/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.mina.filter.codec.textline;
import java.net.SocketAddress;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.mina.common.ByteBuffer;
import org.apache.mina.common.IoFilterChain;
import org.apache.mina.common.IoHandler;
import org.apache.mina.common.IoService;
import org.apache.mina.common.IoServiceConfig;
import org.apache.mina.common.IoSession;
import org.apache.mina.common.IoSessionConfig;
import org.apache.mina.common.TransportType;
import org.apache.mina.common.support.BaseIoSession;
import org.apache.mina.filter.codec.ProtocolDecoderOutput;
import org.apache.mina.util.Queue;
/**
* Tests {@link TextLineDecoder}.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 500930 $, $Date: 2007-01-29 12:24:59 +0900 (월, 29 1월 2007) $
*/
public class TextLineDecoderTest extends TestCase
{
public static void main( String[] args )
{
junit.textui.TestRunner.run( TextLineDecoderTest.class );
}
public void testNormalDecode() throws Exception
{
TextLineDecoder decoder =
new TextLineDecoder(
Charset.forName( "UTF-8" ), LineDelimiter.WINDOWS );
CharsetEncoder encoder = Charset.forName( "UTF-8" ).newEncoder();
IoSession session = new DummySession();
TestDecoderOutput out = new TestDecoderOutput();
ByteBuffer in = ByteBuffer.allocate( 16 );
// Test one decode and one output
in.putString( "ABC\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 1, out.getMessageQueue().size() );
Assert.assertEquals( "ABC", out.getMessageQueue().pop() );
// Test two decode and one output
in.clear();
in.putString( "DEF", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "GHI\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 1, out.getMessageQueue().size() );
Assert.assertEquals( "DEFGHI", out.getMessageQueue().pop() );
// Test one decode and two output
in.clear();
in.putString( "JKL\r\nMNO\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 2, out.getMessageQueue().size() );
Assert.assertEquals( "JKL", out.getMessageQueue().pop() );
Assert.assertEquals( "MNO", out.getMessageQueue().pop() );
// Test splitted long delimiter
decoder = new TextLineDecoder(
Charset.forName( "UTF-8" ),
new LineDelimiter( "\n\n\n" ) );
in.clear();
in.putString( "PQR\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 1, out.getMessageQueue().size() );
Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
// Test splitted long delimiter which produces two output
decoder = new TextLineDecoder(
Charset.forName( "UTF-8" ),
new LineDelimiter( "\n\n\n" ) );
in.clear();
in.putString( "PQR\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\nSTU\n\n\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 2, out.getMessageQueue().size() );
Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
Assert.assertEquals( "STU", out.getMessageQueue().pop() );
// Test splitted long delimiter mixed with partial non-delimiter.
decoder = new TextLineDecoder(
Charset.forName( "UTF-8" ),
new LineDelimiter( "\n\n\n" ) );
in.clear();
in.putString( "PQR\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "X\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\n\nSTU\n\n\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 2, out.getMessageQueue().size() );
Assert.assertEquals( "PQR\nX", out.getMessageQueue().pop() );
Assert.assertEquals( "STU", out.getMessageQueue().pop() );
}
public void testAutoDecode() throws Exception
{
TextLineDecoder decoder =
new TextLineDecoder(
Charset.forName( "UTF-8" ), LineDelimiter.AUTO );
CharsetEncoder encoder = Charset.forName( "UTF-8" ).newEncoder();
IoSession session = new DummySession();
TestDecoderOutput out = new TestDecoderOutput();
ByteBuffer in = ByteBuffer.allocate( 16 );
// Test one decode and one output
in.putString( "ABC\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 1, out.getMessageQueue().size() );
Assert.assertEquals( "ABC", out.getMessageQueue().pop() );
// Test two decode and one output
in.clear();
in.putString( "DEF", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "GHI\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 1, out.getMessageQueue().size() );
Assert.assertEquals( "DEFGHI", out.getMessageQueue().pop() );
// Test one decode and two output
in.clear();
in.putString( "JKL\r\nMNO\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 2, out.getMessageQueue().size() );
Assert.assertEquals( "JKL", out.getMessageQueue().pop() );
Assert.assertEquals( "MNO", out.getMessageQueue().pop() );
// Test multiple '\n's
in.clear();
in.putString( "\n\n\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 3, out.getMessageQueue().size() );
Assert.assertEquals( "", out.getMessageQueue().pop() );
Assert.assertEquals( "", out.getMessageQueue().pop() );
Assert.assertEquals( "", out.getMessageQueue().pop() );
// Test splitted long delimiter (\r\r\n)
in.clear();
in.putString( "PQR\r", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\r", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 1, out.getMessageQueue().size() );
Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
// Test splitted long delimiter (\r\r\n) which produces two output
in.clear();
in.putString( "PQR\r", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\r", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\nSTU\r\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 2, out.getMessageQueue().size() );
Assert.assertEquals( "PQR", out.getMessageQueue().pop() );
Assert.assertEquals( "STU", out.getMessageQueue().pop() );
// Test splitted long delimiter mixed with partial non-delimiter.
in.clear();
in.putString( "PQR\r", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "X\r", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 0, out.getMessageQueue().size() );
in.clear();
in.putString( "\r\nSTU\r\r\n", encoder );
in.flip();
decoder.decode( session, in, out );
Assert.assertEquals( 2, out.getMessageQueue().size() );
Assert.assertEquals( "PQR\rX", out.getMessageQueue().pop() );
Assert.assertEquals( "STU", out.getMessageQueue().pop() );
}
private static class DummySession extends BaseIoSession
{
protected void updateTrafficMask()
{
}
public IoService getService()
{
return null;
}
public IoServiceConfig getServiceConfig()
{
return null;
}
public IoHandler getHandler()
{
return null;
}
public IoFilterChain getFilterChain()
{
return null;
}
public TransportType getTransportType()
{
return null;
}
public SocketAddress getRemoteAddress()
{
return null;
}
public SocketAddress getLocalAddress()
{
return null;
}
public int getScheduledWriteRequests()
{
return 0;
}
public IoSessionConfig getConfig()
{
return null;
}
public SocketAddress getServiceAddress()
{
return null;
}
public int getScheduledWriteBytes()
{
return 0;
}
}
private static class TestDecoderOutput implements ProtocolDecoderOutput
{
private Queue messageQueue = new Queue();
public void write( Object message )
{
messageQueue.push( message );
}
public Queue getMessageQueue()
{
return messageQueue;
}
public void flush()
{
}
}
}