extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/ArpThaCodecTest.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.NxmNxArpTha;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.ArpThaCaseValue;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.ArpThaCaseValueBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.arp.tha.grouping.ArpThaValuesBuilder;
  27
  28 public class ArpThaCodecTest {
  29
  30     ArpThaCodec arpThaCodec;
  31     ByteBuf buffer;
  32     MatchEntry input;
  33
  34     private static final int VALUE_LENGTH = 6;
  35     private static final int NXM_FIELD_CODE = 18;
  36
  37     private static final byte[] TEST_ADDR = new byte[VALUE_LENGTH];
  38     private static final MacAddress TEST_ADDRESS = IetfYangUtil.macAddressFor(TEST_ADDR);
  39
  40     @Before
  41     public void setUp() {
  42         arpThaCodec = new ArpThaCodec();
  43         buffer = ByteBufAllocator.DEFAULT.buffer();
  44     }
  45
  46     @Test
  47     public void serializeTest() {
  48         input = createMatchEntry();
  49         arpThaCodec.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(TEST_ADDRESS, ByteBufUtils.readIetfMacAddress(buffer));
  57     }
  58
  59     @Test
  60     public void deserializeTest() {
  61         createBuffer(buffer);
  62         input = arpThaCodec.deserialize(buffer);
  63
  64         final ArpThaCaseValue result = (ArpThaCaseValue) input.getMatchEntryValue();
  65
  66         assertEquals(Nxm1Class.VALUE, input.getOxmClass());
  67         assertEquals(NxmNxArpTha.VALUE, input.getOxmMatchField());
  68         assertEquals(false, input.getHasMask());
  69         assertEquals(TEST_ADDRESS, result.getArpThaValues().getMacAddress());
  70     }
  71
  72     private static MatchEntry createMatchEntry() {
  73         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  74         final ArpThaCaseValueBuilder caseBuilder = new ArpThaCaseValueBuilder();
  75         final ArpThaValuesBuilder valuesBuilder = new ArpThaValuesBuilder();
  76
  77         matchEntryBuilder.setOxmClass(Nxm1Class.VALUE);
  78         matchEntryBuilder.setOxmMatchField(NxmNxArpTha.VALUE);
  79         matchEntryBuilder.setHasMask(false);
  80
  81         valuesBuilder.setMacAddress(IetfYangUtil.macAddressFor(new byte[VALUE_LENGTH]));
  82
  83         caseBuilder.setArpThaValues(valuesBuilder.build());
  84         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  85         return matchEntryBuilder.build();
  86     }
  87
  88     private static void createBuffer(final ByteBuf message) {
  89         message.writeShort(OxmMatchConstants.NXM_1_CLASS);
  90
  91         int fieldMask = NXM_FIELD_CODE << 1;
  92         message.writeByte(fieldMask);
  93         message.writeByte(VALUE_LENGTH);
  94         message.writeBytes(TEST_ADDR);
  95     }
  96 }