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 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;
import java.io.StringReader;
import java.util.Set;
import java.util.Map;
import java.util.HashMap;
/**
* Tests pretty much copied from StopFilterFactoryTest We use the test files
* used by the StopFilterFactoryTest TODO: consider creating separate test files
* so this won't break if stop filter test files change
**/
public class CommonGramsFilterFactoryTest extends BaseTokenTestCase {
public void testInform() throws Exception {
ResourceLoader loader = new SolrResourceLoader(null, null);
assertTrue("loader is null and it shouldn't be", loader != null);
CommonGramsFilterFactory factory = new CommonGramsFilterFactory();
Map<String, String> args = new HashMap<String, String>(DEFAULT_VERSION_PARAM);
args.put("words", "stop-1.txt");
args.put("ignoreCase", "true");
factory.init(args);
factory.inform(loader);
Set<?> words = factory.getCommonWords();
assertTrue("words is null and it shouldn't be", words != null);
assertTrue("words Size: " + words.size() + " is not: " + 2,
words.size() == 2);
assertTrue(factory.isIgnoreCase() + " does not equal: " + true, factory
.isIgnoreCase() == true);
factory = new CommonGramsFilterFactory();
args.put("words", "stop-1.txt, stop-2.txt");
factory.init(args);
factory.inform(loader);
words = factory.getCommonWords();
assertTrue("words is null and it shouldn't be", words != null);
assertTrue("words Size: " + words.size() + " is not: " + 4,
words.size() == 4);
assertTrue(factory.isIgnoreCase() + " does not equal: " + true, factory
.isIgnoreCase() == true);
}
/**
* If no words are provided, then a set of english default stopwords is used.
*/
public void testDefaults() throws Exception {
ResourceLoader loader = new SolrResourceLoader(null, null);
assertTrue("loader is null and it shouldn't be", loader != null);
CommonGramsFilterFactory factory = new CommonGramsFilterFactory();
Map<String, String> args = new HashMap<String, String>(DEFAULT_VERSION_PARAM);
factory.init(args);
factory.inform(loader);
Set<?> words = factory.getCommonWords();
assertTrue("words is null and it shouldn't be", words != null);
assertTrue(words.contains("the"));
Tokenizer tokenizer = new WhitespaceTokenizer(DEFAULT_VERSION, new StringReader("testing the factory"));
TokenStream stream = factory.create(tokenizer);
assertTokenStreamContents(stream,
new String[] { "testing", "testing_the", "the", "the_factory", "factory" });
}
}