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
   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.NxmOfEthType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.eth.type.grouping.EthTypeValuesBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValueBuilder;
  25
  26 public class EthTypeCodecTest {
  27
  28     EthTypeCodec ethTypeCodec;
  29     ByteBuf buffer;
  30     MatchEntry input;
  31
  32     private static final int VALUE_LENGTH = 2;
  33     private static final int NXM_FIELD_CODE = 3;
  34
  35     @Before
  36     public void setUp() {
  37         ethTypeCodec = new EthTypeCodec();
  38         buffer = ByteBufAllocator.DEFAULT.buffer();
  39     }
  40
  41     @Test
  42     public void serializeTest() {
  43         input = createMatchEntry();
  44         ethTypeCodec.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.readUnsignedShort());
  52     }
  53
  54     @Test
  55     public void deserializeTest() {
  56         createBuffer(buffer);
  57
  58         input = ethTypeCodec.deserialize(buffer);
  59
  60         EthTypeCaseValue result = ((EthTypeCaseValue) input.getMatchEntryValue());
  61
  62         assertEquals(Nxm0Class.class, input.getOxmClass());
  63         assertEquals(NxmOfEthType.class, input.getOxmMatchField());
  64         assertEquals(false, input.isHasMask());
  65         assertEquals(2, result.getEthTypeValues().getValue().shortValue());
  66     }
  67
  68
  69
  70     private MatchEntry createMatchEntry() {
  71         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  72         EthTypeCaseValueBuilder caseBuilder = new EthTypeCaseValueBuilder();
  73         EthTypeValuesBuilder valuesBuilder = new EthTypeValuesBuilder();
  74
  75         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  76         matchEntryBuilder.setOxmMatchField(NxmOfEthType.class);
  77         matchEntryBuilder.setHasMask(false);
  78
  79         valuesBuilder.setValue(1);
  80
  81         caseBuilder.setEthTypeValues(valuesBuilder.build());
  82         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  83         return matchEntryBuilder.build();
  84     }
  85
  86     private void createBuffer(ByteBuf message) {
  87         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  88
  89         int fieldMask = (NXM_FIELD_CODE << 1);
  90         message.writeByte(fieldMask);
  91         message.writeByte(VALUE_LENGTH);
  92         message.writeShort(2);
  93     }
  94 }