Removed Moq dependency from Instrumentation.AspNetCore.Tests

test/OpenTelemetry.Instrumentation.AspNetCore.Tests/BasicTests.cs

@@ -24,7 +24,6 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-using Moq;
 using OpenTelemetry.Context.Propagation;
 using OpenTelemetry.Instrumentation.AspNetCore.Implementation;
 using OpenTelemetry.Tests;
@@ -205,22 +204,17 @@ public async Task CustomPropagator(bool addSampler)
             var expectedTraceId = ActivityTraceId.CreateRandom();
             var expectedSpanId = ActivitySpanId.CreateRandom();
 
-            var propagator = new Mock<TextMapPropagator>();
-            propagator.Setup(m => m.Extract(It.IsAny<PropagationContext>(), It.IsAny<HttpRequest>(), It.IsAny<Func<HttpRequest, string, IEnumerable<string>>>())).Returns(
-                new PropagationContext(
-                    new ActivityContext(
-                        expectedTraceId,
-                        expectedSpanId,
-                        ActivityTraceFlags.Recorded),
-                    default));
+            var propagator = new CustomTextMapPropagator();
+            propagator.ExtractValues.Add(expectedTraceId.ToString());
+            propagator.ExtractValues.Add(expectedSpanId.ToString());
 
             // Arrange
             using (var testFactory = this.factory
                 .WithWebHostBuilder(builder =>
                     {
                         builder.ConfigureTestServices(services =>
                         {
-                            Sdk.SetDefaultTextMapPropagator(propagator.Object);
+                            Sdk.SetDefaultTextMapPropagator(propagator);
                             var tracerProviderBuilder = Sdk.CreateTracerProviderBuilder();
 
                             if (addSampler)

test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj

@@ -10,7 +10,6 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
-    <PackageReference Include="Moq" />
     <PackageReference Include="xunit" />
     <PackageReference Include="xunit.runner.visualstudio" PrivateAssets="All">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
@@ -33,8 +32,10 @@
   </ItemGroup>
 
   <ItemGroup>
+    <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\CustomTextMapPropagator.cs" Link="Includes\CustomTextMapPropagator.cs" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\EventSourceTestHelper.cs" Link="Includes\EventSourceTestHelper.cs" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\InMemoryEventListener.cs" Link="Includes\InMemoryEventListener.cs" />
+    <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\PropagationContextEventArgs.cs" Link="Includes\PropagationContextEventArgs.cs" />
     <Compile Include="$(RepoRoot)\test\OpenTelemetry.Tests\Shared\TestEventListener.cs" Link="Includes\TestEventListener.cs" />
   </ItemGroup>
 

test/OpenTelemetry.Tests/Shared/CustomTextMapPropagator.cs

@@ -0,0 +1,57 @@
+// <copyright file="CustomTextMapPropagator.cs" company="OpenTelemetry Authors">
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+
+using System.Diagnostics;
+using OpenTelemetry.Context.Propagation;
+
+namespace OpenTelemetry.Tests;
+
+internal sealed class CustomTextMapPropagator : TextMapPropagator
+{
+#pragma warning disable SA1010
+    public List<string> ExtractValues = [];
+    public Dictionary<string, Func<PropagationContext, string>> InjectValues = [];
+    private static readonly PropagationContext DefaultPropagationContext = default;
+
+    public event EventHandler<PropagationContextEventArgs> Injected;
+
+    public override ISet<string> Fields => null;
+
+    public override PropagationContext Extract<T>(PropagationContext context, T carrier, Func<T, string, IEnumerable<string>> getter)
+    {
+        if (this.ExtractValues.Count == 2)
+        {
+            return new PropagationContext(
+                new ActivityContext(
+                    ActivityTraceId.CreateFromString(this.ExtractValues[0].ToCharArray()),
+                    ActivitySpanId.CreateFromString(this.ExtractValues[1].ToCharArray()),
+                    ActivityTraceFlags.Recorded),
+                default);
+        }
+
+        return DefaultPropagationContext;
+    }
+
+    public override void Inject<T>(PropagationContext context, T carrier, Action<T, string, string> setter)
+    {
+        foreach (var kv in this.InjectValues)
+        {
+            setter(carrier, kv.Key, kv.Value.Invoke(context));
+        }
+
+        this.Injected?.Invoke(this, new PropagationContextEventArgs(context));
+    }
+}

test/OpenTelemetry.Tests/Shared/PropagationContextEventArgs.cs

@@ -0,0 +1,24 @@
+// <copyright file="PropagationContextEventArgs.cs" company="OpenTelemetry Authors">
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+
+using OpenTelemetry.Context.Propagation;
+
+namespace OpenTelemetry.Tests;
+
+internal class PropagationContextEventArgs(PropagationContext context) : EventArgs
+{
+    public PropagationContext Context { get; private set; } = context;
+}