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.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Collections;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockFixedLengthPayloadFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.analysis.WhitespaceTokenizer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Fieldable;
import org.apache.lucene.document.Field.Index;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.Field.TermVector;
import org.apache.lucene.index.IndexWriterConfig.OpenMode;
import org.apache.lucene.search.TopDocs;
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.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.NoLockFactory;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.SingleInstanceLockFactory;
import org.apache.lucene.util.UnicodeUtil;
import org.apache.lucene.util._TestUtil;
import org.apache.lucene.util.ThreadInterruptedException;
public class TestIndexWriter extends LuceneTestCase {
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();
}
private void addDoc(IndexWriter writer) throws IOException
{
Document doc = new Document();
doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
}
private void addDocWithIndex(IndexWriter writer, int index) throws IOException
{
Document doc = new Document();
doc.add(newField("content", "aaa " + index, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("id", "" + index, Field.Store.YES, Field.Index.ANALYZED));
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));
}
}
private static class StringSplitAnalyzer extends Analyzer {
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
return new StringSplitTokenizer(reader);
}
}
private static class StringSplitTokenizer extends Tokenizer {
private final String[] tokens;
private int upto = 0;
private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
public StringSplitTokenizer(Reader r) {
try {
final StringBuilder b = new StringBuilder();
final char[] buffer = new char[1024];
int n;
while((n = r.read(buffer)) != -1) {
b.append(buffer, 0, n);
}
tokens = b.toString().split(" ");
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
@Override
public final boolean incrementToken() throws IOException {
clearAttributes();
if (upto < tokens.length) {
termAtt.setEmpty();
termAtt.append(tokens[upto]);
upto++;
return true;
} else {
return false;
}
}
}
/**
* Make sure we skip wicked long terms.
*/
public void testWickedLongTerm() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)));
char[] chars = new char[DocumentsWriter.CHAR_BLOCK_SIZE-1];
Arrays.fill(chars, 'x');
Document doc = new Document();
final String bigTerm = new String(chars);
// Max length term is 16383, so this contents produces
// a too-long term:
String contents = "abc xyz x" + bigTerm + " another term";
doc.add(new Field("content", contents, Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
// Make sure we can add another normal document
doc = new Document();
doc.add(new Field("content", "abc bbb ccc", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
// 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:
TermPositions tps = reader.termPositions(new Term("content", "another"));
assertTrue(tps.next());
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();
// Make sure we can add a document with exactly the
// maximum length term, and search on that term:
doc = new Document();
doc.add(new Field("content", bigTerm, Field.Store.NO, Field.Index.ANALYZED));
StandardAnalyzer sa = new StandardAnalyzer(TEST_VERSION_CURRENT);
sa.setMaxTokenLength(100000);
writer = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, sa));
writer.addDocument(doc);
writer.close();
reader = IndexReader.open(dir, true);
assertEquals(1, reader.docFreq(new Term("content", bigTerm)));
reader.close();
dir.close();
}
public void testOptimizeMaxNumSegments() throws IOException {
MockDirectoryWrapper dir = newDirectory();
final Document doc = new Document();
doc.add(newField("content", "aaa", Field.Store.YES, Field.Index.ANALYZED));
final int incrMin = TEST_NIGHTLY ? 15 : 40;
for(int numDocs=10;numDocs<500;numDocs += _TestUtil.nextInt(random, incrMin, 5*incrMin)) {
LogDocMergePolicy ldmp = new LogDocMergePolicy();
ldmp.setMinMergeDocs(1);
ldmp.setMergeFactor(5);
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setOpenMode(OpenMode.CREATE).setMaxBufferedDocs(2).setMergePolicy(
ldmp));
for(int j=0;j<numDocs;j++)
writer.addDocument(doc);
writer.close();
SegmentInfos sis = new SegmentInfos();
sis.read(dir);
final int segCount = sis.size();
ldmp = new LogDocMergePolicy();
ldmp.setMergeFactor(5);
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT,
new MockAnalyzer(random)).setMergePolicy(ldmp));
writer.optimize(3);
writer.close();
sis = new SegmentInfos();
sis.read(dir);
final int optSegCount = sis.size();
if (segCount < 3)
assertEquals(segCount, optSegCount);
else
assertEquals(3, optSegCount);
}
dir.close();
}
public void testOptimizeMaxNumSegments2() throws IOException {
MockDirectoryWrapper dir = newDirectory();
final Document doc = new Document();
doc.add(newField("content", "aaa", Field.Store.YES, Field.Index.ANALYZED));
LogDocMergePolicy ldmp = new LogDocMergePolicy();
ldmp.setMinMergeDocs(1);
ldmp.setMergeFactor(4);
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setMaxBufferedDocs(2).setMergePolicy(ldmp).setMergeScheduler(new ConcurrentMergeScheduler()));
for(int iter=0;iter<10;iter++) {
for(int i=0;i<19;i++)
writer.addDocument(doc);
writer.commit();
writer.waitForMerges();
writer.commit();
SegmentInfos sis = new SegmentInfos();
sis.read(dir);
final int segCount = sis.size();
writer.optimize(7);
writer.commit();
writer.waitForMerges();
sis = new SegmentInfos();
sis.read(dir);
final int optSegCount = sis.size();
if (segCount < 7)
assertEquals(segCount, optSegCount);
else
assertEquals(7, optSegCount);
}
writer.close();
dir.close();
}
/**
* Make sure optimize doesn't use any more than 1X
* starting index size as its temporary free space
* required.
*/
public void testOptimizeTempSpaceUsage() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10).setMergePolicy(newLogMergePolicy()));
if (VERBOSE) {
System.out.println("TEST: config1=" + writer.getConfig());
}
for(int j=0;j<500;j++) {
addDocWithIndex(writer, j);
}
final int termIndexInterval = writer.getConfig().getTermIndexInterval();
// force one extra segment w/ different doc store so
// we see the doc stores get merged
writer.commit();
addDocWithIndex(writer, 500);
writer.close();
if (VERBOSE) {
System.out.println("TEST: start disk usage");
}
long startDiskUsage = 0;
String[] files = dir.listAll();
for(int i=0;i<files.length;i++) {
startDiskUsage += dir.fileLength(files[i]);
if (VERBOSE) {
System.out.println(files[i] + ": " + dir.fileLength(files[i]));
}
}
dir.resetMaxUsedSizeInBytes();
dir.setTrackDiskUsage(true);
// Import to use same term index interval else a
// smaller one here could increase the disk usage and
// cause a false failure:
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND).setTermIndexInterval(termIndexInterval).setMergePolicy(newLogMergePolicy()));
writer.setInfoStream(VERBOSE ? System.out : null);
writer.optimize();
writer.close();
long maxDiskUsage = dir.getMaxUsedSizeInBytes();
assertTrue("optimize used too much temporary space: starting usage was " + startDiskUsage + " bytes; max temp usage was " + maxDiskUsage + " but should have been " + (4*startDiskUsage) + " (= 4X starting usage)",
maxDiskUsage <= 4*startDiskUsage);
dir.close();
}
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();
}
/*
* Simple test for "commit on close": open writer then
* add a bunch of docs, making sure reader does not see
* these docs until writer is closed.
