001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.codec;
019
020import static org.junit.Assert.assertEquals;
021import static org.junit.Assert.assertTrue;
022
023import java.util.Arrays;
024import java.util.Collections;
025import java.util.List;
026
027import org.apache.commons.codec.language.DoubleMetaphone;
028import org.apache.commons.codec.language.Soundex;
029import org.junit.Test;
030
031/**
032 * Test cases for the StingEncoderComparator.
033 *
034 * @version $Id: StringEncoderComparatorTest.html 891688 2013-12-24 20:49:46Z ggregory $
035 */
036public class StringEncoderComparatorTest {
037
038    @Test
039    public void testComparatorWithSoundex() throws Exception {
040        final StringEncoderComparator sCompare =
041            new StringEncoderComparator( new Soundex() );
042
043        assertTrue( "O'Brien and O'Brian didn't come out with " +
044                    "the same Soundex, something must be wrong here",
045                    0 == sCompare.compare( "O'Brien", "O'Brian" ) );
046    }
047
048    @Test
049    public void testComparatorWithDoubleMetaphone() throws Exception {
050        final StringEncoderComparator sCompare = new StringEncoderComparator(new DoubleMetaphone());
051
052        final String[] testArray = { "Jordan", "Sosa", "Prior", "Pryor" };
053        final List<String> testList = Arrays.asList(testArray);
054
055        final String[] controlArray = { "Jordan", "Prior", "Pryor", "Sosa" };
056
057        Collections.sort(testList, sCompare);
058
059        final String[] resultArray = testList.toArray(new String[0]);
060
061        for (int i = 0; i < resultArray.length; i++) {
062            assertEquals("Result Array not Equal to Control Array at index: " + i, controlArray[i], resultArray[i]);
063        }
064    }
065
066    @Test
067    public void testComparatorWithDoubleMetaphoneAndInvalidInput() throws Exception {
068        final StringEncoderComparator sCompare =
069            new StringEncoderComparator( new DoubleMetaphone() );
070
071        final int compare = sCompare.compare(new Double(3.0), Long.valueOf(3));
072        assertEquals( "Trying to compare objects that make no sense to the underlying encoder should return a zero compare code",
073                                0, compare);
074    }
075}