renderers/ofoverlay/src/test/java/org/opendaylight/groupbasedpolicy/renderer/ofoverlay/arp/ArpTest.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 import java.net.UnknownHostException;
  13 import java.util.Arrays;
  14
  15 import org.junit.Assert;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.opendaylight.controller.liblldp.EtherTypes;
  19 import org.opendaylight.controller.liblldp.HexEncode;
  20 import org.opendaylight.controller.liblldp.Packet;
  21 import org.opendaylight.controller.liblldp.PacketException;
  22
  23 import com.google.common.primitives.Ints;
  24
  25 public class ArpTest {
  26
  27     private byte[] sha;
  28     private byte[] spa;
  29     private byte[] tha;
  30     private byte[] tpa;
  31     private int htype;
  32     private int ptype;
  33     private short hlen;
  34     private short plen;
  35     private int operation;
  36     private Arp arp;
  37
  38     @Before
  39     public void init() throws UnknownHostException {
  40         sha = HexEncode.bytesFromHexString("00:00:00:00:00:01");
  41         spa = InetAddress.getByName("192.168.0.1").getAddress();
  42         tha = HexEncode.bytesFromHexString("00:00:00:00:00:02");
  43         tpa = InetAddress.getByName("192.168.0.2").getAddress();
  44         htype = 2;
  45         ptype = EtherTypes.IPv6.intValue();
  46         hlen = 6;
  47         plen = 4;
  48         operation = 32;
  49
  50         arp = new Arp();
  51
  52         arp.setSenderHardwareAddress(sha);
  53         arp.setSenderProtocolAddress(spa);
  54         arp.setTargetHardwareAddress(tha);
  55         arp.setTargetProtocolAddress(tpa);
  56         arp.setOperation(operation);
  57         arp.setHardwareLength(hlen);
  58         arp.setProtocolLength(plen);
  59         arp.setHardwareType(htype);
  60         arp.setProtocolType(ptype);
  61     }
  62
  63     @Test
  64     public void ArpConstructionTest() throws Exception {
  65
  66         Assert.assertArrayEquals(sha, arp.getSenderHardwareAddress());
  67         Assert.assertArrayEquals(tha, arp.getTargetHardwareAddress());
  68         Assert.assertArrayEquals(spa, arp.getSenderProtocolAddress());
  69         Assert.assertArrayEquals(tpa, arp.getTargetProtocolAddress());
  70         Assert.assertEquals(operation, arp.getOperation());
  71         Assert.assertEquals(hlen, arp.getHardwareLength());
  72         Assert.assertEquals(plen, arp.getProtocolLength());
  73         Assert.assertEquals(htype, arp.getHardwareType());
  74         Assert.assertEquals(ptype, arp.getProtocolType());
  75     }
  76
  77     @Test
  78     public void serializeTest() throws PacketException {
  79         byte[] output = arp.serialize();
  80         Assert.assertEquals(htype, Ints.fromBytes((byte) 0, (byte) 0, output[0], output[1]));
  81         Assert.assertEquals(ptype, Ints.fromBytes((byte) 0, (byte) 0, output[2], output[3]));
  82         Assert.assertEquals(hlen, output[4]);
  83         Assert.assertEquals(plen, output[5]);
  84         Assert.assertEquals(operation, Ints.fromBytes((byte) 0, (byte) 0, output[6], output[7]));
  85         Assert.assertArrayEquals(sha, Arrays.copyOfRange(output, 8, 14));
  86         Assert.assertArrayEquals(spa, Arrays.copyOfRange(output, 14, 18));
  87         Assert.assertArrayEquals(tha, Arrays.copyOfRange(output, 18, 24));
  88         Assert.assertArrayEquals(tpa, Arrays.copyOfRange(output, 24, 28));
  89     }
  90
  91     @Test
  92     public void deserializeTest() throws PacketException {
  93         byte[] output = arp.serialize();
  94         Packet packet = arp.deserialize(output, 0, 28);
  95         Assert.assertTrue(packet instanceof Arp);
  96         Arp newArp = (Arp) packet;
  97         Assert.assertArrayEquals(sha, newArp.getSenderHardwareAddress());
  98         Assert.assertArrayEquals(tha, newArp.getTargetHardwareAddress());
  99         Assert.assertArrayEquals(spa, newArp.getSenderProtocolAddress());
 100         Assert.assertArrayEquals(tpa, newArp.getTargetProtocolAddress());
 101         Assert.assertEquals(operation, newArp.getOperation());
 102         Assert.assertEquals(hlen, newArp.getHardwareLength());
 103         Assert.assertEquals(plen, newArp.getProtocolLength());
 104         Assert.assertEquals(htype, newArp.getHardwareType());
 105         Assert.assertEquals(ptype, newArp.getProtocolType());
 106     }
 107 }