/*
* 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.engine.network.activation.ActivationSigmoid;
import org.encog.neural.networks.BasicNetwork;
import org.encog.neural.networks.XOR;
import org.encog.neural.networks.layers.BasicLayer;
import org.encog.util.EngineArray;
import org.encog.util.TempDir;
import org.encog.util.obj.SerializeObject;
public class TestPersistBasicNetwork 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 BasicNetwork create()
{
BasicNetwork network = XOR.createTrainedXOR();
XOR.verifyXOR(network, 0.1);
network.setProperty("test", "test2");
return network;
}
public void validate(BasicNetwork network)
{
network.clearContext();
XOR.verifyXOR(network, 0.1);
}
public void testPersistEG()
{
BasicNetwork network = create();
EncogDirectoryPersistence.saveObject(EG_FILENAME, network);
BasicNetwork network2 = (BasicNetwork)EncogDirectoryPersistence.loadObject(EG_FILENAME);
validate(network2);
}
public void testPersistMediumEG()
{
BasicNetwork network = new BasicNetwork();
network.addLayer(new BasicLayer(null,true,10));
network.addLayer(new BasicLayer(new ActivationSigmoid(),true,10));
network.addLayer(new BasicLayer(new ActivationSigmoid(),false,10));
network.getStructure().finalizeStructure();
network.reset();
EncogDirectoryPersistence.saveObject(EG_FILENAME, network);
BasicNetwork network2 = (BasicNetwork)EncogDirectoryPersistence.loadObject(EG_FILENAME);
double d = EngineArray.euclideanDistance(network.getStructure().getFlat().getWeights(),
network2.getStructure().getFlat().getWeights());
Assert.assertTrue(d<0.01);
}
public void testPersistLargeEG()
{
BasicNetwork network = new BasicNetwork();
network.addLayer(new BasicLayer(null,true,200));
network.addLayer(new BasicLayer(new ActivationSigmoid(),true,200));
network.addLayer(new BasicLayer(new ActivationSigmoid(),true,200));
network.addLayer(new BasicLayer(new ActivationSigmoid(),false,200));
network.getStructure().finalizeStructure();
network.reset();
EncogDirectoryPersistence.saveObject(EG_FILENAME, network);
BasicNetwork network2 = (BasicNetwork)EncogDirectoryPersistence.loadObject(EG_FILENAME);
double d = EngineArray.euclideanDistance(network.getStructure().getFlat().getWeights(),
network2.getStructure().getFlat().getWeights());
Assert.assertTrue(d<0.01);
}
public void testPersistSerial() throws IOException, ClassNotFoundException
{
BasicNetwork network = create();
SerializeObject.save(SERIAL_FILENAME, network);
BasicNetwork network2 = (BasicNetwork)SerializeObject.load(SERIAL_FILENAME);
validate(network2);
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
TEMP_DIR.dispose();
}
}