/*
* 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.common;
import java.net.SocketAddress;
import java.util.Iterator;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.mina.common.IoFilter.WriteRequest;
import org.apache.mina.common.IoFilterChain.Entry;
import org.apache.mina.common.support.AbstractIoFilterChain;
import org.apache.mina.common.support.BaseIoSession;
/**
* Tests {@link AbstractIoFilterChain}.
*
* @author The Apache Directory Project (mina-dev@directory.apache.org)
* @version $Rev: 451854 $, $Date: 2006-10-02 11:30:11 +0900 (월, 02 10월 2006) $
*/
public class IoFilterChainTest extends TestCase
{
private IoFilterChainImpl chain;
private IoSession session;
private String result;
public void setUp()
{
chain = new IoFilterChainImpl();
session = new TestSession();
result = "";
}
public void tearDown()
{
}
public void testAdd() throws Exception
{
chain.addFirst( "A", new EventOrderTestFilter( 'A' ) );
chain.addLast( "B", new EventOrderTestFilter( 'A' ) );
chain.addFirst( "C", new EventOrderTestFilter( 'A' ) );
chain.addLast( "D", new EventOrderTestFilter( 'A' ) );
chain.addBefore( "B", "E", new EventOrderTestFilter( 'A' ) );
chain.addBefore( "C", "F", new EventOrderTestFilter( 'A' ) );
chain.addAfter( "B", "G", new EventOrderTestFilter( 'A' ) );
chain.addAfter( "D", "H", new EventOrderTestFilter( 'A' ) );
String actual = "";
for( Iterator i = chain.getAll().iterator(); i.hasNext(); )
{
Entry e = ( Entry ) i.next();
actual += e.getName();
}
Assert.assertEquals( "FCAEBGDH", actual );
}
public void testGet() throws Exception
{
IoFilter filterA = new IoFilterAdapter();
IoFilter filterB = new IoFilterAdapter();
IoFilter filterC = new IoFilterAdapter();
IoFilter filterD = new IoFilterAdapter();
chain.addFirst( "A", filterA );
chain.addLast( "B", filterB );
chain.addBefore( "B", "C", filterC );
chain.addAfter( "A", "D", filterD );
Assert.assertSame( filterA, chain.get( "A" ) );
Assert.assertSame( filterB, chain.get( "B" ) );
Assert.assertSame( filterC, chain.get( "C" ) );
Assert.assertSame( filterD, chain.get( "D" ) );
}
public void testRemove() throws Exception
{
chain.addLast( "A", new EventOrderTestFilter( 'A' ) );
chain.addLast( "B", new EventOrderTestFilter( 'A' ) );
chain.addLast( "C", new EventOrderTestFilter( 'A' ) );
chain.addLast( "D", new EventOrderTestFilter( 'A' ) );
chain.addLast( "E", new EventOrderTestFilter( 'A' ) );
chain.remove( "A" );
chain.remove( "E" );
chain.remove( "C" );
chain.remove( "B" );
chain.remove( "D" );
Assert.assertEquals( 0, chain.getAll().size() );
}
public void testClear() throws Exception
{
chain.addLast( "A", new EventOrderTestFilter( 'A' ) );
chain.addLast( "B", new EventOrderTestFilter( 'A' ) );
chain.addLast( "C", new EventOrderTestFilter( 'A' ) );
chain.addLast( "D", new EventOrderTestFilter( 'A' ) );
chain.addLast( "E", new EventOrderTestFilter( 'A' ) );
chain.clear();
Assert.assertEquals( 0, chain.getAll().size() );
}
public void testToString() throws Exception
{
// When the chain is empty
Assert.assertEquals( "{ empty }", chain.toString() );
// When there's one filter
chain.addLast( "A", new IoFilterAdapter()
{
public String toString()
{
return "B";
}
} );
Assert.assertEquals( "{ (A:B) }", chain.toString() );
// When there are two
chain.addLast( "C", new IoFilterAdapter()
{
public String toString()
{
return "D";
}
} );
Assert.assertEquals( "{ (A:B), (C:D) }", chain.toString() );
}
public void testDefault()
{
run( "HS0 HSO HMR HMS HSI HEC HSC" );
}
public void testChained() throws Exception
{
chain.addLast( "A", new EventOrderTestFilter( 'A' ) );
chain.addLast( "B", new EventOrderTestFilter( 'B' ) );
run( "AS0 BS0 HS0" +
"ASO BSO HSO" +
"AMR BMR HMR" +
"BFW AFW AMS BMS HMS" +
"ASI BSI HSI" +
"AEC BEC HEC" +
"ASC BSC HSC" );
}
public void testAddRemove() throws Exception
{
IoFilter filter = new AddRemoveTestFilter();
chain.addFirst( "A", filter );
assertEquals( "ADDED", result );
chain.remove( "A" );
assertEquals( "ADDEDREMOVED", result );
}
private void run( String expectedResult )
{
chain.fireSessionCreated( session );
chain.fireSessionOpened( session );
chain.fireMessageReceived( session, new Object() );
chain.fireFilterWrite( session, new WriteRequest( new Object() ) );
chain.fireSessionIdle( session, IdleStatus.READER_IDLE );
chain.fireExceptionCaught( session, new Exception() );
