--- /dev/null
+package org.apache.lucene.facet.search.association;
+
+import java.util.List;
+
+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;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.facet.enhancements.EnhancementsDocumentBuilder;
+import org.apache.lucene.facet.enhancements.association.AssociationEnhancement;
+import org.apache.lucene.facet.enhancements.association.AssociationFloatProperty;
+import org.apache.lucene.facet.enhancements.association.AssociationIntProperty;
+import org.apache.lucene.facet.enhancements.params.DefaultEnhancementsIndexingParams;
+import org.apache.lucene.facet.index.CategoryContainer;
+import org.apache.lucene.facet.search.FacetsCollector;
+import org.apache.lucene.facet.search.params.FacetSearchParams;
+import org.apache.lucene.facet.search.params.association.AssociationFloatSumFacetRequest;
+import org.apache.lucene.facet.search.params.association.AssociationIntSumFacetRequest;
+import org.apache.lucene.facet.search.results.FacetResult;
+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;
+
+/**
+ * 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 LuceneTestCase {
+
+ 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);
+
+ EnhancementsDocumentBuilder builder = new EnhancementsDocumentBuilder(
+ taxoWriter, new DefaultEnhancementsIndexingParams(
+ new AssociationEnhancement()));
+
+ // index documents, 50% have only 'b' and all have 'a'
+ for (int i = 0; i < 100; i++) {
+ Document doc = new Document();
+ CategoryContainer container = new CategoryContainer();
+ container.addCategory(aint, new AssociationIntProperty(2));
+ container.addCategory(afloat, new AssociationFloatProperty(0.5f));
+ if (i % 2 == 0) { // 50
+ container.addCategory(bint, new AssociationIntProperty(3));
+ container.addCategory(bfloat, new AssociationFloatProperty(0.2f));
+ }
+ builder.setCategories(container).build(doc);
+ 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();
+ fsp.addFacetRequest(new AssociationIntSumFacetRequest(aint, 10));
+ fsp.addFacetRequest(new AssociationIntSumFacetRequest(bint, 10));
+
+ Query q = new MatchAllDocsQuery();
+
+ FacetsCollector fc = new FacetsCollector(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().getValue());
+ assertEquals("Wrong count for category 'b'!",150, (int) res.get(1).getFacetResultNode().getValue());
+
+ searcher.close();
+ taxo.close();
+ }
+
+ @Test
+ public void testFloatSumAssociation() throws Exception {
+ DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
+
+ // facet requests for two facets
+ FacetSearchParams fsp = new FacetSearchParams();
+ fsp.addFacetRequest(new AssociationFloatSumFacetRequest(afloat, 10));
+ fsp.addFacetRequest(new AssociationFloatSumFacetRequest(bfloat, 10));
+
+ Query q = new MatchAllDocsQuery();
+
+ FacetsCollector fc = new FacetsCollector(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().getValue(), 0.00001);
+ assertEquals("Wrong count for category 'b'!",10f, (float) res.get(1).getFacetResultNode().getValue(), 0.00001);
+
+ searcher.close();
+ taxo.close();
+ }
+
+ @Test
+ public void testDifferentAggregatorsSameCategoryList() throws Exception {
+ // Same category list cannot be aggregated by two different aggregators. If
+ // you want to do that, you need to separate the categories into two
+ // category list (you'll still have one association list).
+ DirectoryTaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir);
+
+ // facet requests for two facets
+ FacetSearchParams fsp = new FacetSearchParams();
+ fsp.addFacetRequest(new AssociationIntSumFacetRequest(aint, 10));
+ fsp.addFacetRequest(new AssociationIntSumFacetRequest(bint, 10));
+ fsp.addFacetRequest(new AssociationFloatSumFacetRequest(afloat, 10));
+ fsp.addFacetRequest(new AssociationFloatSumFacetRequest(bfloat, 10));
+
+ Query q = new MatchAllDocsQuery();
+
+ FacetsCollector fc = new FacetsCollector(fsp, reader, taxo);
+
+ IndexSearcher searcher = newSearcher(reader);
+ searcher.search(q, fc);
+ try {
+ fc.getFacetResults();
+ fail("different aggregators for same category list should not be supported");
+ } catch (RuntimeException e) {
+ // ok - expected
+ }
+ searcher.close();
+ taxo.close();
+ }
+
+}