| package org.apache.lucene.search; |
| |
| /** |
| * 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. |
| */ |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.BooleanClause.Occur; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.DocIdBitSet; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| import java.util.BitSet; |
| |
| /** |
| * FilteredQuery JUnit tests. |
| * |
| * <p>Created: Apr 21, 2004 1:21:46 PM |
| * |
| * |
| * @since 1.4 |
| */ |
| public class TestFilteredQuery extends LuceneTestCase { |
| |
| private IndexSearcher searcher; |
| private IndexReader reader; |
| private Directory directory; |
| private Query query; |
| private Filter filter; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| directory = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter (random, directory, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy())); |
| |
| Document doc = new Document(); |
| doc.add (newField("field", "one two three four five", Field.Store.YES, Field.Index.ANALYZED)); |
| doc.add (newField("sorter", "b", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.addDocument (doc); |
| |
| doc = new Document(); |
| doc.add (newField("field", "one two three four", Field.Store.YES, Field.Index.ANALYZED)); |
| doc.add (newField("sorter", "d", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.addDocument (doc); |
| |
| doc = new Document(); |
| doc.add (newField("field", "one two three y", Field.Store.YES, Field.Index.ANALYZED)); |
| doc.add (newField("sorter", "a", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.addDocument (doc); |
| |
| doc = new Document(); |
| doc.add (newField("field", "one two x", Field.Store.YES, Field.Index.ANALYZED)); |
| doc.add (newField("sorter", "c", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.addDocument (doc); |
| |
| // tests here require single segment (eg try seed |
| // 8239472272678419952L), because SingleDocTestFilter(x) |
| // blindly accepts that docID in any sub-segment |
| writer.optimize(); |
| |
| reader = writer.getReader(); |
| writer.close (); |
| |
| searcher = newSearcher(reader); |
| query = new TermQuery (new Term ("field", "three")); |
| filter = newStaticFilterB(); |
| } |
| |
| // must be static for serialization tests |
| private static Filter newStaticFilterB() { |
| return new Filter() { |
| @Override |
| public DocIdSet getDocIdSet (IndexReader reader) { |
| BitSet bitset = new BitSet(5); |
| bitset.set (1); |
| bitset.set (3); |
| return new DocIdBitSet(bitset); |
| } |
| }; |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| searcher.close(); |
| reader.close(); |
| directory.close(); |
| super.tearDown(); |
| } |
| |
| public void testFilteredQuery() |
| throws Exception { |
| Query filteredquery = new FilteredQuery (query, filter); |
| ScoreDoc[] hits = searcher.search (filteredquery, null, 1000).scoreDocs; |
| assertEquals (1, hits.length); |
| assertEquals (1, hits[0].doc); |
| QueryUtils.check(random, filteredquery,searcher); |
| |
| hits = searcher.search (filteredquery, null, 1000, new Sort(new SortField("sorter", SortField.STRING))).scoreDocs; |
| assertEquals (1, hits.length); |
| assertEquals (1, hits[0].doc); |
| |
| filteredquery = new FilteredQuery (new TermQuery (new Term ("field", "one")), filter); |
| hits = searcher.search (filteredquery, null, 1000).scoreDocs; |
| assertEquals (2, hits.length); |
| QueryUtils.check(random, filteredquery,searcher); |
| |
| filteredquery = new FilteredQuery (new TermQuery (new Term ("field", "x")), filter); |