chain.fireSessionClosed( session );
result = formatResult( result );
expectedResult = formatResult( expectedResult );
System.out.println( "Expected: " + expectedResult );
System.out.println( "Actual: " + result );
Assert.assertEquals( expectedResult, result );
}
private String formatResult( String result )
{
result = result.replaceAll( "\\s", "" );
StringBuffer buf = new StringBuffer( result.length() * 4 / 3 );
for( int i = 0; i < result.length(); i++ )
{
buf.append( result.charAt( i ) );
if( i % 3 == 2 )
{
buf.append(' ');
}
}
return buf.toString();
}
private class TestSession extends BaseIoSession implements IoSession
{
private IoHandler handler = new IoHandlerAdapter()
{
public void sessionCreated(IoSession session) {
result += "HS0";
}
public void sessionOpened(IoSession session) {
result += "HSO";
}
public void sessionClosed(IoSession session) {
result += "HSC";
}
public void sessionIdle(IoSession session, IdleStatus status) {
result += "HSI";
}
public void exceptionCaught(IoSession session, Throwable cause) {
result += "HEC";
if( cause.getClass() != Exception.class )
{
cause.printStackTrace( System.out );
}
}
public void messageReceived(IoSession session, Object message) {
result += "HMR";
}
public void messageSent(IoSession session, Object message) {
result += "HMS";
}
};
public IoHandler getHandler() {
return handler;
}
public CloseFuture close() {
return null;
}
public TransportType getTransportType() {
return TransportType.VM_PIPE;
}
public SocketAddress getRemoteAddress() {
return null;
}
public SocketAddress getLocalAddress() {
return null;
}
public IoFilterChain getFilterChain()
{
return new AbstractIoFilterChain( this )
{
protected void doWrite( IoSession session, WriteRequest writeRequest )
{
}
protected void doClose( IoSession session )
{
}
};
}
public int getScheduledWriteRequests()
{
return 0;
}
protected void updateTrafficMask()
{
}
public boolean isClosing()
{
return false;
}
public IoService getService()
{
return null;
}
public IoSessionConfig getConfig()
{
return null;
}
public SocketAddress getServiceAddress() {
return null;
}
public int getScheduledWriteBytes() {
return 0;
}
public IoServiceConfig getServiceConfig()
{
return null;
}
}
private class EventOrderTestFilter extends IoFilterAdapter
{
private final char id;
private EventOrderTestFilter( char id )
{
this.id = id;
}
public void sessionCreated( NextFilter nextFilter, IoSession session )
{
result += id + "S0";
nextFilter.sessionCreated( session );
}
public void sessionOpened( NextFilter nextFilter, IoSession session )
{
result += id + "SO";
nextFilter.sessionOpened( session );
}
public void sessionClosed(NextFilter nextFilter, IoSession session) {
result += id + "SC";
nextFilter.sessionClosed( session );
}
public void sessionIdle(NextFilter nextFilter, IoSession session, IdleStatus status) {
result += id + "SI";
nextFilter.sessionIdle( session, status );
}
public void exceptionCaught(NextFilter nextFilter, IoSession session, Throwable cause) {
result += id + "EC";
nextFilter.exceptionCaught( session, cause );
}
public void filterWrite(NextFilter nextFilter, IoSession session, WriteRequest writeRequest ) {
result += id + "FW";
nextFilter.filterWrite( session, writeRequest );
}
public void messageReceived(NextFilter nextFilter, IoSession session, Object message) {
result += id + "MR";
nextFilter.messageReceived( session, message );
}
public void messageSent(NextFilter nextFilter, IoSession session, Object message) {
result += id + "MS";
nextFilter.messageSent( session, message );
}
public void filterClose( NextFilter nextFilter, IoSession session ) throws Exception
{
nextFilter.filterClose( session );
}
}
private class AddRemoveTestFilter extends IoFilterAdapter
{
public void onPostAdd( IoFilterChain parent, String name, NextFilter nextFilter )
{
result += "ADDED";
}
public void onPostRemove( IoFilterChain parent, String name, NextFilter nextFilter )
{
result += "REMOVED";
}
}
private static class IoFilterChainImpl extends AbstractIoFilterChain
{
protected IoFilterChainImpl()
{
super( new 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;
}
public IoServiceConfig getServiceConfig()
{
return null;
}
} );
}
protected void doWrite( IoSession session, WriteRequest writeRequest )
{
fireMessageSent( session, writeRequest );
}
protected void doClose( IoSession session )
{
}
}
}