extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/action/DecapCodecTest.java

   1 /*
   2  * Copyright (c) 2018 SUSE LINUX GmbH.  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.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13
  14 import io.netty.buffer.ByteBuf;
  15 import io.netty.buffer.ByteBufAllocator;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  19 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionDecap;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionDecapBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.decap.grouping.NxActionDecapBuilder;
  26 import org.opendaylight.yangtools.yang.common.Uint32;
  27
  28 public class DecapCodecTest {
  29
  30     private static final int LENGTH = 16;
  31     private static final int SUBTYPE = 47;
  32     private static final Uint32 PACKET_TYPE = Uint32.valueOf(0xFFFEL);
  33
  34     DecapCodec decapCodec;
  35     ByteBuf buffer;
  36     Action action;
  37
  38     @Before
  39     public void setUp() {
  40         decapCodec = new DecapCodec();
  41         buffer = ByteBufAllocator.DEFAULT.buffer();
  42     }
  43
  44     @Test
  45     public void deserialize() {
  46         createBuffer(buffer);
  47
  48         action = decapCodec.deserialize(buffer);
  49
  50         ActionDecap result = (ActionDecap) action.getActionChoice();
  51
  52         assertEquals(PACKET_TYPE, result.getNxActionDecap().getPacketType());
  53         assertFalse(buffer.isReadable());
  54     }
  55
  56     @Test
  57     public void serialize() {
  58         action = createAction();
  59         decapCodec.serialize(action, buffer);
  60
  61         assertEquals(LENGTH, buffer.readableBytes());
  62         //SerializeHeader part
  63         assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
  64         assertEquals(LENGTH, buffer.readUnsignedShort());
  65         assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
  66         assertEquals(SUBTYPE, buffer.readUnsignedShort());
  67         //Serialize part
  68         assertEquals(0, buffer.readUnsignedShort());
  69         assertEquals(PACKET_TYPE.longValue(), buffer.readUnsignedInt());
  70         assertFalse(buffer.isReadable());
  71     }
  72
  73     private static void createBuffer(ByteBuf message) {
  74         message.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
  75         message.writeShort(LENGTH);
  76         message.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
  77         message.writeShort(SUBTYPE);
  78         message.writeZero(2);
  79         message.writeInt(PACKET_TYPE.intValue());
  80     }
  81
  82     private static Action createAction() {
  83         ExperimenterId experimenterId = new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
  84         ActionBuilder actionBuilder = new ActionBuilder();
  85         actionBuilder.setExperimenterId(experimenterId);
  86         final ActionDecapBuilder actionDecapBuilder = new ActionDecapBuilder();
  87         NxActionDecapBuilder nxActionDecapBuilder = new NxActionDecapBuilder();
  88
  89         nxActionDecapBuilder.setPacketType(PACKET_TYPE);
  90
  91         actionDecapBuilder.setNxActionDecap(nxActionDecapBuilder.build());
  92         actionBuilder.setActionChoice(actionDecapBuilder.build());
  93
  94         return actionBuilder.build();
  95     }
  96 }