| 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.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Random; |
| |
| import org.apache.lucene.analysis.*; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute; |
| import org.apache.lucene.document.BinaryField; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.FieldType; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.index.IndexWriterConfig.OpenMode; |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.search.FieldCache; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.PhraseQuery; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.ScoreDoc; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.search.TopDocs; |
| import org.apache.lucene.search.spans.SpanTermQuery; |
| import org.apache.lucene.store.AlreadyClosedException; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.IndexOutput; |
| import org.apache.lucene.store.Lock; |
| import org.apache.lucene.store.LockFactory; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.store.NoLockFactory; |
| import org.apache.lucene.store.RAMDirectory; |
| import org.apache.lucene.store.SingleInstanceLockFactory; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.ThreadInterruptedException; |
| import org.apache.lucene.util._TestUtil; |
| |
| public class TestIndexWriter extends LuceneTestCase { |
| |
| private static final FieldType storedTextType = new FieldType(TextField.TYPE_UNSTORED); |
| public void testDocCount() throws IOException { |
| Directory dir = newDirectory(); |
| |
| IndexWriter writer = null; |
| IndexReader reader = null; |
| int i; |
| |
| long savedWriteLockTimeout = IndexWriterConfig.getDefaultWriteLockTimeout(); |
| try { |
| IndexWriterConfig.setDefaultWriteLockTimeout(2000); |
| assertEquals(2000, IndexWriterConfig.getDefaultWriteLockTimeout()); |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| } finally { |
| IndexWriterConfig.setDefaultWriteLockTimeout(savedWriteLockTimeout); |
| } |
| |
| // add 100 documents |
| for (i = 0; i < 100; i++) { |
| addDoc(writer); |
| } |
| assertEquals(100, writer.maxDoc()); |
| writer.close(); |
| |
| // delete 40 documents |
| reader = IndexReader.open(dir, false); |
| for (i = 0; i < 40; i++) { |
| reader.deleteDocument(i); |
| } |
| reader.close(); |
| |
| reader = IndexReader.open(dir, true); |
| assertEquals(60, reader.numDocs()); |
| reader.close(); |
| |
| // optimize the index and check that the new doc count is correct |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| assertEquals(60, writer.numDocs()); |
| writer.optimize(); |
| assertEquals(60, writer.maxDoc()); |
| assertEquals(60, writer.numDocs()); |
| writer.close(); |
| |
| // check that the index reader gives the same numbers. |
| reader = IndexReader.open(dir, true); |
| assertEquals(60, reader.maxDoc()); |
| assertEquals(60, reader.numDocs()); |
| reader.close(); |
| |
| // make sure opening a new index for create over |
| // this existing one works correctly: |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.CREATE)); |
| assertEquals(0, writer.maxDoc()); |
| assertEquals(0, writer.numDocs()); |
| writer.close(); |
| dir.close(); |
| } |
| |
| static void addDoc(IndexWriter writer) throws IOException |
| { |
| Document doc = new Document(); |
| doc.add(newField("content", "aaa", TextField.TYPE_UNSTORED)); |
| writer.addDocument(doc); |
| } |
| |
| static void addDocWithIndex(IndexWriter writer, int index) throws IOException |
| { |
| Document doc = new Document(); |
| doc.add(newField("content", "aaa " + index, storedTextType)); |
| doc.add(newField("id", "" + index, storedTextType)); |
| writer.addDocument(doc); |
| } |
| |
| |
| |
| public static void assertNoUnreferencedFiles(Directory dir, String message) throws IOException { |
| String[] startFiles = dir.listAll(); |
| SegmentInfos infos = new SegmentInfos(); |
| infos.read(dir); |
| new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))).rollback(); |
| String[] endFiles = dir.listAll(); |
| |
| Arrays.sort(startFiles); |
| Arrays.sort(endFiles); |
| |
| if (!Arrays.equals(startFiles, endFiles)) { |
| fail(message + ": before delete:\n " + arrayToString(startFiles) + "\n after delete:\n " + arrayToString(endFiles)); |
| } |
| } |
| |
| static String arrayToString(String[] l) { |
| String s = ""; |
| for(int i=0;i<l.length;i++) { |
| if (i > 0) { |
| s += "\n "; |
| } |
| s += l[i]; |
| } |
| return s; |
| } |
| |
| // Make sure we can open an index for create even when a |
| // reader holds it open (this fails pre lock-less |
| // commits on windows): |
| public void testCreateWithReader() throws IOException { |
| Directory dir = newDirectory(); |
| |
| // add one document & close writer |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| addDoc(writer); |
| writer.close(); |
| |
| // now open reader: |
| IndexReader reader = IndexReader.open(dir, true); |
| assertEquals("should be one document", reader.numDocs(), 1); |
| |
| // now open index for create: |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.CREATE)); |
| assertEquals("should be zero documents", writer.maxDoc(), 0); |
| addDoc(writer); |
| writer.close(); |
| |
| assertEquals("should be one document", reader.numDocs(), 1); |
| IndexReader reader2 = IndexReader.open(dir, true); |
| assertEquals("should be one document", reader2.numDocs(), 1); |
| reader.close(); |
| reader2.close(); |
| |
| dir.close(); |
| } |
| |
| public void testChangesAfterClose() throws IOException { |
| Directory dir = newDirectory(); |
| |
| IndexWriter writer = null; |
| |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| addDoc(writer); |
| |
| // close |
| writer.close(); |
| try { |
| addDoc(writer); |
| fail("did not hit AlreadyClosedException"); |
| } catch (AlreadyClosedException e) { |
| // expected |
| } |
| dir.close(); |
| } |
| |
| |
| |
| public void testIndexNoDocuments() throws IOException { |
| MockDirectoryWrapper dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| writer.commit(); |
| writer.close(); |
| |
| IndexReader reader = IndexReader.open(dir, true); |
| assertEquals(0, reader.maxDoc()); |
| assertEquals(0, reader.numDocs()); |
| reader.close(); |
| |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND)); |
| writer.commit(); |
| writer.close(); |
| |
| reader = IndexReader.open(dir, true); |
| assertEquals(0, reader.maxDoc()); |
| assertEquals(0, reader.numDocs()); |
| reader.close(); |
| dir.close(); |
| } |
| |
| public void testManyFields() throws IOException { |
| MockDirectoryWrapper dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10)); |
| for(int j=0;j<100;j++) { |
| Document doc = new Document(); |
| doc.add(newField("a"+j, "aaa" + j, storedTextType)); |
| doc.add(newField("b"+j, "aaa" + j, storedTextType)); |
| doc.add(newField("c"+j, "aaa" + j, storedTextType)); |
| doc.add(newField("d"+j, "aaa", storedTextType)); |
| doc.add(newField("e"+j, "aaa", storedTextType)); |
| doc.add(newField("f"+j, "aaa", storedTextType)); |
| writer.addDocument(doc); |
| } |
| writer.close(); |
| |
| IndexReader reader = IndexReader.open(dir, true); |
| assertEquals(100, reader.maxDoc()); |
