| /** |
| * 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.hdfs; |
| |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.Timeout; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.initializeCluster; |
| import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.tearDownCluster; |
| |
| /** |
| * Test online recovery with files with deleted blocks. This test is |
| * parameterized. |
| */ |
| @RunWith(Parameterized.class) |
| public class TestReadStripedFileWithDecodingDeletedData { |
| static final Logger LOG = |
| LoggerFactory.getLogger(TestReadStripedFileWithDecodingDeletedData.class); |
| |
| private static MiniDFSCluster cluster; |
| private static DistributedFileSystem dfs; |
| |
| @Rule |
| public Timeout globalTimeout = new Timeout(300000); |
| |
| @BeforeClass |
| public static void setup() throws IOException { |
| cluster = initializeCluster(); |
| dfs = cluster.getFileSystem(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws IOException { |
| tearDownCluster(cluster); |
| } |
| |
| @Parameterized.Parameters |
| public static Collection<Object[]> getParameters() { |
| return ReadStripedFileWithDecodingHelper.getParameters(); |
| } |
| |
| private int fileLength; |
| private int dataDelNum; |
| private int parityDelNum; |
| |
| public TestReadStripedFileWithDecodingDeletedData(int fileLength, int |
| dataDelNum, int parityDelNum) { |
| this.fileLength = fileLength; |
| this.dataDelNum = dataDelNum; |
| this.parityDelNum = parityDelNum; |
| } |
| |
| /** |
| * Delete tolerable number of block before reading. |
| * Verify the decoding works correctly. |
| */ |
| @Test |
| public void testReadCorruptedDataByDeleting() throws IOException { |
| String src = "/deleted_" + dataDelNum + "_" + parityDelNum; |
| ReadStripedFileWithDecodingHelper.testReadWithBlockCorrupted(cluster, |
| dfs, src, fileLength, dataDelNum, parityDelNum, true); |
| } |
| } |