| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.jackrabbit.oak.plugins.index.lucene.directory; |
| |
| import java.io.IOException; |
| import java.util.Random; |
| |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.IOContext; |
| import org.apache.lucene.store.IndexOutput; |
| import org.apache.lucene.store.RAMDirectory; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| public class IndexSanityCheckerTest { |
| private Random rnd = new Random(); |
| |
| private Directory local = new RAMDirectory(); |
| private Directory remote = new RAMDirectory(); |
| |
| @Test |
| public void validDirs() throws Exception{ |
| byte[] t1 = writeFile(local, "t1", 100); |
| writeFile(remote, "t1", t1); |
| |
| assertTrue(new IndexSanityChecker("/foo", local, remote).check()); |
| |
| assertTrue(local.fileExists("t1")); |
| assertTrue(remote.fileExists("t1")); |
| } |
| |
| @Test |
| public void sizeMismatch() throws Exception{ |
| byte[] t1L = writeFile(local, "t1", 100); |
| // write t1 remote with at least one byte more |
| writeFile(remote, "t1", randomBytes(t1L.length + rnd.nextInt(10) + 1)); |
| // write t2 remote only |
| byte[] t2R = writeFile(remote, "t2", 120); |
| // write t3 remote and local with same size and data |
| byte[] t3R = writeFile(remote, "t3", 140); |
| writeFile(local, "t3", t3R); |
| |
| assertFalse(new IndexSanityChecker("/foo", local, remote).check()); |
| |
| assertTrue(remote.fileExists("t3")); |
| |
| //In case of size mismatch all local files would be removed |
| assertFalse(local.fileExists("t1")); |
| assertFalse(local.fileExists("t3")); |
| } |
| |
| @Test |
| public void extraLocalFiles() throws Exception{ |
| byte[] t1L = writeFile(local, "t1", 100); |
| byte[] t3R = writeFile(remote, "t3", 140); |
| writeFile(local, "t3", t3R); |
| |
| new IndexSanityChecker("/foo", local, remote).check(); |
| |
| //t1 exist in local but not in remote |
| //it must be removed |
| assertFalse(local.fileExists("t1")); |
| |
| //t3 should remain present |
| assertTrue(remote.fileExists("t3")); |
| } |
| |
| private byte[] writeFile(Directory dir, String name, int size) throws IOException { |
| byte[] data = randomBytes(rnd.nextInt(size) + 1); |
| writeFile(dir, name, data); |
| return data; |
| } |
| |
| private void writeFile(Directory dir, String name, byte[] data) throws IOException { |
| IndexOutput o = dir.createOutput(name, IOContext.DEFAULT); |
| o.writeBytes(data, data.length); |
| o.close(); |
| } |
| |
| private byte[] randomBytes(int size) { |
| byte[] data = new byte[size]; |
| rnd.nextBytes(data); |
| return data; |
| } |
| } |