| assertEquals(100, reader.numDocs()); |
| for(int j=0;j<100;j++) { |
| assertEquals(1, reader.docFreq(new Term("a"+j, "aaa"+j))); |
| assertEquals(1, reader.docFreq(new Term("b"+j, "aaa"+j))); |
| assertEquals(1, reader.docFreq(new Term("c"+j, "aaa"+j))); |
| assertEquals(1, reader.docFreq(new Term("d"+j, "aaa"))); |
| assertEquals(1, reader.docFreq(new Term("e"+j, "aaa"))); |
| assertEquals(1, reader.docFreq(new Term("f"+j, "aaa"))); |
| } |
| reader.close(); |
| dir.close(); |
| } |
| |
| public void testSmallRAMBuffer() throws IOException { |
| MockDirectoryWrapper dir = newDirectory(); |
| IndexWriter writer = new IndexWriter( |
| dir, |
| newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)). |
| setRAMBufferSizeMB(0.000001). |
| setMergePolicy(newLogMergePolicy(10)) |
| ); |
| int lastNumFile = dir.listAll().length; |
| for(int j=0;j<9;j++) { |
| Document doc = new Document(); |
| doc.add(newField("field", "aaa" + j, storedTextType)); |
| writer.addDocument(doc); |
| int numFile = dir.listAll().length; |
| // Verify that with a tiny RAM buffer we see new |
| // segment after every doc |
| assertTrue(numFile > lastNumFile); |
| lastNumFile = numFile; |
| } |
| writer.close(); |
| dir.close(); |
| } |
| |
| // Make sure it's OK to change RAM buffer size and |
| // maxBufferedDocs in a write session |
| public void testChangingRAMBuffer() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| writer.getConfig().setMaxBufferedDocs(10); |
| writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| |
| int lastFlushCount = -1; |
| for(int j=1;j<52;j++) { |
| Document doc = new Document(); |
| doc.add(new Field("field", storedTextType, "aaa" + j)); |
| writer.addDocument(doc); |
| _TestUtil.syncConcurrentMerges(writer); |
| int flushCount = writer.getFlushCount(); |
| if (j == 1) |
| lastFlushCount = flushCount; |
| else if (j < 10) |
| // No new files should be created |
| assertEquals(flushCount, lastFlushCount); |
| else if (10 == j) { |
| assertTrue(flushCount > lastFlushCount); |
| lastFlushCount = flushCount; |
| writer.getConfig().setRAMBufferSizeMB(0.000001); |
| writer.getConfig().setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| } else if (j < 20) { |
| assertTrue(flushCount > lastFlushCount); |
| lastFlushCount = flushCount; |
| } else if (20 == j) { |
| writer.getConfig().setRAMBufferSizeMB(16); |
| writer.getConfig().setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| lastFlushCount = flushCount; |
| } else if (j < 30) { |
| assertEquals(flushCount, lastFlushCount); |
| } else if (30 == j) { |
| writer.getConfig().setRAMBufferSizeMB(0.000001); |
| writer.getConfig().setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| } else if (j < 40) { |
| assertTrue(flushCount> lastFlushCount); |
| lastFlushCount = flushCount; |
| } else if (40 == j) { |
| writer.getConfig().setMaxBufferedDocs(10); |
| writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| lastFlushCount = flushCount; |
| } else if (j < 50) { |
| assertEquals(flushCount, lastFlushCount); |
| writer.getConfig().setMaxBufferedDocs(10); |
| writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| } else if (50 == j) { |
| assertTrue(flushCount > lastFlushCount); |
| } |
| } |
| writer.close(); |
| dir.close(); |
| } |
| |
| public void testChangingRAMBuffer2() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| writer.getConfig().setMaxBufferedDocs(10); |
| writer.getConfig().setMaxBufferedDeleteTerms(10); |
| writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| |
| for(int j=1;j<52;j++) { |
| Document doc = new Document(); |
| doc.add(new Field("field", storedTextType, "aaa" + j)); |
| writer.addDocument(doc); |
| } |
| |
| int lastFlushCount = -1; |
| for(int j=1;j<52;j++) { |
| writer.deleteDocuments(new Term("field", "aaa" + j)); |
| _TestUtil.syncConcurrentMerges(writer); |
| int flushCount = writer.getFlushCount(); |
| |
| if (j == 1) |
| lastFlushCount = flushCount; |
| else if (j < 10) { |
| // No new files should be created |
| assertEquals(flushCount, lastFlushCount); |
| } else if (10 == j) { |
| assertTrue("" + j, flushCount > lastFlushCount); |
| lastFlushCount = flushCount; |
| writer.getConfig().setRAMBufferSizeMB(0.000001); |
| writer.getConfig().setMaxBufferedDeleteTerms(1); |
| } else if (j < 20) { |
| assertTrue(flushCount > lastFlushCount); |
| lastFlushCount = flushCount; |
| } else if (20 == j) { |
| writer.getConfig().setRAMBufferSizeMB(16); |
| writer.getConfig().setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| lastFlushCount = flushCount; |
| } else if (j < 30) { |
| assertEquals(flushCount, lastFlushCount); |
| } else if (30 == j) { |
| writer.getConfig().setRAMBufferSizeMB(0.000001); |
| writer.getConfig().setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| writer.getConfig().setMaxBufferedDeleteTerms(1); |
| } else if (j < 40) { |
| assertTrue(flushCount> lastFlushCount); |
| lastFlushCount = flushCount; |
| } else if (40 == j) { |
| writer.getConfig().setMaxBufferedDeleteTerms(10); |
| writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| lastFlushCount = flushCount; |
| } else if (j < 50) { |
| assertEquals(flushCount, lastFlushCount); |
| writer.getConfig().setMaxBufferedDeleteTerms(10); |
| writer.getConfig().setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH); |
| } else if (50 == j) { |
| assertTrue(flushCount > lastFlushCount); |
| } |
| } |
| writer.close(); |
| dir.close(); |
| } |
| |
| public void testDiverseDocs() throws IOException { |
| MockDirectoryWrapper dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setRAMBufferSizeMB(0.5)); |
| for(int i=0;i<3;i++) { |
| // First, docs where every term is unique (heavy on |
| // Posting instances) |
| for(int j=0;j<100;j++) { |
| Document doc = new Document(); |
| for(int k=0;k<100;k++) { |
| doc.add(newField("field", Integer.toString(random.nextInt()), storedTextType)); |
| } |
| writer.addDocument(doc); |
| } |
| |
| // Next, many single term docs where only one term |
| // occurs (heavy on byte blocks) |
| for(int j=0;j<100;j++) { |
| Document doc = new Document(); |
| doc.add(newField("field", "aaa aaa aaa aaa aaa aaa aaa aaa aaa aaa", storedTextType)); |
| writer.addDocument(doc); |
| } |
| |
| // Next, many single term docs where only one term |
| // occurs but the terms are very long (heavy on |
| // char[] arrays) |
| for(int j=0;j<100;j++) { |
| StringBuilder b = new StringBuilder(); |
| String x = Integer.toString(j) + "."; |
| for(int k=0;k<1000;k++) |
| b.append(x); |
| String longTerm = b.toString(); |
| |
| Document doc = new Document(); |
| doc.add(newField("field", longTerm, storedTextType)); |
| writer.addDocument(doc); |
| } |
| } |
| writer.close(); |
| |
| IndexSearcher searcher = new IndexSearcher(dir, false); |
| ScoreDoc[] hits = searcher.search(new TermQuery(new Term("field", "aaa")), null, 1000).scoreDocs; |
| assertEquals(300, hits.length); |
| searcher.close(); |
| |
| dir.close(); |
| } |
| |
| public void testEnablingNorms() throws IOException { |
| MockDirectoryWrapper dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10)); |