*/
public void testCommitOnClose() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
for (int i = 0; i < 14; 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("first number of hits", 14, hits.length);
searcher.close();
IndexReader reader = IndexReader.open(dir, true);
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
for(int i=0;i<3;i++) {
for(int j=0;j<11;j++) {
addDoc(writer);
}
searcher = new IndexSearcher(dir, false);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("reader incorrectly sees changes from writer", 14, hits.length);
searcher.close();
assertTrue("reader should have still been current", reader.isCurrent());
}
// Now, close the writer:
writer.close();
assertFalse("reader should not be current now", reader.isCurrent());
searcher = new IndexSearcher(dir, false);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("reader did not see changes after writer was closed", 47, hits.length);
searcher.close();
reader.close();
dir.close();
}
/*
* Simple test for "commit on close": open writer, then
* add a bunch of docs, making sure reader does not see
* them until writer has closed. Then instead of
* closing the writer, call abort and verify reader sees
* nothing was added. Then verify we can open the index
* and add docs to it.
*/
public void testCommitOnCloseAbort() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10));
for (int i = 0; i < 14; 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("first number of hits", 14, hits.length);
searcher.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setOpenMode(OpenMode.APPEND).setMaxBufferedDocs(10));
for(int j=0;j<17;j++) {
addDoc(writer);
}
// Delete all docs:
writer.deleteDocuments(searchTerm);
searcher = new IndexSearcher(dir, false);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("reader incorrectly sees changes from writer", 14, hits.length);
searcher.close();
// Now, close the writer:
writer.rollback();
assertNoUnreferencedFiles(dir, "unreferenced files remain after rollback()");
searcher = new IndexSearcher(dir, false);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("saw changes after writer.abort", 14, hits.length);
searcher.close();
// Now make sure we can re-open the index, add docs,
// and all is good:
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setOpenMode(OpenMode.APPEND).setMaxBufferedDocs(10));
// On abort, writer in fact may write to the same
// segments_N file:
dir.setPreventDoubleWrite(false);
for(int i=0;i<12;i++) {
for(int j=0;j<17;j++) {
addDoc(writer);
}
searcher = new IndexSearcher(dir, false);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("reader incorrectly sees changes from writer", 14, hits.length);
searcher.close();
}
writer.close();
searcher = new IndexSearcher(dir, false);
hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
assertEquals("didn't see changes after close", 218, hits.length);
searcher.close();
dir.close();
}
/*
* Verify that a writer with "commit on close" indeed
* cleans up the temp segments created after opening
* that are not referenced by the starting segments
* file. We check this by using MockDirectoryWrapper to
* measure max temp disk space used.
*/
public void testCommitOnCloseDiskUsage() throws IOException {
MockDirectoryWrapper dir = newDirectory();
Analyzer analyzer;
if (random.nextBoolean()) {
// no payloads
analyzer = new WhitespaceAnalyzer(TEST_VERSION_CURRENT);
} else {
// fixed length payloads
final int length = random.nextInt(200);
analyzer = new Analyzer() {
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
return new MockFixedLengthPayloadFilter(random,
new WhitespaceTokenizer(TEST_VERSION_CURRENT, reader),
length);
}
};
}
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig( TEST_VERSION_CURRENT, analyzer).
setMaxBufferedDocs(10).
setReaderPooling(false).
setMergePolicy(newLogMergePolicy(10))
);
for(int j=0;j<30;j++) {
addDocWithIndex(writer, j);
}
writer.close();
dir.resetMaxUsedSizeInBytes();
dir.setTrackDiskUsage(true);
long startDiskUsage = dir.getMaxUsedSizeInBytes();
writer = new IndexWriter(
dir,
newIndexWriterConfig( TEST_VERSION_CURRENT, analyzer)
.setOpenMode(OpenMode.APPEND).
setMaxBufferedDocs(10).
setMergeScheduler(new SerialMergeScheduler()).
setReaderPooling(false).
setMergePolicy(newLogMergePolicy(10))
);
for(int j=0;j<1470;j++) {
addDocWithIndex(writer, j);
}
long midDiskUsage = dir.getMaxUsedSizeInBytes();
dir.resetMaxUsedSizeInBytes();
writer.optimize();
writer.close();
IndexReader.open(dir, true).close();
long endDiskUsage = dir.getMaxUsedSizeInBytes();
// Ending index is 50X as large as starting index; due
// to 3X disk usage normally we allow 150X max
// transient usage. If something is wrong w/ deleter
// and it doesn't delete intermediate segments then it
// will exceed this 150X:
// System.out.println("start " + startDiskUsage + "; mid " + midDiskUsage + ";end " + endDiskUsage);
assertTrue("writer used too much space while adding documents: mid=" + midDiskUsage + " start=" + startDiskUsage + " end=" + endDiskUsage + " max=" + (startDiskUsage*150),
midDiskUsage < 150*startDiskUsage);
assertTrue("writer used too much space after close: endDiskUsage=" + endDiskUsage + " startDiskUsage=" + startDiskUsage + " max=" + (startDiskUsage*150),
endDiskUsage < 150*startDiskUsage);
dir.close();
}
/*
* Verify that calling optimize when writer is open for
* "commit on close" works correctly both for rollback()
* and close().
