/** * 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.ha; import java.io.IOException; import java.io.PrintStream; import org.apache.hadoop.hdfs.HdfsConfiguration; import org.apache.hadoop.hdfs.MiniDFSCluster; import org.apache.hadoop.hdfs.MiniDFSNNTopology; import org.apache.hadoop.hdfs.tools.GetGroups; import org.apache.hadoop.tools.GetGroupsTestBase; import org.apache.hadoop.util.Tool; import org.junit.After; import org.junit.Before; public class TestGetGroupsWithHA extends GetGroupsTestBase { private MiniDFSCluster cluster; @Before public void setUpNameNode() throws IOException { conf = new HdfsConfiguration(); cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0).build(); HATestUtil.setFailoverConfigurations(cluster, conf); } @After public void tearDownNameNode() { if (cluster != null) { cluster.shutdown(); } } @Override protected Tool getTool(PrintStream o) { return new GetGroups(conf, o); } }