@@ -860,7 +890,8 @@
 ```json
 {
   "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
-  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "IdealHttpRoute": "MyArea/ControllerForMyArea/NonDefault",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MyArea/ControllerForMyArea/NonDefault",
@@ -889,7 +920,8 @@
 ```json
 {
   "MetricHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
-  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/SomePrefix",
@@ -919,6 +951,7 @@
 {
   "MetricHttpRoute": "AttributeRoute",
   "IdealHttpRoute": "AttributeRoute",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute",
@@ -947,6 +980,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get",
   "IdealHttpRoute": "AttributeRoute/Get",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get",
@@ -975,6 +1009,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/Get/{id}",
   "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/Get/12",
@@ -1006,6 +1041,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
@@ -1037,6 +1073,7 @@
 {
   "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
   "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
@@ -1067,7 +1104,8 @@
 ```json
 {
   "MetricHttpRoute": "/",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/",
@@ -1094,7 +1132,8 @@
 ```json
 {
   "MetricHttpRoute": "Index",
-  "IdealHttpRoute": "/Index",
+  "IdealHttpRoute": "Index",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Index",
@@ -1121,7 +1160,8 @@
 ```json
 {
   "MetricHttpRoute": "PageThatThrowsException",
-  "IdealHttpRoute": "/PageThatThrowsException",
+  "IdealHttpRoute": "PageThatThrowsException",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/PageThatThrowsException",
@@ -1149,6 +1189,7 @@
 {
   "MetricHttpRoute": "",
   "IdealHttpRoute": "",
+  "IdealHttpRouteMatch": true,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/js/site.js",
@@ -1165,7 +1206,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApi",
-  "IdealHttpRoute": "/MinimalApi",
+  "IdealHttpRoute": "MinimalApi",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi",
@@ -1182,7 +1224,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApi/{id}",
-  "IdealHttpRoute": "/MinimalApi/{id}",
+  "IdealHttpRoute": "MinimalApi/{id}",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApi/123",
@@ -1201,7 +1244,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup",
@@ -1218,7 +1262,8 @@
 ```json
 {
   "MetricHttpRoute": "/MinimalApiUsingMapGroup/{id}",
-  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRoute": "MinimalApiUsingMapGroup/{id}",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/MinimalApiUsingMapGroup/123",
@@ -1237,7 +1282,8 @@
 ```json
 {
   "MetricHttpRoute": "/Exception",
-  "IdealHttpRoute": "/Exception",
+  "IdealHttpRoute": "Exception",
+  "IdealHttpRouteMatch": false,
   "RouteInfo": {
     "HttpMethod": "GET",
     "Path": "/Exception",
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
index 87990cb65d..263057d3b1 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/RoutingTestCases.json
@@ -157,9 +157,9 @@
     "httpMethod": "GET",
     "path": "/",
     "expectedStatusCode": 200,
-    "currentHttpRoute": "",
-    "expectedHttpRoute": "/Index",
-    "expectedMetricRoute": "/"
+    "currentHttpRoute": null,
+    "currentMetricRoute": "/",
+    "expectedHttpRoute": "Index"
   },
   {
     "name": "Index page",

From 49b93a12cb79761a0c6814dd5897fe630a1a6d2e Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Thu, 6 Nov 2025 10:11:19 +0000
Subject: [PATCH 14/15] update changelog

---
 src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index b452bdf469..103fc1f04d 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -5,9 +5,9 @@
 * Add support for .NET 10.0.
   ([#2822](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2822))
 
-* Fixes an issue where `http.route` attribute reported only a plain route
-  template for some routing options. Therefore, the HTTP span display name
-  has been also changed to a more meaningful value.
+* Fixes an issue where the http.route attribute on HTTP server spans reported
+  only a plain route template for some routing options. Therefore, the HTTP server span
+  display name has also been changed to a more meaningful value.
   ([#3338](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/3338))
 
 ## 1.13.0

From 5bfe512a7ac5dc26e9d0c3f964c50f9d72f39233 Mon Sep 17 00:00:00 2001
From: Rasmus Kuusmann <rkuusmann@splunk.com>
Date: Thu, 6 Nov 2025 10:16:56 +0000
Subject: [PATCH 15/15] fix line length

---
 src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index 103fc1f04d..7cef43f729 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -6,8 +6,8 @@
   ([#2822](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2822))
 
 * Fixes an issue where the http.route attribute on HTTP server spans reported
-  only a plain route template for some routing options. Therefore, the HTTP server span
-  display name has also been changed to a more meaningful value.
+  only a plain route template for some routing options. Therefore, the HTTP
+  server span display name has also been changed to a more meaningful value.
   ([#3338](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/3338))
 
 ## 1.13.0