*/
public void testCommitOnCloseOptimize() throws IOException {
MockDirectoryWrapper dir = newDirectory();
// Must disable throwing exc on double-write: this
// test uses IW.rollback which easily results in
// writing to same file more than once
dir.setPreventDoubleWrite(false);
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(10).
setMergePolicy(newLogMergePolicy(10))
);
for(int j=0;j<17;j++) {
addDocWithIndex(writer, j);
}
writer.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));
writer.optimize();
if (VERBOSE) {
writer.setInfoStream(System.out);
}
// Open a reader before closing (commiting) the writer:
IndexReader reader = IndexReader.open(dir, true);
// Reader should see index as unoptimized at this
// point:
assertFalse("Reader incorrectly sees that the index is optimized", reader.isOptimized());
reader.close();
// Abort the writer:
writer.rollback();
assertNoUnreferencedFiles(dir, "aborted writer after optimize");
// Open a reader after aborting writer:
reader = IndexReader.open(dir, true);
// Reader should still see index as unoptimized:
assertFalse("Reader incorrectly sees that the index is optimized", reader.isOptimized());
reader.close();
if (VERBOSE) {
System.out.println("TEST: do real optimize");
}
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));
if (VERBOSE) {
writer.setInfoStream(System.out);
}
writer.optimize();
writer.close();
if (VERBOSE) {
System.out.println("TEST: writer closed");
}
assertNoUnreferencedFiles(dir, "aborted writer after optimize");
// Open a reader after aborting writer:
reader = IndexReader.open(dir, true);
// Reader should still see index as unoptimized:
assertTrue("Reader incorrectly sees that the index is unoptimized", reader.isOptimized());
reader.close();
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, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("b"+j, "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("c"+j, "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("d"+j, "aaa", Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("e"+j, "aaa", Field.Store.YES, Field.Index.ANALYZED));
doc.add(newField("f"+j, "aaa", Field.Store.YES, Field.Index.ANALYZED));
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, Field.Store.YES, Field.Index.ANALYZED));
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
*
* @deprecated after all the setters on IW go away (4.0), this test can be
* removed because changing ram buffer settings during a write
* session won't be possible.
*/
@Deprecated
public void testChangingRAMBuffer() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10).setRAMBufferSizeMB(
IndexWriterConfig.DISABLE_AUTO_FLUSH));
int lastFlushCount = -1;
for(int j=1;j<52;j++) {
Document doc = new Document();
doc.add(newField("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
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.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (j < 20) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
} else if (20 == j) {
writer.setRAMBufferSizeMB(16);
writer.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 30) {
assertEquals(flushCount, lastFlushCount);
} else if (30 == j) {
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (j < 40) {
assertTrue(flushCount> lastFlushCount);
lastFlushCount = flushCount;
} else if (40 == j) {
writer.setMaxBufferedDocs(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 50) {
assertEquals(flushCount, lastFlushCount);
writer.setMaxBufferedDocs(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (50 == j) {
assertTrue(flushCount > lastFlushCount);
}
}
writer.close();
dir.close();
}
/**
* @deprecated after setters on IW go away, this test can be deleted because
* changing those settings on IW won't be possible.
*/
@Deprecated
public void testChangingRAMBuffer2() throws IOException {
MockDirectoryWrapper dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)).setMaxBufferedDocs(10).setMaxBufferedDeleteTerms(
10).setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH));
for(int j=1;j<52;j++) {
Document doc = new Document();
doc.add(newField("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
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(flushCount > lastFlushCount);
lastFlushCount = flushCount;
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDeleteTerms(1);
} else if (j < 20) {
assertTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
} else if (20 == j) {
writer.setRAMBufferSizeMB(16);
writer.setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 30) {
assertEquals(flushCount, lastFlushCount);
} else if (30 == j) {
writer.setRAMBufferSizeMB(0.000001);
writer.setMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
writer.setMaxBufferedDeleteTerms(1);
} else if (j < 40) {
assertTrue(flushCount> lastFlushCount);
lastFlushCount = flushCount;
} else if (40 == j) {
writer.setMaxBufferedDeleteTerms(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
} else if (j < 50) {
assertEquals(flushCount, lastFlushCount);
writer.setMaxBufferedDeleteTerms(10);
writer.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
} else if (50 == j) {
assertTrue(flushCount > lastFlushCount);
}
}
writer.close();
dir.close();
}
// Make sure it's OK to change RAM buffer size and
// maxBufferedDocs in a write session, using IW.getConfig()
public void testChangingRAMBufferWithIWC() 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", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
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 testChangingRAMBuffer2WithIWC() 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", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
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(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()), Field.Store.YES, Field.Index.ANALYZED));
}
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", Field.Store.YES, Field.Index.ANALYZED));
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, Field.Store.YES, Field.Index.ANALYZED));
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
for(int j=0;j<10;j++) {
Document doc = new Document();
Field f = newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED);
if (j != 8) {
f.setOmitNorms(true);
}
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 = newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED);
if (j != 26) {
f.setOmitNorms(true);
}
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();
doc.add(newField("field", b.toString(), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
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));
TermDocs td = reader.termDocs(t);
td.next();
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();
doc.add(newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
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();
doc.add(newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
writer.commit();
if (VERBOSE) {
System.out.println("\nTEST: now add empty doc");
}
writer.addDocument(new Document());
writer.close();
_TestUtil.checkIndex(dir);
IndexReader reader = IndexReader.open(dir, true);
assertEquals(2, reader.numDocs());
reader.close();
dir.close();
}
// Test calling optimize(false) whereby optimize is kicked
// off but we don't wait for it to finish (but
// writer.close()) does wait
public void testBackgroundOptimize() throws IOException {
Directory dir = newDirectory();
for(int pass=0;pass<2;pass++) {
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setOpenMode(OpenMode.CREATE).
setMaxBufferedDocs(2).
