openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/core/OFDatagramPacketHandlerTest.java

   1 /*
   2  * Copyright (c) 2014 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowjava.protocol.impl.core;
   9
  10 import static org.mockito.Mockito.when;
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.channel.Channel;
  13 import io.netty.channel.ChannelHandlerContext;
  14 import io.netty.channel.socket.DatagramPacket;
  15
  16 import java.net.InetSocketAddress;
  17 import java.util.ArrayList;
  18 import java.util.List;
  19
  20 import org.junit.Assert;
  21 import org.junit.Before;
  22 import org.junit.Test;
  23 import org.mockito.Mock;
  24 import org.mockito.MockitoAnnotations;
  25 import org.opendaylight.openflowjava.protocol.api.connection.SwitchConnectionHandler;
  26 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  27 import org.opendaylight.openflowjava.protocol.impl.core.connection.MessageConsumer;
  28 import org.opendaylight.openflowjava.util.ByteBufUtils;
  29
  30 /**
  31  * @author madamjak
  32  *
  33  */
  34 public class OFDatagramPacketHandlerTest {
  35     @Mock ChannelHandlerContext ctxMock;
  36     @Mock SwitchConnectionHandler switchConnHandler;
  37     @Mock MessageConsumer consumerMock;
  38     @Mock Channel channelMock;
  39
  40     @Before
  41     public void startUp(){
  42         MockitoAnnotations.initMocks(this);
  43         when(ctxMock.channel()).thenReturn(channelMock);
  44     }
  45
  46     /**
  47      * Test {@link OFDatagramPacketHandler}
  48      */
  49     @Test
  50     public void test(){
  51         OFDatagramPacketHandler handler = new OFDatagramPacketHandler(switchConnHandler);
  52         byte version = EncodeConstants.OF13_VERSION_ID;
  53         ByteBuf messageBuffer = ByteBufUtils.hexStringToByteBuf("04 02 00 08 01 02 03 04");
  54         InetSocketAddress recipientISA = InetSocketAddress.createUnresolved("localhost", 9876);
  55         InetSocketAddress senderISA = InetSocketAddress.createUnresolved("192.168.15.24", 21021);
  56         DatagramPacket datagramPacket = new DatagramPacket(messageBuffer, recipientISA, senderISA);
  57         UdpConnectionMap.addConnection(datagramPacket.sender(), consumerMock);
  58         List<Object> outList = new ArrayList<>();
  59         try {
  60             handler.decode(ctxMock, datagramPacket, outList);
  61         } catch (Exception e) {
  62             Assert.fail("Wrong - Unexcepted exception occurred");
  63         }
  64         VersionMessageUdpWrapper versionUdpWrapper = (VersionMessageUdpWrapper) outList.get(0);
  65         Assert.assertEquals("Wrong - incorrect version has been decoded",version, versionUdpWrapper.getVersion());
  66         Assert.assertEquals("Wrong - sender addresses are different", senderISA, versionUdpWrapper.getAddress());
  67         messageBuffer.readerIndex(1);
  68         Assert.assertEquals("Wrong - undecoded part of input ByteBuff is differnt to output",0, messageBuffer.compareTo(versionUdpWrapper.getMessageBuffer()));
  69     }
  70 }