openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/HelloMessageFactoryTest.java

   1 /*
   2  * Copyright (c) 2013 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.deserialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.ArrayList;
  13 import java.util.Arrays;
  14 import java.util.List;
  15 import org.junit.Assert;
  16 import org.junit.Test;
  17 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
  20 import org.opendaylight.openflowjava.protocol.impl.util.DefaultDeserializerFactoryTest;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloElementType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloMessage;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.Elements;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.ElementsBuilder;
  25
  26 /**
  27  * Test for {@link org.opendaylight.openflowjava.protocol.impl.deserialization.factories.HelloMessageFactory}.
  28  * @author michal.polkorab
  29  * @author timotej.kubas
  30  * @author madamjak
  31  */
  32 public class HelloMessageFactoryTest extends DefaultDeserializerFactoryTest<HelloMessage> {
  33
  34     /**
  35      * Initializes deserializer registry and lookups OF13 deserializer.
  36      */
  37     public HelloMessageFactoryTest() {
  38         super(new MessageCodeKey(EncodeConstants.OF13_VERSION_ID, 0, HelloMessage.class));
  39     }
  40
  41     /**
  42      * Testing {@link HelloMessageFactory} for correct header version.
  43      */
  44     @Test
  45     public void testVersion() {
  46         List<Byte> versions = new ArrayList<>(Arrays.asList(
  47                 EncodeConstants.OF13_VERSION_ID,
  48                 EncodeConstants.OF14_VERSION_ID,
  49                 EncodeConstants.OF15_VERSION_ID
  50         ));
  51         ByteBuf bb = BufferHelper.buildBuffer("00 01 " // type
  52                                             + "00 08 " // length
  53                                             + "00 00 00 11" // bitmap 1
  54         );
  55         testHeaderVersions(versions, bb);
  56     }
  57
  58     /**
  59      * Testing {@link HelloMessageFactory} for correct length without padding.
  60      */
  61     @Test
  62     public void testWithoutPadding() {
  63         ByteBuf bb = BufferHelper.buildBuffer("00 01 " // type
  64                                             + "00 08 " // length
  65                                             + "00 00 00 11" // bitmap 1
  66                                             );
  67         HelloMessage builtByFactory = BufferHelper.deserialize(factory, bb);
  68         List<Elements> element = createElement(4,HelloElementType.VERSIONBITMAP.getIntValue());
  69         Assert.assertEquals("Wrong type", element.get(0).getType(), builtByFactory.getElements().get(0).getType());
  70         Assert.assertEquals("Wrong versionBitmap", element.get(0).getVersionBitmap(), builtByFactory.getElements().get(0).getVersionBitmap());
  71     }
  72
  73     /**
  74      * Testing {@link HelloMessageFactory} for correct length with padding.
  75      */
  76     @Test
  77     public void testWithPadding() {
  78         ByteBuf bb = BufferHelper.buildBuffer("00 01 " // type
  79                                             + "00 0c " // length
  80                                             + "00 00 00 11 " // bitmap 1
  81                                             + "00 00 00 00 " // bitmap 2
  82                                             + "00 00 00 00"  // padding
  83                                             );
  84         HelloMessage builtByFactory = BufferHelper.deserialize(factory, bb);
  85         List<Elements> element = createElement(8,HelloElementType.VERSIONBITMAP.getIntValue());
  86         Assert.assertEquals("Wrong type", element.get(0).getType(), builtByFactory.getElements().get(0).getType());
  87         Assert.assertEquals("Wrong versionBitmap", element.get(0).getVersionBitmap(), builtByFactory.getElements().get(0).getVersionBitmap());
  88     }
  89
  90     /**
  91      * Testing {@link HelloMessageFactory} if incorrect version is set.
  92      */
  93     @Test
  94     public void testBadType(){
  95         ByteBuf bb = BufferHelper.buildBuffer("00 02 " // type
  96                                             + "00 0c " // length
  97                                             + "00 00 00 11 " // bitmap 1
  98                                             + "00 00 00 00 " // bitmap 2
  99                                             + "00 00 00 00"  // padding
 100                                             );
 101         HelloMessage builtByFactory = BufferHelper.deserialize(factory, bb);
 102         Assert.assertEquals("Wrong - no element has been expected", 0, builtByFactory.getElements().size());
 103     }
 104
 105     private static List<Elements> createElement(int lengthInByte, int type) {
 106         ElementsBuilder elementsBuilder = new ElementsBuilder();
 107         List<Elements> elementsList = new ArrayList<>();
 108         List<Boolean> booleanList = new ArrayList<>();
 109         booleanList.add(true);
 110         booleanList.add(false);
 111         booleanList.add(false);
 112         booleanList.add(false);
 113         booleanList.add(true);
 114         int inSize = booleanList.size();
 115         for (int i = 1; i < ((lengthInByte * 8) - inSize + 1); i++) {
 116             booleanList.add(false);
 117         }
 118         elementsBuilder.setType(HelloElementType.forValue(type));
 119         elementsBuilder.setVersionBitmap(booleanList);
 120         elementsList.add(elementsBuilder.build());
 121         return elementsList;
 122     }
 123 }