setMergePolicy(newLogMergePolicy(51))
);
Document doc = new Document();
doc.add(newField("field", "aaa", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
for(int i=0;i<100;i++)
writer.addDocument(doc);
writer.optimize(false);
if (0 == pass) {
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertTrue(reader.isOptimized());
reader.close();
} else {
// Get another segment to flush so we can verify it is
// NOT included in the optimization
writer.addDocument(doc);
writer.addDocument(doc);
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertTrue(!reader.isOptimized());
reader.close();
SegmentInfos infos = new SegmentInfos();
infos.read(dir);
assertEquals(2, infos.size());
}
}
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();
document.add(newField("tvtest", "", Store.NO, Index.ANALYZED, TermVector.YES));
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();
document.add(newField("tvtest", "a b c", Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.YES));
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);
}
}
// Just intercepts all merges & verifies that we are never
// merging a segment with >= 20 (maxMergeDocs) docs
private class MyMergeScheduler extends MergeScheduler {
@Override
synchronized public void merge(IndexWriter writer)
throws CorruptIndexException, IOException {
while(true) {
MergePolicy.OneMerge merge = writer.getNextMerge();
if (merge == null) {
break;
}
for(int i=0;i<merge.segments.size();i++) {
assert merge.segments.get(i).docCount < 20;
}
writer.merge(merge);
}
}
@Override
public void close() {}
}
// LUCENE-1013
public void testSetMaxMergeDocs() throws IOException {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setMergeScheduler(new MyMergeScheduler()).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy());
LogMergePolicy lmp = (LogMergePolicy) conf.getMergePolicy();
lmp.setMaxMergeDocs(20);
lmp.setMergeFactor(2);
IndexWriter iw = new IndexWriter(dir, conf);
iw.setInfoStream(VERBOSE ? System.out : null);
Document document = new Document();
document.add(newField("tvtest", "a b c", Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.YES));
for(int i=0;i<177;i++)
iw.addDocument(document);
iw.close();
dir.close();
}
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";
if (i == 7) {
// Add empty docs here
doc.add(newField("content3", "", Field.Store.NO,
Field.Index.ANALYZED));
} else {
Field.Store storeVal;
if (i%2 == 0) {
doc.add(newField("content4", contents, Field.Store.YES,
Field.Index.ANALYZED));
storeVal = Field.Store.YES;
} else
storeVal = Field.Store.NO;
doc.add(newField("content1", contents, storeVal,
Field.Index.ANALYZED));
doc.add(newField("content3", "", Field.Store.YES,
Field.Index.ANALYZED));
doc.add(newField("content5", "", storeVal,
Field.Index.ANALYZED));
}
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();
Field idField = newField("id", "", Field.Store.YES, Field.Index.NOT_ANALYZED);
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);
// have to use compound file to prevent running out of
// descripters when newDirectory returns a file-system
// backed directory:
((LogMergePolicy) writer.getConfig().getMergePolicy()).setUseCompoundFile(true);
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(), Field.Store.NO, Field.Index.ANALYZED));
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-1044: test writer.commit() when ac=false
public void testForceCommit() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(2).
setMergePolicy(newLogMergePolicy(5))
);
writer.commit();
for (int i = 0; i < 23; i++)
addDoc(writer);
IndexReader reader = IndexReader.open(dir, true);
assertEquals(0, reader.numDocs());
writer.commit();
IndexReader reader2 = reader.reopen();
assertEquals(0, reader.numDocs());
assertEquals(23, reader2.numDocs());
reader.close();
for (int i = 0; i < 17; i++)
addDoc(writer);
assertEquals(23, reader2.numDocs());
reader2.close();
reader = IndexReader.open(dir, true);
assertEquals(23, reader.numDocs());
reader.close();
writer.commit();
reader = IndexReader.open(dir, true);
assertEquals(40, reader.numDocs());
reader.close();
writer.close();
dir.close();
}
// LUCENE-1084: test user-specified field length
public void testUserSpecifiedMaxFieldLength() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)));
writer.setMaxFieldLength(100000);
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(), Field.Store.NO, Field.Index.ANALYZED));
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-325: test expungeDeletes, when 2 singular merges
// are required
public void testExpungeDeletes() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random))
.setMaxBufferedDocs(2).setRAMBufferSizeMB(
IndexWriterConfig.DISABLE_AUTO_FLUSH));
writer.setInfoStream(VERBOSE ? System.out : null);
Document document = new Document();
document = new Document();
Field storedField = newField("stored", "stored", Field.Store.YES,
Field.Index.NO);
document.add(storedField);
Field termVectorField = newField("termVector", "termVector",
Field.Store.NO, Field.Index.NOT_ANALYZED,
Field.TermVector.WITH_POSITIONS_OFFSETS);
document.add(termVectorField);
for(int i=0;i<10;i++)
writer.addDocument(document);
writer.close();
IndexReader ir = IndexReader.open(dir, false);
assertEquals(10, ir.maxDoc());
assertEquals(10, ir.numDocs());
ir.deleteDocument(0);
ir.deleteDocument(7);
assertEquals(8, ir.numDocs());
ir.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy()));
assertEquals(8, writer.numDocs());
assertEquals(10, writer.maxDoc());
writer.expungeDeletes();
assertEquals(8, writer.numDocs());
writer.close();
ir = IndexReader.open(dir, true);
assertEquals(8, ir.maxDoc());
assertEquals(8, ir.numDocs());
ir.close();
dir.close();
}
// LUCENE-325: test expungeDeletes, when many adjacent merges are required
public void testExpungeDeletes2() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(2).
setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH).
setMergePolicy(newLogMergePolicy(50))
);
Document document = new Document();
document = new Document();
Field storedField = newField("stored", "stored", Field.Store.YES,
Field.Index.NO);
document.add(storedField);
Field termVectorField = newField("termVector", "termVector",
Field.Store.NO, Field.Index.NOT_ANALYZED,
Field.TermVector.WITH_POSITIONS_OFFSETS);
document.add(termVectorField);
for(int i=0;i<98;i++)
writer.addDocument(document);
writer.close();
IndexReader ir = IndexReader.open(dir, false);
assertEquals(98, ir.maxDoc());
assertEquals(98, ir.numDocs());
for(int i=0;i<98;i+=2)
ir.deleteDocument(i);
assertEquals(49, ir.numDocs());
ir.close();
writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMergePolicy(newLogMergePolicy(3))
);
assertEquals(49, writer.numDocs());
writer.expungeDeletes();
writer.close();
ir = IndexReader.open(dir, true);
assertEquals(49, ir.maxDoc());
assertEquals(49, ir.numDocs());
ir.close();
dir.close();
}
// LUCENE-325: test expungeDeletes without waiting, when
// many adjacent merges are required
public void testExpungeDeletes3() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(2).
setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH).
