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#region Copyright notice and license
// Copyright 2015 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#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) })
{
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;
}
}
}
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