+++ /dev/null
-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 org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.store.IndexInput;
-import org.apache.lucene.store.IndexOutput;
-import org.apache.lucene.store.MockDirectoryWrapper;
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.analysis.WhitespaceAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.index.IndexWriterConfig.OpenMode;
-
-import java.io.*;
-import java.util.*;
-
-/*
- Verify we can read the pre-2.1 file format, do searches
- against it, and add documents to it.
-*/
-
-public class TestIndexFileDeleter extends LuceneTestCase {
-
- public void testDeleteLeftoverFiles() throws IOException {
- MockDirectoryWrapper dir = newDirectory();
- dir.setPreventDoubleWrite(false);
- IndexWriterConfig conf = newIndexWriterConfig(
- TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT))
- .setMaxBufferedDocs(10);
- LogMergePolicy mergePolicy = newLogMergePolicy(true, 10);
- mergePolicy.setNoCFSRatio(1); // This test expects all of its segments to be in CFS
- conf.setMergePolicy(mergePolicy);
-
- IndexWriter writer = new IndexWriter(
- dir,
- newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
- setMaxBufferedDocs(10).
- setMergePolicy(mergePolicy)
- );
-
- writer.setInfoStream(VERBOSE ? System.out : null);
-
- int i;
- for(i=0;i<35;i++) {
- addDoc(writer, i);
- }
- mergePolicy.setUseCompoundFile(false);
- for(;i<45;i++) {
- addDoc(writer, i);
- }
- writer.close();
-
- // Delete one doc so we get a .del file:
- IndexReader reader = IndexReader.open(dir, false);
- Term searchTerm = new Term("id", "7");
- int delCount = reader.deleteDocuments(searchTerm);
- assertEquals("didn't delete the right number of documents", 1, delCount);
-
- // Set one norm so we get a .s0 file:
- reader.setNorm(21, "content", (float) 1.5);
- reader.close();
-
- // Now, artificially create an extra .del file & extra
- // .s0 file:
- String[] files = dir.listAll();
-
- /*
- for(int j=0;j<files.length;j++) {
- System.out.println(j + ": " + files[j]);
- }
- */
-
- // The numbering of fields can vary depending on which
- // JRE is in use. On some JREs we see content bound to
- // field 0; on others, field 1. So, here we have to
- // figure out which field number corresponds to
- // "content", and then set our expected file names below
- // accordingly:
- CompoundFileReader cfsReader = new CompoundFileReader(dir, "_2.cfs");
- FieldInfos fieldInfos = new FieldInfos(cfsReader, "_2.fnm");
- int contentFieldIndex = -1;
- for(i=0;i<fieldInfos.size();i++) {
- FieldInfo fi = fieldInfos.fieldInfo(i);
- if (fi.name.equals("content")) {
- contentFieldIndex = i;
- break;
- }
- }
- cfsReader.close();
- assertTrue("could not locate the 'content' field number in the _2.cfs segment", contentFieldIndex != -1);
-
- String normSuffix = "s" + contentFieldIndex;
-
- // Create a bogus separate norms file for a
- // segment/field that actually has a separate norms file
- // already:
- copyFile(dir, "_2_1." + normSuffix, "_2_2." + normSuffix);
-
- // Create a bogus separate norms file for a
- // segment/field that actually has a separate norms file
- // already, using the "not compound file" extension:
- copyFile(dir, "_2_1." + normSuffix, "_2_2.f" + contentFieldIndex);
-
- // Create a bogus separate norms file for a
- // segment/field that does not have a separate norms
- // file already:
- copyFile(dir, "_2_1." + normSuffix, "_1_1." + normSuffix);
-
- // Create a bogus separate norms file for a
- // segment/field that does not have a separate norms
- // file already using the "not compound file" extension:
- copyFile(dir, "_2_1." + normSuffix, "_1_1.f" + contentFieldIndex);
-
- // Create a bogus separate del file for a
- // segment that already has a separate del file:
- copyFile(dir, "_0_1.del", "_0_2.del");
-
- // Create a bogus separate del file for a
- // segment that does not yet have a separate del file:
- copyFile(dir, "_0_1.del", "_1_1.del");
-
- // Create a bogus separate del file for a
- // non-existent segment:
- copyFile(dir, "_0_1.del", "_188_1.del");
-
- // Create a bogus segment file:
- copyFile(dir, "_0.cfs", "_188.cfs");
-
- // Create a bogus fnm file when the CFS already exists:
- copyFile(dir, "_0.cfs", "_0.fnm");
-
- // Create a deletable file:
- copyFile(dir, "_0.cfs", "deletable");
-
- // Create some old segments file:
- copyFile(dir, "segments_2", "segments");
- copyFile(dir, "segments_2", "segments_1");
-
- // Create a bogus cfs file shadowing a non-cfs segment:
- assertTrue(dir.fileExists("_3.fdt"));
- assertTrue(!dir.fileExists("_3.cfs"));
- copyFile(dir, "_1.cfs", "_3.cfs");
-
- String[] filesPre = dir.listAll();
-
- // Open & close a writer: it should delete the above 4
- // files and nothing more:
- writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));
- writer.close();
-
- String[] files2 = dir.listAll();
- dir.close();
-
- Arrays.sort(files);
- Arrays.sort(files2);
-
- Set<String> dif = difFiles(files, files2);
-
- if (!Arrays.equals(files, files2)) {
- fail("IndexFileDeleter failed to delete unreferenced extra files: should have deleted " + (filesPre.length-files.length) + " files but only deleted " + (filesPre.length - files2.length) + "; expected files:\n " + asString(files) + "\n actual files:\n " + asString(files2)+"\ndif: "+dif);
- }
- }
-
- private static Set<String> difFiles(String[] files1, String[] files2) {
- Set<String> set1 = new HashSet<String>();
- Set<String> set2 = new HashSet<String>();
- Set<String> extra = new HashSet<String>();
-
- for (int x=0; x < files1.length; x++) {
- set1.add(files1[x]);
- }
- for (int x=0; x < files2.length; x++) {
- set2.add(files2[x]);
- }
- Iterator<String> i1 = set1.iterator();
- while (i1.hasNext()) {
- String o = i1.next();
- if (!set2.contains(o)) {
- extra.add(o);
- }
- }
- Iterator<String> i2 = set2.iterator();
- while (i2.hasNext()) {
- String o = i2.next();
- if (!set1.contains(o)) {
- extra.add(o);
- }
- }
- return extra;
- }
-
- private String asString(String[] l) {
- String s = "";
- for(int i=0;i<l.length;i++) {
- if (i > 0) {
- s += "\n ";
- }
- s += l[i];
- }
- return s;
- }
-
- public void copyFile(Directory dir, String src, String dest) throws IOException {
- IndexInput in = dir.openInput(src);
- IndexOutput out = dir.createOutput(dest);
- byte[] b = new byte[1024];
- long remainder = in.length();
- while(remainder > 0) {
- int len = (int) Math.min(b.length, remainder);
- in.readBytes(b, 0, len);
- out.writeBytes(b, len);
- remainder -= len;
- }
- in.close();
- out.close();
- }
-
- private void addDoc(IndexWriter writer, int id) throws IOException
- {
- Document doc = new Document();
- doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.ANALYZED));
- doc.add(newField("id", Integer.toString(id), Field.Store.YES, Field.Index.NOT_ANALYZED));
- writer.addDocument(doc);
- }
-}
fnp / pylucene.git / blobdiff