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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.Reflection;
using Grpc.Reflection.V1Alpha;
using NUnit.Framework;
namespace Grpc.Reflection.Tests
{
/// <summary>
/// Reflection client talks to reflection server.
/// </summary>
public class ReflectionClientServerTest
{
const string Host = "localhost";
Server server;
Channel channel;
ServerReflection.ServerReflectionClient client;
ReflectionServiceImpl serviceImpl;
[TestFixtureSetUp]
public void Init()
{
serviceImpl = new ReflectionServiceImpl(ServerReflection.Descriptor);
// Disable SO_REUSEPORT to prevent https://github.com/grpc/grpc/issues/10755
server = new Server(new[] { new ChannelOption(ChannelOptions.SoReuseport, 0) })
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{
Services = { ServerReflection.BindService(serviceImpl) },
Ports = { { Host, ServerPort.PickUnused, ServerCredentials.Insecure } }
};
server.Start();
channel = new Channel(Host, server.Ports.Single().BoundPort, ChannelCredentials.Insecure);
client = new ServerReflection.ServerReflectionClient(channel);
}
[TestFixtureTearDown]
public void Cleanup()
{
channel.ShutdownAsync().Wait();
server.ShutdownAsync().Wait();
}
[Test]
public async Task FileByFilename_NotFound()
{
var response = await SingleRequestAsync(new ServerReflectionRequest
{
FileByFilename = "somepackage/nonexistent.proto"
});
Assert.AreEqual((int)StatusCode.NotFound, response.ErrorResponse.ErrorCode);
}
[Test]
public async Task FileByFilename()
{
var response = await SingleRequestAsync(new ServerReflectionRequest
{
FileByFilename = "grpc/reflection/v1alpha/reflection.proto"
});
Assert.AreEqual(1, response.FileDescriptorResponse.FileDescriptorProto.Count);
Assert.AreEqual(ReflectionReflection.Descriptor.SerializedData, response.FileDescriptorResponse.FileDescriptorProto[0]);
}
[Test]
public async Task FileContainingSymbol()
{
var response = await SingleRequestAsync(new ServerReflectionRequest
{
FileContainingSymbol = "grpc.reflection.v1alpha.ServerReflection"
});
Assert.AreEqual(1, response.FileDescriptorResponse.FileDescriptorProto.Count);
Assert.AreEqual(ReflectionReflection.Descriptor.SerializedData, response.FileDescriptorResponse.FileDescriptorProto[0]);
}
[Test]
public async Task FileContainingSymbol_NotFound()
{
var response = await SingleRequestAsync(new ServerReflectionRequest
{
FileContainingSymbol = "somepackage.Nonexistent"
});
Assert.AreEqual((int)StatusCode.NotFound, response.ErrorResponse.ErrorCode);
}
[Test]
public async Task ListServices()
{
var response = await SingleRequestAsync(new ServerReflectionRequest
{
ListServices = ""
});
Assert.AreEqual(1, response.ListServicesResponse.Service.Count);
Assert.AreEqual(ServerReflection.Descriptor.FullName, response.ListServicesResponse.Service[0].Name);
}
[Test]
public async Task FileContainingExtension()
{
var response = await SingleRequestAsync(new ServerReflectionRequest
{
FileContainingExtension = new ExtensionRequest()
});
Assert.AreEqual((int)StatusCode.Unimplemented, response.ErrorResponse.ErrorCode);
}
private async Task<ServerReflectionResponse> SingleRequestAsync(ServerReflectionRequest request)
{
var call = client.ServerReflectionInfo();
await call.RequestStream.WriteAsync(request);
Assert.IsTrue(await call.ResponseStream.MoveNext());
var response = call.ResponseStream.Current;
await call.RequestStream.CompleteAsync();
Assert.IsFalse(await call.ResponseStream.MoveNext());
return response;
}
}
}