/*
* Terrier - Terabyte Retriever
* Webpage: http://terrier.org
* Contact: terrier{a.}dcs.gla.ac.uk
* University of Glasgow - School of Computing Science
* http://www.gla.ac.uk/
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is TestWeightingModelFactory.java.
*
* The Original Code is Copyright (C) 2004-2011 the University of Glasgow.
* All Rights Reserved.
*
* Contributor(s):
* Rodrygo Santos <rodrygo{a.}dcs.gla.ac.uk> (original author)
*
*/
package org.terrier.matching.models;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.terrier.matching.models.BM25;
import org.terrier.matching.models.DFRWeightingModel;
import org.terrier.matching.models.PL2;
import org.terrier.matching.models.WeightingModel;
import org.terrier.matching.models.WeightingModelFactory;
public class TestWeightingModelFactory {
@Test public void testGetBasicModels()
{
WeightingModel bm25 = WeightingModelFactory.newInstance("BM25");
assertTrue(bm25 instanceof BM25);
WeightingModel pl2 = WeightingModelFactory.newInstance("PL2");
assertTrue(pl2 instanceof PL2);
}
@Test public void testGetBasicModelsWrongNamespace()
{
WeightingModel bm25 = WeightingModelFactory.newInstance("uk.ac.gla.terrier.matching.models.BM25");
assertTrue(bm25 instanceof BM25);
WeightingModel pl2 = WeightingModelFactory.newInstance("uk.ac.gla.terrier.matching.models.PL2");
assertTrue(pl2 instanceof PL2);
}
@Test public void testGetAdvancedModels()
{
WeightingModel m = WeightingModelFactory.newInstance("DFRWeightingModel(P,L,2)");
assertNotNull(m);
assertTrue(m instanceof DFRWeightingModel);
assertEquals("PL2c1.0", m.getInfo());
}
@Test public void testCacheWorks()
{
WeightingModel m1 = WeightingModelFactory.newInstance("BM25");
WeightingModel m2 = WeightingModelFactory.newInstance("BM25");
assertTrue(m1 == m2);
}
}