| // Enable norms for only 1 doc, pre flush |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setOmitNorms(true); |
| for(int j=0;j<10;j++) { |
| Document doc = new Document(); |
| Field f = null; |
| if (j != 8) { |
| f = newField("field", "aaa", customType); |
| } |
| else { |
| f = newField("field", "aaa", storedTextType); |
| } |
| doc.add(f); |
| writer.addDocument(doc); |
| } |
| writer.close(); |
| |
| Term searchTerm = new Term("field", "aaa"); |
| |
| IndexSearcher searcher = new IndexSearcher(dir, false); |
| ScoreDoc[] hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs; |
| assertEquals(10, hits.length); |
| searcher.close(); |
| |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)) |
| .setOpenMode(OpenMode.CREATE).setMaxBufferedDocs(10)); |
| // Enable norms for only 1 doc, post flush |
| for(int j=0;j<27;j++) { |
| Document doc = new Document(); |
| Field f = null; |
| if (j != 26) { |
| f = newField("field", "aaa", customType); |
| } |
| else { |
| f = newField("field", "aaa", storedTextType); |
| } |
| doc.add(f); |
| writer.addDocument(doc); |
| } |
| writer.close(); |
| searcher = new IndexSearcher(dir, false); |
| hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs; |
| assertEquals(27, hits.length); |
| searcher.close(); |
| |
| IndexReader reader = IndexReader.open(dir, true); |
| reader.close(); |
| |
| dir.close(); |
| } |
| |
| public void testHighFreqTerm() throws IOException { |
| MockDirectoryWrapper dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)).setRAMBufferSizeMB(0.01)); |
| // Massive doc that has 128 K a's |
| StringBuilder b = new StringBuilder(1024*1024); |
| for(int i=0;i<4096;i++) { |
| b.append(" a a a a a a a a"); |
| b.append(" a a a a a a a a"); |
| b.append(" a a a a a a a a"); |
| b.append(" a a a a a a a a"); |
| } |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| doc.add(newField("field", b.toString(), customType)); |
| writer.addDocument(doc); |
| writer.close(); |
| |
| IndexReader reader = IndexReader.open(dir, true); |
| assertEquals(1, reader.maxDoc()); |
| assertEquals(1, reader.numDocs()); |
| Term t = new Term("field", "a"); |
| assertEquals(1, reader.docFreq(t)); |
| DocsEnum td = MultiFields.getTermDocsEnum(reader, |
| MultiFields.getLiveDocs(reader), |
| "field", |
| new BytesRef("a")); |
| td.nextDoc(); |
| assertEquals(128*1024, td.freq()); |
| reader.close(); |
| dir.close(); |
| } |
| |
| // Make sure that a Directory implementation that does |
| // not use LockFactory at all (ie overrides makeLock and |
| // implements its own private locking) works OK. This |
| // was raised on java-dev as loss of backwards |
| // compatibility. |
| public void testNullLockFactory() throws IOException { |
| |
| final class MyRAMDirectory extends MockDirectoryWrapper { |
| private LockFactory myLockFactory; |
| MyRAMDirectory(Directory delegate) { |
| super(random, delegate); |
| lockFactory = null; |
| myLockFactory = new SingleInstanceLockFactory(); |
| } |
| @Override |
| public Lock makeLock(String name) { |
| return myLockFactory.makeLock(name); |
| } |
| } |
| |
| Directory dir = new MyRAMDirectory(new RAMDirectory()); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| for (int i = 0; i < 100; i++) { |
| addDoc(writer); |
| } |
| writer.close(); |
| Term searchTerm = new Term("content", "aaa"); |
| IndexSearcher searcher = new IndexSearcher(dir, false); |
| ScoreDoc[] hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs; |
| assertEquals("did not get right number of hits", 100, hits.length); |
| searcher.close(); |
| |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)) |
| .setOpenMode(OpenMode.CREATE)); |
| writer.close(); |
| searcher.close(); |
| dir.close(); |
| } |
| |
| public void testFlushWithNoMerging() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter( |
| dir, |
| newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)). |
| setMaxBufferedDocs(2). |
| setMergePolicy(newLogMergePolicy(10)) |
| ); |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| doc.add(newField("field", "aaa", customType)); |
| for(int i=0;i<19;i++) |
| writer.addDocument(doc); |
| writer.flush(false, true); |
| writer.close(); |
| SegmentInfos sis = new SegmentInfos(); |
| sis.read(dir); |
| // Since we flushed w/o allowing merging we should now |
| // have 10 segments |
| assertEquals(10, sis.size()); |
| dir.close(); |
| } |
| |
| // Make sure we can flush segment w/ norms, then add |
| // empty doc (no norms) and flush |
| public void testEmptyDocAfterFlushingRealDoc() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| writer.setInfoStream(VERBOSE ? System.out : null); |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| doc.add(newField("field", "aaa", customType)); |
| writer.addDocument(doc); |
| writer.commit(); |
| if (VERBOSE) { |
| System.out.println("\nTEST: now add empty doc"); |
| } |
| writer.addDocument(new Document()); |
| writer.close(); |
| IndexReader reader = IndexReader.open(dir, true); |
| assertEquals(2, reader.numDocs()); |
| reader.close(); |
| dir.close(); |
| } |
| |
| |
| |
| /** |
| * Test that no NullPointerException will be raised, |
| * when adding one document with a single, empty field |
| * and term vectors enabled. |
| * @throws IOException |
| * |
| */ |
| public void testBadSegment() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| |
| Document document = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_UNSTORED); |
| customType.setStoreTermVectors(true); |
| document.add(newField("tvtest", "", customType)); |
| iw.addDocument(document); |
| iw.close(); |
| dir.close(); |
| } |
| |
| // LUCENE-1036 |
| public void testMaxThreadPriority() throws IOException { |
| int pri = Thread.currentThread().getPriority(); |
| try { |
| Directory dir = newDirectory(); |
| IndexWriterConfig conf = newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)) |
| .setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy()); |
| ((LogMergePolicy) conf.getMergePolicy()).setMergeFactor(2); |
| IndexWriter iw = new IndexWriter(dir, conf); |
| Document document = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_UNSTORED); |
| customType.setStoreTermVectors(true); |
| document.add(newField("tvtest", "a b c", customType)); |
| Thread.currentThread().setPriority(Thread.MAX_PRIORITY); |
| for(int i=0;i<4;i++) |
| iw.addDocument(document); |
| iw.close(); |
| dir.close(); |
| } finally { |
| Thread.currentThread().setPriority(pri); |
| } |
| } |
| |
| public void testVariableSchema() throws Exception { |
| Directory dir = newDirectory(); |
| int delID = 0; |
| for(int i=0;i<20;i++) { |
| if (VERBOSE) { |
| System.out.println("TEST: iter=" + i); |
| } |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy())); |
| writer.setInfoStream(VERBOSE ? System.out : null); |
| //LogMergePolicy lmp = (LogMergePolicy) writer.getConfig().getMergePolicy(); |
| //lmp.setMergeFactor(2); |
| //lmp.setUseCompoundFile(false); |
| Document doc = new Document(); |
| String contents = "aa bb cc dd ee ff gg hh ii jj kk"; |
| |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| FieldType type = null; |
