renderers/ofoverlay/src/test/java/org/opendaylight/groupbasedpolicy/renderer/ofoverlay/arp/ArpResolverUtilsTest.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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
   9 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.arp;
  10
  11 import java.net.InetAddress;
  12
  13 import org.junit.Assert;
  14 import org.junit.Rule;
  15 import org.junit.Test;
  16 import org.junit.rules.ExpectedException;
  17 import org.opendaylight.controller.liblldp.EtherTypes;
  18 import org.opendaylight.controller.liblldp.Ethernet;
  19 import org.opendaylight.controller.liblldp.HexEncode;
  20 import org.opendaylight.controller.liblldp.PacketException;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  23
  24 public class ArpResolverUtilsTest {
  25
  26     @Test
  27     public void getArpFromTest() throws Exception {
  28
  29         Arp arp = new Arp();
  30         byte[] sha = HexEncode.bytesFromHexString("00:00:00:00:00:01");
  31         byte[] spa = InetAddress.getByName("192.168.0.1").getAddress();
  32         byte[] tha = HexEncode.bytesFromHexString("00:00:00:00:00:02");
  33         byte[] tpa = InetAddress.getByName("192.168.0.2").getAddress();
  34         int htype = 1;
  35         int ptype = EtherTypes.IPv4.intValue();
  36         short hlen = 6;
  37         short plen = 4;
  38         int operation = 1;
  39
  40         arp.setSenderHardwareAddress(sha);
  41         arp.setSenderProtocolAddress(spa);
  42         arp.setTargetHardwareAddress(tha);
  43         arp.setTargetProtocolAddress(tpa);
  44         arp.setOperation(operation);
  45         arp.setHardwareLength(hlen);
  46         arp.setProtocolLength(plen);
  47         arp.setHardwareType(htype);
  48         arp.setProtocolType(ptype);
  49
  50         Ethernet arpFrame = new Ethernet().setSourceMACAddress(sha)
  51             .setDestinationMACAddress(tha)
  52             .setEtherType(EtherTypes.ARP.shortValue());
  53         arpFrame.setPayload(arp);
  54         PacketReceived packet = new PacketReceivedBuilder().setPayload(arpFrame.serialize()).build();
  55         Arp arpOut = ArpResolverUtils.getArpFrom(packet);
  56         Assert.assertEquals(arp, arpOut);
  57     }
  58
  59     @Rule public ExpectedException e = ExpectedException.none();
  60     @Test
  61     public void getArpFromTest_notArpPacket() throws PacketException {
  62         byte[] payload = {0xb, 0xe, 0xe, 0xf};
  63         PacketReceived packet = new PacketReceivedBuilder().setPayload(payload).build();
  64         e.expect(PacketException.class);
  65         ArpResolverUtils.getArpFrom(packet);
  66     }
  67 }