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#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.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using CommandLine;
using Google.Apis.Auth.OAuth2;
using Google.Protobuf;
using Grpc.Auth;
using Grpc.Core;
using Grpc.Core.Utils;
using Grpc.Testing;
using NUnit.Framework;
using CommandLine.Text;
using System.IO;
namespace Grpc.IntegrationTesting
{
public class InteropClient
{
private class ClientOptions
{
[Option("server_host", DefaultValue = "127.0.0.1")]
public string ServerHost { get; set; }
[Option("server_host_override", DefaultValue = TestCredentials.DefaultHostOverride)]
public string ServerHostOverride { get; set; }
[Option("server_port", Required = true)]
public int ServerPort { get; set; }
[Option("test_case", DefaultValue = "large_unary")]
public string TestCase { get; set; }
[Option("use_tls")]
public bool UseTls { get; set; }
[Option("use_test_ca")]
public bool UseTestCa { get; set; }
[Option("default_service_account", Required = false)]
public string DefaultServiceAccount { get; set; }
[Option("oauth_scope", Required = false)]
public string OAuthScope { get; set; }
[Option("service_account_key_file", Required = false)]
public string ServiceAccountKeyFile { get; set; }
[HelpOption]
public string GetUsage()
{
var help = new HelpText
{
Heading = "gRPC C# interop testing client",
AddDashesToOption = true
};
help.AddPreOptionsLine("Usage:");
help.AddOptions(this);
return help;
}
}
ClientOptions options;
private InteropClient(ClientOptions options)
{
this.options = options;
}
public static void Run(string[] args)
{
var options = new ClientOptions();
if (!Parser.Default.ParseArguments(args, options))
{
Environment.Exit(1);
}
var interopClient = new InteropClient(options);
interopClient.Run().Wait();
}
private async Task Run()
{
var credentials = options.UseTls ? TestCredentials.CreateTestClientCredentials(options.UseTestCa) : Credentials.Insecure;
List<ChannelOption> channelOptions = null;
if (!string.IsNullOrEmpty(options.ServerHostOverride))
{
channelOptions = new List<ChannelOption>
{
new ChannelOption(ChannelOptions.SslTargetNameOverride, options.ServerHostOverride)
};
}
Console.WriteLine(options.ServerHost);
Console.WriteLine(options.ServerPort);
var channel = new Channel(options.ServerHost, options.ServerPort, credentials, channelOptions);
TestService.TestServiceClient client = new TestService.TestServiceClient(channel);
await RunTestCaseAsync(client, options);
channel.ShutdownAsync().Wait();
}
private async Task RunTestCaseAsync(TestService.TestServiceClient client, ClientOptions options)
{
switch (options.TestCase)
{
case "empty_unary":
RunEmptyUnary(client);
break;
case "large_unary":
RunLargeUnary(client);
break;
case "client_streaming":
await RunClientStreamingAsync(client);
break;
case "server_streaming":
await RunServerStreamingAsync(client);
break;
case "ping_pong":
await RunPingPongAsync(client);
break;
case "empty_stream":
await RunEmptyStreamAsync(client);
break;
case "compute_engine_creds":
await RunComputeEngineCredsAsync(client, options.DefaultServiceAccount, options.OAuthScope);
break;
case "jwt_token_creds":
await RunJwtTokenCredsAsync(client, options.DefaultServiceAccount);
break;
case "oauth2_auth_token":
await RunOAuth2AuthTokenAsync(client, options.DefaultServiceAccount, options.OAuthScope);
break;
case "per_rpc_creds":
await RunPerRpcCredsAsync(client, options.DefaultServiceAccount, options.OAuthScope);
break;
case "cancel_after_begin":
await RunCancelAfterBeginAsync(client);
break;
case "cancel_after_first_response":
await RunCancelAfterFirstResponseAsync(client);
break;
case "timeout_on_sleeping_server":
await RunTimeoutOnSleepingServerAsync(client);
break;
case "benchmark_empty_unary":
RunBenchmarkEmptyUnary(client);
break;
default:
throw new ArgumentException("Unknown test case " + options.TestCase);
}
}
public static void RunEmptyUnary(TestService.ITestServiceClient client)
{
Console.WriteLine("running empty_unary");
var response = client.EmptyCall(new Empty());
Assert.IsNotNull(response);
Console.WriteLine("Passed!");
}
