/*
* @(#) $Id: TextLineDecoderTest.java 391231 2006-04-04 06:21:55Z trustin $
*
* Copyright 2004 The Apache Software Foundation
*
* 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 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.IoSession;
import org.apache.mina.common.IoService;
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.support.SimpleProtocolDecoderOutput;
/**
* Tests {@link TextLineDecoder}.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 391231 $, $Date: 2006-04-04 15:21:55 +0900 (Tue, 04 Apr 2006) $
*/
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();
SimpleProtocolDecoderOutput out = new SimpleProtocolDecoderOutput();
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() );
}
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();
SimpleProtocolDecoderOutput out = new SimpleProtocolDecoderOutput();
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() );
}
private static class DummySession extends BaseIoSession
{
protected void updateTrafficMask()
{
}
public IoService getService()
{
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;
}
}
}