/*
* 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.synonym;
import java.io.StringReader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.Tokenizer;
public class TestWordnetSynonymParser extends BaseTokenStreamTestCase {
String synonymsFile =
"s(100000001,1,'woods',n,1,0).\n" +
"s(100000001,2,'wood',n,1,0).\n" +
"s(100000001,3,'forest',n,1,0).\n" +
"s(100000002,1,'wolfish',n,1,0).\n" +
"s(100000002,2,'ravenous',n,1,0).\n" +
"s(100000003,1,'king',n,1,1).\n" +
"s(100000003,2,'baron',n,1,1).\n" +
"s(100000004,1,'king''s evil',n,1,1).\n" +
"s(100000004,2,'king''s meany',n,1,1).\n";
public void testSynonyms() throws Exception {
Analyzer analyzer = new MockAnalyzer(random());
WordnetSynonymParser parser = new WordnetSynonymParser(true, true, analyzer);
parser.parse(new StringReader(synonymsFile));
final SynonymMap map = parser.build();
analyzer.close();
analyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Tokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(tokenizer, new SynonymFilter(tokenizer, map, false));
}
};
/* all expansions */
assertAnalyzesTo(analyzer, "Lost in the woods",
new String[] { "Lost", "in", "the", "woods", "wood", "forest" },
new int[] { 0, 5, 8, 12, 12, 12 },
new int[] { 4, 7, 11, 17, 17, 17 },
new int[] { 1, 1, 1, 1, 0, 0 });
/* single quote */
assertAnalyzesTo(analyzer, "king",
new String[] { "king", "baron" });
/* multi words */
assertAnalyzesTo(analyzer, "king's evil",
new String[] { "king's", "king's", "evil", "meany" });
analyzer.close();
}
}