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
  27 public class DecapCodecTest {
  28
  29     private static final int LENGTH = 16;
  30     private static final int SUBTYPE = 47;
  31     private static final long PACKET_TYPE = 0xFFFEL;
  32
  33     DecapCodec decapCodec;
  34     ByteBuf buffer;
  35     Action action;
  36
  37     @Before
  38     public void setUp() {
  39         decapCodec = new DecapCodec();
  40         buffer = ByteBufAllocator.DEFAULT.buffer();
  41     }
  42
  43     @Test
  44     public void deserialize() {
  45         createBuffer(buffer);
  46
  47         action = decapCodec.deserialize(buffer);
  48
  49         ActionDecap result = (ActionDecap) action.getActionChoice();
  50
  51         assertEquals(PACKET_TYPE, result.getNxActionDecap().getPacketType().longValue());
  52         assertFalse(buffer.isReadable());
  53     }
  54
  55     @Test
  56     public void serialize() {
  57         action = createAction();
  58         decapCodec.serialize(action, buffer);
  59
  60         assertEquals(LENGTH, buffer.readableBytes());
  61         //SerializeHeader part
  62         assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
  63         assertEquals(LENGTH, buffer.readUnsignedShort());
  64         assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
  65         assertEquals(SUBTYPE, buffer.readUnsignedShort());
  66         //Serialize part
  67         assertEquals(0, buffer.readUnsignedShort());
  68         assertEquals(PACKET_TYPE, buffer.readUnsignedInt());
  69         assertFalse(buffer.isReadable());
  70     }
  71
  72     private void createBuffer(ByteBuf message) {
  73         message.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
  74         message.writeShort(LENGTH);
  75         message.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
  76         message.writeShort(SUBTYPE);
  77         message.writeZero(2);
  78         message.writeInt((int) PACKET_TYPE);
  79     }
  80
  81     private Action createAction() {
  82         ExperimenterId experimenterId = new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
  83         ActionBuilder actionBuilder = new ActionBuilder();
  84         actionBuilder.setExperimenterId(experimenterId);
  85         final ActionDecapBuilder actionDecapBuilder = new ActionDecapBuilder();
  86         NxActionDecapBuilder nxActionDecapBuilder = new NxActionDecapBuilder();
  87
  88         nxActionDecapBuilder.setPacketType(PACKET_TYPE);
  89
  90         actionDecapBuilder.setNxActionDecap(nxActionDecapBuilder.build());
  91         actionBuilder.setActionChoice(actionDecapBuilder.build());
  92
  93         return actionBuilder.build();
  94     }
  95 }