hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestCleanupMetaReplica.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import static org.junit.Assert.assertEquals;
  21
  22 import java.util.List;
  23 import org.apache.hadoop.hbase.HBaseClassTestRule;
  24 import org.apache.hadoop.hbase.HBaseTestingUtil;
  25 import org.apache.hadoop.hbase.TableName;
  26 import org.apache.hadoop.hbase.testclassification.MediumTests;
  27 import org.apache.hadoop.hbase.testclassification.MiscTests;
  28 import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
  29 import org.junit.BeforeClass;
  30 import org.junit.ClassRule;
  31 import org.junit.Test;
  32 import org.junit.experimental.categories.Category;
  33
  34 @Category({ MiscTests.class, MediumTests.class })
  35 public class TestCleanupMetaReplica extends MetaWithReplicasTestBase {
  36
  37   @ClassRule
  38   public static final HBaseClassTestRule CLASS_RULE =
  39     HBaseClassTestRule.forClass(TestCleanupMetaReplica.class);
  40
  41   @BeforeClass
  42   public static void setUp() throws Exception {
  43     startCluster();
  44   }
  45
  46   @Test
  47   public void testReplicaCleanup() throws Exception {
  48     ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
  49     List<String> metaReplicaZnodes = zkw.getMetaReplicaNodes();
  50     assertEquals(3, metaReplicaZnodes.size());
  51     HBaseTestingUtil.setReplicas(TEST_UTIL.getAdmin(), TableName.META_TABLE_NAME, 1);
  52     metaReplicaZnodes = zkw.getMetaReplicaNodes();
  53     assertEquals(1, metaReplicaZnodes.size());
  54   }
  55 }