| /* |
| * 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.join; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field.Store; |
| import org.apache.lucene.document.StringField; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.IndexWriterConfig; |
| import org.apache.lucene.index.NoMergePolicy; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.MatchNoDocsQuery; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| public class TestCheckJoinIndex extends LuceneTestCase { |
| |
| public void testNoParent() throws IOException { |
| final Directory dir = newDirectory(); |
| final RandomIndexWriter w = new RandomIndexWriter(random(), dir); |
| final int numDocs = TestUtil.nextInt(random(), 1, 3); |
| for (int i = 0; i < numDocs; ++i) { |
| w.addDocument(new Document()); |
| } |
| final IndexReader reader = w.getReader(); |
| w.close(); |
| BitSetProducer parentsFilter = new QueryBitSetProducer(new MatchNoDocsQuery()); |
| try { |
| expectThrows(IllegalStateException.class, () -> CheckJoinIndex.check(reader, parentsFilter)); |
| } finally { |
| reader.close(); |
| dir.close(); |
| } |
| } |
| |
| public void testOrphans() throws IOException { |
| final Directory dir = newDirectory(); |
| final RandomIndexWriter w = new RandomIndexWriter(random(), dir); |
| |
| { |
| // Add a first valid block |
| List<Document> block = new ArrayList<>(); |
| final int numChildren = TestUtil.nextInt(random(), 0, 3); |
| for (int i = 0; i < numChildren; ++i) { |
| block.add(new Document()); |
| } |
| Document parent = new Document(); |
| parent.add(new StringField("parent", "true", Store.NO)); |
| block.add(parent); |
| w.addDocuments(block); |
| } |
| |
| { |
| // Then a block with no parent |
| List<Document> block = new ArrayList<>(); |
| final int numChildren = TestUtil.nextInt(random(), 1, 3); |
| for (int i = 0; i < numChildren; ++i) { |
| block.add(new Document()); |
| } |
| w.addDocuments(block); |
| } |
| |
| final IndexReader reader = w.getReader(); |
| w.close(); |
| BitSetProducer parentsFilter = new QueryBitSetProducer(new TermQuery(new Term("parent", "true"))); |
| try { |
| expectThrows(IllegalStateException.class, () -> CheckJoinIndex.check(reader, parentsFilter)); |
| } finally { |
| reader.close(); |
| dir.close(); |
| } |
| } |
| |
| public void testInconsistentDeletes() throws IOException { |
| final Directory dir = newDirectory(); |
| final IndexWriterConfig iwc = newIndexWriterConfig(); |
| iwc.setMergePolicy(NoMergePolicy.INSTANCE); // so that deletions don't trigger merges |
| final RandomIndexWriter w = new RandomIndexWriter(random(), dir, iwc); |
| |
| List<Document> block = new ArrayList<>(); |
| final int numChildren = TestUtil.nextInt(random(), 1, 3); |
| for (int i = 0; i < numChildren; ++i) { |
| Document doc = new Document(); |
| doc.add(new StringField("child", Integer.toString(i), Store.NO)); |
| block.add(doc); |
| } |
| Document parent = new Document(); |
| parent.add(new StringField("parent", "true", Store.NO)); |
| block.add(parent); |
| w.addDocuments(block); |
| |
| if (random().nextBoolean()) { |
| w.deleteDocuments(new Term("parent", "true")); |
| } else { |
| // delete any of the children |
| w.deleteDocuments(new Term("child", Integer.toString(random().nextInt(numChildren)))); |
| } |
| |
| final IndexReader reader = w.getReader(); |
| w.close(); |
| |
| BitSetProducer parentsFilter = new QueryBitSetProducer(new TermQuery(new Term("parent", "true"))); |
| try { |
| expectThrows(IllegalStateException.class, () -> CheckJoinIndex.check(reader, parentsFilter)); |
| } finally { |
| reader.close(); |
| dir.close(); |
| } |
| } |
| |
| } |