| /** |
| * 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.tools.util; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.tools.DistCp; |
| import org.apache.hadoop.util.ToolRunner; |
| |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Utility class for DistCpTests |
| */ |
| public class DistCpTestUtils { |
| |
| /** |
| * Asserts the XAttrs returned by getXAttrs for a specific path match an |
| * expected set of XAttrs. |
| * |
| * @param path String path to check |
| * @param fs FileSystem to use for the path |
| * @param expectedXAttrs XAttr[] expected xAttrs |
| * @throws Exception if there is any error |
| */ |
| public static void assertXAttrs(Path path, FileSystem fs, |
| Map<String, byte[]> expectedXAttrs) |
| throws Exception { |
| Map<String, byte[]> xAttrs = fs.getXAttrs(path); |
| assertEquals(path.toString(), expectedXAttrs.size(), xAttrs.size()); |
| Iterator<Entry<String, byte[]>> i = expectedXAttrs.entrySet().iterator(); |
| while (i.hasNext()) { |
| Entry<String, byte[]> e = i.next(); |
| String name = e.getKey(); |
| byte[] value = e.getValue(); |
| if (value == null) { |
| assertTrue(xAttrs.containsKey(name) && xAttrs.get(name) == null); |
| } else { |
| assertArrayEquals(value, xAttrs.get(name)); |
| } |
| } |
| } |
| |
| /** |
| * Runs distcp from src to dst, preserving XAttrs. Asserts the |
| * expected exit code. |
| * |
| * @param exitCode expected exit code |
| * @param src distcp src path |
| * @param dst distcp destination |
| * @param options distcp command line options |
| * @param conf Configuration to use |
| * @throws Exception if there is any error |
| */ |
| public static void assertRunDistCp(int exitCode, String src, String dst, |
| String options, Configuration conf) |
| throws Exception { |
| assertRunDistCp(exitCode, src, dst, |
| options == null ? new String[0] : options.trim().split(" "), conf); |
| } |
| |
| private static void assertRunDistCp(int exitCode, String src, String dst, |
| String[] options, Configuration conf) |
| throws Exception { |
| DistCp distCp = new DistCp(conf, null); |
| String[] optsArr = new String[options.length + 2]; |
| System.arraycopy(options, 0, optsArr, 0, options.length); |
| optsArr[optsArr.length - 2] = src; |
| optsArr[optsArr.length - 1] = dst; |
| |
| assertEquals(exitCode, |
| ToolRunner.run(conf, distCp, optsArr)); |
| } |
| } |