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.assertEquals;
  12 import static org.junit.Assert.assertArrayEquals;
  13
  14 import java.math.BigInteger;
  15
  16 import org.junit.Test;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  19 import org.opendaylight.openflowplugin.openflow.md.util.ByteUtil;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCase;
  22
  23 import io.netty.buffer.ByteBuf;
  24 import io.netty.buffer.UnpooledByteBufAllocator;
  25
  26 public class WriteMetadataInstructionDeserializerTest extends AbstractInstructionDeserializerTest {
  27
  28     @Test
  29     public void testDeserialize() throws Exception {
  30         final ByteBuf in = UnpooledByteBufAllocator.DEFAULT.buffer();
  31         final BigInteger metadata = BigInteger.valueOf(1234567890L);
  32         final BigInteger metadataMask = BigInteger.valueOf(9876543210L);
  33         writeHeader(in);
  34         in.writeZero(InstructionConstants.PADDING_IN_WRITE_METADATA);
  35         in.writeBytes(ByteUtil.convertBigIntegerToNBytes(metadata, EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  36         in.writeBytes(ByteUtil.convertBigIntegerToNBytes(metadataMask, EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  37
  38         final Instruction instruction = deserializeInstruction(in);
  39         assertEquals(WriteMetadataCase.class, instruction.getImplementedInterface());
  40         assertArrayEquals(metadata.toByteArray(),
  41                 WriteMetadataCase.class.cast(instruction).getWriteMetadata().getMetadata().toByteArray());
  42         assertArrayEquals(metadataMask.toByteArray(),
  43                 WriteMetadataCase.class.cast(instruction).getWriteMetadata().getMetadataMask().toByteArray());
  44         assertEquals(0, in.readableBytes());
  45     }
  46
  47     @Override
  48     protected short getType() {
  49         return InstructionConstants.WRITE_METADATA_TYPE;
  50     }
  51
  52     @Override
  53     protected short getLength() {
  54         return InstructionConstants.STANDARD_INSTRUCTION_LENGTH;
  55     }
  56
  57 }