setMergePolicy(newLogMergePolicy(50))
);
Document document = new Document();
document = new Document();
Field storedField = newField("stored", "stored", Field.Store.YES,
Field.Index.NO);
document.add(storedField);
Field termVectorField = newField("termVector", "termVector",
Field.Store.NO, Field.Index.NOT_ANALYZED,
Field.TermVector.WITH_POSITIONS_OFFSETS);
document.add(termVectorField);
for(int i=0;i<98;i++)
writer.addDocument(document);
writer.close();
IndexReader ir = IndexReader.open(dir, false);
assertEquals(98, ir.maxDoc());
assertEquals(98, ir.numDocs());
for(int i=0;i<98;i+=2)
ir.deleteDocument(i);
assertEquals(49, ir.numDocs());
ir.close();
writer = new IndexWriter(
dir,
newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMergePolicy(newLogMergePolicy(3))
);
writer.expungeDeletes(false);
writer.close();
ir = IndexReader.open(dir, true);
assertEquals(49, ir.maxDoc());
assertEquals(49, ir.numDocs());
ir.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", Field.Store.NO, Field.Index.ANALYZED));
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();
doc.add(newField("field", "a field", Field.Store.YES,
Field.Index.ANALYZED));
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();
}
final String[] utf8Data = new String[] {
// unpaired low surrogate
"ab\udc17cd", "ab\ufffdcd",
"\udc17abcd", "\ufffdabcd",
"\udc17", "\ufffd",
"ab\udc17\udc17cd", "ab\ufffd\ufffdcd",
"\udc17\udc17abcd", "\ufffd\ufffdabcd",
"\udc17\udc17", "\ufffd\ufffd",
// unpaired high surrogate
"ab\ud917cd", "ab\ufffdcd",
"\ud917abcd", "\ufffdabcd",
"\ud917", "\ufffd",
"ab\ud917\ud917cd", "ab\ufffd\ufffdcd",
"\ud917\ud917abcd", "\ufffd\ufffdabcd",
"\ud917\ud917", "\ufffd\ufffd",
// backwards surrogates
"ab\udc17\ud917cd", "ab\ufffd\ufffdcd",
"\udc17\ud917abcd", "\ufffd\ufffdabcd",
"\udc17\ud917", "\ufffd\ufffd",
"ab\udc17\ud917\udc17\ud917cd", "ab\ufffd\ud917\udc17\ufffdcd",
"\udc17\ud917\udc17\ud917abcd", "\ufffd\ud917\udc17\ufffdabcd",
"\udc17\ud917\udc17\ud917", "\ufffd\ud917\udc17\ufffd"
};
// LUCENE-510
public void testInvalidUTF16() throws Throwable {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new StringSplitAnalyzer()));
Document doc = new Document();
final int count = utf8Data.length/2;
for(int i=0;i<count;i++)
doc.add(newField("f" + i, utf8Data[2*i], Field.Store.YES, Field.Index.ANALYZED));
w.addDocument(doc);
w.close();
IndexReader ir = IndexReader.open(dir, true);
Document doc2 = ir.document(0);
for(int i=0;i<count;i++) {
assertEquals("field " + i + " was not indexed correctly", 1, ir.docFreq(new Term("f"+i, utf8Data[2*i+1])));
assertEquals("field " + i + " is incorrect", utf8Data[2*i+1], doc2.getField("f"+i).stringValue());
}
ir.close();
dir.close();
}
// LUCENE-510
public void testAllUnicodeChars() throws Throwable {
UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
char[] chars = new char[2];
for(int ch=0;ch<0x0010FFFF;ch++) {
if (ch == 0xd800)
// Skip invalid code points
ch = 0xe000;
int len = 0;
if (ch <= 0xffff) {
chars[len++] = (char) ch;
} else {
chars[len++] = (char) (((ch-0x0010000) >> 10) + UnicodeUtil.UNI_SUR_HIGH_START);
chars[len++] = (char) (((ch-0x0010000) & 0x3FFL) + UnicodeUtil.UNI_SUR_LOW_START);
}
UnicodeUtil.UTF16toUTF8(chars, 0, len, utf8);
String s1 = new String(chars, 0, len);
String s2 = new String(utf8.result, 0, utf8.length, "UTF-8");
assertEquals("codepoint " + ch, s1, s2);
UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16);
assertEquals("codepoint " + ch, s1, new String(utf16.result, 0, utf16.length));
byte[] b = s1.getBytes("UTF-8");
assertEquals(utf8.length, b.length);
for(int j=0;j<utf8.length;j++)
assertEquals(utf8.result[j], b[j]);
}
}
private int nextInt(int lim) {
return random.nextInt(lim);
}
private int nextInt(int start, int end) {
return start + nextInt(end-start);
}
private boolean fillUnicode(char[] buffer, char[] expected, int offset, int count) {
final int len = offset + count;
boolean hasIllegal = false;
if (offset > 0 && buffer[offset] >= 0xdc00 && buffer[offset] < 0xe000)
// Don't start in the middle of a valid surrogate pair
offset--;
for(int i=offset;i<len;i++) {
int t = nextInt(6);
if (0 == t && i < len-1) {
// Make a surrogate pair
// High surrogate
expected[i] = buffer[i++] = (char) nextInt(0xd800, 0xdc00);
// Low surrogate
expected[i] = buffer[i] = (char) nextInt(0xdc00, 0xe000);
} else if (t <= 1)
expected[i] = buffer[i] = (char) nextInt(0x80);
else if (2 == t)
expected[i] = buffer[i] = (char) nextInt(0x80, 0x800);
else if (3 == t)
expected[i] = buffer[i] = (char) nextInt(0x800, 0xd800);
else if (4 == t)
expected[i] = buffer[i] = (char) nextInt(0xe000, 0xffff);
else if (5 == t && i < len-1) {
// Illegal unpaired surrogate
if (nextInt(10) == 7) {
if (random.nextBoolean())
buffer[i] = (char) nextInt(0xd800, 0xdc00);
else
buffer[i] = (char) nextInt(0xdc00, 0xe000);
expected[i++] = 0xfffd;
expected[i] = buffer[i] = (char) nextInt(0x800, 0xd800);
hasIllegal = true;
} else
expected[i] = buffer[i] = (char) nextInt(0x800, 0xd800);
} else {
expected[i] = buffer[i] = ' ';
}
}
return hasIllegal;
}
// LUCENE-510
public void testRandomUnicodeStrings() throws Throwable {
char[] buffer = new char[20];
char[] expected = new char[20];
UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
int num = 100000 * RANDOM_MULTIPLIER;
for (int iter = 0; iter < num; iter++) {
boolean hasIllegal = fillUnicode(buffer, expected, 0, 20);
UnicodeUtil.UTF16toUTF8(buffer, 0, 20, utf8);
if (!hasIllegal) {
byte[] b = new String(buffer, 0, 20).getBytes("UTF-8");
assertEquals(b.length, utf8.length);
for(int i=0;i<b.length;i++)
assertEquals(b[i], utf8.result[i]);
}
UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16);
assertEquals(utf16.length, 20);
for(int i=0;i<20;i++)
assertEquals(expected[i], utf16.result[i]);
}
}
// LUCENE-510
public void testIncrementalUnicodeStrings() throws Throwable {
char[] buffer = new char[20];
char[] expected = new char[20];
UnicodeUtil.UTF8Result utf8 = new UnicodeUtil.UTF8Result();
UnicodeUtil.UTF16Result utf16 = new UnicodeUtil.UTF16Result();
UnicodeUtil.UTF16Result utf16a = new UnicodeUtil.UTF16Result();
boolean hasIllegal = false;
byte[] last = new byte[60];
int num = 100000 * RANDOM_MULTIPLIER;
for (int iter = 0; iter < num; iter++) {
final int prefix;
if (iter == 0 || hasIllegal)
prefix = 0;
else
prefix = nextInt(20);
hasIllegal = fillUnicode(buffer, expected, prefix, 20-prefix);
UnicodeUtil.UTF16toUTF8(buffer, 0, 20, utf8);
if (!hasIllegal) {
byte[] b = new String(buffer, 0, 20).getBytes("UTF-8");