public static void RunLargeUnary(TestService.ITestServiceClient client)
{
Console.WriteLine("running large_unary");
var request = new SimpleRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var response = client.UnaryCall(request);
Assert.AreEqual(PayloadType.COMPRESSABLE, response.Payload.Type);
Assert.AreEqual(314159, response.Payload.Body.Length);
Console.WriteLine("Passed!");
}
public static async Task RunClientStreamingAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running client_streaming");
var bodySizes = new List<int> { 27182, 8, 1828, 45904 }.ConvertAll((size) => new StreamingInputCallRequest { Payload = CreateZerosPayload(size) });
using (var call = client.StreamingInputCall())
{
await call.RequestStream.WriteAllAsync(bodySizes);
var response = await call.ResponseAsync;
Assert.AreEqual(74922, response.AggregatedPayloadSize);
}
Console.WriteLine("Passed!");
}
public static async Task RunServerStreamingAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running server_streaming");
var bodySizes = new List<int> { 31415, 9, 2653, 58979 };
var request = new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { bodySizes.ConvertAll((size) => new ResponseParameters { Size = size }) }
};
using (var call = client.StreamingOutputCall(request))
{
var responseList = await call.ResponseStream.ToListAsync();
foreach (var res in responseList)
{
Assert.AreEqual(PayloadType.COMPRESSABLE, res.Payload.Type);
}
CollectionAssert.AreEqual(bodySizes, responseList.ConvertAll((item) => item.Payload.Body.Length));
}
Console.WriteLine("Passed!");
}
public static async Task RunPingPongAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running ping_pong");
using (var call = client.FullDuplexCall())
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(PayloadType.COMPRESSABLE, call.ResponseStream.Current.Payload.Type);
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { new ResponseParameters { Size = 9 } },
Payload = CreateZerosPayload(8)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(PayloadType.COMPRESSABLE, call.ResponseStream.Current.Payload.Type);
Assert.AreEqual(9, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { new ResponseParameters { Size = 2653 } },
Payload = CreateZerosPayload(1828)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(PayloadType.COMPRESSABLE, call.ResponseStream.Current.Payload.Type);
Assert.AreEqual(2653, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { new ResponseParameters { Size = 58979 } },
Payload = CreateZerosPayload(45904)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(PayloadType.COMPRESSABLE, call.ResponseStream.Current.Payload.Type);
Assert.AreEqual(58979, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.CompleteAsync();
Assert.IsFalse(await call.ResponseStream.MoveNext());
}
Console.WriteLine("Passed!");
}
public static async Task RunEmptyStreamAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running empty_stream");
using (var call = client.FullDuplexCall())
{
await call.RequestStream.CompleteAsync();
var responseList = await call.ResponseStream.ToListAsync();
Assert.AreEqual(0, responseList.Count);
}
Console.WriteLine("Passed!");
}
public static async Task RunComputeEngineCredsAsync(TestService.TestServiceClient client, string defaultServiceAccount, string oauthScope)
{
Console.WriteLine("running compute_engine_creds");
var credential = await GoogleCredential.GetApplicationDefaultAsync();
Assert.IsFalse(credential.IsCreateScopedRequired);
client.HeaderInterceptor = AuthInterceptors.FromCredential(credential);
var request = new SimpleRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
FillUsername = true,
FillOauthScope = true
};
var response = client.UnaryCall(request);
Assert.AreEqual(PayloadType.COMPRESSABLE, response.Payload.Type);
Assert.AreEqual(314159, response.Payload.Body.Length);
Assert.False(string.IsNullOrEmpty(response.OauthScope));
Assert.True(oauthScope.Contains(response.OauthScope));
Assert.AreEqual(defaultServiceAccount, response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunJwtTokenCredsAsync(TestService.TestServiceClient client, string defaultServiceAccount)
