extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/EthTypeCodecTest.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.NxmOfEthType;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.eth.type.grouping.EthTypeValuesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValue;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValueBuilder;
  24
  25 public class EthTypeCodecTest {
  26
  27     EthTypeCodec ethTypeCodec;
  28     ByteBuf buffer;
  29     MatchEntry input;
  30
  31     private static final int VALUE_LENGTH = 2;
  32     private static final int NXM_FIELD_CODE = 3;
  33
  34     @Before
  35     public void setUp() {
  36         ethTypeCodec = new EthTypeCodec();
  37         buffer = ByteBufAllocator.DEFAULT.buffer();
  38     }
  39
  40     @Test
  41     public void serializeTest() {
  42         input = createMatchEntry();
  43         ethTypeCodec.serialize(input, buffer);
  44
  45         assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
  46         short fieldMask = buffer.readUnsignedByte();
  47         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  48         assertEquals(0, fieldMask & 1);
  49         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  50         assertEquals(1, buffer.readUnsignedShort());
  51     }
  52
  53     @Test
  54     public void deserializeTest() {
  55         createBuffer(buffer);
  56
  57         input = ethTypeCodec.deserialize(buffer);
  58
  59         final EthTypeCaseValue result = (EthTypeCaseValue) input.getMatchEntryValue();
  60
  61         assertEquals(Nxm0Class.class, input.getOxmClass());
  62         assertEquals(NxmOfEthType.class, input.getOxmMatchField());
  63         assertEquals(false, input.isHasMask());
  64         assertEquals(2, result.getEthTypeValues().getValue().shortValue());
  65     }
  66
  67
  68
  69     private MatchEntry createMatchEntry() {
  70         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  71         final EthTypeCaseValueBuilder caseBuilder = new EthTypeCaseValueBuilder();
  72         final EthTypeValuesBuilder valuesBuilder = new EthTypeValuesBuilder();
  73
  74         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  75         matchEntryBuilder.setOxmMatchField(NxmOfEthType.class);
  76         matchEntryBuilder.setHasMask(false);
  77
  78         valuesBuilder.setValue(1);
  79
  80         caseBuilder.setEthTypeValues(valuesBuilder.build());
  81         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  82         return matchEntryBuilder.build();
  83     }
  84
  85     private void createBuffer(ByteBuf message) {
  86         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  87
  88         int fieldMask = NXM_FIELD_CODE << 1;
  89         message.writeByte(fieldMask);
  90         message.writeByte(VALUE_LENGTH);
  91         message.writeShort(2);
  92     }
  93 }