extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/ArpShaCodecTest.java

   1 /*
   2  * Copyright (c) 2016 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 package org.opendaylight.openflowjava.nx.codec.match;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.ByteBufAllocator;
  14 import org.junit.Before;
  15 import org.junit.Test;
  16 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  17 import org.opendaylight.openflowjava.util.ByteBufUtils;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxArpSha;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.arp.sha.grouping.ArpShaValuesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpShaCaseValue;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpShaCaseValueBuilder;
  26
  27 public class ArpShaCodecTest {
  28
  29     ArpShaCodec arpShaCodec;
  30     ByteBuf buffer;
  31     MatchEntry input;
  32
  33     private static final int VALUE_LENGTH = 6;
  34     private static final int NXM_FIELD_CODE = 17;
  35
  36     private static byte[] resAddress = new byte[VALUE_LENGTH];
  37     private static final MacAddress RESULT_ADDRESS = new MacAddress(ByteBufUtils.macAddressToString(resAddress));
  38
  39
  40     @Before
  41     public void setUp() {
  42         arpShaCodec = new ArpShaCodec();
  43         buffer = ByteBufAllocator.DEFAULT.buffer();
  44     }
  45
  46
  47     @Test
  48     public void serializeTest() {
  49         input = createMatchEntry();
  50         arpShaCodec.serialize(input, buffer);
  51
  52         assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
  53         short fieldMask = buffer.readUnsignedByte();
  54         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  55         assertEquals(0, fieldMask & 1);
  56         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  57         assertEquals(RESULT_ADDRESS, ByteBufUtils.readIetfMacAddress(buffer));
  58     }
  59
  60     @Test
  61     public void deserializeTest() {
  62         createBuffer(buffer);
  63
  64         input = arpShaCodec.deserialize(buffer);
  65
  66         final ArpShaCaseValue result = (ArpShaCaseValue) input.getMatchEntryValue();
  67
  68         assertEquals(Nxm1Class.class, input.getOxmClass());
  69         assertEquals(NxmNxArpSha.class, input.getOxmMatchField());
  70         assertEquals(false, input.isHasMask());
  71         assertEquals(RESULT_ADDRESS, result.getArpShaValues().getMacAddress());
  72     }
  73
  74
  75     private MatchEntry createMatchEntry() {
  76         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  77         final ArpShaCaseValueBuilder caseBuilder = new ArpShaCaseValueBuilder();
  78         final ArpShaValuesBuilder valuesBuilder = new ArpShaValuesBuilder();
  79
  80         matchEntryBuilder.setOxmClass(Nxm1Class.class);
  81         matchEntryBuilder.setOxmMatchField(NxmNxArpSha.class);
  82         matchEntryBuilder.setHasMask(false);
  83
  84
  85         byte[] address = new byte[VALUE_LENGTH];
  86
  87         valuesBuilder.setMacAddress(new MacAddress(ByteBufUtils.macAddressToString(address)));
  88
  89         caseBuilder.setArpShaValues(valuesBuilder.build());
  90         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  91         return matchEntryBuilder.build();
  92     }
  93
  94     private void createBuffer(ByteBuf message) {
  95         message.writeShort(OxmMatchConstants.NXM_1_CLASS);
  96
  97         int fieldMask = NXM_FIELD_CODE << 1;
  98         message.writeByte(fieldMask);
  99         message.writeByte(VALUE_LENGTH);
 100         message.writeBytes(resAddress);
 101     }
 102 }