| #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.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 MarshallingErrorsTest |
| { |
| const string Host = "127.0.0.1"; |
| |
| MockServiceHelper helper; |
| Server server; |
| Channel channel; |
| |
| [SetUp] |
| public void Init() |
| { |
| var marshaller = new Marshaller<string>( |
| (str) => |
| { |
| if (str == "UNSERIALIZABLE_VALUE") |
| { |
| // Google.Protobuf throws exception inherited from IOException |
| throw new IOException("Error serializing the message."); |
| } |
| return System.Text.Encoding.UTF8.GetBytes(str); |
| }, |
| (payload) => |
| { |
| var s = System.Text.Encoding.UTF8.GetString(payload); |
| if (s == "UNPARSEABLE_VALUE") |
| { |
| // Google.Protobuf throws exception inherited from IOException |
| throw new IOException("Error parsing the message."); |
| } |
| return s; |
| }); |
| helper = new MockServiceHelper(Host, marshaller); |
| server = helper.GetServer(); |
| server.Start(); |
| channel = helper.GetChannel(); |
| } |
| |
| [TearDown] |
| public void Cleanup() |
| { |
| channel.ShutdownAsync().Wait(); |
| server.ShutdownAsync().Wait(); |
| } |
| |
| [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 ResponseParsingError_StreamingResponse() |
| { |
| helper.ServerStreamingHandler = new ServerStreamingServerMethod<string, string>(async (request, responseStream, context) => |
| { |
| await responseStream.WriteAsync("UNPARSEABLE_VALUE"); |
| await Task.Delay(10000); |
| }); |
| |
| var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), "REQUEST"); |
| var ex = Assert.ThrowsAsync<RpcException>(async () => await call.ResponseStream.MoveNext()); |
| Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode); |
| } |
| |
| [Test] |
| public void RequestParsingError_UnaryRequest() |
| { |
| helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) => |
| { |
| return Task.FromResult("RESPONSE"); |
| }); |
| |
| var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "UNPARSEABLE_VALUE")); |
| // Spec doesn't define the behavior. With the current implementation server handler throws exception which results in StatusCode.Unknown. |
| Assert.AreEqual(StatusCode.Unknown, ex.Status.StatusCode); |
| } |
| |
| [Test] |
| public async Task RequestParsingError_StreamingRequest() |
| { |
| helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) => |
| { |
| try |
| { |
| // cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock. |
| await requestStream.MoveNext(); |
| Assert.Fail(); |
| } |
| catch (IOException) |
| { |
| } |
| return "RESPONSE"; |
| }); |
| |
| var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall()); |
| await call.RequestStream.WriteAsync("UNPARSEABLE_VALUE"); |
| |
| Assert.AreEqual("RESPONSE", await call); |
| } |
| |
| [Test] |
| public void RequestSerializationError_BlockingUnary() |
| { |
| Assert.Throws<IOException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE")); |
| } |
| |
| [Test] |
| public void RequestSerializationError_AsyncUnary() |
| { |
| Assert.ThrowsAsync<IOException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE")); |
| } |
| |
| [Test] |
| public async Task RequestSerializationError_ClientStreaming() |
| { |
| helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) => |
| { |
| CollectionAssert.AreEqual(new[] { "A", "B" }, await requestStream.ToListAsync()); |
| return "RESPONSE"; |
| }); |
| var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall()); |
| await call.RequestStream.WriteAsync("A"); |
| Assert.ThrowsAsync<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE")); |
| await call.RequestStream.WriteAsync("B"); |
| await call.RequestStream.CompleteAsync(); |
| |
| Assert.AreEqual("RESPONSE", await call); |
| } |
| } |
| } |