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* 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.Reader;
import java.io.StringReader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import org.apache.lucene.analysis.core.WhitespaceTokenizer;
import org.apache.lucene.util._TestUtil;
public class DoubleMetaphoneFilterTest extends BaseTokenStreamTestCase {
public void testSize4FalseInject() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("international"));
TokenStream filter = new DoubleMetaphoneFilter(stream, 4, false);
assertTokenStreamContents(filter, new String[] { "ANTR" });
}
public void testSize4TrueInject() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("international"));
TokenStream filter = new DoubleMetaphoneFilter(stream, 4, true);
assertTokenStreamContents(filter, new String[] { "international", "ANTR" });
}
public void testAlternateInjectFalse() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("Kuczewski"));
TokenStream filter = new DoubleMetaphoneFilter(stream, 4, false);
assertTokenStreamContents(filter, new String[] { "KSSK", "KXFS" });
}
public void testSize8FalseInject() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("international"));
TokenStream filter = new DoubleMetaphoneFilter(stream, 8, false);
assertTokenStreamContents(filter, new String[] { "ANTRNXNL" });
}
public void testNonConvertableStringsWithInject() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("12345 #$%@#^%&"));
TokenStream filter = new DoubleMetaphoneFilter(stream, 8, true);
assertTokenStreamContents(filter, new String[] { "12345", "#$%@#^%&" });
}
public void testNonConvertableStringsWithoutInject() throws Exception {
TokenStream stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("12345 #$%@#^%&"));
TokenStream filter = new DoubleMetaphoneFilter(stream, 8, false);
assertTokenStreamContents(filter, new String[] { "12345", "#$%@#^%&" });
// should have something after the stream
stream = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("12345 #$%@#^%& hello"));
filter = new DoubleMetaphoneFilter(stream, 8, false);
assertTokenStreamContents(filter, new String[] { "12345", "#$%@#^%&", "HL" });
}
public void testRandom() throws Exception {
final int codeLen = _TestUtil.nextInt(random(), 1, 8);
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(tokenizer, new DoubleMetaphoneFilter(tokenizer, codeLen, false));
}
};
checkRandomData(random(), a, 1000 * RANDOM_MULTIPLIER);
Analyzer b = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(tokenizer, new DoubleMetaphoneFilter(tokenizer, codeLen, true));
}
};
checkRandomData(random(), b, 1000 * RANDOM_MULTIPLIER);
}
public void testEmptyTerm() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new KeywordTokenizer(reader);
return new TokenStreamComponents(tokenizer, new DoubleMetaphoneFilter(tokenizer, 8, random().nextBoolean()));
}
};
checkOneTerm(a, "", "");
}
}