| #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")); |
| } |
| } |
| } |