assertEquals(b.length, utf8.length);
for(int i=0;i<b.length;i++)
assertEquals(b[i], utf8.result[i]);
}
int bytePrefix = 20;
if (iter == 0 || hasIllegal)
bytePrefix = 0;
else
for(int i=0;i<20;i++)
if (last[i] != utf8.result[i]) {
bytePrefix = i;
break;
}
System.arraycopy(utf8.result, 0, last, 0, utf8.length);
UnicodeUtil.UTF8toUTF16(utf8.result, bytePrefix, utf8.length-bytePrefix, utf16);
assertEquals(20, utf16.length);
for(int i=0;i<20;i++)
assertEquals(expected[i], utf16.result[i]);
UnicodeUtil.UTF8toUTF16(utf8.result, 0, utf8.length, utf16a);
assertEquals(20, utf16a.length);
for(int i=0;i<20;i++)
assertEquals(expected[i], utf16a.result[i]);
}
}
// 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 Field("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);
TermPositions tps = s.getIndexReader().termPositions(new Term("field", "a"));
assertTrue(tps.next());
assertEquals(1, tps.freq());
assertEquals(0, tps.nextPosition());
w.close();
_TestUtil.checkIndex(dir);
s.close();
dir.close();
}
// LUCENE-1274: test writer.prepareCommit()
public void testPrepareCommit() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(2).
setMergePolicy(newLogMergePolicy(5))
);
writer.commit();
for (int i = 0; i < 23; i++)
addDoc(writer);
IndexReader reader = IndexReader.open(dir, true);
assertEquals(0, reader.numDocs());
writer.prepareCommit();
IndexReader reader2 = IndexReader.open(dir, true);
assertEquals(0, reader2.numDocs());
writer.commit();
IndexReader reader3 = reader.reopen();
assertEquals(0, reader.numDocs());
assertEquals(0, reader2.numDocs());
assertEquals(23, reader3.numDocs());
reader.close();
reader2.close();
for (int i = 0; i < 17; i++)
addDoc(writer);
assertEquals(23, reader3.numDocs());
reader3.close();
reader = IndexReader.open(dir, true);
assertEquals(23, reader.numDocs());
reader.close();
writer.prepareCommit();
reader = IndexReader.open(dir, true);
assertEquals(23, reader.numDocs());
reader.close();
writer.commit();
reader = IndexReader.open(dir, true);
assertEquals(40, reader.numDocs());
reader.close();
writer.close();
dir.close();
}
// LUCENE-1274: test writer.prepareCommit()
public void testPrepareCommitRollback() throws IOException {
MockDirectoryWrapper dir = newDirectory();
dir.setPreventDoubleWrite(false);
IndexWriter writer = new IndexWriter(
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
setMaxBufferedDocs(2).
setMergePolicy(newLogMergePolicy(5))
);
writer.commit();
for (int i = 0; i < 23; i++)
addDoc(writer);
IndexReader reader = IndexReader.open(dir, true);
assertEquals(0, reader.numDocs());
writer.prepareCommit();
IndexReader reader2 = IndexReader.open(dir, true);
assertEquals(0, reader2.numDocs());
writer.rollback();
IndexReader reader3 = reader.reopen();
assertEquals(0, reader.numDocs());
assertEquals(0, reader2.numDocs());
assertEquals(0, reader3.numDocs());
reader.close();
reader2.close();
writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
for (int i = 0; i < 17; i++)
addDoc(writer);
assertEquals(0, reader3.numDocs());
reader3.close();
reader = IndexReader.open(dir, true);
assertEquals(0, reader.numDocs());
reader.close();
writer.prepareCommit();
reader = IndexReader.open(dir, true);
assertEquals(0, reader.numDocs());
reader.close();
writer.commit();
reader = IndexReader.open(dir, true);
assertEquals(17, reader.numDocs());
reader.close();
writer.close();
dir.close();
}
// LUCENE-1274
public void testPrepareCommitNoChanges() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
writer.prepareCommit();
writer.commit();
writer.close();
IndexReader reader = IndexReader.open(dir, true);
assertEquals(0, reader.numDocs());
reader.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 Field("binary", b, 10, 17);
byte[] bx = f.getBinaryValue();
assertTrue(bx != null);
assertEquals(50, bx.length);
assertEquals(10, f.getBinaryOffset());
assertEquals(17, f.getBinaryLength());
doc.add(f);
w.addDocument(doc);
w.close();
IndexReader ir = IndexReader.open(dir, true);
doc = ir.document(0);
f = doc.getField("binary");
b = f.getBinaryValue();
assertTrue(b != null);
assertEquals(17, b.length, 17);
assertEquals(87, b[0]);
ir.close();
dir.close();
}
// LUCENE-1382
public void testCommitUserData() throws IOException {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2));
for(int j=0;j<17;j++)
addDoc(w);
w.close();
assertEquals(0, IndexReader.getCommitUserData(dir).size());
IndexReader r = IndexReader.open(dir, true);
// commit(Map) never called for this index
assertEquals(0, r.getCommitUserData().size());
r.close();
w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(2));
for(int j=0;j<17;j++)
addDoc(w);
Map<String,String> data = new HashMap<String,String>();
data.put("label", "test1");
w.commit(data);
w.close();
assertEquals("test1", IndexReader.getCommitUserData(dir).get("label"));
r = IndexReader.open(dir, true);
assertEquals("test1", r.getCommitUserData().get("label"));
r.close();
w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
w.optimize();
w.close();
assertEquals("test1", IndexReader.getCommitUserData(dir).get("label"));
dir.close();
}
// LUCENE-2529
public void testPositionIncrementGapEmptyField() throws Exception {
Directory dir = newDirectory();
Analyzer analyzer = new Analyzer(){
Analyzer a = new WhitespaceAnalyzer( TEST_VERSION_CURRENT );
@Override
public TokenStream tokenStream(String fieldName, Reader reader){
return a.tokenStream(fieldName, reader);
}
@Override
public int getPositionIncrementGap(String fieldName) {
return 100;
}
};
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, analyzer));
Document doc = new Document();
Field f = newField("field", "", Field.Store.NO,
Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS);
Field f2 = newField("field", "crunch man", Field.Store.NO,
Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS);
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");
out.writeByte((byte) 42);
out.close();
new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))).close();
assertTrue(dir.fileExists("myrandomfile"));
// Make sure this does not copy myrandomfile:
Directory dir2 = new MockDirectoryWrapper(random, new RAMDirectory(dir));
assertTrue(!dir2.fileExists("myrandomfile"));
dir2.close();
} 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();
doc.add(newField("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES,
Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
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(new IndexReader[] {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);
