| /* |
| * 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.solr.search.similarities; |
| |
| 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); |
| } |
| } |