Apache
/
lucene
mirror of https://github.com/apache/lucene.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

LUCENE-5736 - adding test for caching nb classifier 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1638717 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tommaso Teofili 2014-11-12 08:38:53 +00:00
parent 4641ee4c5d
commit a1f3cebe50
1 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
lucene/classification/src/test/org/apache/lucene/classification/CachingNaiveBayesClassifierTest.java Normal file
View File

@ -0,0 +1,65 @@
package org.apache.lucene.classification;
/*
* 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.Analyzer;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import org.apache.lucene.analysis.ngram.EdgeNGramTokenFilter;
import org.apache.lucene.analysis.reverse.ReverseStringFilter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.util.BytesRef;
import org.junit.Test;
/**
* Testcase for {@link org.apache.lucene.classification.CachingNaiveBayesClassifier
*/
public class CachingNaiveBayesClassifierTest extends ClassificationTestBase<BytesRef> {
@Test
public void testBasicUsage() throws Exception {
checkCorrectClassification(new CachingNaiveBayesClassifier(), TECHNOLOGY_INPUT, TECHNOLOGY_RESULT, new MockAnalyzer(random()), textFieldName, categoryFieldName);
checkCorrectClassification(new CachingNaiveBayesClassifier(), POLITICS_INPUT, POLITICS_RESULT, new MockAnalyzer(random()), textFieldName, categoryFieldName);
}
@Test
public void testBasicUsageWithQuery() throws Exception {
checkCorrectClassification(new CachingNaiveBayesClassifier(), TECHNOLOGY_INPUT, TECHNOLOGY_RESULT, new MockAnalyzer(random()), textFieldName, categoryFieldName, new TermQuery(new Term(textFieldName, "it")));
}
@Test
public void testNGramUsage() throws Exception {
checkCorrectClassification(new CachingNaiveBayesClassifier(), TECHNOLOGY_INPUT, TECHNOLOGY_RESULT, new NGramAnalyzer(), textFieldName, categoryFieldName);
}
private class NGramAnalyzer extends Analyzer {
@Override
protected TokenStreamComponents createComponents(String fieldName) {
final Tokenizer tokenizer = new KeywordTokenizer();
return new TokenStreamComponents(tokenizer, new ReverseStringFilter(new EdgeNGramTokenFilter(new ReverseStringFilter(tokenizer), 10, 20)));
}
}
@Test
public void testPerformance() throws Exception {
checkPerformance(new CachingNaiveBayesClassifier(), new MockAnalyzer(random()), categoryFieldName);
}
}