| if (i == 7) { |
| // Add empty docs here |
| doc.add(newField("content3", "", TextField.TYPE_UNSTORED)); |
| } else { |
| if (i%2 == 0) { |
| doc.add(newField("content4", contents, customType)); |
| type = customType; |
| } else |
| type = TextField.TYPE_UNSTORED; |
| doc.add(newField("content1", contents, TextField.TYPE_UNSTORED)); |
| doc.add(newField("content3", "", customType)); |
| doc.add(newField("content5", "", type)); |
| } |
| |
| for(int j=0;j<4;j++) |
| writer.addDocument(doc); |
| |
| writer.close(); |
| IndexReader reader = IndexReader.open(dir, false); |
| reader.deleteDocument(delID++); |
| reader.close(); |
| |
| if (0 == i % 4) { |
| writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| //LogMergePolicy lmp2 = (LogMergePolicy) writer.getConfig().getMergePolicy(); |
| //lmp2.setUseCompoundFile(false); |
| writer.optimize(); |
| writer.close(); |
| } |
| } |
| dir.close(); |
| } |
| |
| public void testNoWaitClose() throws Throwable { |
| Directory directory = newDirectory(); |
| |
| final Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setTokenized(false); |
| |
| Field idField = newField("id", "", customType); |
| doc.add(idField); |
| |
| for(int pass=0;pass<2;pass++) { |
| if (VERBOSE) { |
| System.out.println("TEST: pass=" + pass); |
| } |
| |
| IndexWriterConfig conf = newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)). |
| setOpenMode(OpenMode.CREATE). |
| setMaxBufferedDocs(2). |
| setMergePolicy(newLogMergePolicy()); |
| if (pass == 2) { |
| conf.setMergeScheduler(new SerialMergeScheduler()); |
| } |
| |
| IndexWriter writer = new IndexWriter(directory, conf); |
| ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(100); |
| writer.setInfoStream(VERBOSE ? System.out : null); |
| |
| for(int iter=0;iter<10;iter++) { |
| if (VERBOSE) { |
| System.out.println("TEST: iter=" + iter); |
| } |
| for(int j=0;j<199;j++) { |
| idField.setValue(Integer.toString(iter*201+j)); |
| writer.addDocument(doc); |
| } |
| |
| int delID = iter*199; |
| for(int j=0;j<20;j++) { |
| writer.deleteDocuments(new Term("id", Integer.toString(delID))); |
| delID += 5; |
| } |
| |
| // Force a bunch of merge threads to kick off so we |
| // stress out aborting them on close: |
| ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(2); |
| |
| final IndexWriter finalWriter = writer; |
| final ArrayList<Throwable> failure = new ArrayList<Throwable>(); |
| Thread t1 = new Thread() { |
| @Override |
| public void run() { |
| boolean done = false; |
| while(!done) { |
| for(int i=0;i<100;i++) { |
| try { |
| finalWriter.addDocument(doc); |
| } catch (AlreadyClosedException e) { |
| done = true; |
| break; |
| } catch (NullPointerException e) { |
| done = true; |
| break; |
| } catch (Throwable e) { |
| e.printStackTrace(System.out); |
| failure.add(e); |
| done = true; |
| break; |
| } |
| } |
| Thread.yield(); |
| } |
| |
| } |
| }; |
| |
| if (failure.size() > 0) { |
| throw failure.get(0); |
| } |
| |
| t1.start(); |
| |
| writer.close(false); |
| t1.join(); |
| |
| // Make sure reader can read |
| IndexReader reader = IndexReader.open(directory, true); |
| reader.close(); |
| |
| // Reopen |
| writer = new IndexWriter(directory, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND).setMergePolicy(newLogMergePolicy())); |
| writer.setInfoStream(VERBOSE ? System.out : null); |
| } |
| writer.close(); |
| } |
| |
| directory.close(); |
| } |
| |
| |
| // LUCENE-1084: test unlimited field length |
| public void testUnlimitedMaxFieldLength() throws IOException { |
| Directory dir = newDirectory(); |
| |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| |
| Document doc = new Document(); |
| StringBuilder b = new StringBuilder(); |
| for(int i=0;i<10000;i++) |
| b.append(" a"); |
| b.append(" x"); |
| doc.add(newField("field", b.toString(), TextField.TYPE_UNSTORED)); |
| writer.addDocument(doc); |
| writer.close(); |
| |
| IndexReader reader = IndexReader.open(dir, true); |
| Term t = new Term("field", "x"); |
| assertEquals(1, reader.docFreq(t)); |
| reader.close(); |
| dir.close(); |
| } |
| |
| |
| |
| // LUCENE-1179 |
| public void testEmptyFieldName() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| Document doc = new Document(); |
| doc.add(newField("", "a b c", TextField.TYPE_UNSTORED)); |
| writer.addDocument(doc); |
| writer.close(); |
| dir.close(); |
| } |
| |
| |
| |
| private static final class MockIndexWriter extends IndexWriter { |
| |
| public MockIndexWriter(Directory dir, IndexWriterConfig conf) throws IOException { |
| super(dir, conf); |
| } |
| |
| boolean afterWasCalled; |
| boolean beforeWasCalled; |
| |
| @Override |
| public void doAfterFlush() { |
| afterWasCalled = true; |
| } |
| |
| @Override |
| protected void doBeforeFlush() throws IOException { |
| beforeWasCalled = true; |
| } |
| } |
| |
| |
| // LUCENE-1222 |
| public void testDoBeforeAfterFlush() throws IOException { |
| Directory dir = newDirectory(); |
| MockIndexWriter w = new MockIndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| doc.add(newField("field", "a field", customType)); |
| w.addDocument(doc); |
| w.commit(); |
| assertTrue(w.beforeWasCalled); |
| assertTrue(w.afterWasCalled); |
| w.beforeWasCalled = false; |
| w.afterWasCalled = false; |
| w.deleteDocuments(new Term("field", "field")); |
| w.commit(); |
| assertTrue(w.beforeWasCalled); |
| assertTrue(w.afterWasCalled); |
| w.close(); |
| |
| IndexReader ir = IndexReader.open(dir, true); |
| assertEquals(0, ir.numDocs()); |
| ir.close(); |
| |
| dir.close(); |
| } |
| |
| // LUCENE-1255 |
| public void testNegativePositions() throws Throwable { |
| final TokenStream tokens = new TokenStream() { |
| final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class); |
| final PositionIncrementAttribute posIncrAtt = addAttribute(PositionIncrementAttribute.class); |
| |
| final Iterator<String> terms = Arrays.asList("a","b","c").iterator(); |
| boolean first = true; |
| |
| @Override |
| public boolean incrementToken() { |
| if (!terms.hasNext()) return false; |
| clearAttributes(); |
| termAtt.append(terms.next()); |
| posIncrAtt.setPositionIncrement(first ? 0 : 1); |
| first = false; |
| return true; |
| } |
| }; |
| |
| Directory dir = newDirectory(); |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| Document doc = new Document(); |
| doc.add(new TextField("field", tokens)); |
| w.addDocument(doc); |
| w.commit(); |
| |
| IndexSearcher s = new IndexSearcher(dir, false); |
| PhraseQuery pq = new PhraseQuery(); |
| pq.add(new Term("field", "a")); |
| pq.add(new Term("field", "b")); |
| pq.add(new Term("field", "c")); |
| ScoreDoc[] hits = s.search(pq, null, 1000).scoreDocs; |
| assertEquals(1, hits.length); |
| |
| Query q = new SpanTermQuery(new Term("field", "a")); |
| hits = s.search(q, null, 1000).scoreDocs; |
| assertEquals(1, hits.length); |
| |
| DocsAndPositionsEnum tps = MultiFields.getTermPositionsEnum(s.getIndexReader(), |
| MultiFields.getLiveDocs(s.getIndexReader()), |
| "field", |
| new BytesRef("a")); |
| |
| assertTrue(tps.nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| assertEquals(1, tps.freq()); |