| hits = searcher.search (filteredquery, null, 1000).scoreDocs; |
| assertEquals (1, hits.length); |
| assertEquals (3, hits[0].doc); |
| QueryUtils.check(random, filteredquery,searcher); |
| |
| filteredquery = new FilteredQuery (new TermQuery (new Term ("field", "y")), filter); |
| hits = searcher.search (filteredquery, null, 1000).scoreDocs; |
| assertEquals (0, hits.length); |
| QueryUtils.check(random, filteredquery,searcher); |
| |
| // test boost |
| Filter f = newStaticFilterA(); |
| |
| float boost = 2.5f; |
| BooleanQuery bq1 = new BooleanQuery(); |
| TermQuery tq = new TermQuery (new Term ("field", "one")); |
| tq.setBoost(boost); |
| bq1.add(tq, Occur.MUST); |
| bq1.add(new TermQuery (new Term ("field", "five")), Occur.MUST); |
| |
| BooleanQuery bq2 = new BooleanQuery(); |
| tq = new TermQuery (new Term ("field", "one")); |
| filteredquery = new FilteredQuery(tq, f); |
| filteredquery.setBoost(boost); |
| bq2.add(filteredquery, Occur.MUST); |
| bq2.add(new TermQuery (new Term ("field", "five")), Occur.MUST); |
| assertScoreEquals(bq1, bq2); |
| |
| assertEquals(boost, filteredquery.getBoost(), 0); |
| assertEquals(1.0f, tq.getBoost(), 0); // the boost value of the underlying query shouldn't have changed |
| } |
| |
| // must be static for serialization tests |
| private static Filter newStaticFilterA() { |
| return new Filter() { |
| @Override |
| public DocIdSet getDocIdSet (IndexReader reader) { |
| BitSet bitset = new BitSet(5); |
| bitset.set(0, 5); |
| return new DocIdBitSet(bitset); |
| } |
| }; |
| } |
| |
| /** |
| * Tests whether the scores of the two queries are the same. |
| */ |
| public void assertScoreEquals(Query q1, Query q2) throws Exception { |
| ScoreDoc[] hits1 = searcher.search (q1, null, 1000).scoreDocs; |
| ScoreDoc[] hits2 = searcher.search (q2, null, 1000).scoreDocs; |
| |
| assertEquals(hits1.length, hits2.length); |
| |
| for (int i = 0; i < hits1.length; i++) { |
| assertEquals(hits1[i].score, hits2[i].score, 0.0000001f); |
| } |
| } |
| |
| /** |
| * This tests FilteredQuery's rewrite correctness |
| */ |
| public void testRangeQuery() throws Exception { |
| TermRangeQuery rq = new TermRangeQuery( |
| "sorter", "b", "d", true, true); |
| |
| Query filteredquery = new FilteredQuery(rq, filter); |
| ScoreDoc[] hits = searcher.search(filteredquery, null, 1000).scoreDocs; |
| assertEquals(2, hits.length); |
| QueryUtils.check(random, filteredquery,searcher); |
| } |
| |
| public void testBoolean() throws Exception { |
| BooleanQuery bq = new BooleanQuery(); |
| Query query = new FilteredQuery(new MatchAllDocsQuery(), |
| new SingleDocTestFilter(0)); |
| bq.add(query, BooleanClause.Occur.MUST); |
| query = new FilteredQuery(new MatchAllDocsQuery(), |
| new SingleDocTestFilter(1)); |
| bq.add(query, BooleanClause.Occur.MUST); |
| ScoreDoc[] hits = searcher.search(bq, null, 1000).scoreDocs; |
| assertEquals(0, hits.length); |
| QueryUtils.check(random, query,searcher); |
| } |
| |
| // Make sure BooleanQuery, which does out-of-order |
| // scoring, inside FilteredQuery, works |
| public void testBoolean2() throws Exception { |
| BooleanQuery bq = new BooleanQuery(); |
| Query query = new FilteredQuery(bq, |
| new SingleDocTestFilter(0)); |
| bq.add(new TermQuery(new Term("field", "one")), BooleanClause.Occur.SHOULD); |
| bq.add(new TermQuery(new Term("field", "two")), BooleanClause.Occur.SHOULD); |
| ScoreDoc[] hits = searcher.search(query, 1000).scoreDocs; |
| assertEquals(1, hits.length); |
| QueryUtils.check(random, query,searcher); |
| } |
| } |
| |
| |
| |
| |