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.IetfYangUtil;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.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.aug.nx.match.ArpShaCaseValue;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.ArpShaCaseValueBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.arp.sha.grouping.ArpShaValuesBuilder;
  27
  28 public class ArpShaCodecTest {
  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 = IetfYangUtil.INSTANCE.macAddressFor(resAddress);
  38
  39     @Before
  40     public void setUp() {
  41         arpShaCodec = new ArpShaCodec();
  42         buffer = ByteBufAllocator.DEFAULT.buffer();
  43     }
  44
  45
  46     @Test
  47     public void serializeTest() {
  48         input = createMatchEntry();
  49         arpShaCodec.serialize(input, buffer);
  50
  51         assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
  52         short fieldMask = buffer.readUnsignedByte();
  53         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  54         assertEquals(0, fieldMask & 1);
  55         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  56         assertEquals(RESULT_ADDRESS, ByteBufUtils.readIetfMacAddress(buffer));
  57     }
  58
  59     @Test
  60     public void deserializeTest() {
  61         createBuffer(buffer);
  62
  63         input = arpShaCodec.deserialize(buffer);
  64
  65         final ArpShaCaseValue result = (ArpShaCaseValue) input.getMatchEntryValue();
  66
  67         assertEquals(Nxm1Class.VALUE, input.getOxmClass());
  68         assertEquals(NxmNxArpSha.VALUE, input.getOxmMatchField());
  69         assertEquals(false, input.getHasMask());
  70         assertEquals(RESULT_ADDRESS, result.getArpShaValues().getMacAddress());
  71     }
  72
  73
  74     private static MatchEntry createMatchEntry() {
  75         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  76         final ArpShaCaseValueBuilder caseBuilder = new ArpShaCaseValueBuilder();
  77         final ArpShaValuesBuilder valuesBuilder = new ArpShaValuesBuilder();
  78
  79         matchEntryBuilder.setOxmClass(Nxm1Class.VALUE);
  80         matchEntryBuilder.setOxmMatchField(NxmNxArpSha.VALUE);
  81         matchEntryBuilder.setHasMask(false);
  82
  83
  84         valuesBuilder.setMacAddress(IetfYangUtil.INSTANCE.macAddressFor(new byte[VALUE_LENGTH]));
  85
  86         caseBuilder.setArpShaValues(valuesBuilder.build());
  87         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  88         return matchEntryBuilder.build();
  89     }
  90
  91     private static void createBuffer(final ByteBuf message) {
  92         message.writeShort(OxmMatchConstants.NXM_1_CLASS);
  93
  94         int fieldMask = NXM_FIELD_CODE << 1;
  95         message.writeByte(fieldMask);
  96         message.writeByte(VALUE_LENGTH);
  97         message.writeBytes(resAddress);
  98     }
  99 }