/*
* Copyright (C) 2012-2013 Facebook, Inc.
*
* 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.
*/
package com.facebook.nifty.core;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TMessage;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TTransport;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.testng.annotations.Test;
import java.nio.ByteBuffer;
import static org.testng.Assert.assertEquals;
public class TestNiftyTransport
{
@Test
public void testReadByteCounter() throws TException
{
ChannelBuffer firstChunk = writeFirstChunk(new TChannelBufferOutputTransport()).getOutputBuffer();
int firstChunkSize = firstChunk.readableBytes();
ChannelBuffer secondChunk = writeSecondChunk(new TChannelBufferOutputTransport()).getOutputBuffer();
int secondChunkSize = secondChunk.readableBytes();
TNiftyTransport inputTransport = new TNiftyTransport(null,
ChannelBuffers.wrappedBuffer(firstChunk, secondChunk),
ThriftTransportType.UNFRAMED);
TBinaryProtocol inputProtocol = new TBinaryProtocol(inputTransport);
assertEquals(inputTransport.getReadByteCount(), 0, "No bytes should have been read yet");
readFirstChunk(inputProtocol);
assertEquals(inputTransport.getReadByteCount(), firstChunkSize, "Should have read all bytes from first chunk");
readSecondChunk(inputProtocol);
assertEquals(inputTransport.getReadByteCount(), firstChunkSize + secondChunkSize, "Should have read all bytes from second chunk");
}
@Test
public void testWriteByteCounter() throws TException
{
ChannelBuffer firstChunk = writeFirstChunk(new TChannelBufferOutputTransport()).getOutputBuffer();
int firstChunkSize = firstChunk.readableBytes();
ChannelBuffer secondChunk = writeSecondChunk(new TChannelBufferOutputTransport()).getOutputBuffer();
int secondChunkSize = secondChunk.readableBytes();
TNiftyTransport outputTransport = new TNiftyTransport(null, ChannelBuffers.buffer(0), ThriftTransportType.UNFRAMED);
writeFirstChunk(outputTransport);
assertEquals(outputTransport.getWrittenByteCount(), firstChunkSize);
writeSecondChunk(outputTransport);
assertEquals(outputTransport.getWrittenByteCount(), firstChunkSize + secondChunkSize);
}
private <T extends TTransport> T writeFirstChunk(T outTransport) throws TException
{
TProtocol outProtocol = new TBinaryProtocol(outTransport);
outProtocol.writeMessageBegin(new TMessage());
outProtocol.writeString("hello world");
return outTransport;
}
private <T extends TTransport> T writeSecondChunk(T outTransport) throws TException
{
TProtocol outProtocol = new TBinaryProtocol(outTransport);
outProtocol.writeI32(111);
outProtocol.writeBinary(ByteBuffer.wrap(new byte[10]));
return outTransport;
}
private void readFirstChunk(TProtocol inProtocol) throws TException
{
inProtocol.readMessageBegin();
inProtocol.readString();
}
private void readSecondChunk(TProtocol inProtocol) throws TException
{
inProtocol.readI32();
inProtocol.readBinary();
}
}