openflowjava/openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/OxmIpv6NdTllSerializerTest.java

   1 /*
   2  * Copyright (c) 2014 Pantheon Technologies s.r.o. 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.protocol.impl.serialization.match;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertTrue;
  13
  14 import io.netty.buffer.ByteBuf;
  15 import io.netty.buffer.PooledByteBufAllocator;
  16 import org.junit.Assert;
  17 import org.junit.Test;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv6NdTll;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv6NdTllCaseBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv6.nd.tll._case.Ipv6NdTllBuilder;
  26
  27 /**
  28  * Unit tests for OxmIpv6NdTllSerializer.
  29  *
  30  * @author michal.polkorab
  31  */
  32 public class OxmIpv6NdTllSerializerTest {
  33
  34     OxmIpv6NdTllSerializer serializer = new OxmIpv6NdTllSerializer();
  35
  36     /**
  37      * Test correct serialization.
  38      */
  39     @Test
  40     public void testSerialize() {
  41         MatchEntryBuilder builder = prepareMatchEntry("00:01:02:03:04:05");
  42
  43         ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
  44         serializer.serialize(builder.build(), buffer);
  45
  46         checkHeader(buffer, false);
  47         byte[] address = new byte[6];
  48         buffer.readBytes(address);
  49         Assert.assertArrayEquals("Wrong address", new byte[]{0, 1, 2, 3, 4, 5}, address);
  50         assertTrue("Unexpected data", buffer.readableBytes() == 0);
  51     }
  52
  53     /**
  54      * Test correct header serialization.
  55      */
  56     @Test
  57     public void testSerializeHeader() {
  58         MatchEntryBuilder builder = prepareHeader(false);
  59
  60         ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
  61         serializer.serializeHeader(builder.build(), buffer);
  62
  63         checkHeader(buffer, false);
  64         assertTrue("Unexpected data", buffer.readableBytes() == 0);
  65     }
  66
  67     /**
  68      * Test correct oxm-class return value.
  69      */
  70     @Test
  71     public void testGetOxmClassCode() {
  72         assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, serializer.getOxmClassCode());
  73     }
  74
  75     /**
  76      * Test correct oxm-field return value.
  77      */
  78     @Test
  79     public void getOxmFieldCode() {
  80         assertEquals("Wrong oxm-class", OxmMatchConstants.IPV6_ND_TLL, serializer.getOxmFieldCode());
  81     }
  82
  83     /**
  84      * Test correct value length return value.
  85      */
  86     @Test
  87     public void testGetValueLength() {
  88         assertEquals("Wrong value length", EncodeConstants.MAC_ADDRESS_LENGTH, serializer.getValueLength());
  89     }
  90
  91     private static MatchEntryBuilder prepareMatchEntry(final String value) {
  92         MatchEntryBuilder builder = prepareHeader(false);
  93         Ipv6NdTllCaseBuilder casebuilder = new Ipv6NdTllCaseBuilder();
  94         Ipv6NdTllBuilder valueBuilder = new Ipv6NdTllBuilder();
  95         valueBuilder.setMacAddress(new MacAddress(value));
  96         casebuilder.setIpv6NdTll(valueBuilder.build());
  97         builder.setMatchEntryValue(casebuilder.build());
  98         return builder;
  99     }
 100
 101     private static MatchEntryBuilder prepareHeader(final boolean hasMask) {
 102         MatchEntryBuilder builder = new MatchEntryBuilder();
 103         builder.setOxmClass(OpenflowBasicClass.VALUE);
 104         builder.setOxmMatchField(Ipv6NdTll.VALUE);
 105         builder.setHasMask(hasMask);
 106         return builder;
 107     }
 108
 109     private static void checkHeader(final ByteBuf buffer, final boolean hasMask) {
 110         assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, buffer.readUnsignedShort());
 111         short fieldAndMask = buffer.readUnsignedByte();
 112         assertEquals("Wrong oxm-field", OxmMatchConstants.IPV6_ND_TLL, fieldAndMask >>> 1);
 113         assertEquals("Wrong hasMask", hasMask, (fieldAndMask & 1) != 0);
 114         assertEquals("Wrong length", EncodeConstants.MAC_ADDRESS_LENGTH, buffer.readUnsignedByte());
 115     }
 116 }