extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/Nshc4CodecTest.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.Nxm1Class;
  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.NxmNxNshc4;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nshc._4.grouping.Nshc4ValuesBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc4CaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc4CaseValueBuilder;
  25
  26 public class Nshc4CodecTest {
  27
  28     Nshc4Codec nshc4Codec;
  29     ByteBuf buffer;
  30     MatchEntry input;
  31
  32     private static final int VALUE_LENGTH = 4;
  33     private static final int NXM_FIELD_CODE = 118;
  34
  35     @Before
  36     public void setUp() {
  37         nshc4Codec = new Nshc4Codec();
  38         buffer = ByteBufAllocator.DEFAULT.buffer();
  39     }
  40
  41     @Test
  42     public void serializeTest() {
  43         input = createMatchEntry();
  44         nshc4Codec.serialize(input, buffer);
  45
  46         assertEquals(OxmMatchConstants.NXM_1_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
  58         input = nshc4Codec.deserialize(buffer);
  59
  60         Nshc4CaseValue result = ((Nshc4CaseValue) input.getMatchEntryValue());
  61
  62         assertEquals(Nxm1Class.class, input.getOxmClass());
  63         assertEquals(NxmNxNshc4.class, input.getOxmMatchField());
  64         assertEquals(false, input.isHasMask());
  65         assertEquals(2, result.getNshc4Values().getNshc().intValue());
  66     }
  67
  68
  69     private MatchEntry createMatchEntry() {
  70         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  71         Nshc4CaseValueBuilder caseBuilder = new Nshc4CaseValueBuilder();
  72         Nshc4ValuesBuilder valuesBuilder = new Nshc4ValuesBuilder();
  73
  74         matchEntryBuilder.setOxmClass(Nxm1Class.class);
  75         matchEntryBuilder.setOxmMatchField(NxmNxNshc4.class);
  76         matchEntryBuilder.setHasMask(false);
  77
  78         valuesBuilder.setNshc((long)1);
  79
  80         caseBuilder.setNshc4Values(valuesBuilder.build());
  81         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  82         return matchEntryBuilder.build();
  83     }
  84
  85     private void createBuffer(ByteBuf message) {
  86         message.writeShort(OxmMatchConstants.NXM_1_CLASS);
  87
  88         int fieldMask = (NXM_FIELD_CODE << 1);
  89         message.writeByte(fieldMask);
  90         message.writeByte(VALUE_LENGTH);
  91         message.writeInt(2);
  92     }
  93 }