1 package org.apache.lucene.facet.search.params;
3 import org.apache.lucene.index.IndexWriter;
4 import org.apache.lucene.index.IndexWriterConfig;
5 import org.apache.lucene.store.Directory;
8 import org.apache.lucene.util.LuceneTestCase;
9 import org.apache.lucene.facet.search.FacetResultsHandler;
10 import org.apache.lucene.facet.taxonomy.CategoryPath;
11 import org.apache.lucene.facet.taxonomy.TaxonomyReader;
12 import org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyReader;
15 * Licensed to the Apache Software Foundation (ASF) under one or more
16 * contributor license agreements. See the NOTICE file distributed with
17 * this work for additional information regarding copyright ownership.
18 * The ASF licenses this file to You under the Apache License, Version 2.0
19 * (the "License"); you may not use this file except in compliance with
20 * the License. You may obtain a copy of the License at
22 * http://www.apache.org/licenses/LICENSE-2.0
24 * Unless required by applicable law or agreed to in writing, software
25 * distributed under the License is distributed on an "AS IS" BASIS,
26 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
27 * See the License for the specific language governing permissions and
28 * limitations under the License.
31 public class FacetRequestTest extends LuceneTestCase {
33 @Test(expected=IllegalArgumentException.class)
34 public void testIllegalNumResults() throws Exception {
35 new CountFacetRequest(new CategoryPath("a", "b"), 0);
38 @Test(expected=IllegalArgumentException.class)
39 public void testIllegalCategoryPath() throws Exception {
40 new CountFacetRequest(null, 1);
44 public void testHashAndEquals() {
45 CountFacetRequest fr1 = new CountFacetRequest(new CategoryPath("a"), 8);
46 CountFacetRequest fr2 = new CountFacetRequest(new CategoryPath("a"), 8);
47 assertEquals("hashCode() should agree on both objects", fr1.hashCode(), fr2.hashCode());
48 assertTrue("equals() should return true", fr1.equals(fr2));
50 assertFalse("equals() should return false as fr1.depth != fr2.depth", fr1.equals(fr2));
54 public void testGetFacetResultHandlerDifferentTaxonomy() throws Exception {
55 FacetRequest fr = new CountFacetRequest(new CategoryPath("a"), 10);
56 Directory dir1 = newDirectory();
57 Directory dir2 = newDirectory();
58 // create empty indexes, so that LTR ctor won't complain about a missing index.
59 new IndexWriter(dir1, new IndexWriterConfig(TEST_VERSION_CURRENT, null)).close();
60 new IndexWriter(dir2, new IndexWriterConfig(TEST_VERSION_CURRENT, null)).close();
61 TaxonomyReader tr1 = new LuceneTaxonomyReader(dir1);
62 TaxonomyReader tr2 = new LuceneTaxonomyReader(dir2);
63 FacetResultsHandler frh1 = fr.createFacetResultsHandler(tr1);
64 FacetResultsHandler frh2 = fr.createFacetResultsHandler(tr2);
65 assertTrue("should not return the same FacetResultHandler instance for different TaxonomyReader instances", frh1 != frh2);
73 public void testImmutability() throws Exception {
74 // Tests that after a FRH is created by FR, changes to FR are not reflected
76 FacetRequest fr = new CountFacetRequest(new CategoryPath("a"), 10);
77 Directory dir = newDirectory();
78 // create empty indexes, so that LTR ctor won't complain about a missing index.
79 new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, null)).close();
80 TaxonomyReader tr = new LuceneTaxonomyReader(dir);
81 FacetResultsHandler frh = fr.createFacetResultsHandler(tr);
83 assertEquals(FacetRequest.DEFAULT_DEPTH, frh.getFacetRequest().getDepth());
89 public void testClone() throws Exception {
90 FacetRequest fr = new CountFacetRequest(new CategoryPath("a"), 10);
91 FacetRequest clone = (FacetRequest) fr.clone();
93 assertEquals("depth should not have been affected in the clone", FacetRequest.DEFAULT_DEPTH, clone.getDepth());