openflowplugin-impl/src/test/java/org/opendaylight/openflowplugin/impl/protocol/serialization/instructions/AbstractInstructionSerializerTest.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.serialization.instructions;
  10
  11 import static org.junit.Assert.assertEquals;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.UnpooledByteBufAllocator;
  15 import java.util.function.Consumer;
  16 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  19 import org.opendaylight.openflowplugin.impl.protocol.serialization.AbstractSerializerTest;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
  21
  22 public abstract class AbstractInstructionSerializerTest extends AbstractSerializerTest {
  23     private AbstractInstructionSerializer serializer;
  24
  25     @Override
  26     protected void init() {
  27         serializer = getRegistry().getSerializer(new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, getClazz()));
  28     }
  29
  30     protected void assertInstruction(final Instruction instruction, final Consumer<ByteBuf> assertBody) {
  31         // Header serialization
  32         final ByteBuf bufferHeader = UnpooledByteBufAllocator.DEFAULT.buffer();
  33         serializer.serializeHeader(instruction, bufferHeader);
  34         assertEquals(bufferHeader.readUnsignedShort(), getType());
  35         assertEquals(bufferHeader.readUnsignedShort(), InstructionConstants.INSTRUCTION_IDS_LENGTH);
  36         assertEquals(bufferHeader.readableBytes(), 0);
  37
  38         // Header and body serialization
  39         final ByteBuf buffer = UnpooledByteBufAllocator.DEFAULT.buffer();
  40         serializer.serialize(instruction, buffer);
  41         assertEquals(buffer.readUnsignedShort(), getType());
  42         assertEquals(buffer.readUnsignedShort(), getLength());
  43         assertBody.accept(buffer);
  44         assertEquals(buffer.readableBytes(), 0);
  45     }
  46
  47     protected AbstractInstructionSerializer getSerializer() {
  48         return serializer;
  49     }
  50
  51     protected abstract Class<? extends Instruction> getClazz();
  52
  53     protected abstract int getType();
  54
  55     protected abstract int getLength();
  56 }