/*
* 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.PerFieldSimilarityWrapper;
import org.apache.lucene.search.similarities.Similarity;
import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.core.SolrCore;
import org.apache.solr.search.SolrIndexSearcher;
import org.apache.solr.util.RefCounted;
public abstract class BaseSimilarityTestCase extends SolrTestCaseJ4 {
/** returns the similarity in use for the field */
protected Similarity getSimilarity(String field) {
SolrCore core = h.getCore();
RefCounted<SolrIndexSearcher> searcher = core.getSearcher();
Similarity sim = searcher.get().getSimilarity(true);
searcher.decref();
while (sim instanceof PerFieldSimilarityWrapper) {
sim = ((PerFieldSimilarityWrapper)sim).get(field);
}
return sim;
}
/**
* Returns the similarity in use for the field,
* after asserting that it implements the specified class
*/
protected <T extends Similarity> T getSimilarity(String field,
Class<T> clazz) {
Similarity sim = getSimilarity(field);
assertTrue("Similarity for Field " + field +
" does not match expected class: " + clazz.getName(),
clazz.isInstance(sim));
return clazz.cast(sim);
}
}