package org.apache.lucene.facet.example;
import org.junit.Test;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.facet.example.ExampleResult;
import org.apache.lucene.facet.example.association.AssociationMain;
import org.apache.lucene.facet.search.results.FacetResultNode;
/*
* 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.
*/
/**
* Test that the association example works as expected. This test helps to
* verify that examples code is alive!
*/
public class TestAssociationExample extends LuceneTestCase {
private static final double[] EXPECTED_INT_SUM_RESULTS = { 4, 2};
private static final double[] EXPECTED_FLOAT_SUM_RESULTS = { 1.62, 0.34};
@Test
public void testAssociationExamples() throws Exception {
assertExampleResult(new AssociationMain().runSumIntAssociationSample(), EXPECTED_INT_SUM_RESULTS);
assertExampleResult(new AssociationMain().runSumFloatAssociationSample(), EXPECTED_FLOAT_SUM_RESULTS);
}
private void assertExampleResult(ExampleResult res, double[] expectedResults) {
assertNotNull("Null result!", res);
assertNotNull("Null facet result!", res.getFacetResults());
assertEquals("Wrong number of results!", 1, res.getFacetResults().size());
assertEquals("Wrong number of facets!", 2, res.getFacetResults().get(0).getNumValidDescendants());
Iterable<? extends FacetResultNode> it = res.getFacetResults().get(0).getFacetResultNode().getSubResults();
int i = 0;
for (FacetResultNode fResNode : it) {
assertEquals("Wrong result for facet "+fResNode.getLabel(), expectedResults[i++], fResNode.getValue(), 1E-5);
}
}
}