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#region Copyright notice and license
// Copyright 2018 The 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.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Grpc.Core;
using Grpc.Core.Internal;
using Grpc.Core.Utils;
using NUnit.Framework;
namespace Grpc.Core.Tests
{
public class ContextualMarshallerTest
{
const string Host = "127.0.0.1";
MockServiceHelper helper;
Server server;
Channel channel;
[SetUp]
public void Init()
{
var contextualMarshaller = new Marshaller<string>(
(str, serializationContext) =>
{
if (str == "UNSERIALIZABLE_VALUE")
{
// Google.Protobuf throws exception inherited from IOException
throw new IOException("Error serializing the message.");
}
if (str == "SERIALIZE_TO_NULL")
{
return;
}
var bytes = System.Text.Encoding.UTF8.GetBytes(str);
serializationContext.Complete(bytes);
},
(deserializationContext) =>
{
var buffer = deserializationContext.PayloadAsNewBuffer();
Assert.AreEqual(buffer.Length, deserializationContext.PayloadLength);
var s = System.Text.Encoding.UTF8.GetString(buffer);
if (s == "UNPARSEABLE_VALUE")
{
// Google.Protobuf throws exception inherited from IOException
throw new IOException("Error parsing the message.");
}
return s;
});
helper = new MockServiceHelper(Host, contextualMarshaller);
server = helper.GetServer();
server.Start();
channel = helper.GetChannel();
}
[TearDown]
public void Cleanup()
{
channel.ShutdownAsync().Wait();
server.ShutdownAsync().Wait();
}
[Test]
public void UnaryCall()
{
helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) =>
{
return Task.FromResult(request);
});
Assert.AreEqual("ABC", Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "ABC"));
}
[Test]
public void ResponseParsingError_UnaryResponse()
{
helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) =>
{
return Task.FromResult("UNPARSEABLE_VALUE");
});
var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "REQUEST"));
Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode);
}
[Test]
public void RequestSerializationError_BlockingUnary()
{
Assert.Throws<IOException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE"));
}
[Test]
public void SerializationResultIsNull_BlockingUnary()
{
Assert.Throws<NullReferenceException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "SERIALIZE_TO_NULL"));
}
}
}
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