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

#region Copyright notice and license

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// modification, are permitted provided that the following conditions are
// met:
//
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// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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#endregion

using System;
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 Grpc.Core.Tests
{
    public class PerformanceTest
    {
        const string Host = "127.0.0.1";

        MockServiceHelper helper;
        Server server;
        Channel channel;

        [SetUp]
        public void Init()
        {
            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) =>
            {
                return request;
            });

            var callDetails = helper.CreateUnaryCall();
            for(int i = 0; i < 3000; i++)
            {
                Calls.BlockingUnaryCall(callDetails, "ABC");
            }

            profiler.Reset();

            for(int i = 0; i < 3000; i++)
            {
                Calls.BlockingUnaryCall(callDetails, "ABC");
            }
            profiler.Dump("latency_trace_csharp.txt");
        }
    }
}