lightning-core/src/test/java/org/apache/directmemory/lightning/internal/marshaller/ListMarshallerTestCase.java

/*
 * 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.
 */
package org.apache.directmemory.lightning.internal.marshaller;

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

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;

import org.apache.directmemory.lightning.Lightning;
import org.apache.directmemory.lightning.Serializer;
import org.apache.directmemory.lightning.base.AbstractSerializerDefinition;
import org.apache.directmemory.lightning.internal.util.DebugLogger;
import org.apache.directmemory.lightning.io.InputStreamSource;
import org.apache.directmemory.lightning.io.OutputStreamTarget;
import org.apache.directmemory.lightning.metadata.Attribute;
import org.junit.Test;

public class ListMarshallerTestCase
{

    @Test
    @SuppressWarnings( { "rawtypes", "unchecked" } )
    public void testNoGenericTypeList()
        throws Exception
    {
        Serializer serializer =
            Lightning.newBuilder().logger( new DebugLogger() ).debugCacheDirectory( new File( "target" ) ).serializerDefinitions( new AbstractSerializerDefinition()
                                                                                                                                  {

                                                                                                                                      @Override
                                                                                                                                      protected void configure()
                                                                                                                                      {
                                                                                                                                          serialize(
                                                                                                                                                     NoGenericTypeList.class ).attributes();
                                                                                                                                      }
                                                                                                                                  } ).build();

        List list = new ArrayList();
        list.add( "Foo" );
        list.add( 20 );
        list.add( null );
        list.add( BigInteger.TEN );

        NoGenericTypeList value = new NoGenericTypeList();
        value.setList( list );

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamTarget target = new OutputStreamTarget( baos );
        serializer.serialize( value, target );

        ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() );
        InputStreamSource source = new InputStreamSource( bais );
        Object result = serializer.deserialize( source );

        assertNotNull( result );
        assertEquals( value, result );
    }

    @Test
    public void testSimpleGenericTypeList()
        throws Exception
    {
        Serializer serializer =
            Lightning.newBuilder().logger( new DebugLogger() ).debugCacheDirectory( new File( "target" ) ).serializerDefinitions( new AbstractSerializerDefinition()
                                                                                                                                  {

                                                                                                                                      @Override
                                                                                                                                      protected void configure()
                                                                                                                                      {
                                                                                                                                          serialize(
                                                                                                                                                     SimpleGenericTypeList.class ).attributes();
                                                                                                                                      }
                                                                                                                                  } ).build();

        List<String> list = new ArrayList<String>();
        list.add( "Foo" );
        list.add( "Bar" );
        list.add( null );
        list.add( "Rhabarbar" );

        SimpleGenericTypeList value = new SimpleGenericTypeList();
        value.setList( list );

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamTarget target = new OutputStreamTarget( baos );
        serializer.serialize( value, target );

        ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() );
        InputStreamSource source = new InputStreamSource( bais );
        Object result = serializer.deserialize( source );

        assertNotNull( result );
        assertEquals( value, result );
    }

    @Test
    public void testComplexGenericTypeList()
        throws Exception
    {
        Serializer serializer =
            Lightning.newBuilder().logger( new DebugLogger() ).debugCacheDirectory( new File( "target" ) ).serializerDefinitions( new AbstractSerializerDefinition()
                                                                                                                                  {

                                                                                                                                      @Override
                                                                                                                                      protected void configure()
                                                                                                                                      {
                                                                                                                                          serialize(
                                                                                                                                                     ComplexGenericTypeList.class ).attributes();
                                                                                                                                      }
                                                                                                                                  } ).build();

        List<List<String>> list = new ArrayList<List<String>>();

        List<String> list1 = new ArrayList<String>();
        list1.add( "Foo" );
        list1.add( "Bar" );
        list1.add( null );
        list1.add( "Rhabarbar" );

        List<String> list2 = new ArrayList<String>();
        list2.add( null );
        list2.add( "Rhabarbar" );
        list2.add( "Foo" );
        list2.add( "Bar" );

        list.add( list1 );
        list.add( list2 );

        ComplexGenericTypeList value = new ComplexGenericTypeList();
        value.setList( list );

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamTarget target = new OutputStreamTarget( baos );
        serializer.serialize( value, target );

        ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() );
        InputStreamSource source = new InputStreamSource( bais );
        Object result = serializer.deserialize( source );

        assertNotNull( result );
        assertEquals( value, result );
    }

    @SuppressWarnings( "rawtypes" )
    public static class NoGenericTypeList
    {

        @Attribute
        private List list;

        public List getList()
        {
            return list;
        }

        public void setList( List list )
        {
            this.list = list;
        }

        @Override
        public int hashCode()
        {
            final int prime = 31;
            int result = 1;
            result = prime * result + ( ( list == null ) ? 0 : list.hashCode() );
            return result;
        }

        @Override
        public boolean equals( Object obj )
        {
            if ( this == obj )
            {
                return true;
            }
            if ( obj == null )
            {
                return false;
            }
            if ( getClass() != obj.getClass() )
            {
                return false;
            }
            NoGenericTypeList other = (NoGenericTypeList) obj;
            if ( list == null )
            {
                if ( other.list != null )
                {
                    return false;
                }
            }
            else if ( !list.equals( other.list ) )
            {
                return false;
            }
            return true;
        }

        @Override
        public String toString()
        {
            return "NoGenericTypeList [list=" + list + "]";
        }
    }

    public static class SimpleGenericTypeList
    {

        @Attribute
        private List<String> list;

        public List<String> getList()
        {
            return list;
        }

        public void setList( List<String> list )
        {
            this.list = list;
        }

        @Override
        public int hashCode()
        {
            final int prime = 31;
            int result = 1;
            result = prime * result + ( ( list == null ) ? 0 : list.hashCode() );
            return result;
        }

        @Override
        public boolean equals( Object obj )
        {
            if ( this == obj )
            {
                return true;
            }
            if ( obj == null )
            {
                return false;
            }
            if ( getClass() != obj.getClass() )
            {
                return false;
            }
            SimpleGenericTypeList other = (SimpleGenericTypeList) obj;
            if ( list == null )
            {
                if ( other.list != null )
                {
                    return false;
                }
            }
            else if ( !list.equals( other.list ) )
            {
                return false;
            }
            return true;
        }

        @Override
        public String toString()
        {
            return "SimpleGenericTypeList [list=" + list + "]";
        }
    }

    public static class ComplexGenericTypeList
    {

        @Attribute
        private List<List<String>> list;

        public List<List<String>> getList()
        {
            return list;
        }

        public void setList( List<List<String>> list )
        {
            this.list = list;
        }

        @Override
        public int hashCode()
        {
            final int prime = 31;
            int result = 1;
            result = prime * result + ( ( list == null ) ? 0 : list.hashCode() );
            return result;
        }

        @Override
        public boolean equals( Object obj )
        {
            if ( this == obj )
            {
                return true;
            }
            if ( obj == null )
            {
                return false;
            }
            if ( getClass() != obj.getClass() )
            {
                return false;
            }
            ComplexGenericTypeList other = (ComplexGenericTypeList) obj;
            if ( list == null )
            {
                if ( other.list != null )
                {
                    return false;
                }
            }
            else if ( !list.equals( other.list ) )
            {
                return false;
            }
            return true;
        }

        @Override
        public String toString()
        {
            return "ComplexGenericTypeList [list=" + list + "]";
        }
    }
}