package org.apache.solr.analysis;
/**
* 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.HashMap;
import java.util.Map;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.WhitespaceTokenizer;
import org.apache.solr.common.ResourceLoader;
import org.apache.solr.core.SolrResourceLoader;
/**
* Simple tests to ensure the Hyphenation compound filter factory is working.
*/
public class TestHyphenationCompoundWordTokenFilterFactory extends BaseTokenTestCase {
/**
* Ensure the factory works with hyphenation grammar+dictionary: using default options.
*/
public void testHyphenationWithDictionary() throws Exception {
Reader reader = new StringReader("min veninde som er lidt af en læsehest");
Tokenizer tokenizer = new WhitespaceTokenizer(DEFAULT_VERSION, reader);
HyphenationCompoundWordTokenFilterFactory factory = new HyphenationCompoundWordTokenFilterFactory();
ResourceLoader loader = new SolrResourceLoader(null, null);
Map<String,String> args = new HashMap<String,String>(DEFAULT_VERSION_PARAM);
args.put("hyphenator", "da_UTF8.xml");
args.put("dictionary", "da_compoundDictionary.txt");
factory.init(args);
factory.inform(loader);
TokenStream stream = factory.create(tokenizer);
assertTokenStreamContents(stream,
new String[] { "min", "veninde", "som", "er", "lidt", "af", "en", "læsehest", "læse", "hest" },
new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }
);
}
/**
* Ensure the factory works with no dictionary: using hyphenation grammar only.
* Also change the min/max subword sizes from the default. When using no dictionary,
* its generally necessary to tweak these, or you get lots of expansions.
*/
public void testHyphenationOnly() throws Exception {
Reader reader = new StringReader("basketballkurv");
Tokenizer tokenizer = new WhitespaceTokenizer(DEFAULT_VERSION, reader);
HyphenationCompoundWordTokenFilterFactory factory = new HyphenationCompoundWordTokenFilterFactory();
ResourceLoader loader = new SolrResourceLoader(null, null);
Map<String,String> args = new HashMap<String,String>(DEFAULT_VERSION_PARAM);
args.put("hyphenator", "da_UTF8.xml");
args.put("minSubwordSize", "2");
args.put("maxSubwordSize", "4");
factory.init(args);
factory.inform(loader);
TokenStream stream = factory.create(tokenizer);
assertTokenStreamContents(stream,
new String[] { "basketballkurv", "ba", "sket", "bal", "ball", "kurv" }
);
}
}