/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Copyright (C) 2005 University of Waikato, Hamilton, New Zealand
*/
package weka.filters.unsupervised.attribute;
import weka.core.Instances;
import weka.filters.AbstractFilterTest;
import weka.filters.Filter;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* Tests PKIDiscretize. Run from the command line with: <p/>
* java weka.filters.unsupervised.attribute.PKIDiscretizeTest
*
* @author FracPete (fracpete at waikato dot ac dot nz)
* @version $Revision: 1.2 $
*/
public class PKIDiscretizeTest
extends AbstractFilterTest {
/** the attribute to discretize */
protected int m_AttIndex;
public PKIDiscretizeTest(String name) {
super(name);
}
/** Need to remove non-nominal attributes, set class index */
protected void setUp() throws Exception {
super.setUp();
m_Instances.setClassIndex(1);
m_AttIndex = 2;
}
/** Creates a default PKIDiscretize */
public Filter getFilter() {
PKIDiscretize f = new PKIDiscretize();
f.setAttributeIndicesArray(new int[]{m_AttIndex});
return f;
}
public void testTypical() {
m_Filter = getFilter();
Instances result = useFilter();
assertEquals(m_Instances.numAttributes(), result.numAttributes());
assertEquals(m_Instances.numInstances(), result.numInstances());
// the discretized attribute must be nominal
assertTrue(result.attribute(m_AttIndex).isNominal());
}
public static Test suite() {
return new TestSuite(PKIDiscretizeTest.class);
}
public static void main(String[] args){
junit.textui.TestRunner.run(suite());
}
}