LLDPTest.java

/**
 *    Copyright 2011, Big Switch Networks, Inc.
 *    Originally created by David Erickson, Stanford University
 *
 *    Licensed 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 net.onrc.onos.core.packet;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;

import org.junit.Test;

// CHECKSTYLE IGNORE WriteTag FOR NEXT 2 LINES
/**
 * @author David Erickson (daviderickson@cs.stanford.edu)
 */
public class LLDPTest {
    protected byte[] pkt = {0x01, 0x23, 0x20, 0x00, 0x00, 0x01,
            0x00, 0x12, (byte) 0xe2, 0x78, 0x67, 0x78,
            (byte) 0x88, (byte) 0xcc, 0x02, 0x07,
            0x04, 0x00, 0x12, (byte) 0xe2, 0x78, 0x67, 0x64,
            0x04, 0x03,
            0x02, 0x00, 0x06,
            0x06, 0x02,
            0x00, 0x78,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

    protected IPacket getPacket() {
        return new Ethernet()
                .setPad(true)
                .setDestinationMACAddress("01:23:20:00:00:01")
                .setSourceMACAddress("00:12:e2:78:67:78")
                .setEtherType(Ethernet.TYPE_LLDP)
                .setPayload(
                        new LLDP()
                        .setChassisId(new LLDPTLV().setType((byte) 1)
                                .setLength((short) 7)
                                .setValue(new byte[]{0x04, 0x00, 0x12, (byte) 0xe2, 0x78, 0x67, 0x64}))
                        .setPortId(new LLDPTLV().setType((byte) 2)
                                .setLength((short) 3)
                                .setValue(new byte[]{0x02, 0x00, 0x06}))
                        .setTtl(new LLDPTLV().setType((byte) 3)
                                .setLength((short) 2)
                                .setValue(new byte[]{0x00, 0x78}))

                );
    }

    @Test
    public void testSerialize() throws Exception {
        IPacket ethernet = getPacket();
        assertTrue(Arrays.equals(pkt, ethernet.serialize()));
    }

    @Test
    public void testDeserialize() throws Exception {
        Ethernet ethernet = (Ethernet) new Ethernet().deserialize(pkt, 0, pkt.length);
        ethernet.setPad(true);
        assertTrue(Arrays.equals(pkt, ethernet.serialize()));

        IPacket expected = getPacket();
        assertEquals(expected, ethernet);
    }
}