Package org.encog.persist

Source Code of org.encog.persist.TestPersistHopfield

/*
* Encog(tm) Core v3.3 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2014 Heaton Research, Inc.
*
* Licensed 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.
*  
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.persist;

import java.io.File;
import java.io.IOException;

import junit.framework.Assert;
import junit.framework.TestCase;

import org.encog.neural.thermal.HopfieldNetwork;
import org.encog.util.TempDir;
import org.encog.util.obj.SerializeObject;

public class TestPersistHopfield extends TestCase {
 
  public final TempDir TEMP_DIR = new TempDir();
  public final File EG_FILENAME = TEMP_DIR.createFile("encogtest.eg");
  public final File SERIAL_FILENAME = TEMP_DIR.createFile("encogtest.ser");
 
  public void testPersistEG()
  {
    HopfieldNetwork network = new HopfieldNetwork(4);
    network.setWeight(1,1,1);
    network.setProperty("x", 10);
   
    EncogDirectoryPersistence.saveObject(EG_FILENAME, network);
    HopfieldNetwork network2 = (HopfieldNetwork)EncogDirectoryPersistence.loadObject((EG_FILENAME));
   
    validateHopfield(network2);
  }
 
  public void testPersistSerial() throws IOException, ClassNotFoundException
  {
    HopfieldNetwork network = new HopfieldNetwork(4);
    network.setWeight(1,1,1);
   
    SerializeObject.save(SERIAL_FILENAME, network);
    HopfieldNetwork network2 = (HopfieldNetwork)SerializeObject.load(SERIAL_FILENAME);
       
    validateHopfield(network2);
  }
 
  private void validateHopfield(HopfieldNetwork network)
  {
    Assert.assertEquals(4, network.getNeuronCount());
    Assert.assertEquals(4, network.getCurrentState().size());
    Assert.assertEquals(16, network.getWeights().length);
    Assert.assertEquals(1.0,network.getWeight(1, 1));
  }
 
  @Override
  protected void tearDown() throws Exception {
    super.tearDown();
    TEMP_DIR.dispose();
  }
}
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