/**
* 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.mahout.ga.watchmaker.cd.hadoop;
import junit.framework.TestCase;
import org.apache.hadoop.fs.Path;
import org.apache.mahout.ga.watchmaker.cd.CDFitness;
import org.apache.mahout.ga.watchmaker.cd.Rule;
import org.apache.mahout.ga.watchmaker.cd.utils.RandomRule;
import org.apache.mahout.ga.watchmaker.cd.utils.RandomRuleResults;
import org.uncommons.maths.random.MersenneTwisterRNG;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
public class CDMahoutEvaluatorTest extends TestCase {
public void testEvaluate() throws Exception {
int nbrules = 100;
Random rng = new MersenneTwisterRNG();
int target = 1;
// random rules
List<Rule> rules = new ArrayList<Rule>();
for (int index = 0; index < nbrules; index++) {
rules.add(new RandomRule(index, target, rng));
}
// dataset
Path input = new Path("target/test-classes/wdbc");
CDMahoutEvaluator.initializeDataSet(input);
// evaluate the rules
List<CDFitness> results = new ArrayList<CDFitness>();
CDMahoutEvaluator.evaluate(rules, target, input, results);
// check the results
for (int index = 0; index < nbrules; index++) {
assertEquals("rule " + index, RandomRuleResults.getResult(index),
results.get(index));
}
}
}