package org.apache.commons.jcs.utils.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 junit.framework.TestCase;
  import org.apache.commons.jcs.engine.CacheElement;
  import org.apache.commons.jcs.engine.ElementAttributes;
  import org.apache.commons.jcs.engine.behavior.ICacheElement;
  import org.apache.commons.jcs.engine.behavior.ICacheElementSerialized;
  import org.apache.commons.jcs.engine.behavior.IElementAttributes;
  import org.apache.commons.jcs.engine.behavior.IElementSerializer;
  
  import java.io.IOException;
  
  /**
   * Tests the serialization conversion util.
   * <p>
   * @author Aaron Smuts
   */
  public class SerializationConversionUtilUnitTest
      extends TestCase
  {
      /**
       * Verify null for null.
       * <p>
       * @throws IOException
       */
      public void testgGetSerializedCacheElement_null()
          throws IOException
      {
          // SETUP
          IElementSerializer elementSerializer = new StandardSerializer();
          ICacheElement<String, String> before = null;
  
          // DO WORK
          ICacheElementSerialized<String, String> result =
              SerializationConversionUtil.getSerializedCacheElement( before, elementSerializer );
  
          // VERIFY
          assertNull( "Should get null for null", result );
      }
  
      /**
       * Verify null for null.
       * <p>
       * @throws Exception
       */
      public void testgGetDeSerializedCacheElement_null()
          throws Exception
      {
          // SETUP
          IElementSerializer elementSerializer = new StandardSerializer();
          ICacheElementSerialized<String, String> before = null;
  
          // DO WORK
          ICacheElement<String, String> result =
              SerializationConversionUtil.getDeSerializedCacheElement( before, elementSerializer );
  
          // VERIFY
          assertNull( "Should get null for null", result );
      }
  
      /**
       * Verify that we can go back and forth with the simplest of objects.
       * <p>
       * @throws Exception
       */
      public void testSimpleConversion()
          throws Exception
      {
          // SETUP
          String cacheName = "testName";
          String key = "key";
          String value = "value fdsadf dsafdsa fdsaf dsafdsaf dsafdsaf dsaf dsaf dsaf dsafa dsaf dsaf dsafdsaf";
  
          IElementSerializer elementSerializer = new StandardSerializer();
  
          IElementAttributes attr = new ElementAttributes();
          attr.setMaxLife(34);
  
          ICacheElement<String, String> before = new CacheElement<String, String>( cacheName, key, value );
          before.setElementAttributes( attr );
 
         // DO WORK
         ICacheElementSerialized<String, String> serialized =
             SerializationConversionUtil.getSerializedCacheElement( before, elementSerializer );
 
         // VERIFY
         assertNotNull( "Should have a serialized object.", serialized );
 
         // DO WORK
         ICacheElement<String, String> after =
             SerializationConversionUtil.getDeSerializedCacheElement( serialized, elementSerializer );
 
         // VERIFY
         assertNotNull( "Should have a deserialized object.", after );
         assertEquals( "Values should be the same.", before.getVal(), after.getVal() );
         assertEquals( "Attributes should be the same.", before.getElementAttributes().getMaxLife(), after
             .getElementAttributes().getMaxLife() );
         assertEquals( "Keys should be the same.", before.getKey(), after.getKey() );
         assertEquals( "Cache name should be the same.", before.getCacheName(), after.getCacheName() );
     }
 
     /**
      * Verify that we can go back and forth with the simplest of objects.
      *<p>
      * @throws Exception
      */
     public void testAccidentalDoubleConversion()
         throws Exception
     {
         // SETUP
         String cacheName = "testName";
         String key = "key";
         String value = "value fdsadf dsafdsa fdsaf dsafdsaf dsafdsaf dsaf dsaf dsaf dsafa dsaf dsaf dsafdsaf";
 
         IElementSerializer elementSerializer = new StandardSerializer();
 
         IElementAttributes attr = new ElementAttributes();
         attr.setMaxLife(34);
 
         ICacheElement<String, String> before = new CacheElement<String, String>( cacheName, key, value );
         before.setElementAttributes( attr );
 
         // DO WORK
         ICacheElementSerialized<String, String> alreadySerialized =
             SerializationConversionUtil.getSerializedCacheElement( before, elementSerializer );
         ICacheElementSerialized<String, String> serialized =
             SerializationConversionUtil.getSerializedCacheElement( alreadySerialized, elementSerializer );
 
         // VERIFY
         assertNotNull( "Should have a serialized object.", serialized );
 
         // DO WORK
         ICacheElement<String, String> after =
             SerializationConversionUtil.getDeSerializedCacheElement( serialized, elementSerializer );
 
         // VERIFY
         assertNotNull( "Should have a deserialized object.", after );
         assertEquals( "Values should be the same.", before.getVal(), after.getVal() );
         assertEquals( "Attributes should be the same.", before.getElementAttributes().getMaxLife(), after
             .getElementAttributes().getMaxLife() );
         assertEquals( "Keys should be the same.", before.getKey(), after.getKey() );
         assertEquals( "Cache name should be the same.", before.getCacheName(), after.getCacheName() );
     }
 
     /**
      * Verify that we get an IOException for a null serializer.
      */
     public void testNullSerializerConversion()
     {
         // SETUP
         String cacheName = "testName";
         String key = "key";
         String value = "value fdsadf dsafdsa fdsaf dsafdsaf dsafdsaf dsaf dsaf dsaf dsafa dsaf dsaf dsafdsaf";
 
         IElementSerializer elementSerializer = null;// new StandardSerializer();
 
         IElementAttributes attr = new ElementAttributes();
         attr.setMaxLife(34);
 
         ICacheElement<String, String> before = new CacheElement<String, String>( cacheName, key, value );
         before.setElementAttributes( attr );
 
         // DO WORK
         try
         {
             SerializationConversionUtil.getSerializedCacheElement( before, elementSerializer );
 
             // VERIFY
             fail( "We should have received an IOException." );
         }
         catch ( IOException e )
         {
             // expected
         }
     }
 }