| /* |
| * 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.lucene.analysis.phonetic; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| |
| import org.apache.commons.codec.Encoder; |
| import org.apache.commons.codec.language.Caverphone2; |
| import org.apache.commons.codec.language.DoubleMetaphone; |
| import org.apache.commons.codec.language.Metaphone; |
| import org.apache.commons.codec.language.Nysiis; |
| import org.apache.commons.codec.language.RefinedSoundex; |
| import org.apache.commons.codec.language.Soundex; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.MockTokenizer; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.core.KeywordTokenizer; |
| |
| /** |
| * Tests {@link PhoneticFilter} |
| */ |
| public class TestPhoneticFilter extends BaseTokenStreamTestCase { |
| |
| public void testAlgorithms() throws Exception { |
| assertAlgorithm(new Metaphone(), true, "aaa bbb ccc easgasg", |
| new String[] { "A", "aaa", "B", "bbb", "KKK", "ccc", "ESKS", "easgasg" }); |
| assertAlgorithm(new Metaphone(), false, "aaa bbb ccc easgasg", |
| new String[] { "A", "B", "KKK", "ESKS" }); |
| |
| assertAlgorithm(new DoubleMetaphone(), true, "aaa bbb ccc easgasg", |
| new String[] { "A", "aaa", "PP", "bbb", "KK", "ccc", "ASKS", "easgasg" }); |
| assertAlgorithm(new DoubleMetaphone(), false, "aaa bbb ccc easgasg", |
| new String[] { "A", "PP", "KK", "ASKS" }); |
| |
| assertAlgorithm(new Soundex(), true, "aaa bbb ccc easgasg", |
| new String[] { "A000", "aaa", "B000", "bbb", "C000", "ccc", "E220", "easgasg" }); |
| assertAlgorithm(new Soundex(), false, "aaa bbb ccc easgasg", |
| new String[] { "A000", "B000", "C000", "E220" }); |
| |
| assertAlgorithm(new RefinedSoundex(), true, "aaa bbb ccc easgasg", |
| new String[] { "A0", "aaa", "B1", "bbb", "C3", "ccc", "E034034", "easgasg" }); |
| assertAlgorithm(new RefinedSoundex(), false, "aaa bbb ccc easgasg", |
| new String[] { "A0", "B1", "C3", "E034034" }); |
| |
| assertAlgorithm(new Caverphone2(), true, "Darda Karleen Datha Carlene", |
| new String[] { "TTA1111111", "Darda", "KLN1111111", "Karleen", |
| "TTA1111111", "Datha", "KLN1111111", "Carlene" }); |
| assertAlgorithm(new Caverphone2(), false, "Darda Karleen Datha Carlene", |
| new String[] { "TTA1111111", "KLN1111111", "TTA1111111", "KLN1111111" }); |
| |
| assertAlgorithm(new Nysiis(), true, "aaa bbb ccc easgasg", |
| new String[] { "A", "aaa", "B", "bbb", "C", "ccc", "EASGAS", "easgasg" }); |
| assertAlgorithm(new Nysiis(), false, "aaa bbb ccc easgasg", |
| new String[] { "A", "B", "C", "EASGAS" }); |
| } |
| |
| |
| static void assertAlgorithm(Encoder encoder, boolean inject, String input, |
| String[] expected) throws Exception { |
| Tokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| tokenizer.setReader(new StringReader(input)); |
| PhoneticFilter filter = new PhoneticFilter(tokenizer, encoder, inject); |
| assertTokenStreamContents(filter, expected); |
| } |
| |
| /** blast some random strings through the analyzer */ |
| public void testRandomStrings() throws IOException { |
| Encoder encoders[] = new Encoder[] { |
| new Metaphone(), new DoubleMetaphone(), new Soundex(), new RefinedSoundex(), new Caverphone2() |
| }; |
| |
| for (final Encoder e : encoders) { |
| Analyzer a = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| return new TokenStreamComponents(tokenizer, new PhoneticFilter(tokenizer, e, false)); |
| } |
| }; |
| |
| checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER); |
| a.close(); |
| |
| Analyzer b = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| return new TokenStreamComponents(tokenizer, new PhoneticFilter(tokenizer, e, false)); |
| } |
| }; |
| |
| checkRandomData(random(), b, 200 * RANDOM_MULTIPLIER); |
| b.close(); |
| } |
| } |
| |
| public void testEmptyTerm() throws IOException { |
| Encoder encoders[] = new Encoder[] { |
| new Metaphone(), new DoubleMetaphone(), new Soundex(), new RefinedSoundex(), new Caverphone2() |
| }; |
| for (final Encoder e : encoders) { |
| Analyzer a = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new KeywordTokenizer(); |
| return new TokenStreamComponents(tokenizer, new PhoneticFilter(tokenizer, e, random().nextBoolean())); |
| } |
| }; |
| checkOneTerm(a, "", ""); |
| a.close(); |
| } |
| } |
| } |