package org.apache.directmemory.serialization;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.io.IOException;

import org.apache.directmemory.measures.Monitor;
import org.apache.directmemory.measures.MonitorService;
import org.apache.directmemory.measures.Ram;
import org.apache.directmemory.misc.DummyPojo;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.carrotsearch.junitbenchmarks.AbstractBenchmark;
import com.carrotsearch.junitbenchmarks.BenchmarkOptions;
import com.carrotsearch.junitbenchmarks.annotation.AxisRange;
import com.carrotsearch.junitbenchmarks.annotation.BenchmarkHistoryChart;
import com.carrotsearch.junitbenchmarks.annotation.BenchmarkMethodChart;
import com.carrotsearch.junitbenchmarks.annotation.LabelType;

@AxisRange( min = 0, max = 1 )
@BenchmarkMethodChart()
@BenchmarkHistoryChart( labelWith = LabelType.CUSTOM_KEY, maxRuns = 5 )
@BenchmarkOptions( benchmarkRounds = 2, warmupRounds = 1, concurrency = 1 )

public class SerializerTest
    extends AbstractBenchmark
{

    private static Logger logger = LoggerFactory.getLogger( SerializerTest.class );

    private void testSerializer( String name, Serializer serializer, int size, int howMany )
        throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException
    {
        logger.info( "begin " + serializer.getClass().toString() );
        MonitorService stopWatch = Monitor.get( "serializer." + name + "." + size + "bytes" );
        MonitorService stopWatch2 = Monitor.get( "deserializer." + name + "." + size + "bytes" );
        DummyPojo pojo = new DummyPojo( "test", size );
        for ( int i = 0; i < howMany; i++ )
        {
            long split = stopWatch.start();
            final byte[] array = serializer.serialize( pojo );
            stopWatch.stop( split );
            long split2 = stopWatch2.start();
            DummyPojo check = (DummyPojo) serializer.deserialize( array, pojo.getClass() );
            stopWatch2.stop( split2 );
            assertNotNull( "object has not been serialized", check );
            assertEquals( pojo.name, check.name );
        }
        logger.info( "end serialize " + serializer.getClass().toString() + "\r\n" + stopWatch.toString() );
        logger.info( "end deserialize " + serializer.getClass().toString() + "\r\n" + stopWatch2.toString() );
    }

    @Test
    public void StandardTest()
        throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException
    {
        testSerializer( "java-serialization", new StandardSerializer(), Ram.Kb( 1 ), 20000 );
        testSerializer( "java-serialization", new StandardSerializer(), Ram.Kb( 2 ), 20000 );
        testSerializer( "java-serialization", new StandardSerializer(), Ram.Kb( 3 ), 20000 );
        testSerializer( "java-serialization", new StandardSerializer(), Ram.Kb( 4 ), 20000 );
    }

}