Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs

Index: third_party/grpc/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
diff --git a/third_party/grpc/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs b/third_party/grpc/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
new file mode 100644
index 0000000000000000000000000000000000000000..1c8bfed1f6fc225a689bd260d570176951405f4b
--- /dev/null
+++ b/third_party/grpc/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
@@ -0,0 +1,119 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using Moq;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class MetadataCredentialsTest
+    {
+        const string Host = "localhost";
+        Server server;
+        Channel channel;
+        TestService.ITestServiceClient client;
+        List<ChannelOption> options;
+        Mock<TestService.ITestService> serviceMock;
+        AsyncAuthInterceptor asyncAuthInterceptor;
+
+        [SetUp]
+        public void Init()
+        {
+            serviceMock = new Mock<TestService.ITestService>();
+            serviceMock.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<ServerCallContext>()))
+                .Returns(new Func<SimpleRequest, ServerCallContext, Task<SimpleResponse>>(UnaryCallHandler));
+
+            server = new Server
+            {
+                Services = { TestService.BindService(serviceMock.Object) },
+                Ports = { { Host, ServerPort.PickUnused, TestCredentials.CreateSslServerCredentials() } }
+            };
+            server.Start();
+
+            options = new List<ChannelOption>
+            {
+                new ChannelOption(ChannelOptions.SslTargetNameOverride, TestCredentials.DefaultHostOverride)
+            };
+
+            asyncAuthInterceptor = new AsyncAuthInterceptor(async (context, metadata) =>
+            {
+                await Task.Delay(100).ConfigureAwait(false);  // make sure the operation is asynchronous.
+                metadata.Add("authorization", "SECRET_TOKEN");
+            });
+        }
+
+        [TearDown]
+        public void Cleanup()
+        {
+            channel.ShutdownAsync().Wait();
+            server.ShutdownAsync().Wait();
+        }
+
+        [Test]
+        public void MetadataCredentials()
+        {
+            var channelCredentials = ChannelCredentials.Create(TestCredentials.CreateSslCredentials(),
+                CallCredentials.FromInterceptor(asyncAuthInterceptor));
+            channel = new Channel(Host, server.Ports.Single().BoundPort, channelCredentials, options);
+            client = TestService.NewClient(channel);
+
+            client.UnaryCall(new SimpleRequest {});
+        }
+
+        [Test]
+        public void MetadataCredentials_PerCall()
+        {
+            channel = new Channel(Host, server.Ports.Single().BoundPort, TestCredentials.CreateSslCredentials(), options);
+            client = TestService.NewClient(channel);
+
+            var callCredentials = CallCredentials.FromInterceptor(asyncAuthInterceptor);
+            client.UnaryCall(new SimpleRequest { }, new CallOptions(credentials: callCredentials));
+        }
+
+        private Task<SimpleResponse> UnaryCallHandler(SimpleRequest request, ServerCallContext context)
+        {
+            var authToken = context.RequestHeaders.First((entry) => entry.Key == "authorization").Value;
+            Assert.AreEqual("SECRET_TOKEN", authToken);
+            return Task.FromResult(new SimpleResponse());
+        }
+    }
+}