extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/ArpSpaCodecTest.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.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfArpSpa;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.arp.spa.grouping.ArpSpaValuesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpSpaCaseValue;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpSpaCaseValueBuilder;
  24
  25 public class ArpSpaCodecTest {
  26
  27     ArpSpaCodec arpSpaCodec;
  28     ByteBuf buffer;
  29     MatchEntry input;
  30
  31     private static final int VALUE_LENGTH = 4;
  32     private static final int NXM_FIELD_CODE = 16;
  33
  34
  35     @Before
  36     public void setUp() {
  37         arpSpaCodec = new ArpSpaCodec();
  38         buffer = ByteBufAllocator.DEFAULT.buffer();
  39     }
  40
  41     @Test
  42     public void serializeTest() {
  43         input = createMatchEntry();
  44         arpSpaCodec.serialize(input, buffer);
  45
  46         assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
  47         short fieldMask = buffer.readUnsignedByte();
  48         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  49         assertEquals(0, fieldMask & 1);
  50         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  51         assertEquals(1, buffer.readUnsignedInt());
  52     }
  53
  54     @Test
  55     public void deserializeTest() {
  56         createBuffer(buffer);
  57         input = arpSpaCodec.deserialize(buffer);
  58
  59         final ArpSpaCaseValue result = (ArpSpaCaseValue) input.getMatchEntryValue();
  60
  61         assertEquals(Nxm0Class.class, input.getOxmClass());
  62         assertEquals(NxmOfArpSpa.class, input.getOxmMatchField());
  63         assertEquals(false, input.isHasMask());
  64         assertEquals(2, result.getArpSpaValues().getValue().shortValue());
  65     }
  66
  67     private static MatchEntry createMatchEntry() {
  68         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  69         final ArpSpaCaseValueBuilder caseBuilder = new ArpSpaCaseValueBuilder();
  70         final ArpSpaValuesBuilder valuesBuilder = new ArpSpaValuesBuilder();
  71
  72         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  73         matchEntryBuilder.setOxmMatchField(NxmOfArpSpa.class);
  74         matchEntryBuilder.setHasMask(false);
  75
  76         valuesBuilder.setValue((long)1);
  77
  78         caseBuilder.setArpSpaValues(valuesBuilder.build());
  79         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  80         return matchEntryBuilder.build();
  81     }
  82
  83     private static void createBuffer(ByteBuf message) {
  84         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  85
  86         int fieldMask = NXM_FIELD_CODE << 1;
  87         message.writeByte(fieldMask);
  88         message.writeByte(VALUE_LENGTH);
  89         message.writeInt(2);
  90     }
  91 }