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.master;
019
020import org.apache.hadoop.hbase.HBaseClassTestRule;
021import org.apache.hadoop.hbase.HBaseTestingUtility;
022import org.apache.hadoop.hbase.HConstants;
023import org.apache.hadoop.hbase.MetaTableAccessor;
024import org.apache.hadoop.hbase.TableName;
025import org.apache.hadoop.hbase.client.TableState;
026import org.apache.hadoop.hbase.testclassification.LargeTests;
027import org.apache.hadoop.hbase.testclassification.MasterTests;
028import org.apache.hadoop.hbase.util.JVMClusterUtil;
029import org.apache.hadoop.hbase.util.Threads;
030import org.junit.After;
031import org.junit.Assert;
032import org.junit.Before;
033import org.junit.ClassRule;
034import org.junit.Rule;
035import org.junit.Test;
036import org.junit.experimental.categories.Category;
037import org.junit.rules.TestName;
038
039
040import static junit.framework.TestCase.assertTrue;
041
042/**
043 * Tests the default table lock manager
044 */
045@Category({ MasterTests.class, LargeTests.class })
046public class TestTableStateManager {
047
048  @ClassRule
049  public static final HBaseClassTestRule CLASS_RULE =
050      HBaseClassTestRule.forClass(TestTableStateManager.class);
051
052  private final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
053
054  @Rule
055  public TestName name = new TestName();
056
057  @Before
058  public void before() throws Exception {
059    TEST_UTIL.startMiniCluster();
060  }
061
062  @After
063  public void after() throws Exception {
064    TEST_UTIL.shutdownMiniCluster();
065  }
066
067  @Test
068  public void testMigration() throws Exception {
069    final TableName tableName = TableName.valueOf(name.getMethodName());
070    TEST_UTIL.createTable(tableName, HConstants.CATALOG_FAMILY_STR);
071    TEST_UTIL.getAdmin().disableTable(tableName);
072    // Table is disabled. Now remove the DISABLED column from the hbase:meta for this table's
073    // region. We want to see if Master will read the DISABLED from zk and make use of it as
074    // though it were reading the zk table state written by a hbase-1.x cluster.
075    TableState state = MetaTableAccessor.getTableState(TEST_UTIL.getConnection(), tableName);
076    assertTrue("State=" + state, state.getState().equals(TableState.State.DISABLED));
077    MetaTableAccessor.deleteTableState(TEST_UTIL.getConnection(), tableName);
078    assertTrue(MetaTableAccessor.getTableState(TEST_UTIL.getConnection(), tableName) == null);
079    // Now kill Master so a new one can come up and run through the zk migration.
080    HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
081    master.stop("Restarting");
082    while (!master.isStopped()) {
083      Threads.sleep(1);
084    }
085    assertTrue(master.isStopped());
086    JVMClusterUtil.MasterThread newMasterThread = TEST_UTIL.getMiniHBaseCluster().startMaster();
087    master = newMasterThread.getMaster();
088    while (!master.isInitialized()) {
089      Threads.sleep(1);
090    }
091    assertTrue(MetaTableAccessor.getTableState(TEST_UTIL.getConnection(),
092        tableName).getState().equals(TableState.State.DISABLED));
093  }
094}