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NettyServerTest.java
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NettyServerTest.java
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/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.bolt.v1.transport;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.net.InetSocketAddress;
import java.nio.channels.ServerSocketChannel;
import java.util.Map;
import org.neo4j.bolt.transport.NettyServer;
import org.neo4j.helpers.ListenSocketAddress;
import org.neo4j.helpers.NamedThreadFactory;
import org.neo4j.helpers.PortBindException;
import org.neo4j.kernel.api.bolt.BoltPortRegister;
import org.neo4j.kernel.configuration.BoltConnector;
import static org.neo4j.helpers.collection.MapUtil.genericMap;
public class NettyServerTest
{
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void shouldGivePortConflictErrorWithPortNumberInIt() throws Throwable
{
// Given an occupied port
int port = 16000;
try ( ServerSocketChannel ignore = ServerSocketChannel.open().bind( new InetSocketAddress( "localhost", port ) ) )
{
final ListenSocketAddress address = new ListenSocketAddress( "localhost", port );
// Expect
exception.expect( PortBindException.class );
exception.expectMessage( "Address localhost:16000 is already in use" );
// When
Map<BoltConnector,NettyServer.ProtocolInitializer> initializersMap =
genericMap( new BoltConnector( "test" ), protocolOnAddress( address ) );
new NettyServer( new NamedThreadFactory( "mythreads" ), initializersMap,
new BoltPortRegister() ).start();
}
}
private NettyServer.ProtocolInitializer protocolOnAddress( final ListenSocketAddress address )
{
return new NettyServer.ProtocolInitializer()
{
@Override
public ChannelInitializer<SocketChannel> channelInitializer()
{
return new ChannelInitializer<SocketChannel>()
{
@Override
public void initChannel( SocketChannel ch ) throws Exception
{
}
};
}
@Override
public ListenSocketAddress address()
{
return address;
}
};
}
}