| /** |
| * 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.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.UnresolvedLinkException; |
| import org.apache.hadoop.hdfs.HdfsConfiguration; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols; |
| import org.apache.hadoop.security.AccessControlException; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestNameNodeRpcServerMethods { |
| private static NamenodeProtocols nnRpc; |
| private static Configuration conf; |
| private static MiniDFSCluster cluster; |
| |
| /** Start a cluster */ |
| @Before |
| public void setup() throws Exception { |
| conf = new HdfsConfiguration(); |
| cluster = new MiniDFSCluster.Builder(conf).build(); |
| cluster.waitActive(); |
| nnRpc = cluster.getNameNode().getRpcServer(); |
| } |
| |
| /** |
| * Cleanup after the test |
| * |
| * @throws IOException |
| * @throws UnresolvedLinkException |
| * @throws SafeModeException |
| * @throws AccessControlException |
| */ |
| @After |
| public void cleanup() throws IOException { |
| if (cluster != null) { |
| cluster.shutdown(); |
| cluster = null; |
| } |
| } |
| |
| @Test |
| public void testDeleteSnapshotWhenSnapshotNameIsEmpty() throws Exception { |
| String dir = "/testNamenodeRetryCache/testDelete"; |
| try { |
| nnRpc.deleteSnapshot(dir, null); |
| Assert.fail("testdeleteSnapshot is not thrown expected exception "); |
| } catch (IOException e) { |
| // expected |
| GenericTestUtils.assertExceptionContains( |
| "The snapshot name is null or empty.", e); |
| } |
| try { |
| nnRpc.deleteSnapshot(dir, ""); |
| Assert.fail("testdeleteSnapshot is not thrown expected exception"); |
| } catch (IOException e) { |
| // expected |
| GenericTestUtils.assertExceptionContains( |
| "The snapshot name is null or empty.", e); |
| } |
| |
| } |
| |
| } |