src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs

#region Copyright notice and license

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//
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// copyright notice, this list of conditions and the following disclaimer
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#endregion

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using grpc.testing;
using Grpc.Core;
using Grpc.Core.Utils;
using NUnit.Framework;

namespace Grpc.IntegrationTesting
{
    /// <summary>
    /// Test SSL credentials where server authenticates client 
    /// and client authenticates the server.
    /// </summary>
    public class SslCredentialsTest
    {
        string host = "localhost";
        Server server;
        Channel channel;
        TestService.ITestServiceClient client;

        [TestFixtureSetUp]
        public void Init()
        {
            var rootCert = File.ReadAllText(TestCredentials.ClientCertAuthorityPath);
            var keyCertPair = new KeyCertificatePair(
                File.ReadAllText(TestCredentials.ServerCertChainPath),
                File.ReadAllText(TestCredentials.ServerPrivateKeyPath));

            var serverCredentials = new SslServerCredentials(new[] { keyCertPair }, rootCert);
            var clientCredentials = new SslCredentials(rootCert, keyCertPair);

            server = new Server();
            server.AddServiceDefinition(TestService.BindService(new TestServiceImpl()));
            int port = server.AddListeningPort(host, Server.PickUnusedPort, serverCredentials);
            server.Start();

            var options = new List<ChannelOption>
            {
                new ChannelOption(ChannelOptions.SslTargetNameOverride, TestCredentials.DefaultHostOverride)
            };

            channel = new Channel(host, port, clientCredentials, options);
            client = TestService.NewClient(channel);
        }

        [TestFixtureTearDown]
        public void Cleanup()
        {
            channel.Dispose();
            server.ShutdownAsync().Wait();
            GrpcEnvironment.Shutdown();
        }

        [Test]
        public void AuthenticatedClientAndServer()
        {
            var response = client.UnaryCall(SimpleRequest.CreateBuilder().SetResponseSize(10).Build());
            Assert.AreEqual(10, response.Payload.Body.Length);
        }
    }
}