extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/ArpThaCodecTest.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.openflowjava.util.ByteBufUtils;
  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.Nxm1Class;
  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.NxmNxArpTha;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.arp.tha.grouping.ArpThaValuesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpThaCaseValue;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpThaCaseValueBuilder;
  26
  27 public class ArpThaCodecTest {
  28
  29     ArpThaCodec arpThaCodec;
  30     ByteBuf buffer;
  31     MatchEntry input;
  32
  33     private static final int VALUE_LENGTH = 6;
  34     private static final int NXM_FIELD_CODE = 18;
  35
  36     private static final byte[] TEST_ADDR = new byte[VALUE_LENGTH];
  37     private static final MacAddress TEST_ADDRESS = new MacAddress(ByteBufUtils.macAddressToString(TEST_ADDR));
  38
  39     @Before
  40     public void setUp() {
  41         arpThaCodec = new ArpThaCodec();
  42         buffer = ByteBufAllocator.DEFAULT.buffer();
  43     }
  44
  45     @Test
  46     public void serializeTest() {
  47         input = createMatchEntry();
  48         arpThaCodec.serialize(input, buffer);
  49
  50         assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort());
  51         short fieldMask = buffer.readUnsignedByte();
  52         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  53         assertEquals(0, fieldMask & 1);
  54         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  55         assertEquals(TEST_ADDRESS, ByteBufUtils.readIetfMacAddress(buffer));
  56     }
  57
  58     @Test
  59     public void deserializeTest() {
  60         createBuffer(buffer);
  61         input = arpThaCodec.deserialize(buffer);
  62
  63         final ArpThaCaseValue result = (ArpThaCaseValue) input.getMatchEntryValue();
  64
  65         assertEquals(Nxm1Class.class, input.getOxmClass());
  66         assertEquals(NxmNxArpTha.class, input.getOxmMatchField());
  67         assertEquals(false, input.isHasMask());
  68         assertEquals(TEST_ADDRESS, result.getArpThaValues().getMacAddress());
  69     }
  70
  71     private MatchEntry createMatchEntry() {
  72         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  73         final ArpThaCaseValueBuilder caseBuilder = new ArpThaCaseValueBuilder();
  74         final ArpThaValuesBuilder valuesBuilder = new ArpThaValuesBuilder();
  75
  76         matchEntryBuilder.setOxmClass(Nxm1Class.class);
  77         matchEntryBuilder.setOxmMatchField(NxmNxArpTha.class);
  78         matchEntryBuilder.setHasMask(false);
  79
  80         byte[] address = new byte[VALUE_LENGTH];
  81
  82         valuesBuilder.setMacAddress(new MacAddress(ByteBufUtils.macAddressToString(address)));
  83
  84         caseBuilder.setArpThaValues(valuesBuilder.build());
  85         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  86         return matchEntryBuilder.build();
  87     }
  88
  89     private void createBuffer(ByteBuf message) {
  90         message.writeShort(OxmMatchConstants.NXM_1_CLASS);
  91
  92         int fieldMask = NXM_FIELD_CODE << 1;
  93         message.writeByte(fieldMask);
  94         message.writeByte(VALUE_LENGTH);
  95         message.writeBytes(TEST_ADDR);
  96     }
  97 }