Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Core.Tests/PerformanceTest.cs

Index: third_party/grpc/src/csharp/Grpc.Core.Tests/PerformanceTest.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf.JsonDump/Program.cs b/third_party/grpc/src/csharp/Grpc.Core.Tests/PerformanceTest.cs
similarity index 51%
copy from third_party/protobuf/csharp/src/Google.Protobuf.JsonDump/Program.cs
copy to third_party/grpc/src/csharp/Grpc.Core.Tests/PerformanceTest.cs
index e8a6073e2bcb6b6f47dafb1f67f31de9b4a8671a..68158399921ccc05df412eb27708050082be5ef6 100644
--- a/third_party/protobuf/csharp/src/Google.Protobuf.JsonDump/Program.cs
+++ b/third_party/grpc/src/csharp/Grpc.Core.Tests/PerformanceTest.cs
@@ -1,7 +1,7 @@
 #region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+
+// 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
@@ -28,45 +28,72 @@
 // 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.IO;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Internal;
+using Grpc.Core.Profiling;
+using Grpc.Core.Utils;
+using NUnit.Framework;
 
-namespace Google.Protobuf.ProtoDump
+namespace Grpc.Core.Tests
 {
-    /// <summary>
-    /// Small utility to load a binary message and dump it in JSON format.
-    /// </summary>
-    internal class Program
+    public class PerformanceTest
     {
-        private static int Main(string[] args)
+        const string Host = "127.0.0.1";
+
+        MockServiceHelper helper;
+        Server server;
+        Channel channel;
+
+        [SetUp]
+        public void Init()
         {
-            if (args.Length != 2)
-            {
-                Console.Error.WriteLine("Usage: Google.Protobuf.JsonDump <descriptor type name> <input data>");
-                Console.Error.WriteLine("The descriptor type name is the fully-qualified message name,");
-                Console.Error.WriteLine("including assembly e.g. ProjectNamespace.Message,Company.Project");
-                return 1;
-            }
-            Type type = Type.GetType(args[0]);
-            if (type == null)
+            helper = new MockServiceHelper(Host);
+            server = helper.GetServer();
+            server.Start();
+            channel = helper.GetChannel();
+        }
+
+        [TearDown]
+        public void Cleanup()
+        {
+            channel.ShutdownAsync().Wait();
+            server.ShutdownAsync().Wait();
+        }
+            
+        [Test]
+        [Category("Performance")]
+        [Ignore("Prevent running on Jenkins")]
+        public void UnaryCallPerformance()
+        {
+            var profiler = new BasicProfiler();
+            Profilers.SetForCurrentThread(profiler);
+
+            helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
             {
-                Console.Error.WriteLine("Unable to load type {0}.", args[0]);
-                return 1;
-            }
-            if (!typeof(IMessage).IsAssignableFrom(type))
+                return request;
+            });
+
+            var callDetails = helper.CreateUnaryCall();
+            for(int i = 0; i < 3000; i++)
             {
-                Console.Error.WriteLine("Type {0} doesn't implement IMessage.", args[0]);
-                return 1;
+                Calls.BlockingUnaryCall(callDetails, "ABC");
             }
-            IMessage message = (IMessage) Activator.CreateInstance(type);
-            using (var input = File.OpenRead(args[1]))
+
+            profiler.Reset();
+
+            for(int i = 0; i < 3000; i++)
             {
-                message.MergeFrom(input);
+                Calls.BlockingUnaryCall(callDetails, "ABC");
             }
-            Console.WriteLine(message);
-            return 0;
+            profiler.Dump("latency_trace_csharp.txt");
         }
     }
-}
+}