package org.apache.lucene.facet.associations;
import java.util.List;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.document.Document;
import org.apache.lucene.facet.FacetTestCase;
import org.apache.lucene.facet.params.FacetSearchParams;
import org.apache.lucene.facet.search.FacetResult;
import org.apache.lucene.facet.search.FacetsCollector;
import org.apache.lucene.facet.taxonomy.CategoryPath;
import org.apache.lucene.facet.taxonomy.TaxonomyWriter;
import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader;
import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.store.Directory;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
/*
* 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 for associations */
public class AssociationsFacetRequestTest extends FacetTestCase {
private static Directory dir;
private static IndexReader reader;
private static Directory taxoDir;
private static final CategoryPath aint = new CategoryPath("int", "a");
private static final CategoryPath bint = new CategoryPath("int", "b");
private static final CategoryPath afloat = new CategoryPath("float", "a");
private static final CategoryPath bfloat = new CategoryPath("float", "b");
@BeforeClass
public static void beforeClassAssociationsFacetRequestTest() throws Exception {
dir = newDirectory();
taxoDir = newDirectory();
// preparations - index, taxonomy, content
RandomIndexWriter writer = new RandomIndexWriter(random(), dir, newIndexWriterConfig(TEST_VERSION_CURRENT,
new MockAnalyzer(random(), MockTokenizer.KEYWORD, false)));
TaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
AssociationsFacetFields assocFacetFields = new AssociationsFacetFields(taxoWriter);
// index documents, 50% have only 'b' and all have 'a'
for (int i = 0; i < 110; i++) {
Document doc = new Document();
CategoryAssociationsContainer associations = new CategoryAssociationsContainer();
// every 11th document is added empty, this used to cause the association
// aggregators to go into an infinite loop
if (i % 11 != 0) {
associations.setAssociation(aint, new CategoryIntAssociation(2));
associations.setAssociation(afloat, new CategoryFloatAssociation(0.5f));
if (i % 2 == 0) { // 50
associations.setAssociation(bint, new CategoryIntAssociation(3));
associations.setAssociation(bfloat, new CategoryFloatAssociation(0.2f));
}
}
assocFacetFields.addFields(doc, associations);
writer.addDocument(doc);
}
taxoWriter.close();
reader = writer.getReader();
writer.close();
}
@AfterClass
public static void afterClassAssociationsFacetRequestTest() throws Exception {
reader.close();
reader = null;
dir.close();
dir = null;
taxoDir.close();
taxoDir = null;
}
@Test
public void testIntSumAssociation() throws Exception {
DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
// facet requests for two facets
FacetSearchParams fsp = new FacetSearchParams(
new SumIntAssociationFacetRequest(aint, 10),
new SumIntAssociationFacetRequest(bint, 10));
Query q = new MatchAllDocsQuery();
FacetsCollector fc = FacetsCollector.create(fsp, reader, taxo);
IndexSearcher searcher = newSearcher(reader);
searcher.search(q, fc);
List<FacetResult> res = fc.getFacetResults();
assertNotNull("No results!",res);
assertEquals("Wrong number of results!",2, res.size());
assertEquals("Wrong count for category 'a'!", 200, (int) res.get(0).getFacetResultNode().value);
assertEquals("Wrong count for category 'b'!", 150, (int) res.get(1).getFacetResultNode().value);
taxo.close();
}
@Test
public void testFloatSumAssociation() throws Exception {
DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
// facet requests for two facets
FacetSearchParams fsp = new FacetSearchParams(
new SumFloatAssociationFacetRequest(afloat, 10),
new SumFloatAssociationFacetRequest(bfloat, 10));
Query q = new MatchAllDocsQuery();
FacetsCollector fc = FacetsCollector.create(fsp, reader, taxo);
IndexSearcher searcher = newSearcher(reader);
searcher.search(q, fc);
List<FacetResult> res = fc.getFacetResults();
assertNotNull("No results!",res);
assertEquals("Wrong number of results!", 2, res.size());
assertEquals("Wrong count for category 'a'!",50f, (float) res.get(0).getFacetResultNode().value, 0.00001);
assertEquals("Wrong count for category 'b'!",10f, (float) res.get(1).getFacetResultNode().value, 0.00001);
taxo.close();
}
@Test
public void testDifferentAggregatorsSameCategoryList() throws Exception {
DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
// facet requests for two facets
FacetSearchParams fsp = new FacetSearchParams(
new SumIntAssociationFacetRequest(aint, 10),
new SumIntAssociationFacetRequest(bint, 10),
new SumFloatAssociationFacetRequest(afloat, 10),
new SumFloatAssociationFacetRequest(bfloat, 10));
Query q = new MatchAllDocsQuery();
FacetsCollector fc = FacetsCollector.create(fsp, reader, taxo);
IndexSearcher searcher = newSearcher(reader);
searcher.search(q, fc);
List<FacetResult> res = fc.getFacetResults();
assertEquals("Wrong number of results!", 4, res.size());
assertEquals("Wrong count for category 'a'!", 200, (int) res.get(0).getFacetResultNode().value);
assertEquals("Wrong count for category 'b'!", 150, (int) res.get(1).getFacetResultNode().value);
assertEquals("Wrong count for category 'a'!",50f, (float) res.get(2).getFacetResultNode().value, 0.00001);
assertEquals("Wrong count for category 'b'!",10f, (float) res.get(3).getFacetResultNode().value, 0.00001);
taxo.close();
}
}