openflowplugin-impl/src/test/java/org/opendaylight/openflowplugin/impl/protocol/deserialization/instruction/WriteMetadataInstructionDeserializerTest.java

   1 /*
   2  * Copyright (c) 2016 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.openflowplugin.impl.protocol.deserialization.instruction;
  10
  11 import static org.junit.Assert.assertArrayEquals;
  12 import static org.junit.Assert.assertEquals;
  13
  14 import io.netty.buffer.ByteBuf;
  15 import io.netty.buffer.UnpooledByteBufAllocator;
  16 import java.math.BigInteger;
  17 import org.junit.Test;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  20 import org.opendaylight.openflowplugin.openflow.md.util.ByteUtil;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCase;
  23
  24 public class WriteMetadataInstructionDeserializerTest extends AbstractInstructionDeserializerTest {
  25
  26     @Test
  27     public void testDeserialize() throws Exception {
  28         final ByteBuf in = UnpooledByteBufAllocator.DEFAULT.buffer();
  29         final BigInteger metadata = BigInteger.valueOf(1234L);
  30         final BigInteger metadataMask = BigInteger.valueOf(9876L);
  31         writeHeader(in);
  32         in.writeZero(InstructionConstants.PADDING_IN_WRITE_METADATA);
  33         in.writeBytes(ByteUtil.convertBigIntegerToNBytes(metadata, EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  34         in.writeBytes(ByteUtil.convertBigIntegerToNBytes(metadataMask, EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  35
  36         final Instruction instruction = deserializeInstruction(in);
  37         assertEquals(WriteMetadataCase.class, instruction.getImplementedInterface());
  38
  39         assertArrayEquals(
  40                 ByteUtil
  41                         .convertBigIntegerToNBytes(metadata, EncodeConstants.SIZE_OF_LONG_IN_BYTES),
  42                 ByteUtil
  43                         .convertBigIntegerToNBytes(WriteMetadataCase.class.cast(instruction).getWriteMetadata()
  44                                 .getMetadata(), EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  45
  46         assertArrayEquals(
  47                 ByteUtil
  48                         .convertBigIntegerToNBytes(metadataMask, EncodeConstants.SIZE_OF_LONG_IN_BYTES),
  49                 ByteUtil
  50                         .convertBigIntegerToNBytes(WriteMetadataCase.class.cast(instruction).getWriteMetadata()
  51                                 .getMetadataMask(), EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  52
  53         assertEquals(0, in.readableBytes());
  54     }
  55
  56     @Override
  57     protected short getType() {
  58         return InstructionConstants.WRITE_METADATA_TYPE;
  59     }
  60
  61     @Override
  62     protected short getLength() {
  63         return InstructionConstants.STANDARD_INSTRUCTION_LENGTH;
  64     }
  65
  66 }