{
Console.WriteLine("running jwt_token_creds");
var credential = await GoogleCredential.GetApplicationDefaultAsync();
Assert.IsTrue(credential.IsCreateScopedRequired);
client.HeaderInterceptor = AuthInterceptors.FromCredential(credential);
var request = new SimpleRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
FillUsername = true,
};
var response = client.UnaryCall(request);
Assert.AreEqual(PayloadType.COMPRESSABLE, response.Payload.Type);
Assert.AreEqual(314159, response.Payload.Body.Length);
Assert.AreEqual(defaultServiceAccount, response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunOAuth2AuthTokenAsync(TestService.TestServiceClient client, string defaultServiceAccount, string oauthScope)
{
Console.WriteLine("running oauth2_auth_token");
ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
string oauth2Token = await credential.GetAccessTokenForRequestAsync();
client.HeaderInterceptor = AuthInterceptors.FromAccessToken(oauth2Token);
var request = new SimpleRequest
{
FillUsername = true,
FillOauthScope = true
};
var response = client.UnaryCall(request);
Assert.False(string.IsNullOrEmpty(response.OauthScope));
Assert.True(oauthScope.Contains(response.OauthScope));
Assert.AreEqual(defaultServiceAccount, response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunPerRpcCredsAsync(TestService.TestServiceClient client, string defaultServiceAccount, string oauthScope)
{
Console.WriteLine("running per_rpc_creds");
ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
string accessToken = await credential.GetAccessTokenForRequestAsync();
var headerInterceptor = AuthInterceptors.FromAccessToken(accessToken);
var request = new SimpleRequest
{
FillUsername = true,
};
var headers = new Metadata();
headerInterceptor(null, "", headers);
var response = client.UnaryCall(request, headers: headers);
Assert.AreEqual(defaultServiceAccount, response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunCancelAfterBeginAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running cancel_after_begin");
var cts = new CancellationTokenSource();
using (var call = client.StreamingInputCall(cancellationToken: cts.Token))
{
// TODO(jtattermusch): we need this to ensure call has been initiated once we cancel it.
await Task.Delay(1000);
cts.Cancel();
var ex = Assert.Throws<RpcException>(async () => await call.ResponseAsync);
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
Console.WriteLine("Passed!");
}
public static async Task RunCancelAfterFirstResponseAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running cancel_after_first_response");
var cts = new CancellationTokenSource();
using (var call = client.FullDuplexCall(cancellationToken: cts.Token))
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseType = PayloadType.COMPRESSABLE,
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(PayloadType.COMPRESSABLE, call.ResponseStream.Current.Payload.Type);
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
cts.Cancel();
var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
Console.WriteLine("Passed!");
}
public static async Task RunTimeoutOnSleepingServerAsync(TestService.ITestServiceClient client)
{
Console.WriteLine("running timeout_on_sleeping_server");
var deadline = DateTime.UtcNow.AddMilliseconds(1);
using (var call = client.FullDuplexCall(deadline: deadline))
{
try
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest { Payload = CreateZerosPayload(27182) });
}
catch (InvalidOperationException)
{
// Deadline was reached before write has started. Eat the exception and continue.
}
var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.Status.StatusCode);
}
Console.WriteLine("Passed!");
}
// This is not an official interop test, but it's useful.
public static void RunBenchmarkEmptyUnary(TestService.ITestServiceClient client)
{
BenchmarkUtil.RunBenchmark(10000, 10000,
() => { client.EmptyCall(new Empty()); });
}
private static Payload CreateZerosPayload(int size)
{
return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
}
}
}
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