| /** |
| * 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.server.namenode; |
| |
| import java.util.Map; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.DFSTestUtil; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Tests NameNode interaction for all XAttr APIs. |
| * This test suite covers restarting NN, saving new checkpoint, |
| * and also includes test of xattrs for symlinks. |
| */ |
| public class TestNameNodeXAttr extends FSXAttrBaseTest { |
| |
| private static final Path linkParent = new Path("/symdir1"); |
| private static final Path targetParent = new Path("/symdir2"); |
| private static final Path link = new Path(linkParent, "link"); |
| private static final Path target = new Path(targetParent, "target"); |
| |
| @Test(timeout = 120000) |
| public void testXAttrSymlinks() throws Exception { |
| fs.mkdirs(linkParent); |
| fs.mkdirs(targetParent); |
| DFSTestUtil.createFile(fs, target, 1024, (short)3, 0xBEEFl); |
| fs.createSymlink(target, link, false); |
| |
| fs.setXAttr(target, name1, value1); |
| fs.setXAttr(target, name2, value2); |
| |
| Map<String, byte[]> xattrs = fs.getXAttrs(link); |
| Assert.assertEquals(xattrs.size(), 2); |
| Assert.assertArrayEquals(value1, xattrs.get(name1)); |
| Assert.assertArrayEquals(value2, xattrs.get(name2)); |
| |
| fs.setXAttr(link, name3, null); |
| xattrs = fs.getXAttrs(target); |
| Assert.assertEquals(xattrs.size(), 3); |
| Assert.assertArrayEquals(value1, xattrs.get(name1)); |
| Assert.assertArrayEquals(value2, xattrs.get(name2)); |
| Assert.assertArrayEquals(new byte[0], xattrs.get(name3)); |
| |
| fs.removeXAttr(link, name1); |
| xattrs = fs.getXAttrs(target); |
| Assert.assertEquals(xattrs.size(), 2); |
| Assert.assertArrayEquals(value2, xattrs.get(name2)); |
| Assert.assertArrayEquals(new byte[0], xattrs.get(name3)); |
| |
| fs.removeXAttr(target, name3); |
| xattrs = fs.getXAttrs(link); |
| Assert.assertEquals(xattrs.size(), 1); |
| Assert.assertArrayEquals(value2, xattrs.get(name2)); |
| |
| fs.delete(linkParent, true); |
| fs.delete(targetParent, true); |
| } |
| } |