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#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.Diagnostics;
using System.Linq;
using System.Text;
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 CompressionTest
{
MockServiceHelper helper;
Server server;
Channel channel;
[SetUp]
public void Init()
{
helper = new MockServiceHelper();
server = helper.GetServer();
server.Start();
channel = helper.GetChannel();
}
[TearDown]
public void Cleanup()
{
channel.ShutdownAsync().Wait();
server.ShutdownAsync().Wait();
}
[Test]
public void WriteOptions_Unary()
{
helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
{
context.WriteOptions = new WriteOptions(WriteFlags.NoCompress);
return request;
});
var callOptions = new CallOptions(writeOptions: new WriteOptions(WriteFlags.NoCompress));
Calls.BlockingUnaryCall(helper.CreateUnaryCall(callOptions), "abc");
}
[Test]
public async Task WriteOptions_DuplexStreaming()
{
helper.DuplexStreamingHandler = new DuplexStreamingServerMethod<string, string>(async (requestStream, responseStream, context) =>
{
await requestStream.ToListAsync();
context.WriteOptions = new WriteOptions(WriteFlags.NoCompress);
await context.WriteResponseHeadersAsync(new Metadata { { "ascii-header", "abcdefg" } });
await responseStream.WriteAsync("X");
responseStream.WriteOptions = null;
await responseStream.WriteAsync("Y");
responseStream.WriteOptions = new WriteOptions(WriteFlags.NoCompress);
await responseStream.WriteAsync("Z");
});
var callOptions = new CallOptions(writeOptions: new WriteOptions(WriteFlags.NoCompress));
var call = Calls.AsyncDuplexStreamingCall(helper.CreateDuplexStreamingCall(callOptions));
// check that write options from call options are propagated to request stream.
Assert.IsTrue((call.RequestStream.WriteOptions.Flags & WriteFlags.NoCompress) != 0);
call.RequestStream.WriteOptions = new WriteOptions();
await call.RequestStream.WriteAsync("A");
call.RequestStream.WriteOptions = null;
await call.RequestStream.WriteAsync("B");
call.RequestStream.WriteOptions = new WriteOptions(WriteFlags.NoCompress);
await call.RequestStream.WriteAsync("C");
await call.RequestStream.CompleteAsync();
await call.ResponseStream.ToListAsync();
}
[Test]
public void CanReadCompressedMessages()
{
var compressionMetadata = new Metadata
{
{ new Metadata.Entry(Metadata.CompressionRequestAlgorithmMetadataKey, "gzip") }
};
helper.UnaryHandler = new UnaryServerMethod<string, string>(async (req, context) =>
{
await context.WriteResponseHeadersAsync(compressionMetadata);
return req;
});
var stringBuilder = new StringBuilder();
for (int i = 0; i < 200000; i++)
{
stringBuilder.Append('a');
}
var request = stringBuilder.ToString();
var response = Calls.BlockingUnaryCall(helper.CreateUnaryCall(new CallOptions(compressionMetadata)), request);
Assert.AreEqual(request, response);
}
}
}
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