package org.apache.lucene.analysis.ja;
/*
* 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.
*/
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.cjk.CJKWidthFilter;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import java.io.IOException;
import java.io.Reader;
import java.util.Random;
/**
* Tests for {@link TestJapaneseReadingFormFilter}
*/
public class TestJapaneseReadingFormFilter extends BaseTokenStreamTestCase {
private Analyzer katakanaAnalyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizer.Mode.SEARCH);
return new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(tokenizer, false));
}
};
private Analyzer romajiAnalyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizer.Mode.SEARCH);
return new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(tokenizer, true));
}
};
public void testKatakanaReadings() throws IOException {
assertAnalyzesTo(katakanaAnalyzer, "今夜はロバート先生と話した",
new String[] { "コンヤ", "ハ", "ロバート", "センセイ", "ト", "ハナシ", "タ" }
);
}
public void testKatakanaReadingsHalfWidth() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizer.Mode.SEARCH);
TokenStream stream = new CJKWidthFilter(tokenizer);
return new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(stream, false));
}
};
assertAnalyzesTo(a, "今夜はﾛﾊﾞｰﾄ先生と話した",
new String[] { "コンヤ", "ハ", "ロバート", "センセイ", "ト", "ハナシ", "タ" }
);
}
public void testRomajiReadings() throws IOException {
assertAnalyzesTo(romajiAnalyzer, "今夜はロバート先生と話した",
new String[] { "kon'ya", "ha", "robato", "sensei", "to", "hanashi", "ta" }
);
}
public void testRomajiReadingsHalfWidth() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new JapaneseTokenizer(reader, null, true, JapaneseTokenizer.Mode.SEARCH);
TokenStream stream = new CJKWidthFilter(tokenizer);
return new TokenStreamComponents(tokenizer, new JapaneseReadingFormFilter(stream, true));
}
};
assertAnalyzesTo(a, "今夜はﾛﾊﾞｰﾄ先生と話した",
new String[] { "kon'ya", "ha", "robato", "sensei", "to", "hanashi", "ta" }
);
}
public void testRandomData() throws IOException {
Random random = random();
checkRandomData(random, katakanaAnalyzer, 1000*RANDOM_MULTIPLIER);
checkRandomData(random, romajiAnalyzer, 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 JapaneseReadingFormFilter(tokenizer));
}
};
checkOneTerm(a, "", "");
}
}