extension/openflowjava-extension-eric/src/test/java/org/opendaylight/openflowjava/eric/codec/match/Icmpv6NDOptionsTypeCodecTest.java

   1 /*
   2  * Copyright (c) 2019 Ericsson India Global Services Pvt Ltd. 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.eric.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.eric.api.EricConstants;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.EricExpClass;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.eric.match.rev180730.Icmpv6NdOptionsType;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.eric.match.rev180730.icmpv6.nd.options.type.grouping.Icmpv6NdOptionsTypeValuesBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.eric.match.rev180730.oxm.container.match.entry.value.Icmpv6NdOptionsTypeCaseValue;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.eric.match.rev180730.oxm.container.match.entry.value.Icmpv6NdOptionsTypeCaseValueBuilder;
  23 import org.opendaylight.yangtools.yang.common.Uint8;
  24
  25 public class Icmpv6NDOptionsTypeCodecTest {
  26
  27     private static final int ERIC_FIELD_CODE = 2;
  28     private static final int VALUE_LENGTH = 1;
  29
  30     private final Icmpv6NDOptionsTypeCodec icmpv6NDOptionsTypeCodec = new Icmpv6NDOptionsTypeCodec();
  31     private final ByteBuf buffer = ByteBufAllocator.DEFAULT.buffer();
  32
  33     private MatchEntry input;
  34
  35     @Test
  36     public void serializeTest() {
  37         input = createMatchEntry();
  38         icmpv6NDOptionsTypeCodec.serialize(input, buffer);
  39
  40         assertEquals(EricConstants.ERICOXM_OF_EXPERIMENTER_ID,
  41                 buffer.readUnsignedShort());
  42         short fieldMask = buffer.readUnsignedByte();
  43         assertEquals(ERIC_FIELD_CODE, fieldMask >> 1);
  44         assertEquals(0, fieldMask & 1);
  45         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  46         assertEquals(1, buffer.readUnsignedByte());
  47     }
  48
  49     @Test
  50     public void deserializeTest() {
  51         createBuffer(buffer);
  52
  53         input = icmpv6NDOptionsTypeCodec.deserialize(buffer);
  54
  55         final Icmpv6NdOptionsTypeCaseValue result = (Icmpv6NdOptionsTypeCaseValue) input.getMatchEntryValue();
  56         assertEquals(EricExpClass.class, input.getOxmClass());
  57         assertEquals(Icmpv6NdOptionsType.class, input.getOxmMatchField());
  58         assertEquals(false, input.getHasMask());
  59         assertEquals(2, result.getIcmpv6NdOptionsTypeValues().getIcmpv6NdOptionsType().shortValue());
  60     }
  61
  62     private static MatchEntry createMatchEntry() {
  63         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  64         final Icmpv6NdOptionsTypeCaseValueBuilder caseBuilder = new Icmpv6NdOptionsTypeCaseValueBuilder();
  65         final Icmpv6NdOptionsTypeValuesBuilder valuesBuilder = new Icmpv6NdOptionsTypeValuesBuilder();
  66
  67         matchEntryBuilder.setOxmClass(EricExpClass.class);
  68         matchEntryBuilder.setOxmMatchField(Icmpv6NdOptionsType.class);
  69         matchEntryBuilder.setHasMask(false);
  70
  71         valuesBuilder.setIcmpv6NdOptionsType(Uint8.ONE);
  72
  73         caseBuilder.setIcmpv6NdOptionsTypeValues(valuesBuilder.build());
  74         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  75         return matchEntryBuilder.build();
  76     }
  77
  78     private static void createBuffer(final ByteBuf message) {
  79         message.writeShort(EricConstants.ERICOXM_OF_EXPERIMENTER_ID);
  80
  81         int fieldMask = ERIC_FIELD_CODE << 1;
  82         message.writeByte(fieldMask);
  83         message.writeByte(VALUE_LENGTH);
  84         message.writeByte(2);
  85     }
  86 }