| assertEquals(0, tps.nextPosition()); |
| w.close(); |
| |
| s.close(); |
| dir.close(); |
| } |
| |
| |
| |
| // LUCENE-1219 |
| public void testBinaryFieldOffsetLength() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| byte[] b = new byte[50]; |
| for(int i=0;i<50;i++) |
| b[i] = (byte) (i+77); |
| |
| Document doc = new Document(); |
| Field f = new BinaryField("binary", b, 10, 17); |
| byte[] bx = f.binaryValue().bytes; |
| assertTrue(bx != null); |
| assertEquals(50, bx.length); |
| assertEquals(10, f.binaryValue().offset); |
| assertEquals(17, f.binaryValue().length); |
| doc.add(f); |
| w.addDocument(doc); |
| w.close(); |
| |
| IndexReader ir = IndexReader.open(dir, true); |
| Document doc2 = ir.document(0); |
| IndexableField f2 = doc2.getField("binary"); |
| b = f2.binaryValue().bytes; |
| assertTrue(b != null); |
| assertEquals(17, b.length, 17); |
| assertEquals(87, b[0]); |
| ir.close(); |
| dir.close(); |
| } |
| |
| // LUCENE-2529 |
| public void testPositionIncrementGapEmptyField() throws Exception { |
| Directory dir = newDirectory(); |
| MockAnalyzer analyzer = new MockAnalyzer(random); |
| analyzer.setPositionIncrementGap( 100 ); |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, analyzer)); |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_UNSTORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| Field f = newField("field", "", customType); |
| Field f2 = newField("field", "crunch man", customType); |
| doc.add(f); |
| doc.add(f2); |
| w.addDocument(doc); |
| w.close(); |
| |
| IndexReader r = IndexReader.open(dir, true); |
| TermPositionVector tpv = ((TermPositionVector) r.getTermFreqVector(0, "field")); |
| int[] poss = tpv.getTermPositions(0); |
| assertEquals(1, poss.length); |
| assertEquals(100, poss[0]); |
| poss = tpv.getTermPositions(1); |
| assertEquals(1, poss.length); |
| assertEquals(101, poss[0]); |
| r.close(); |
| dir.close(); |
| } |
| |
| |
| // LUCENE-1468 -- make sure opening an IndexWriter with |
| // create=true does not remove non-index files |
| |
| public void testOtherFiles() throws Throwable { |
| Directory dir = newDirectory(); |
| try { |
| // Create my own random file: |
| IndexOutput out = dir.createOutput("myrandomfile", newIOContext(random)); |
| out.writeByte((byte) 42); |
| out.close(); |
| |
| new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))).close(); |
| |
| assertTrue(dir.fileExists("myrandomfile")); |
| } finally { |
| dir.close(); |
| } |
| } |
| |
| public void testDeadlock() throws Exception { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2)); |
| Document doc = new Document(); |
| |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| |
| doc.add(newField("content", "aaa bbb ccc ddd eee fff ggg hhh iii", customType)); |
| writer.addDocument(doc); |
| writer.addDocument(doc); |
| writer.addDocument(doc); |
| writer.commit(); |
| // index has 2 segments |
| |
| Directory dir2 = newDirectory(); |
| IndexWriter writer2 = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| writer2.addDocument(doc); |
| writer2.close(); |
| |
| IndexReader r1 = IndexReader.open(dir2, true); |
| IndexReader r2 = (IndexReader) r1.clone(); |
| writer.addIndexes(r1, r2); |
| writer.close(); |
| |
| IndexReader r3 = IndexReader.open(dir, true); |
| assertEquals(5, r3.numDocs()); |
| r3.close(); |
| |
| r1.close(); |
| r2.close(); |
| |
| dir2.close(); |
| dir.close(); |
| } |
| |
| private class IndexerThreadInterrupt extends Thread { |
| volatile boolean failed; |
| volatile boolean finish; |
| |
| volatile boolean allowInterrupt = false; |
| |
| @Override |
| public void run() { |
| // LUCENE-2239: won't work with NIOFS/MMAP |
| Directory dir = new MockDirectoryWrapper(random, new RAMDirectory()); |
| IndexWriter w = null; |
| while(!finish) { |
| try { |
| |
| while(!finish) { |
| if (w != null) { |
| w.close(); |
| w = null; |
| } |
| IndexWriterConfig conf = newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2); |
| w = new IndexWriter(dir, conf); |
| w.setInfoStream(VERBOSE ? System.out : null); |
| |
| Document doc = new Document(); |
| doc.add(newField("field", "some text contents", storedTextType)); |
| for(int i=0;i<100;i++) { |
| w.addDocument(doc); |
| if (i%10 == 0) { |
| w.commit(); |
| } |
| } |
| w.close(); |
| w = null; |
| _TestUtil.checkIndex(dir); |
| IndexReader.open(dir, true).close(); |
| |
| // Strangely, if we interrupt a thread before |
| // all classes are loaded, the class loader |
| // seems to do scary things with the interrupt |
| // status. In java 1.5, it'll throw an |
| // incorrect ClassNotFoundException. In java |
| // 1.6, it'll silently clear the interrupt. |
| // So, on first iteration through here we |
| // don't open ourselves up for interrupts |
| // until we've done the above loop. |
| allowInterrupt = true; |
| } |
| } catch (ThreadInterruptedException re) { |
| if (VERBOSE) { |
| System.out.println("TEST: got interrupt"); |
| re.printStackTrace(System.out); |
| } |
| Throwable e = re.getCause(); |
| assertTrue(e instanceof InterruptedException); |
| if (finish) { |
| break; |
| } |
| } catch (Throwable t) { |
| System.out.println("FAILED; unexpected exception"); |
| t.printStackTrace(System.out); |
| failed = true; |
| break; |
| } |
| } |
| |
| if (!failed) { |
| // clear interrupt state: |
| Thread.interrupted(); |
| if (w != null) { |
| try { |
| w.rollback(); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| |
| try { |
| _TestUtil.checkIndex(dir); |
| } catch (Exception e) { |
| failed = true; |
| System.out.println("CheckIndex FAILED: unexpected exception"); |
| e.printStackTrace(System.out); |
| } |
| try { |
| IndexReader r = IndexReader.open(dir, true); |
| //System.out.println("doc count=" + r.numDocs()); |
| r.close(); |
| } catch (Exception e) { |
| failed = true; |
| System.out.println("IndexReader.open FAILED: unexpected exception"); |
| e.printStackTrace(System.out); |
| } |
| } |
| try { |
| dir.close(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| public void testThreadInterruptDeadlock() throws Exception { |
| IndexerThreadInterrupt t = new IndexerThreadInterrupt(); |
| t.setDaemon(true); |
| t.start(); |
| |
| // Force class loader to load ThreadInterruptedException |
| // up front... else we can see a false failure if 2nd |
| // interrupt arrives while class loader is trying to |
| // init this class (in servicing a first interrupt): |
| assertTrue(new ThreadInterruptedException(new InterruptedException()).getCause() instanceof InterruptedException); |
| |
| // issue 100 interrupts to child thread |
| int i = 0; |
| while(i < 100) { |
| Thread.sleep(10); |
| if (t.allowInterrupt) { |
| i++; |
| t.interrupt(); |
| } |
| if (!t.isAlive()) { |
| break; |
| } |
| } |
| t.finish = true; |
| t.join(); |
| assertFalse(t.failed); |
| } |
| |
| |
| public void testIndexStoreCombos() throws Exception { |
| Directory dir = newDirectory(); |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| byte[] b = new byte[50]; |
| for(int i=0;i<50;i++) |
| b[i] = (byte) (i+77); |
| |
