001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import static org.junit.Assert.assertEquals;
021
022import java.util.List;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.HBaseTestingUtil;
025import org.apache.hadoop.hbase.TableName;
026import org.apache.hadoop.hbase.testclassification.MediumTests;
027import org.apache.hadoop.hbase.testclassification.MiscTests;
028import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
029import org.junit.BeforeClass;
030import org.junit.ClassRule;
031import org.junit.Test;
032import org.junit.experimental.categories.Category;
033
034@Category({ MiscTests.class, MediumTests.class })
035public class TestCleanupMetaReplica extends MetaWithReplicasTestBase {
036
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039    HBaseClassTestRule.forClass(TestCleanupMetaReplica.class);
040
041  @BeforeClass
042  public static void setUp() throws Exception {
043    startCluster();
044  }
045
046  @Test
047  public void testReplicaCleanup() throws Exception {
048    ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
049    List<String> metaReplicaZnodes = zkw.getMetaReplicaNodes();
050    assertEquals(3, metaReplicaZnodes.size());
051    HBaseTestingUtil.setReplicas(TEST_UTIL.getAdmin(), TableName.META_TABLE_NAME, 1);
052    metaReplicaZnodes = zkw.getMetaReplicaNodes();
053    assertEquals(1, metaReplicaZnodes.size());
054  }
055}