package org.apache.lucene.facet.example;
import java.util.Iterator;
import org.junit.Test;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.facet.example.ExampleResult;
import org.apache.lucene.facet.example.simple.SimpleMain;
import org.apache.lucene.facet.search.results.FacetResult;
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 simple example works as expected. This test helps to verify
* that examples code is alive!
*/
public class TestSimpleExample extends LuceneTestCase {
@Test
public void testSimple () throws Exception {
ExampleResult res = new SimpleMain().runSimple();
assertNotNull("Null result!", res);
assertNotNull("Null facet result!", res.getFacetResults());
assertEquals("Wrong number of results!",1, res.getFacetResults().size());
assertEquals("Wrong number of facets!",3, res.getFacetResults().get(0).getNumValidDescendants());
}
/**
* In drill down test we are drilling down to a facet that appears in a single document.
* As result, facets that without drill down got count of 2 will now get a count of 1.
*/
@Test
public void testDrillDown () throws Exception {
ExampleResult res = new SimpleMain().runDrillDown();
assertNotNull("Null result!", res);
assertNotNull("Null facet result!", res.getFacetResults());
assertEquals("Wrong number of results!",1, res.getFacetResults().size());
// drill down facet appears in only 1 doc, and that doc has only 2 facets
FacetResult facetResult = res.getFacetResults().get(0);
assertEquals("Wrong number of facets!",2, facetResult.getNumValidDescendants());
Iterator<? extends FacetResultNode> resIterator = facetResult.getFacetResultNode().getSubResults().iterator();
assertTrue("Too few results", resIterator.hasNext());
assertEquals("wrong count for first result out of 2", 1, (int)resIterator.next().getValue());
assertTrue("Too few results", resIterator.hasNext());
assertEquals("wrong count for second result out of 2", 1, (int)resIterator.next().getValue());
assertFalse("Too many results!", resIterator.hasNext());
}
}