| package org.apache.lucene.index; |
| |
| /** |
| * 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 java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.Set; |
| |
| import org.apache.lucene.analysis.SimpleAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.FieldSelector; |
| import org.apache.lucene.document.FieldSelectorResult; |
| import org.apache.lucene.document.Fieldable; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.RAMDirectory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| |
| /** |
| * Test demonstrating EOF bug on the last field of the last doc |
| * if other docs have allready been accessed. |
| */ |
| public class TestLazyBug extends LuceneTestCase { |
| |
| public static int NUM_DOCS = 500; |
| public static int NUM_FIELDS = 100; |
| |
| private static String[] data = new String[] { |
| "now", |
| "is the time", |
| "for all good men", |
| "to come to the aid", |
| "of their country!", |
| "this string contains big chars:{\u0111 \u0222 \u0333 \u1111 \u2222 \u3333}", |
| "this string is a bigger string, mary had a little lamb, little lamb, little lamb!" |
| }; |
| |
| private static Set<String> dataset = new HashSet<String>(Arrays.asList(data)); |
| |
| private static String MAGIC_FIELD = "f"+(NUM_FIELDS/3); |
| |
| private static FieldSelector SELECTOR = new FieldSelector() { |
| public FieldSelectorResult accept(String f) { |
| if (f.equals(MAGIC_FIELD)) { |
| return FieldSelectorResult.LOAD; |
| } |
| return FieldSelectorResult.LAZY_LOAD; |
| } |
| }; |
| |
| private Directory makeIndex() throws RuntimeException { |
| Directory dir = new RAMDirectory(); |
| try { |
| Random r = newRandom(); |
| IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig( |
| TEST_VERSION_CURRENT, new SimpleAnalyzer(TEST_VERSION_CURRENT))); |
| LogMergePolicy lmp = (LogMergePolicy) writer.getConfig().getMergePolicy(); |
| lmp.setUseCompoundFile(false); |
| lmp.setUseCompoundDocStore(false); |
| |
| for (int d = 1; d <= NUM_DOCS; d++) { |
| Document doc = new Document(); |
| for (int f = 1; f <= NUM_FIELDS; f++ ) { |
| doc.add(new Field("f"+f, |
| data[f % data.length] |
| + '#' + data[r.nextInt(data.length)], |
| Field.Store.YES, |
| Field.Index.ANALYZED)); |
| } |
| writer.addDocument(doc); |
| } |
| writer.close(); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| return dir; |
| } |
| |
| public void doTest(int[] docs) throws Exception { |
| Directory dir = makeIndex(); |
| IndexReader reader = IndexReader.open(dir, true); |
| for (int i = 0; i < docs.length; i++) { |
| Document d = reader.document(docs[i], SELECTOR); |
| d.get(MAGIC_FIELD); |
| |
| List<Fieldable> fields = d.getFields(); |
| for (Iterator<Fieldable> fi = fields.iterator(); fi.hasNext(); ) { |
| Fieldable f=null; |
| try { |
| f = fi.next(); |
| String fname = f.name(); |
| String fval = f.stringValue(); |
| assertNotNull(docs[i]+" FIELD: "+fname, fval); |
| String[] vals = fval.split("#"); |
| if (!dataset.contains(vals[0]) || !dataset.contains(vals[1])) { |
| fail("FIELD:"+fname+",VAL:"+fval); |
| } |
| } catch (Exception e) { |
| throw new Exception(docs[i]+" WTF: "+f.name(), e); |
| } |
| } |
| } |
| reader.close(); |
| } |
| |
| public void testLazyWorks() throws Exception { |
| doTest(new int[] { 399 }); |
| } |
| |
| public void testLazyAlsoWorks() throws Exception { |
| doTest(new int[] { 399, 150 }); |
| } |
| |
| public void testLazyBroken() throws Exception { |
| doTest(new int[] { 150, 399 }); |
| } |
| |
| } |