Document doc = new Document();
doc.add(newField("field", "some text contents", Field.Store.YES, Field.Index.ANALYZED));
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) {
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();
Field f = new Field("binary", b, 10, 17);
f.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc1field1")));
Field f2 = newField("string", "value", Field.Store.YES,Field.Index.ANALYZED);
f2.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc1field2")));
doc.add(f);
doc.add(f2);
w.addDocument(doc);
// add 2 docs to test in-memory merging
f.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc2field1")));
f2.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc2field2")));
w.addDocument(doc);
// force segment flush so we can force a segment merge with doc3 later.
w.commit();
f.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc3field1")));
f2.setTokenStream(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("doc3field2")));
w.addDocument(doc);
w.commit();
w.optimize(); // force segment merge.
w.close();
IndexReader ir = IndexReader.open(dir, true);
doc = ir.document(0);
f = doc.getField("binary");
b = f.getBinaryValue();
assertTrue(b != null);
assertEquals(17, b.length, 17);
assertEquals(87, b[0]);
assertTrue(ir.document(0).getFieldable("binary").isBinary());
assertTrue(ir.document(1).getFieldable("binary").isBinary());
assertTrue(ir.document(2).getFieldable("binary").isBinary());
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(ir.termDocs(new Term("binary","doc1field1")).next());
assertTrue(ir.termDocs(new Term("binary","doc2field1")).next());
assertTrue(ir.termDocs(new Term("binary","doc3field1")).next());
assertTrue(ir.termDocs(new Term("string","doc1field2")).next());
assertTrue(ir.termDocs(new Term("string","doc2field2")).next());
assertTrue(ir.termDocs(new Term("string","doc3field2")).next());
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();
doc.add(newField("zzz", "a b c", Field.Store.YES, Field.Index.NO));
doc.add(newField("aaa", "a b c", Field.Store.YES, Field.Index.NO));
doc.add(newField("zzz", "1 2 3", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
IndexReader r = w.getReader();
doc = r.document(0);
Iterator<Fieldable> it = doc.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 testEmbeddedFFFF() throws Throwable {
Directory d = newDirectory();
IndexWriter w = new IndexWriter(d, newIndexWriterConfig( TEST_VERSION_CURRENT, new StringSplitAnalyzer()));
Document doc = new Document();
doc.add(newField("field", "a a\uffffb", Field.Store.NO, Field.Index.ANALYZED));
w.addDocument(doc);
doc = new Document();
doc.add(newField("field", "a", Field.Store.NO, Field.Index.ANALYZED));
w.addDocument(doc);
w.close();
_TestUtil.checkIndex(d);
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();
_TestUtil.checkIndex(dir);
dir.close();
}
// LUCENE-2095: make sure with multiple threads commit
// doesn't return until all changes are in fact in the
// index
public void testCommitThreadSafety() throws Throwable {
final int NUM_THREADS = 5;
final double RUN_SEC = 0.5;
final Directory dir = newDirectory();
final RandomIndexWriter w = new RandomIndexWriter(random, dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy()));
_TestUtil.reduceOpenFiles(w.w);
w.commit();
final AtomicBoolean failed = new AtomicBoolean();
Thread[] threads = new Thread[NUM_THREADS];
final long endTime = System.currentTimeMillis()+((long) (RUN_SEC*1000));
for(int i=0;i<NUM_THREADS;i++) {
final int finalI = i;
threads[i] = new Thread() {
@Override
public void run() {
try {
final Document doc = new Document();
IndexReader r = IndexReader.open(dir);
Field f = newField("f", "", Field.Store.NO, Field.Index.NOT_ANALYZED);
doc.add(f);
int count = 0;
do {
if (failed.get()) break;
for(int j=0;j<10;j++) {
final String s = finalI + "_" + String.valueOf(count++);
f.setValue(s);
w.addDocument(doc);
w.commit();
IndexReader r2 = r.reopen();
assertTrue(r2 != r);
r.close();
r = r2;
assertEquals("term=f:" + s + "; r=" + r, 1, r.docFreq(new Term("f", s)));
}
} while(System.currentTimeMillis() < endTime);
r.close();
} catch (Throwable t) {
failed.set(true);
throw new RuntimeException(t);
}
}
};
threads[i].start();
}
for(int i=0;i<NUM_THREADS;i++) {
threads[i].join();
}
assertFalse(failed.get());
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", Field.Store.NO, Field.Index.ANALYZED));
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());
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();
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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();
}
private static class FlushCountingIndexWriter extends IndexWriter {
int flushCount;
public FlushCountingIndexWriter(Directory dir, IndexWriterConfig iwc) throws IOException {
super(dir, iwc);
}
@Override
public void doAfterFlush() {
flushCount++;
}
}
public void testIndexingThenDeleting() throws Exception {
final Random r = random;
Directory dir = newDirectory();
// note this test explicitly disables payloads
final Analyzer analyzer = new WhitespaceAnalyzer(TEST_VERSION_CURRENT);
FlushCountingIndexWriter w = new FlushCountingIndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, analyzer).setRAMBufferSizeMB(1.0).setMaxBufferedDocs(-1).setMaxBufferedDeleteTerms(-1));
w.setInfoStream(VERBOSE ? System.out : null);
Document doc = new Document();
doc.add(newField("field", "go 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20", Field.Store.NO, Field.Index.ANALYZED));
int num = TEST_NIGHTLY ? 6 * RANDOM_MULTIPLIER : 3 * RANDOM_MULTIPLIER;
for (int iter = 0; iter < num; iter++) {
int count = 0;
final boolean doIndexing = r.nextBoolean();
if (VERBOSE) {
System.out.println("TEST: iter doIndexing=" + doIndexing);
}
if (doIndexing) {
// Add docs until a flush is triggered
final int startFlushCount = w.flushCount;
while(w.flushCount == startFlushCount) {
w.addDocument(doc);
count++;
}
} else {
// Delete docs until a flush is triggered
final int startFlushCount = w.flushCount;
while(w.flushCount == startFlushCount) {
w.deleteDocuments(new Term("foo", ""+count));
count++;
}
}
assertTrue("flush happened too quickly during " + (doIndexing ? "indexing" : "deleting") + " count=" + count, count > 3000);
}
w.close();
dir.close();
}
public void testNoCommits() throws Exception {
// Tests that if we don't call commit(), the directory has 0 commits. This has
// changed since LUCENE-2386, where before IW would always commit on a fresh
// new index.
