| /** |
| * |
| * 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.bookkeeper.bookie.storage.ldb; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.google.common.collect.Lists; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map.Entry; |
| |
| import org.apache.bookkeeper.bookie.storage.ldb.KeyValueStorage.Batch; |
| import org.apache.bookkeeper.bookie.storage.ldb.KeyValueStorage.CloseableIterator; |
| import org.apache.bookkeeper.bookie.storage.ldb.KeyValueStorageFactory.DbConfigType; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** |
| * Unit test for {@link KeyValueStorage}. |
| */ |
| @RunWith(Parameterized.class) |
| public class KeyValueStorageTest { |
| |
| private final KeyValueStorageFactory storageFactory; |
| private final ServerConfiguration configuration; |
| |
| @Parameters |
| public static Collection<Object[]> configs() { |
| return Arrays.asList(new Object[][] { { KeyValueStorageRocksDB.factory } }); |
| } |
| |
| public KeyValueStorageTest(KeyValueStorageFactory storageFactory) { |
| this.storageFactory = storageFactory; |
| this.configuration = new ServerConfiguration(); |
| } |
| |
| private static long fromArray(byte[] array) { |
| return ArrayUtil.getLong(array, 0); |
| } |
| |
| private static byte[] toArray(long n) { |
| byte[] b = new byte[8]; |
| ArrayUtil.setLong(b, 0, n); |
| return b; |
| } |
| |
| @Test |
| public void simple() throws Exception { |
| File tmpDir = File.createTempFile("bookie", "test"); |
| tmpDir.delete(); |
| |
| KeyValueStorage db = storageFactory.newKeyValueStorage(tmpDir.getAbsolutePath(), DbConfigType.Small, |
| configuration); |
| |
| assertEquals(null, db.getFloor(toArray(3))); |
| assertEquals(0, db.count()); |
| |
| db.put(toArray(5), toArray(5)); |
| |
| assertEquals(null, db.getFloor(toArray(3))); |
| assertEquals(1, db.count()); |
| |
| assertEquals(null, db.getFloor(toArray(5))); |
| assertEquals(5, fromArray(db.getFloor(toArray(6)).getKey())); |
| |
| db.put(toArray(3), toArray(3)); |
| |
| assertEquals(null, db.getFloor(toArray(3))); |
| assertEquals(2, db.count()); |
| |
| // // |
| |
| db.put(toArray(5), toArray(5)); |
| // Count can be imprecise |
| assertTrue(db.count() > 0); |
| |
| assertEquals(null, db.getFloor(toArray(1))); |
| assertEquals(null, db.getFloor(toArray(3))); |
| assertEquals(3, fromArray(db.getFloor(toArray(5)).getKey())); |
| assertEquals(5, fromArray(db.getFloor(toArray(6)).getKey())); |
| assertEquals(5, fromArray(db.getFloor(toArray(10)).getKey())); |
| |
| // Iterate |
| List<Long> foundKeys = Lists.newArrayList(); |
| try (CloseableIterator<Entry<byte[], byte[]>> iter = db.iterator()) { |
| while (iter.hasNext()) { |
| foundKeys.add(fromArray(iter.next().getKey())); |
| } |
| } |
| |
| assertEquals(Lists.newArrayList(3L, 5L), foundKeys); |
| |
| // Iterate over keys |
| foundKeys = Lists.newArrayList(); |
| CloseableIterator<byte[]> iter2 = db.keys(); |
| try { |
| while (iter2.hasNext()) { |
| foundKeys.add(fromArray(iter2.next())); |
| } |
| } finally { |
| iter2.close(); |
| } |
| |
| assertEquals(Lists.newArrayList(3L, 5L), foundKeys); |
| |
| // Scan with limits |
| foundKeys = Lists.newArrayList(); |
| iter2 = db.keys(toArray(1), toArray(4)); |
| try { |
| while (iter2.hasNext()) { |
| foundKeys.add(fromArray(iter2.next())); |
| } |
| } finally { |
| iter2.close(); |
| } |
| |
| assertEquals(Lists.newArrayList(3L), foundKeys); |
| |
| // Test deletion |
| db.put(toArray(10), toArray(10)); |
| db.put(toArray(11), toArray(11)); |
| db.put(toArray(12), toArray(12)); |
| db.put(toArray(14), toArray(14)); |
| |
| // Count can be imprecise |
| assertTrue(db.count() > 0); |
| |
| assertEquals(10L, fromArray(db.get(toArray(10)))); |
| db.delete(toArray(10)); |
| assertEquals(null, db.get(toArray(10))); |
| assertTrue(db.count() > 0); |
| |
| Batch batch = db.newBatch(); |
| batch.remove(toArray(11)); |
| batch.remove(toArray(12)); |
| batch.remove(toArray(13)); |
| batch.flush(); |
| assertEquals(null, db.get(toArray(11))); |
| assertEquals(null, db.get(toArray(12))); |
| assertEquals(null, db.get(toArray(13))); |
| assertEquals(14L, fromArray(db.get(toArray(14)))); |
| batch.close(); |
| |
| db.close(); |
| tmpDir.delete(); |
| } |
| } |