/*
 * Copyright (c) 2014 Pantheon Technologies s.r.o. and others. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.openflowjava.protocol.impl.serialization;

import static org.junit.Assert.assertEquals;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.PooledByteBufAllocator;

import org.junit.Test;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInputBuilder;

/**
 * @author michal.polkorab
 *
 */
public class SerializationFactoryTest {

    /**
     * Test serializer lookup & serialization
     */
    @Test
    public void test() {
        SerializerRegistry registry = new SerializerRegistryImpl();
        registry.init();
        SerializationFactory factory = new SerializationFactory();
        factory.setSerializerTable(registry);
        ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
        HelloInputBuilder helloBuilder = new HelloInputBuilder();
        helloBuilder.setVersion((short) EncodeConstants.OF10_VERSION_ID);
        helloBuilder.setXid(123456L);
        helloBuilder.setElements(null);
        factory.messageToBuffer(EncodeConstants.OF10_VERSION_ID, buffer, helloBuilder.build());
        assertEquals("Serialization failed", EncodeConstants.OFHEADER_SIZE, buffer.readableBytes());
    }

    /**
     * Test serializer not found scenario
     */
    @Test(expected=IllegalStateException.class)
    public void testNotExistingSerializer() {
        SerializerRegistry registry = new SerializerRegistryImpl();
        registry.init();
        SerializationFactory factory = new SerializationFactory();
        factory.setSerializerTable(registry);
        ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
        HelloInputBuilder helloBuilder = new HelloInputBuilder();
        helloBuilder.setVersion((short) EncodeConstants.OF10_VERSION_ID);
        helloBuilder.setXid(123456L);
        helloBuilder.setElements(null);
        factory.messageToBuffer((short) 0, buffer, helloBuilder.build());
    }
}