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
try {
IndexReader.listCommits(dir);
fail("listCommits should have thrown an exception over empty index");
} catch (IndexNotFoundException e) {
// that's expected !
}
// No changes still should generate a commit, because it's a new index.
writer.close();
assertEquals("expected 1 commits!", 1, IndexReader.listCommits(dir).size());
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) {
assertEquals("write.lock", files[0]);
extraFileCount = 1;
} else {
assertEquals(0, files.length);
extraFileCount = 0;
}
Document doc = new Document();
// create as many files as possible
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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();
doc.add(newField("c", "val", Store.YES, Index.ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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();
w.rollback();
dir.close();
}
public void testFutureCommit() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setIndexDeletionPolicy(NoDeletionPolicy.INSTANCE));
Document doc = new Document();
w.addDocument(doc);
// commit to "first"
Map<String,String> commitData = new HashMap<String,String>();
commitData.put("tag", "first");
w.commit(commitData);
// commit to "second"
w.addDocument(doc);
commitData.put("tag", "second");
w.commit(commitData);
w.close();
// open "first" with IndexWriter
IndexCommit commit = null;
for(IndexCommit c : IndexReader.listCommits(dir)) {
if (c.getUserData().get("tag").equals("first")) {
commit = c;
break;
}
}
assertNotNull(commit);
w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setIndexDeletionPolicy(NoDeletionPolicy.INSTANCE).setIndexCommit(commit));
assertEquals(1, w.numDocs());
// commit IndexWriter to "third"
w.addDocument(doc);
commitData.put("tag", "third");
w.commit(commitData);
w.close();
// make sure "second" commit is still there
commit = null;
for(IndexCommit c : IndexReader.listCommits(dir)) {
if (c.getUserData().get("tag").equals("second")) {
commit = c;
break;
}
}
assertNotNull(commit);
IndexReader r = IndexReader.open(commit, true);
assertEquals(2, r.numDocs());
r.close();
// open "second", w/ writeable IndexReader & commit
r = IndexReader.open(commit, NoDeletionPolicy.INSTANCE, false);
assertEquals(2, r.numDocs());
r.deleteDocument(0);
r.deleteDocument(1);
commitData.put("tag", "fourth");
r.commit(commitData);
r.close();
// make sure "third" commit is still there
commit = null;
for(IndexCommit c : IndexReader.listCommits(dir)) {
if (c.getUserData().get("tag").equals("third")) {
commit = c;
break;
}
}
assertNotNull(commit);
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 = 200*RANDOM_MULTIPLIER;
final int fieldCount = _TestUtil.nextInt(rand, 1, 5);
final List<Integer> fieldIDs = new ArrayList<Integer>();
Field idField = newField("id", "", Field.Store.YES, Field.Index.NOT_ANALYZED);
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);
}
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);
for(int field: fieldIDs) {
final String s;
if (rand.nextInt(4) != 3) {
s = _TestUtil.randomUnicodeString(rand, 1000);
doc.add(newField("f"+field, s, Field.Store.YES, Field.Index.NO));
} 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 " + 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);
}
for(int iter=0;iter<1000*RANDOM_MULTIPLIER;iter++) {
String testID = idsList[rand.nextInt(idsList.length)];
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;
for (int i=0; i<2; i++) {
Document doc = new Document();
doc.add(new Field("id", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
doc.add(new Field("str", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.add(new Field("str2", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("str3", Integer.toString(i)+BIG, Field.Store.YES, Field.Index.ANALYZED_NO_NORMS));
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();
}
public void testDeleteAllSlowly() throws Exception {
final Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random, dir);
final int NUM_DOCS = 1000 * RANDOM_MULTIPLIER;
final List<Integer> ids = new ArrayList<Integer>(NUM_DOCS);
for(int id=0;id<NUM_DOCS;id++) {
ids.add(id);
}
Collections.shuffle(ids, random);
for(int id : ids) {
Document doc = new Document();
doc.add(newField("id", ""+id, Field.Index.NOT_ANALYZED));
w.addDocument(doc);
}
Collections.shuffle(ids, random);
int upto = 0;
while(upto < ids.size()) {
final int left = ids.size() - upto;
final int inc = Math.min(left, _TestUtil.nextInt(random, 1, 20));
final int limit = upto + inc;
while(upto < limit) {
w.deleteDocuments(new Term("id", ""+ids.get(upto++)));
}
final IndexReader r = w.getReader();
assertEquals(NUM_DOCS - upto, r.numDocs());
r.close();
}
w.close();
dir.close();
}
}