| Document doc = new Document(); |
| |
| FieldType customType = new FieldType(BinaryField.TYPE_STORED); |
| customType.setTokenized(true); |
| customType.setIndexed(true); |
| |
| Field f = new Field("binary", customType, b, 10, 17); |
| f.setTokenStream(new MockTokenizer(new StringReader("doc1field1"), MockTokenizer.WHITESPACE, false)); |
| |
| FieldType customType2 = new FieldType(TextField.TYPE_STORED); |
| |
| Field f2 = newField("string", "value", customType2); |
| f2.setTokenStream(new MockTokenizer(new StringReader("doc1field2"), MockTokenizer.WHITESPACE, false)); |
| doc.add(f); |
| doc.add(f2); |
| w.addDocument(doc); |
| |
| // add 2 docs to test in-memory merging |
| f.setTokenStream(new MockTokenizer(new StringReader("doc2field1"), MockTokenizer.WHITESPACE, false)); |
| f2.setTokenStream(new MockTokenizer(new StringReader("doc2field2"), MockTokenizer.WHITESPACE, false)); |
| w.addDocument(doc); |
| |
| // force segment flush so we can force a segment merge with doc3 later. |
| w.commit(); |
| |
| f.setTokenStream(new MockTokenizer(new StringReader("doc3field1"), MockTokenizer.WHITESPACE, false)); |
| f2.setTokenStream(new MockTokenizer(new StringReader("doc3field2"), MockTokenizer.WHITESPACE, false)); |
| |
| w.addDocument(doc); |
| w.commit(); |
| w.optimize(); // force segment merge. |
| w.close(); |
| |
| IndexReader ir = IndexReader.open(dir, true); |
| Document doc2 = ir.document(0); |
| IndexableField f3 = doc2.getField("binary"); |
| b = f3.binaryValue().bytes; |
| assertTrue(b != null); |
| assertEquals(17, b.length, 17); |
| assertEquals(87, b[0]); |
| |
| assertTrue(ir.document(0).getField("binary").binaryValue()!=null); |
| assertTrue(ir.document(1).getField("binary").binaryValue()!=null); |
| assertTrue(ir.document(2).getField("binary").binaryValue()!=null); |
| |
| assertEquals("value", ir.document(0).get("string")); |
| assertEquals("value", ir.document(1).get("string")); |
| assertEquals("value", ir.document(2).get("string")); |
| |
| |
| // test that the terms were indexed. |
| assertTrue(MultiFields.getTermDocsEnum(ir, null, "binary", new BytesRef("doc1field1")).nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| assertTrue(MultiFields.getTermDocsEnum(ir, null, "binary", new BytesRef("doc2field1")).nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| assertTrue(MultiFields.getTermDocsEnum(ir, null, "binary", new BytesRef("doc3field1")).nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| assertTrue(MultiFields.getTermDocsEnum(ir, null, "string", new BytesRef("doc1field2")).nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| assertTrue(MultiFields.getTermDocsEnum(ir, null, "string", new BytesRef("doc2field2")).nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| assertTrue(MultiFields.getTermDocsEnum(ir, null, "string", new BytesRef("doc3field2")).nextDoc() != DocIdSetIterator.NO_MORE_DOCS); |
| |
| ir.close(); |
| dir.close(); |
| |
| } |
| |
| // LUCENE-1727: make sure doc fields are stored in order |
| public void testStoredFieldsOrder() throws Throwable { |
| Directory d = newDirectory(); |
| IndexWriter w = new IndexWriter(d, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| Document doc = new Document(); |
| |
| FieldType customType = new FieldType(); |
| customType.setStored(true); |
| doc.add(newField("zzz", "a b c", customType)); |
| doc.add(newField("aaa", "a b c", customType)); |
| doc.add(newField("zzz", "1 2 3", customType)); |
| w.addDocument(doc); |
| IndexReader r = w.getReader(); |
| Document doc2 = r.document(0); |
| Iterator<IndexableField> it = doc2.getFields().iterator(); |
| assertTrue(it.hasNext()); |
| Field f = (Field) it.next(); |
| assertEquals(f.name(), "zzz"); |
| assertEquals(f.stringValue(), "a b c"); |
| |
| assertTrue(it.hasNext()); |
| f = (Field) it.next(); |
| assertEquals(f.name(), "aaa"); |
| assertEquals(f.stringValue(), "a b c"); |
| |
| assertTrue(it.hasNext()); |
| f = (Field) it.next(); |
| assertEquals(f.name(), "zzz"); |
| assertEquals(f.stringValue(), "1 2 3"); |
| assertFalse(it.hasNext()); |
| r.close(); |
| w.close(); |
| d.close(); |
| } |
| |
| public void testNoDocsIndex() throws Throwable { |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(1024); |
| writer.setInfoStream(new PrintStream(bos)); |
| writer.addDocument(new Document()); |
| writer.close(); |
| |
| dir.close(); |
| } |
| |
| public void testIndexDivisor() throws Exception { |
| Directory dir = newDirectory(); |
| IndexWriterConfig config = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)); |
| config.setTermIndexInterval(2); |
| IndexWriter w = new IndexWriter(dir, config); |
| StringBuilder s = new StringBuilder(); |
| // must be > 256 |
| for(int i=0;i<300;i++) { |
| s.append(' ').append(i); |
| } |
| Document d = new Document(); |
| Field f = newField("field", s.toString(), TextField.TYPE_UNSTORED); |
| d.add(f); |
| w.addDocument(d); |
| |
| IndexReader r = w.getReader().getSequentialSubReaders()[0]; |
| TermsEnum t = r.fields().terms("field").iterator(); |
| int count = 0; |
| while(t.next() != null) { |
| final DocsEnum docs = t.docs(null, null); |
| assertEquals(0, docs.nextDoc()); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, docs.nextDoc()); |
| count++; |
| } |
| assertEquals(300, count); |
| r.close(); |
| w.close(); |
| dir.close(); |
| } |
| |
| public void testDeleteUnusedFiles() throws Exception { |
| for(int iter=0;iter<2;iter++) { |
| Directory dir = newDirectory(); |
| |
| LogMergePolicy mergePolicy = newLogMergePolicy(true); |
| mergePolicy.setNoCFSRatio(1); // This test expects all of its segments to be in CFS |
| |
| IndexWriter w = new IndexWriter( |
| dir, |
| newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)). |
| setMergePolicy(mergePolicy) |
| ); |
| Document doc = new Document(); |
| doc.add(newField("field", "go", TextField.TYPE_UNSTORED)); |
| w.addDocument(doc); |
| IndexReader r; |
| if (iter == 0) { |
| // use NRT |
| r = w.getReader(); |
| } else { |
| // don't use NRT |
| w.commit(); |
| r = IndexReader.open(dir); |
| } |
| |
| List<String> files = Arrays.asList(dir.listAll()); |
| assertTrue(files.contains("_0.cfs")); |
| w.addDocument(doc); |
| w.optimize(); |
| if (iter == 1) { |
| w.commit(); |
| } |
| IndexReader r2 = r.reopen(); |
| assertTrue(r != r2); |
| files = Arrays.asList(dir.listAll()); |
| |
| // NOTE: here we rely on "Windows" behavior, ie, even |
| // though IW wanted to delete _0.cfs since it was |
| // optimized away, because we have a reader open |
| // against this file, it should still be here: |
| assertTrue(files.contains("_0.cfs")); |
| // optimize created this |
| //assertTrue(files.contains("_2.cfs")); |
| w.deleteUnusedFiles(); |
| |
| files = Arrays.asList(dir.listAll()); |
| // r still holds this file open |
| assertTrue(files.contains("_0.cfs")); |
| //assertTrue(files.contains("_2.cfs")); |
| |
| r.close(); |
| if (iter == 0) { |
| // on closing NRT reader, it calls writer.deleteUnusedFiles |
| files = Arrays.asList(dir.listAll()); |
| assertFalse(files.contains("_0.cfs")); |
| } else { |
| // now writer can remove it |
| w.deleteUnusedFiles(); |
