--- /dev/null
+package org.apache.lucene.facet.search;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.Field.Index;
+import org.apache.lucene.document.Field.Store;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.TopDocs;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.LockObtainFailedException;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.facet.index.CategoryDocumentBuilder;
+import org.apache.lucene.facet.index.params.CategoryListParams;
+import org.apache.lucene.facet.index.params.PerDimensionIndexingParams;
+import org.apache.lucene.facet.search.DrillDown;
+import org.apache.lucene.facet.search.params.FacetSearchParams;
+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.
+ */
+
+public class DrillDownTest extends LuceneTestCase {
+
+ private FacetSearchParams defaultParams = new FacetSearchParams();
+ private FacetSearchParams nonDefaultParams;
+ private static IndexReader reader;
+ private static DirectoryTaxonomyReader taxo;
+ private static Directory dir;
+ private static Directory taxoDir;
+
+ public DrillDownTest() throws IOException {
+ PerDimensionIndexingParams iParams = new PerDimensionIndexingParams();
+ CategoryListParams aClParams = new CategoryListParams(new Term("testing_facets_a", "a"));
+ CategoryListParams bClParams = new CategoryListParams(new Term("testing_facets_b", "b"));
+
+ iParams.addCategoryListParams(new CategoryPath("a"), aClParams);
+ iParams.addCategoryListParams(new CategoryPath("b"), bClParams);
+
+ nonDefaultParams = new FacetSearchParams(iParams);
+ }
+ @BeforeClass
+ public static void createIndexes() throws CorruptIndexException, LockObtainFailedException, IOException {
+ dir = newDirectory();
+ RandomIndexWriter writer = new RandomIndexWriter(random, dir,
+ newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random, MockTokenizer.KEYWORD, false)));
+
+ taxoDir = newDirectory();
+ TaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
+
+ for (int i = 0; i < 100; i++) {
+ ArrayList<CategoryPath> paths = new ArrayList<CategoryPath>();
+ Document doc = new Document();
+ if (i % 2 == 0) { // 50
+ doc.add(new Field("content", "foo", Store.NO, Index.ANALYZED));
+ }
+ if (i % 3 == 0) { // 33
+ doc.add(new Field("content", "bar", Store.NO, Index.ANALYZED));
+ }
+ if (i % 4 == 0) { // 25
+ paths.add(new CategoryPath("a"));
+ }
+ if (i % 5 == 0) { // 20
+ paths.add(new CategoryPath("b"));
+ }
+ CategoryDocumentBuilder builder = new CategoryDocumentBuilder(taxoWriter);
+ builder.setCategoryPaths(paths).build(doc);
+ writer.addDocument(doc);
+ }
+
+ taxoWriter.close();
+ reader = writer.getReader();
+ writer.close();
+
+ taxo = new DirectoryTaxonomyReader(taxoDir);
+ }
+
+ @Test
+ public void testTermNonDefault() {
+ Term termA = DrillDown.term(nonDefaultParams, new CategoryPath("a"));
+ assertEquals(new Term("testing_facets_a", "a"), termA);
+
+ Term termB = DrillDown.term(nonDefaultParams, new CategoryPath("b"));
+ assertEquals(new Term("testing_facets_b", "b"), termB);
+ }
+
+ @Test
+ public void testTermDefault() {
+ String defaultField = CategoryListParams.DEFAULT_TERM.field();
+
+ Term termA = DrillDown.term(defaultParams, new CategoryPath("a"));
+ assertEquals(new Term(defaultField, "a"), termA);
+
+ Term termB = DrillDown.term(defaultParams, new CategoryPath("b"));
+ assertEquals(new Term(defaultField, "b"), termB);
+ }
+
+ @Test
+ public void testQuery() throws IOException {
+ IndexSearcher searcher = newSearcher(reader);
+
+ // Making sure the query yields 25 documents with the facet "a"
+ Query q = DrillDown.query(defaultParams, new CategoryPath("a"));
+ TopDocs docs = searcher.search(q, 100);
+ assertEquals(25, docs.totalHits);
+
+ // Making sure the query yields 5 documents with the facet "b" and the
+ // previous (facet "a") query as a base query
+ Query q2 = DrillDown.query(defaultParams, q, new CategoryPath("b"));
+ docs = searcher.search(q2, 100);
+ assertEquals(5, docs.totalHits);
+
+ // Making sure that a query of both facet "a" and facet "b" yields 5 results
+ Query q3 = DrillDown.query(defaultParams, new CategoryPath("a"), new CategoryPath("b"));
+ docs = searcher.search(q3, 100);
+ assertEquals(5, docs.totalHits);
+
+ // Check that content:foo (which yields 50% results) and facet/b (which yields 20%)
+ // would gather together 10 results (10%..)
+ Query fooQuery = new TermQuery(new Term("content", "foo"));
+ Query q4 = DrillDown.query(defaultParams, fooQuery, new CategoryPath("b"));
+ docs = searcher.search(q4, 100);
+ assertEquals(10, docs.totalHits);
+
+ searcher.close();
+ }
+
+ @Test
+ public void testQueryImplicitDefaultParams() throws IOException {
+ IndexSearcher searcher = newSearcher(reader);
+
+ // Create the base query to start with
+ Query q = DrillDown.query(defaultParams, new CategoryPath("a"));
+
+ // Making sure the query yields 5 documents with the facet "b" and the
+ // previous (facet "a") query as a base query
+ Query q2 = DrillDown.query(q, new CategoryPath("b"));
+ TopDocs docs = searcher.search(q2, 100);
+ assertEquals(5, docs.totalHits);
+
+ // Check that content:foo (which yields 50% results) and facet/b (which yields 20%)
+ // would gather together 10 results (10%..)
+ Query fooQuery = new TermQuery(new Term("content", "foo"));
+ Query q4 = DrillDown.query(fooQuery, new CategoryPath("b"));
+ docs = searcher.search(q4, 100);
+ assertEquals(10, docs.totalHits);
+
+ searcher.close();
+ }
+
+ @AfterClass
+ public static void closeIndexes() throws IOException {
+ if (reader != null) {
+ reader.close();
+ reader = null;
+ }
+
+ if (taxo != null) {
+ taxo.close();
+ taxo = null;
+ }
+
+ dir.close();
+ taxoDir.close();
+ }
+
+}