| /** |
| * 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.hadoop.contrib.bkjournal; |
| |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| |
| import org.apache.bookkeeper.client.BookKeeper; |
| import org.apache.bookkeeper.client.LedgerHandle; |
| import org.apache.bookkeeper.conf.ClientConfiguration; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants; |
| import org.apache.zookeeper.ZooKeeper; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| /** |
| * Unit test for the bkjm's streams |
| */ |
| public class TestBookKeeperEditLogStreams { |
| static final Log LOG = LogFactory.getLog(TestBookKeeperEditLogStreams.class); |
| |
| private static BKJMUtil bkutil; |
| private final static int numBookies = 3; |
| |
| @BeforeClass |
| public static void setupBookkeeper() throws Exception { |
| bkutil = new BKJMUtil(numBookies); |
| bkutil.start(); |
| } |
| |
| @AfterClass |
| public static void teardownBookkeeper() throws Exception { |
| bkutil.teardown(); |
| } |
| |
| /** |
| * Test that bkjm will refuse open a stream on an empty |
| * ledger. |
| */ |
| @Test |
| public void testEmptyInputStream() throws Exception { |
| ZooKeeper zk = BKJMUtil.connectZooKeeper(); |
| |
| BookKeeper bkc = new BookKeeper(new ClientConfiguration(), zk); |
| try { |
| LedgerHandle lh = bkc.createLedger(BookKeeper.DigestType.CRC32, "foobar" |
| .getBytes()); |
| lh.close(); |
| |
| EditLogLedgerMetadata metadata = new EditLogLedgerMetadata("/foobar", |
| HdfsServerConstants.NAMENODE_LAYOUT_VERSION, lh.getId(), 0x1234); |
| try { |
| new BookKeeperEditLogInputStream(lh, metadata, -1); |
| fail("Shouldn't get this far, should have thrown"); |
| } catch (IOException ioe) { |
| assertTrue(ioe.getMessage().contains("Invalid first bk entry to read")); |
| } |
| |
| metadata = new EditLogLedgerMetadata("/foobar", |
| HdfsServerConstants.NAMENODE_LAYOUT_VERSION, lh.getId(), 0x1234); |
| try { |
| new BookKeeperEditLogInputStream(lh, metadata, 0); |
| fail("Shouldn't get this far, should have thrown"); |
| } catch (IOException ioe) { |
| assertTrue(ioe.getMessage().contains("Invalid first bk entry to read")); |
| } |
| } finally { |
| bkc.close(); |
| zk.close(); |
| } |
| } |
| } |