| files = Arrays.asList(dir.listAll()); |
| assertFalse(files.contains("_0.cfs")); |
| } |
| //assertTrue(files.contains("_2.cfs")); |
| |
| w.close(); |
| r2.close(); |
| |
| dir.close(); |
| } |
| } |
| |
| public void testDeleteUnsedFiles2() throws Exception { |
| // Validates that iw.deleteUnusedFiles() also deletes unused index commits |
| // in case a deletion policy which holds onto commits is used. |
| Directory dir = newDirectory(); |
| SnapshotDeletionPolicy sdp = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy()); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)) |
| .setIndexDeletionPolicy(sdp)); |
| |
| // First commit |
| Document doc = new Document(); |
| |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| |
| doc.add(newField("c", "val", customType)); |
| writer.addDocument(doc); |
| writer.commit(); |
| assertEquals(1, IndexReader.listCommits(dir).size()); |
| |
| // Keep that commit |
| sdp.snapshot("id"); |
| |
| // Second commit - now KeepOnlyLastCommit cannot delete the prev commit. |
| doc = new Document(); |
| doc.add(newField("c", "val", customType)); |
| writer.addDocument(doc); |
| writer.commit(); |
| assertEquals(2, IndexReader.listCommits(dir).size()); |
| |
| // Should delete the unreferenced commit |
| sdp.release("id"); |
| writer.deleteUnusedFiles(); |
| assertEquals(1, IndexReader.listCommits(dir).size()); |
| |
| writer.close(); |
| dir.close(); |
| } |
| |
| public void testEmptyFSDirWithNoLock() throws Exception { |
| // Tests that if FSDir is opened w/ a NoLockFactory (or SingleInstanceLF), |
| // then IndexWriter ctor succeeds. Previously (LUCENE-2386) it failed |
| // when listAll() was called in IndexFileDeleter. |
| Directory dir = newFSDirectory(_TestUtil.getTempDir("emptyFSDirNoLock"), NoLockFactory.getNoLockFactory()); |
| new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))).close(); |
| dir.close(); |
| } |
| |
| public void testEmptyDirRollback() throws Exception { |
| // Tests that if IW is created over an empty Directory, some documents are |
| // indexed, flushed (but not committed) and then IW rolls back, then no |
| // files are left in the Directory. |
| Directory dir = newDirectory(); |
| IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)) |
| .setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy())); |
| String[] files = dir.listAll(); |
| |
| writer.setInfoStream(VERBOSE ? System.out : null); |
| |
| // Creating over empty dir should not create any files, |
| // or, at most the write.lock file |
| final int extraFileCount; |
| if (files.length == 1) { |
| assertTrue(files[0].endsWith("write.lock")); |
| extraFileCount = 1; |
| } else { |
| assertEquals(0, files.length); |
| extraFileCount = 0; |
| } |
| |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| // create as many files as possible |
| doc.add(newField("c", "val", customType)); |
| writer.addDocument(doc); |
| // Adding just one document does not call flush yet. |
| assertEquals("only the stored and term vector files should exist in the directory", 5 + extraFileCount, dir.listAll().length); |
| |
| doc = new Document(); |
| doc.add(newField("c", "val", customType)); |
| writer.addDocument(doc); |
| |
| // The second document should cause a flush. |
| assertTrue("flush should have occurred and files should have been created", dir.listAll().length > 5 + extraFileCount); |
| |
| // After rollback, IW should remove all files |
| writer.rollback(); |
| assertEquals("no files should exist in the directory after rollback", 0, dir.listAll().length); |
| |
| // Since we rolled-back above, that close should be a no-op |
| writer.close(); |
| assertEquals("expected a no-op close after IW.rollback()", 0, dir.listAll().length); |
| dir.close(); |
| } |
| |
| public void testNoSegmentFile() throws IOException { |
| Directory dir = newDirectory(); |
| dir.setLockFactory(NoLockFactory.getNoLockFactory()); |
| IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2)); |
| |
| Document doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setStoreTermVectors(true); |
| customType.setStoreTermVectorPositions(true); |
| customType.setStoreTermVectorOffsets(true); |
| doc.add(newField("c", "val", customType)); |
| w.addDocument(doc); |
| w.addDocument(doc); |
| IndexWriter w2 = new IndexWriter(dir, newIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2) |
| .setOpenMode(OpenMode.CREATE)); |
| |
| w2.close(); |
| // If we don't do that, the test fails on Windows |
| w.rollback(); |
| dir.close(); |
| } |
| |
| public void testRandomStoredFields() throws IOException { |
| Directory dir = newDirectory(); |
| Random rand = random; |
| RandomIndexWriter w = new RandomIndexWriter(rand, dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(_TestUtil.nextInt(rand, 5, 20))); |
| //w.w.setInfoStream(System.out); |
| //w.w.setUseCompoundFile(false); |
| if (VERBOSE) { |
| w.w.setInfoStream(System.out); |
| } |
| final int docCount = atLeast(200); |
| final int fieldCount = _TestUtil.nextInt(rand, 1, 5); |
| |
| final List<Integer> fieldIDs = new ArrayList<Integer>(); |
| |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setTokenized(false); |
| Field idField = newField("id", "", customType); |
| |
| for(int i=0;i<fieldCount;i++) { |
| fieldIDs.add(i); |
| } |
| |
| final Map<String,Document> docs = new HashMap<String,Document>(); |
| |
| if (VERBOSE) { |
| System.out.println("TEST: build index docCount=" + docCount); |
| } |
| |
| FieldType customType2 = new FieldType(); |
| customType2.setStored(true); |
| for(int i=0;i<docCount;i++) { |
| Document doc = new Document(); |
| doc.add(idField); |
| final String id = ""+i; |
| idField.setValue(id); |
| docs.put(id, doc); |
| if (VERBOSE) { |
| System.out.println("TEST: add doc id=" + id); |
| } |
| |
| for(int field: fieldIDs) { |
| final String s; |
| if (rand.nextInt(4) != 3) { |
| s = _TestUtil.randomUnicodeString(rand, 1000); |
| doc.add(newField("f"+field, s, customType2)); |
| } else { |
| s = null; |
| } |
| } |
| w.addDocument(doc); |
| if (rand.nextInt(50) == 17) { |
| // mixup binding of field name -> Number every so often |
| Collections.shuffle(fieldIDs); |
| } |
| if (rand.nextInt(5) == 3 && i > 0) { |
| final String delID = ""+rand.nextInt(i); |
| if (VERBOSE) { |
| System.out.println("TEST: delete doc id=" + delID); |
| } |
| w.deleteDocuments(new Term("id", delID)); |
| docs.remove(delID); |
| } |
| } |
| |
| if (VERBOSE) { |
| System.out.println("TEST: " + docs.size() + " docs in index; now load fields"); |
| } |
| if (docs.size() > 0) { |
| String[] idsList = docs.keySet().toArray(new String[docs.size()]); |
| |
| for(int x=0;x<2;x++) { |
| IndexReader r = w.getReader(); |
| IndexSearcher s = newSearcher(r); |
| |
| if (VERBOSE) { |
| System.out.println("TEST: cycle x=" + x + " r=" + r); |
| } |
| |
| int num = atLeast(1000); |
| for(int iter=0;iter<num;iter++) { |
| String testID = idsList[rand.nextInt(idsList.length)]; |
| if (VERBOSE) { |
| System.out.println("TEST: test id=" + testID); |
| } |
| TopDocs hits = s.search(new TermQuery(new Term("id", testID)), 1); |
