extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/action/ActionDeserializerTest.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
   9 package org.opendaylight.openflowjava.nx.codec.action;
  10
  11 import static org.junit.Assert.assertNull;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.ByteBufAllocator;
  15 import java.util.LinkedList;
  16 import java.util.List;
  17 import org.junit.Before;
  18 import org.junit.Test;
  19 import org.junit.runner.RunWith;
  20 import org.mockito.Mock;
  21 import org.mockito.Mockito;
  22 import org.mockito.runners.MockitoJUnitRunner;
  23 import org.opendaylight.openflowjava.nx.NiciraExtensionCodecRegistratorImpl;
  24 import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey;
  25 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  26 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  27 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  29
  30 @RunWith(MockitoJUnitRunner.class)
  31 public class ActionDeserializerTest {
  32
  33     ActionDeserializer actionDeserializer;
  34     ByteBuf buffer;
  35     NiciraExtensionCodecRegistratorImpl niciraExtensionCodecRegistrator;
  36     List<SwitchConnectionProvider> providers;
  37
  38
  39     @Mock
  40     OFDeserializer<Action> deserializer;
  41     @Mock
  42     SwitchConnectionProvider provider;
  43     @Mock
  44     OFDeserializer<Action> ofDeserializer;
  45
  46
  47
  48
  49     private static final short VERSION = 4;
  50     private static final long EXPERIMENT_ID = NiciraConstants.NX_VENDOR_ID;
  51     private static final byte SUBTYPE = 10;
  52
  53     @Before
  54     public void setUp() {
  55         actionDeserializer = new ActionDeserializer(VERSION);
  56         buffer = ByteBufAllocator.DEFAULT.buffer();
  57         providers = new LinkedList<>();
  58
  59
  60     }
  61
  62
  63     /**
  64      * If NiciraExtensionCodecRegistratorImpl.getActionDeserializer(actionSerializerKey) returns NULL
  65      * then NULL should be returned
  66      */
  67     @Test
  68     public void deserializeTest() {
  69         createBuffer(buffer);
  70         assertNull(actionDeserializer.deserialize(buffer));
  71     }
  72
  73     /**
  74      * If experimentId is different from NiciraConstants.NX_VENDOR_ID
  75      * then exception should be thrown
  76      */
  77     @Test(expected = IllegalStateException.class)
  78     public void deserializeTest1() {
  79         createBufferWithWrongExperimentId(buffer);
  80         actionDeserializer.deserialize(buffer);
  81     }
  82
  83     @Test
  84     public void deserializeTest2() {
  85         createBuffer(buffer);
  86         addRecordToMap();
  87
  88         actionDeserializer.deserialize(buffer);
  89
  90         Mockito.verify(deserializer).deserialize(buffer);
  91     }
  92
  93     private void createBuffer(ByteBuf message) {
  94         //size of experiment type
  95         message.writeShort(1);
  96         //size of length
  97         message.writeShort(13);
  98         //experimentId
  99         message.writeInt((int)EXPERIMENT_ID);
 100         //subtype
 101         message.writeShort(SUBTYPE);
 102     }
 103
 104     private void createBufferWithWrongExperimentId(ByteBuf message) {
 105         //size of experiment type
 106         message.writeShort(1);
 107         //size of length
 108         message.writeShort(13);
 109         //experimentId
 110         message.writeInt(1);
 111         //subtype
 112         message.writeShort(SUBTYPE);
 113     }
 114
 115     private void addRecordToMap() {
 116         niciraExtensionCodecRegistrator = new NiciraExtensionCodecRegistratorImpl(providers);
 117         NiciraActionDeserializerKey key = new NiciraActionDeserializerKey(VERSION, SUBTYPE);
 118
 119         niciraExtensionCodecRegistrator.registerActionDeserializer(key, deserializer);
 120     }
 121
 122 }