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 import org.opendaylight.yangtools.yang.common.Uint32;
  25
  26 public class ArpSpaCodecTest {
  27
  28     ArpSpaCodec arpSpaCodec;
  29     ByteBuf buffer;
  30     MatchEntry input;
  31
  32     private static final int VALUE_LENGTH = 4;
  33     private static final int NXM_FIELD_CODE = 16;
  34
  35
  36     @Before
  37     public void setUp() {
  38         arpSpaCodec = new ArpSpaCodec();
  39         buffer = ByteBufAllocator.DEFAULT.buffer();
  40     }
  41
  42     @Test
  43     public void serializeTest() {
  44         input = createMatchEntry();
  45         arpSpaCodec.serialize(input, buffer);
  46
  47         assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
  48         short fieldMask = buffer.readUnsignedByte();
  49         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  50         assertEquals(0, fieldMask & 1);
  51         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  52         assertEquals(1, buffer.readUnsignedInt());
  53     }
  54
  55     @Test
  56     public void deserializeTest() {
  57         createBuffer(buffer);
  58         input = arpSpaCodec.deserialize(buffer);
  59
  60         final ArpSpaCaseValue result = (ArpSpaCaseValue) input.getMatchEntryValue();
  61
  62         assertEquals(Nxm0Class.class, input.getOxmClass());
  63         assertEquals(NxmOfArpSpa.class, input.getOxmMatchField());
  64         assertEquals(false, input.isHasMask());
  65         assertEquals(2, result.getArpSpaValues().getValue().shortValue());
  66     }
  67
  68     private static MatchEntry createMatchEntry() {
  69         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  70         final ArpSpaCaseValueBuilder caseBuilder = new ArpSpaCaseValueBuilder();
  71         final ArpSpaValuesBuilder valuesBuilder = new ArpSpaValuesBuilder();
  72
  73         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  74         matchEntryBuilder.setOxmMatchField(NxmOfArpSpa.class);
  75         matchEntryBuilder.setHasMask(false);
  76
  77         valuesBuilder.setValue(Uint32.ONE);
  78
  79         caseBuilder.setArpSpaValues(valuesBuilder.build());
  80         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  81         return matchEntryBuilder.build();
  82     }
  83
  84     private static void createBuffer(ByteBuf message) {
  85         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  86
  87         int fieldMask = NXM_FIELD_CODE << 1;
  88         message.writeByte(fieldMask);
  89         message.writeByte(VALUE_LENGTH);
  90         message.writeInt(2);
  91     }
  92 }