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
   9 package org.opendaylight.openflowjava.nx.codec.match;
  10
  11 import static org.junit.Assert.assertEquals;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.ByteBufAllocator;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  18 import org.opendaylight.openflowjava.util.ByteBufUtils;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxArpSha;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.arp.sha.grouping.ArpShaValuesBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpShaCaseValue;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpShaCaseValueBuilder;
  27
  28 public class ArpShaCodecTest {
  29
  30     ArpShaCodec arpShaCodec;
  31     ByteBuf buffer;
  32     MatchEntry input;
  33
  34     private static final int VALUE_LENGTH = 6;
  35     private static final int NXM_FIELD_CODE = 17;
  36
  37     private static byte[] resAddress = new byte[VALUE_LENGTH];
  38     private static final MacAddress resultAddress = new MacAddress(ByteBufUtils.macAddressToString(resAddress));
  39
  40
  41     @Before
  42     public void setUp() {
  43         arpShaCodec = new ArpShaCodec();
  44         buffer = ByteBufAllocator.DEFAULT.buffer();
  45     }
  46
  47
  48     @Test
  49     public void serializeTest() {
  50         input = createMatchEntry();
  51         arpShaCodec.serialize(input, buffer);
  52
  53         assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
  54         short fieldMask = buffer.readUnsignedByte();
  55         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  56         assertEquals(0, fieldMask & 1);
  57         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  58         assertEquals(resultAddress, ByteBufUtils.readIetfMacAddress(buffer));
  59     }
  60
  61     @Test
  62     public void deserializeTest() {
  63         createBuffer(buffer);
  64
  65         input = arpShaCodec.deserialize(buffer);
  66
  67         ArpShaCaseValue result = ((ArpShaCaseValue) input.getMatchEntryValue());
  68
  69         assertEquals(Nxm1Class.class, input.getOxmClass());
  70         assertEquals(NxmNxArpSha.class, input.getOxmMatchField());
  71         assertEquals(false, input.isHasMask());
  72         assertEquals(resultAddress, result.getArpShaValues().getMacAddress());
  73     }
  74
  75
  76     private MatchEntry createMatchEntry() {
  77         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  78         ArpShaCaseValueBuilder caseBuilder = new ArpShaCaseValueBuilder();
  79         ArpShaValuesBuilder valuesBuilder = new ArpShaValuesBuilder();
  80
  81         matchEntryBuilder.setOxmClass(Nxm1Class.class);
  82         matchEntryBuilder.setOxmMatchField(NxmNxArpSha.class);
  83         matchEntryBuilder.setHasMask(false);
  84
  85
  86         byte[] address = new byte[VALUE_LENGTH];
  87
  88         valuesBuilder.setMacAddress(new MacAddress(ByteBufUtils.macAddressToString(address)));
  89
  90         caseBuilder.setArpShaValues(valuesBuilder.build());
  91         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  92         return matchEntryBuilder.build();
  93     }
  94
  95     private void createBuffer(ByteBuf message) {
  96         message.writeShort(OxmMatchConstants.NXM_1_CLASS);
  97
  98         int fieldMask = (NXM_FIELD_CODE << 1);
  99         message.writeByte(fieldMask);
 100         message.writeByte(VALUE_LENGTH);
 101         message.writeBytes(resAddress);
 102     }
 103
 104 }