package org.apache.lucene.analysis.cjk;
/**
* 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 java.io.IOException;
import java.io.Reader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.ReusableAnalyzerBase;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.KeywordTokenizer;
/**
* Tests for {@link CJKWidthFilter}
*/
public class TestCJKWidthFilter extends BaseTokenStreamTestCase {
private Analyzer analyzer = new ReusableAnalyzerBase() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer source = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(source, new CJKWidthFilter(source));
}
};
/**
* Full-width ASCII forms normalized to half-width (basic latin)
*/
public void testFullWidthASCII() throws IOException {
assertAnalyzesTo(analyzer, "Ｔｅｓｔ １２３４",
new String[] { "Test", "1234" },
new int[] { 0, 5 },
new int[] { 4, 9 });
}
/**
* Half-width katakana forms normalized to standard katakana.
* A bit trickier in some cases, since half-width forms are decomposed
* and voice marks need to be recombined with a preceding base form.
*/
public void testHalfWidthKana() throws IOException {
assertAnalyzesTo(analyzer, "ｶﾀｶﾅ",
new String[] { "カタカナ" });
assertAnalyzesTo(analyzer, "ｳﾞｨｯﾂ",
new String[] { "ヴィッツ" });
assertAnalyzesTo(analyzer, "ﾊﾟﾅｿﾆｯｸ",
new String[] { "パナソニック" });
}
public void testRandomData() throws IOException {
checkRandomData(random, analyzer, 10000*RANDOM_MULTIPLIER);
}
public void testEmptyTerm() throws IOException {
Analyzer a = new ReusableAnalyzerBase() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new KeywordTokenizer(reader);
return new TokenStreamComponents(tokenizer, new CJKWidthFilter(tokenizer));
}
};
checkOneTermReuse(a, "", "");
}
}