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.jupiter.api.Assertions.assertEquals;
021
022import java.util.List;
023import org.apache.hadoop.hbase.HBaseTestingUtil;
024import org.apache.hadoop.hbase.TableName;
025import org.apache.hadoop.hbase.testclassification.MediumTests;
026import org.apache.hadoop.hbase.testclassification.MiscTests;
027import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
028import org.junit.jupiter.api.BeforeAll;
029import org.junit.jupiter.api.Tag;
030import org.junit.jupiter.api.Test;
031
032@Tag(MiscTests.TAG)
033@Tag(MediumTests.TAG)
034public class TestCleanupMetaReplica extends MetaWithReplicasTestBase {
035
036  @BeforeAll
037  public static void setUp() throws Exception {
038    startCluster();
039  }
040
041  @Test
042  public void testReplicaCleanup() throws Exception {
043    ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
044    List<String> metaReplicaZnodes = zkw.getMetaReplicaNodes();
045    assertEquals(3, metaReplicaZnodes.size());
046    HBaseTestingUtil.setReplicas(TEST_UTIL.getAdmin(), TableName.META_TABLE_NAME, 1);
047    metaReplicaZnodes = zkw.getMetaReplicaNodes();
048    assertEquals(1, metaReplicaZnodes.size());
049  }
050}