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+#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.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Grpc.Core;
+using Grpc.Health.V1Alpha;
+using NUnit.Framework;
+
+namespace Grpc.HealthCheck.Tests
+{
+ /// <summary>
+ /// Health client talks to health server.
+ /// </summary>
+ public class HealthClientServerTest
+ {
+ const string Host = "localhost";
+ Server server;
+ Channel channel;
+ Grpc.Health.V1Alpha.Health.IHealthClient client;
+ Grpc.HealthCheck.HealthServiceImpl serviceImpl;
+
+ [TestFixtureSetUp]
+ public void Init()
+ {
+ serviceImpl = new HealthServiceImpl();
+
+ server = new Server();
+ server.AddServiceDefinition(Grpc.Health.V1Alpha.Health.BindService(serviceImpl));
+ int port = server.AddListeningPort(Host, Server.PickUnusedPort);
+ server.Start();
+ channel = new Channel(Host, port);
+
+ client = Grpc.Health.V1Alpha.Health.NewStub(channel);
+ }
+
+ [TestFixtureTearDown]
+ public void Cleanup()
+ {
+ channel.Dispose();
+
+ server.ShutdownAsync().Wait();
+ GrpcEnvironment.Shutdown();
+ }
+
+ [Test]
+ public void ServiceIsRunning()
+ {
+ serviceImpl.SetStatus("", "", HealthCheckResponse.Types.ServingStatus.SERVING);
+
+ var response = client.Check(HealthCheckRequest.CreateBuilder().SetHost("").SetService("").Build());
+ Assert.AreEqual(HealthCheckResponse.Types.ServingStatus.SERVING, response.Status);
+ }
+
+ [Test]
+ public void ServiceDoesntExist()
+ {
+ // TODO(jtattermusch): currently, this returns wrong status code, because we don't enable sending arbitrary status code from
+ // server handlers yet.
+ Assert.Throws(typeof(RpcException), () => client.Check(HealthCheckRequest.CreateBuilder().SetHost("").SetService("nonexistent.service").Build()));
+ }
+
+ // TODO(jtattermusch): add test with timeout once timeouts are supported
+ }
+} \ No newline at end of file