extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/EthDstCodecTest.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.Test;
  15 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  16 import org.opendaylight.openflowjava.util.ByteBufUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfEthDst;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.EthDstCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.EthDstCaseValueBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.eth.dst.grouping.EthDstValuesBuilder;
  26
  27 public class EthDstCodecTest {
  28     private final ByteBuf buffer = ByteBufAllocator.DEFAULT.buffer();
  29     private final EthDstCodec ethDstCodec = new EthDstCodec();
  30
  31     private MatchEntry input;
  32
  33     private static final int VALUE_LENGTH = 6;
  34     private static final int NXM_FIELD_CODE = 1;
  35
  36     private static final byte[] TEST_ADDR = new byte[VALUE_LENGTH];
  37     private static final MacAddress TEST_ADDRESS = IetfYangUtil.macAddressFor(TEST_ADDR);
  38
  39     @Test
  40     public void serializeTest() {
  41         input = createMatchEntry();
  42         ethDstCodec.serialize(input, buffer);
  43
  44         assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
  45         short fieldMask = buffer.readUnsignedByte();
  46         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  47         assertEquals(0, fieldMask & 1);
  48         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  49         assertEquals(TEST_ADDRESS, ByteBufUtils.readIetfMacAddress(buffer));
  50     }
  51
  52     @Test
  53     public void deserializeTest() {
  54         createBuffer(buffer);
  55
  56         input = ethDstCodec.deserialize(buffer);
  57
  58         final EthDstCaseValue result = (EthDstCaseValue) input.getMatchEntryValue();
  59
  60         assertEquals(Nxm0Class.VALUE, input.getOxmClass());
  61         assertEquals(NxmOfEthDst.VALUE, input.getOxmMatchField());
  62         assertEquals(false, input.getHasMask());
  63         assertEquals(TEST_ADDRESS, result.getEthDstValues().getMacAddress());
  64     }
  65
  66     private static MatchEntry createMatchEntry() {
  67         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  68         final EthDstCaseValueBuilder caseBuilder = new EthDstCaseValueBuilder();
  69         final EthDstValuesBuilder valuesBuilder = new EthDstValuesBuilder();
  70
  71         matchEntryBuilder.setOxmClass(Nxm0Class.VALUE);
  72         matchEntryBuilder.setOxmMatchField(NxmOfEthDst.VALUE);
  73         matchEntryBuilder.setHasMask(false);
  74
  75         valuesBuilder.setMacAddress(IetfYangUtil.macAddressFor(new byte[VALUE_LENGTH]));
  76
  77         caseBuilder.setEthDstValues(valuesBuilder.build());
  78         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  79         return matchEntryBuilder.build();
  80     }
  81
  82     private static void createBuffer(final ByteBuf message) {
  83         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  84
  85         int fieldMask = NXM_FIELD_CODE << 1;
  86         message.writeByte(fieldMask);
  87         message.writeByte(VALUE_LENGTH);
  88         message.writeBytes(TEST_ADDR);
  89     }
  90 }