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Diffstat (limited to 'src/csharp/Grpc.Core.Tests/MockServiceHelper.cs')
| -rw-r--r-- | src/csharp/Grpc.Core.Tests/MockServiceHelper.cs | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core.Tests/MockServiceHelper.cs b/src/csharp/Grpc.Core.Tests/MockServiceHelper.cs new file mode 100644 index 0000000000..b642286b11 --- /dev/null +++ b/src/csharp/Grpc.Core.Tests/MockServiceHelper.cs @@ -0,0 +1,248 @@ +#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.Diagnostics; +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 +{ + /// <summary> + /// Allows setting up a mock service in the client-server tests easily. + /// </summary> + public class MockServiceHelper + { + public const string ServiceName = "tests.Test"; + + public static readonly Method<string, string> UnaryMethod = new Method<string, string>( + MethodType.Unary, + ServiceName, + "Unary", + Marshallers.StringMarshaller, + Marshallers.StringMarshaller); + + public static readonly Method<string, string> ClientStreamingMethod = new Method<string, string>( + MethodType.ClientStreaming, + ServiceName, + "ClientStreaming", + Marshallers.StringMarshaller, + Marshallers.StringMarshaller); + + public static readonly Method<string, string> ServerStreamingMethod = new Method<string, string>( + MethodType.ServerStreaming, + ServiceName, + "ServerStreaming", + Marshallers.StringMarshaller, + Marshallers.StringMarshaller); + + public static readonly Method<string, string> DuplexStreamingMethod = new Method<string, string>( + MethodType.DuplexStreaming, + ServiceName, + "DuplexStreaming", + Marshallers.StringMarshaller, + Marshallers.StringMarshaller); + + readonly string host; + readonly ServerServiceDefinition serviceDefinition; + + UnaryServerMethod<string, string> unaryHandler; + ClientStreamingServerMethod<string, string> clientStreamingHandler; + ServerStreamingServerMethod<string, string> serverStreamingHandler; + DuplexStreamingServerMethod<string, string> duplexStreamingHandler; + + Server server; + Channel channel; + + public MockServiceHelper(string host = null) + { + this.host = host ?? "localhost"; + + serviceDefinition = ServerServiceDefinition.CreateBuilder(ServiceName) + .AddMethod(UnaryMethod, (request, context) => unaryHandler(request, context)) + .AddMethod(ClientStreamingMethod, (requestStream, context) => clientStreamingHandler(requestStream, context)) + .AddMethod(ServerStreamingMethod, (request, responseStream, context) => serverStreamingHandler(request, responseStream, context)) + .AddMethod(DuplexStreamingMethod, (requestStream, responseStream, context) => duplexStreamingHandler(requestStream, responseStream, context)) + .Build(); + + var defaultStatus = new Status(StatusCode.Unknown, "Default mock implementation. Please provide your own."); + + unaryHandler = new UnaryServerMethod<string, string>(async (request, context) => + { + context.Status = defaultStatus; + return ""; + }); + + clientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) => + { + context.Status = defaultStatus; + return ""; + }); + + serverStreamingHandler = new ServerStreamingServerMethod<string, string>(async (request, responseStream, context) => + { + context.Status = defaultStatus; + }); + + duplexStreamingHandler = new DuplexStreamingServerMethod<string, string>(async (requestStream, responseStream, context) => + { + context.Status = defaultStatus; + }); + } + + /// <summary> + /// Returns the default server for this service and creates one if not yet created. + /// </summary> + public Server GetServer() + { + if (server == null) + { + server = new Server + { + Services = { serviceDefinition }, + Ports = { { Host, ServerPort.PickUnused, ServerCredentials.Insecure } } + }; + } + return server; + } + + /// <summary> + /// Returns the default channel for this service and creates one if not yet created. + /// </summary> + public Channel GetChannel() + { + if (channel == null) + { + channel = new Channel(Host, GetServer().Ports.Single().BoundPort, Credentials.Insecure); + } + return channel; + } + + public CallInvocationDetails<string, string> CreateUnaryCall(CallOptions options = null) + { + options = options ?? new CallOptions(); + return new CallInvocationDetails<string, string>(channel, UnaryMethod, options); + } + + public CallInvocationDetails<string, string> CreateClientStreamingCall(CallOptions options = null) + { + options = options ?? new CallOptions(); + return new CallInvocationDetails<string, string>(channel, ClientStreamingMethod, options); + } + + public CallInvocationDetails<string, string> CreateServerStreamingCall(CallOptions options = null) + { + options = options ?? new CallOptions(); + return new CallInvocationDetails<string, string>(channel, ServerStreamingMethod, options); + } + + public CallInvocationDetails<string, string> CreateDuplexStreamingCall(CallOptions options = null) + { + options = options ?? new CallOptions(); + return new CallInvocationDetails<string, string>(channel, DuplexStreamingMethod, options); + } + + public string Host + { + get + { + return this.host; + } + } + + public ServerServiceDefinition ServiceDefinition + { + get + { + return this.serviceDefinition; + } + } + + public UnaryServerMethod<string, string> UnaryHandler + { + get + { + return this.unaryHandler; + } + + set + { + unaryHandler = value; + } + } + + public ClientStreamingServerMethod<string, string> ClientStreamingHandler + { + get + { + return this.clientStreamingHandler; + } + + set + { + clientStreamingHandler = value; + } + } + + public ServerStreamingServerMethod<string, string> ServerStreamingHandler + { + get + { + return this.serverStreamingHandler; + } + + set + { + serverStreamingHandler = value; + } + } + + public DuplexStreamingServerMethod<string, string> DuplexStreamingHandler + { + get + { + return this.duplexStreamingHandler; + } + + set + { + duplexStreamingHandler = value; + } + } + } +} |