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Diffstat (limited to 'src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs')
| -rw-r--r-- | src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs new file mode 100644 index 0000000000..83707e0c6d --- /dev/null +++ b/src/csharp/Grpc.Core.Tests/MarshallingErrorsTest.cs @@ -0,0 +1,176 @@ +#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.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.Throws<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) => + { + Assert.Throws<IOException>(async () => await requestStream.MoveNext()); + 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.Throws<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.Throws<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE")); + await call.RequestStream.WriteAsync("B"); + await call.RequestStream.CompleteAsync(); + + Assert.AreEqual("RESPONSE", await call); + } + } +} |