mirror of https://github.com/grpc/grpc.git
Jan Tattermusch
9 years ago
parent
ee8d6a381a
commit
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11 changed files with 273 additions and 69 deletions
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#region Copyright notice and license |
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|
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// Copyright 2015, Google Inc. |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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#endregion |
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using System; |
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using System.Collections.Generic; |
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using System.Diagnostics; |
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using System.IO; |
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using System.Linq; |
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using System.Threading; |
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using System.Threading.Tasks; |
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using Grpc.Core; |
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using Grpc.Core.Internal; |
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using Grpc.Core.Utils; |
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using NUnit.Framework; |
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namespace Grpc.Core.Tests |
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{ |
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public class MarshallingErrorsTest |
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{ |
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const string Host = "127.0.0.1"; |
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MockServiceHelper helper; |
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Server server; |
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Channel channel; |
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[SetUp] |
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public void Init() |
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{ |
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var marshaller = new Marshaller<string>( |
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(str) => |
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{ |
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if (str == "UNSERIALIZABLE_VALUE") |
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{ |
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// Google.Protobuf throws exception inherited from IOException |
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throw new IOException("Error serializing the message."); |
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} |
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return System.Text.Encoding.UTF8.GetBytes(str); |
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}, |
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(payload) => |
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{ |
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var s = System.Text.Encoding.UTF8.GetString(payload); |
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if (s == "UNPARSEABLE_VALUE") |
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{ |
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// Google.Protobuf throws exception inherited from IOException |
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throw new IOException("Error parsing the message."); |
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} |
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return s; |
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}); |
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helper = new MockServiceHelper(Host, marshaller); |
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server = helper.GetServer(); |
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server.Start(); |
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channel = helper.GetChannel(); |
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} |
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[TearDown] |
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public void Cleanup() |
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{ |
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channel.ShutdownAsync().Wait(); |
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server.ShutdownAsync().Wait(); |
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} |
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[Test] |
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public void ResponseParsingError_UnaryResponse() |
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{ |
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helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) => |
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{ |
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return Task.FromResult("UNPARSEABLE_VALUE"); |
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}); |
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var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "REQUEST")); |
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Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode); |
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} |
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[Test] |
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public void ResponseParsingError_StreamingResponse() |
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{ |
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helper.ServerStreamingHandler = new ServerStreamingServerMethod<string, string>(async (request, responseStream, context) => |
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{ |
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await responseStream.WriteAsync("UNPARSEABLE_VALUE"); |
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await Task.Delay(10000); |
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}); |
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var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), "REQUEST"); |
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var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext()); |
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Assert.AreEqual(StatusCode.Internal, ex.Status.StatusCode); |
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} |
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[Test] |
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public void RequestParsingError_UnaryRequest() |
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{ |
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helper.UnaryHandler = new UnaryServerMethod<string, string>((request, context) => |
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{ |
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return Task.FromResult("RESPONSE"); |
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}); |
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var ex = Assert.Throws<RpcException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "UNPARSEABLE_VALUE")); |
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// Spec doesn't define the behavior. With the current implementation server handler throws exception which results in StatusCode.Unknown. |
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Assert.AreEqual(StatusCode.Unknown, ex.Status.StatusCode); |
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} |
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[Test] |
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public async Task RequestParsingError_StreamingRequest() |
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{ |
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helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) => |
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{ |
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Assert.Throws<IOException>(async () => await requestStream.MoveNext()); |
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return "RESPONSE"; |
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}); |
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var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall()); |
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await call.RequestStream.WriteAsync("UNPARSEABLE_VALUE"); |
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Assert.AreEqual("RESPONSE", await call); |
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} |
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[Test] |
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public void RequestSerializationError_BlockingUnary() |
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{ |
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Assert.Throws<IOException>(() => Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE")); |
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} |
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[Test] |
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public void RequestSerializationError_AsyncUnary() |
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{ |
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Assert.Throws<IOException>(async () => await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "UNSERIALIZABLE_VALUE")); |
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} |
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[Test] |
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public async Task RequestSerializationError_ClientStreaming() |
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{ |
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helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) => |
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{ |
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CollectionAssert.AreEqual(new [] {"A", "B"}, await requestStream.ToListAsync()); |
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return "RESPONSE"; |
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}); |
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var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall()); |
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await call.RequestStream.WriteAsync("A"); |
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Assert.Throws<IOException>(async () => await call.RequestStream.WriteAsync("UNSERIALIZABLE_VALUE")); |
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await call.RequestStream.WriteAsync("B"); |
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await call.RequestStream.CompleteAsync(); |
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Assert.AreEqual("RESPONSE", await call); |
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} |
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} |
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} |
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