| /* |
| * 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. |
| */ |
| package org.apache.lucene.search; |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.StringField; |
| import org.apache.lucene.document.Field.Store; |
| import org.apache.lucene.index.DirectoryReader; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.IndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.BooleanClause.Occur; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| public class TestBlockMaxConjunction extends LuceneTestCase { |
| |
| private Query maybeWrap(Query query) { |
| if (random().nextBoolean()) { |
| query = new BlockScoreQueryWrapper(query, TestUtil.nextInt(random(), 2, 8)); |
| query = new AssertingQuery(random(), query); |
| } |
| return query; |
| } |
| |
| private Query maybeWrapTwoPhase(Query query) { |
| if (random().nextBoolean()) { |
| query = new RandomApproximationQuery(query, random()); |
| query = new AssertingQuery(random(), query); |
| } |
| return query; |
| } |
| |
| public void testRandom() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig()); |
| int numDocs = atLeast(1000); |
| for (int i = 0; i < numDocs; ++i) { |
| Document doc = new Document(); |
| int numValues = random().nextInt(1 << random().nextInt(5)); |
| int start = random().nextInt(10); |
| for (int j = 0; j < numValues; ++j) { |
| doc.add(new StringField("foo", Integer.toString(start + j), Store.NO)); |
| } |
| w.addDocument(doc); |
| } |
| IndexReader reader = DirectoryReader.open(w); |
| w.close(); |
| IndexSearcher searcher = newSearcher(reader); |
| |
| for (int iter = 0; iter < 100; ++iter) { |
| int start = random().nextInt(10); |
| int numClauses = random().nextInt(1 << random().nextInt(5)); |
| BooleanQuery.Builder builder = new BooleanQuery.Builder(); |
| for (int i = 0; i < numClauses; ++i) { |
| builder.add(maybeWrap(new TermQuery(new Term("foo", Integer.toString(start + i)))), Occur.MUST); |
| } |
| Query query = builder.build(); |
| |
| CheckHits.checkTopScores(random(), query, searcher); |
| |
| int filterTerm = random().nextInt(30); |
| Query filteredQuery = new BooleanQuery.Builder() |
| .add(query, Occur.MUST) |
| .add(new TermQuery(new Term("foo", Integer.toString(filterTerm))), Occur.FILTER) |
| .build(); |
| |
| CheckHits.checkTopScores(random(), filteredQuery, searcher); |
| |
| builder = new BooleanQuery.Builder(); |
| for (int i = 0; i < numClauses; ++i) { |
| builder.add(maybeWrapTwoPhase(new TermQuery(new Term("foo", Integer.toString(start + i)))), Occur.MUST); |
| } |
| |
| Query twoPhaseQuery = new BooleanQuery.Builder() |
| .add(query, Occur.MUST) |
| .add(new TermQuery(new Term("foo", Integer.toString(filterTerm))), Occur.FILTER) |
| .build(); |
| |
| CheckHits.checkTopScores(random(), twoPhaseQuery, searcher); |
| } |
| reader.close(); |
| dir.close(); |
| } |
| |
| } |