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.Reader;
import java.io.StringReader;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.standard.StandardTokenizer;
/**
* Simple tests to ensure the CJK bigram factory is working.
*/
public class TestCJKBigramFilterFactory extends BaseTokenStreamTestCase {
public void testDefaults() throws Exception {
Reader reader = new StringReader("多くの学生が試験に落ちた。");
CJKBigramFilterFactory factory = new CJKBigramFilterFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
TokenStream stream = factory.create(new StandardTokenizer(TEST_VERSION_CURRENT, reader));
assertTokenStreamContents(stream,
new String[] { "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた" });
}
public void testHanOnly() throws Exception {
Reader reader = new StringReader("多くの学生が試験に落ちた。");
CJKBigramFilterFactory factory = new CJKBigramFilterFactory();
Map<String,String> args = new HashMap<String,String>();
args.put("hiragana", "false");
factory.init(args);
TokenStream stream = factory.create(new StandardTokenizer(TEST_VERSION_CURRENT, reader));
assertTokenStreamContents(stream,
new String[] { "多", "く", "の", "学生", "が", "試験", "に", "落", "ち", "た" });
}
public void testHanOnlyUnigrams() throws Exception {
Reader reader = new StringReader("多くの学生が試験に落ちた。");
CJKBigramFilterFactory factory = new CJKBigramFilterFactory();
Map<String,String> args = new HashMap<String,String>();
args.put("hiragana", "false");
args.put("outputUnigrams", "true");
factory.init(args);
TokenStream stream = factory.create(new StandardTokenizer(TEST_VERSION_CURRENT, reader));
assertTokenStreamContents(stream,
new String[] { "多", "く", "の", "学", "学生", "生", "が", "試", "試験", "験", "に", "落", "ち", "た" });
}
}