/**
* 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.tool;
import org.apache.hadoop.io.Text;
import org.apache.mahout.examples.MahoutTestCase;
import org.junit.Test;
import java.util.List;
public final class ToolCombinerTest extends MahoutTestCase {
@Test
public void testCreateDescriptionNumerical() throws Exception {
ToolCombiner combiner = new ToolCombiner();
char[] descriptors = { 'I', 'N', 'C' };
combiner.configure(descriptors);
List<Text> values = ToolReducerTest.asList("0", "10", "-32", "0.5", "-30");
String descriptor = combiner.createDescription(1, values.iterator());
assertEquals("-32.0,10.0", descriptor);
}
@Test(expected = IllegalArgumentException.class)
public void testCreateDescriptionIgnored() throws Exception {
ToolCombiner combiner = new ToolCombiner();
char[] descriptors = { 'I', 'N', 'C' };
combiner.configure(descriptors);
combiner.createDescription(0, null);
}
@Test
public void testCreateDescriptionNominal() throws Exception {
ToolCombiner combiner = new ToolCombiner();
char[] descriptors = { 'I', 'N', 'C' };
combiner.configure(descriptors);
List<Text> values = ToolReducerTest.asList("val1", "val2", "val1", "val3", "val2");
String descriptor = combiner.createDescription(2, values.iterator());
int nbvalues = 0;
for (String value : descriptor.split(",")) {
value = value.trim();
if (!"val1".equals(value) && !"val2".equals(value) && !"val3".equals(value)) {
fail("Incorrect value : " + value);
}
nbvalues++;
}
assertEquals(3, nbvalues);
}
}