| assertEquals(1, hits.totalHits); |
| Document doc = r.document(hits.scoreDocs[0].doc); |
| Document docExp = docs.get(testID); |
| for(int i=0;i<fieldCount;i++) { |
| assertEquals("doc " + testID + ", field f" + fieldCount + " is wrong", docExp.get("f"+i), doc.get("f"+i)); |
| } |
| } |
| s.close(); |
| r.close(); |
| w.optimize(); |
| } |
| } |
| w.close(); |
| dir.close(); |
| } |
| |
| public void testNoUnwantedTVFiles() throws Exception { |
| |
| Directory dir = newDirectory(); |
| IndexWriter indexWriter = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setRAMBufferSizeMB(0.01).setMergePolicy(newLogMergePolicy())); |
| ((LogMergePolicy) indexWriter.getConfig().getMergePolicy()).setUseCompoundFile(false); |
| |
| String BIG="alskjhlaksjghlaksjfhalksvjepgjioefgjnsdfjgefgjhelkgjhqewlrkhgwlekgrhwelkgjhwelkgrhwlkejg"; |
| BIG=BIG+BIG+BIG+BIG; |
| |
| FieldType customType = new FieldType(TextField.TYPE_STORED); |
| customType.setOmitNorms(true); |
| FieldType customType2 = new FieldType(TextField.TYPE_STORED); |
| customType2.setTokenized(false); |
| FieldType customType3 = new FieldType(TextField.TYPE_STORED); |
| customType3.setTokenized(false); |
| customType3.setOmitNorms(true); |
| |
| for (int i=0; i<2; i++) { |
| Document doc = new Document(); |
| doc.add(new Field("id", customType3, Integer.toString(i)+BIG)); |
| doc.add(new Field("str", customType2, Integer.toString(i)+BIG)); |
| doc.add(new Field("str2", storedTextType, Integer.toString(i)+BIG)); |
| doc.add(new Field("str3", customType, Integer.toString(i)+BIG)); |
| indexWriter.addDocument(doc); |
| } |
| |
| indexWriter.close(); |
| |
| _TestUtil.checkIndex(dir); |
| |
| assertNoUnreferencedFiles(dir, "no tv files"); |
| String[] files = dir.listAll(); |
| for(String file : files) { |
| assertTrue(!file.endsWith(IndexFileNames.VECTORS_FIELDS_EXTENSION)); |
| assertTrue(!file.endsWith(IndexFileNames.VECTORS_INDEX_EXTENSION)); |
| assertTrue(!file.endsWith(IndexFileNames.VECTORS_DOCUMENTS_EXTENSION)); |
| } |
| |
| dir.close(); |
| } |
| |
| static final class StringSplitAnalyzer extends ReusableAnalyzerBase { |
| @Override |
| public TokenStreamComponents createComponents(String fieldName, Reader reader) { |
| return new TokenStreamComponents(new StringSplitTokenizer(reader)); |
| } |
| } |
| |
| private static class StringSplitTokenizer extends Tokenizer { |
| private String[] tokens; |
| private int upto; |
| private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class); |
| |
| public StringSplitTokenizer(Reader r) { |
| try { |
| reset(r); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public final boolean incrementToken() throws IOException { |
| clearAttributes(); |
| if (upto < tokens.length) { |
| termAtt.setEmpty(); |
| termAtt.append(tokens[upto]); |
| upto++; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public void reset(Reader input) throws IOException { |
| this.upto = 0; |
| final StringBuilder b = new StringBuilder(); |
| final char[] buffer = new char[1024]; |
| int n; |
| while ((n = input.read(buffer)) != -1) { |
| b.append(buffer, 0, n); |
| } |
| this.tokens = b.toString().split(" "); |
| } |
| } |
| |
| /** |
| * Make sure we skip wicked long terms. |
| */ |
| public void testWickedLongTerm() throws IOException { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random, dir, new StringSplitAnalyzer()); |
| |
| char[] chars = new char[DocumentsWriterPerThread.MAX_TERM_LENGTH_UTF8]; |
| Arrays.fill(chars, 'x'); |
| Document doc = new Document(); |
| final String bigTerm = new String(chars); |
| final BytesRef bigTermBytesRef = new BytesRef(bigTerm); |
| |
| // This contents produces a too-long term: |
| String contents = "abc xyz x" + bigTerm + " another term"; |
| doc.add(new TextField("content", contents)); |
| w.addDocument(doc); |
| |
| // Make sure we can add another normal document |
| doc = new Document(); |
| doc.add(new TextField("content", "abc bbb ccc")); |
| w.addDocument(doc); |
| |
| IndexReader reader = w.getReader(); |
| w.close(); |
| |
| // Make sure all terms < max size were indexed |
| assertEquals(2, reader.docFreq(new Term("content", "abc"))); |
| assertEquals(1, reader.docFreq(new Term("content", "bbb"))); |
| assertEquals(1, reader.docFreq(new Term("content", "term"))); |
| assertEquals(1, reader.docFreq(new Term("content", "another"))); |
| |
| // Make sure position is still incremented when |
| // massive term is skipped: |
| DocsAndPositionsEnum tps = MultiFields.getTermPositionsEnum(reader, null, "content", new BytesRef("another")); |
| assertEquals(0, tps.nextDoc()); |
| assertEquals(1, tps.freq()); |
| assertEquals(3, tps.nextPosition()); |
| |
| // Make sure the doc that has the massive term is in |
| // the index: |
| assertEquals("document with wicked long term should is not in the index!", 2, reader.numDocs()); |
| |
| reader.close(); |
| dir.close(); |
| dir = newDirectory(); |
| |
| // Make sure we can add a document with exactly the |
| // maximum length term, and search on that term: |
| doc = new Document(); |
| FieldType customType = new FieldType(TextField.TYPE_UNSTORED); |
| customType.setTokenized(false); |
| Field contentField = new Field("content", customType, ""); |
| doc.add(contentField); |
| |
| w = new RandomIndexWriter(random, dir); |
| |
| contentField.setValue("other"); |
| w.addDocument(doc); |
| |
| contentField.setValue("term"); |
| w.addDocument(doc); |
| |
| contentField.setValue(bigTerm); |
| w.addDocument(doc); |
| |
| contentField.setValue("zzz"); |
| w.addDocument(doc); |
| |
| reader = w.getReader(); |
| w.close(); |
| assertEquals(1, reader.docFreq(new Term("content", bigTerm))); |
| |
| FieldCache.DocTermsIndex dti = FieldCache.DEFAULT.getTermsIndex(reader, "content", random.nextBoolean()); |
| assertEquals(5, dti.numOrd()); // +1 for null ord |
| assertEquals(4, dti.size()); |
| assertEquals(bigTermBytesRef, dti.lookup(3, new BytesRef())); |
| reader.close(); |
| dir.close(); |
| } |
| |
| // LUCENE-3183 |
| public void testEmptyFieldNameTIIOne() throws IOException { |
| Directory dir = newDirectory(); |
| IndexWriterConfig iwc = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)); |
| iwc.setTermIndexInterval(1); |
| iwc.setReaderTermsIndexDivisor(1); |
| IndexWriter writer = new IndexWriter(dir, iwc); |
| Document doc = new Document(); |
| doc.add(newField("", "a b c", TextField.TYPE_UNSTORED)); |
| writer.addDocument(doc); |
| writer.close(); |
| dir.close(); |
| } |
| |
| public void testDeleteAllNRTLeftoverFiles() throws Exception { |
| |
| Directory d = new MockDirectoryWrapper(random, new RAMDirectory()); |
| IndexWriter w = new IndexWriter(d, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))); |
| Document doc = new Document(); |
| for(int i = 0; i < 20; i++) { |
| for(int j = 0; j < 100; ++j) { |
| w.addDocument(doc); |
| } |
| w.commit(); |
| IndexReader.open(w, true).close(); |
| |
| w.deleteAll(); |
| w.commit(); |
| |
| // Make sure we accumulate no files except for empty |
| // segments_N and segments.gen: |
| assertTrue(d.listAll().length <= 2); |
| } |
| |
| w.close(); |
| d.close(); |
| } |
| } |
