pylucene 3.5.0-3
[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / facet / src / test / org / apache / lucene / facet / search / association / AssociationsFacetRequestTest.java
diff --git a/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/facet/search/association/AssociationsFacetRequestTest.java b/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/facet/search/association/AssociationsFacetRequestTest.java
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+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();
+  }  
+
+}