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 package org.opendaylight.openflowjava.nx.codec.action;
   9
  10 import static org.junit.Assert.assertNull;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.ByteBufAllocator;
  14 import java.util.LinkedList;
  15 import java.util.List;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.junit.runner.RunWith;
  19 import org.mockito.Mock;
  20 import org.mockito.Mockito;
  21 import org.mockito.junit.MockitoJUnitRunner;
  22 import org.opendaylight.openflowjava.nx.NiciraExtensionCodecRegistratorImpl;
  23 import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey;
  24 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  25 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  26 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  28 import org.opendaylight.yangtools.yang.common.Uint32;
  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 Uint32 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      * If NiciraExtensionCodecRegistratorImpl.getActionDeserializer(actionSerializerKey) returns NULL
  62      * then NULL should be returned.
  63      */
  64     @Test
  65     public void deserializeTest() {
  66         createBuffer(buffer);
  67         assertNull(actionDeserializer.deserialize(buffer));
  68     }
  69
  70     /**
  71      * If experimentId is different from NiciraConstants.NX_VENDOR_ID then exception should be thrown.
  72      */
  73     @Test(expected = IllegalStateException.class)
  74     public void deserializeTest1() {
  75         createBufferWithWrongExperimentId(buffer);
  76         actionDeserializer.deserialize(buffer);
  77     }
  78
  79     @Test
  80     public void deserializeTest2() {
  81         createBuffer(buffer);
  82         addRecordToMap();
  83
  84         actionDeserializer.deserialize(buffer);
  85
  86         Mockito.verify(deserializer).deserialize(buffer);
  87     }
  88
  89     private static void createBuffer(ByteBuf message) {
  90         //size of experiment type
  91         message.writeShort(1);
  92         //size of length
  93         message.writeShort(13);
  94         //experimentId
  95         message.writeInt(EXPERIMENT_ID.intValue());
  96         //subtype
  97         message.writeShort(SUBTYPE);
  98     }
  99
 100     private static void createBufferWithWrongExperimentId(ByteBuf message) {
 101         //size of experiment type
 102         message.writeShort(1);
 103         //size of length
 104         message.writeShort(13);
 105         //experimentId
 106         message.writeInt(1);
 107         //subtype
 108         message.writeShort(SUBTYPE);
 109     }
 110
 111     private void addRecordToMap() {
 112         niciraExtensionCodecRegistrator = new NiciraExtensionCodecRegistratorImpl(providers);
 113         NiciraActionDeserializerKey key = new NiciraActionDeserializerKey(VERSION, SUBTYPE);
 114
 115         niciraExtensionCodecRegistrator.registerActionDeserializer(key, deserializer);
 116     }
 117
 118 }