package org.apache.solr.search.similarities;
/*
* 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.search.similarities.BM25Similarity;
import org.apache.lucene.search.similarities.Similarity;
import org.junit.BeforeClass;
/**
* Tests {@link BM25SimilarityFactory}
*/
public class TestBM25SimilarityFactory extends BaseSimilarityTestCase {
@BeforeClass
public static void beforeClass() throws Exception {
initCore("solrconfig-basic.xml","schema-bm25.xml");
}
/** bm25 with default parameters */
public void test() throws Exception {
assertEquals(BM25Similarity.class, getSimilarity("text").getClass());
}
/** bm25 with parameters */
public void testParameters() throws Exception {
Similarity sim = getSimilarity("text_params");
assertEquals(BM25Similarity.class, sim.getClass());
BM25Similarity bm25 = (BM25Similarity) sim;
assertEquals(1.2f, bm25.getK1(), 0.01f);
assertEquals(0.76f, bm25.getB(), 0.01f);
}
}