extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/ArpOpCodecTest.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.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfArpOp;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.arp.op.grouping.ArpOpValuesBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpOpCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpOpCaseValueBuilder;
  25
  26 public class ArpOpCodecTest {
  27
  28     ArpOpCodec arpOpCodec;
  29     ByteBuf buffer;
  30     MatchEntry input;
  31
  32     private static final int NXM_FIELD_CODE = 15;
  33     private static final int VALUE_LENGTH = 2;
  34
  35
  36     @Before
  37     public void setUp() {
  38         arpOpCodec = new ArpOpCodec();
  39         buffer = ByteBufAllocator.DEFAULT.buffer();
  40     }
  41
  42     @Test
  43     public void serializeTest() {
  44         input = createMatchEntry();
  45         arpOpCodec.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.readUnsignedShort());
  53     }
  54
  55     @Test
  56     public void deserializeTest() {
  57         createBuffer(buffer);
  58
  59         input = arpOpCodec.deserialize(buffer);
  60
  61         ArpOpCaseValue result = ((ArpOpCaseValue) input.getMatchEntryValue());
  62
  63         assertEquals(Nxm0Class.class, input.getOxmClass());
  64         assertEquals(NxmOfArpOp.class, input.getOxmMatchField());
  65         assertEquals(false, input.isHasMask());
  66         assertEquals(2, result.getArpOpValues().getValue().shortValue());
  67     }
  68
  69
  70
  71
  72     private MatchEntry createMatchEntry() {
  73         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  74         ArpOpCaseValueBuilder caseBuilder = new ArpOpCaseValueBuilder();
  75         ArpOpValuesBuilder valuesBuilder = new ArpOpValuesBuilder();
  76
  77         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  78         matchEntryBuilder.setOxmMatchField(NxmOfArpOp.class);
  79         matchEntryBuilder.setHasMask(false);
  80
  81         valuesBuilder.setValue(1);
  82
  83         caseBuilder.setArpOpValues(valuesBuilder.build());
  84         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  85         return matchEntryBuilder.build();
  86     }
  87
  88     private void createBuffer(ByteBuf message) {
  89         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  90
  91         int fieldMask = (NXM_FIELD_CODE << 1);
  92         message.writeByte(fieldMask);
  93         message.writeByte(VALUE_LENGTH);
  94         message.writeShort(2);
  95     }
  96
  97 }