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.apache.hadoop.hbase.client.RegionReplicaTestHelper.testLocator;
021
022import org.apache.commons.io.IOUtils;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.HBaseTestingUtility;
025import org.apache.hadoop.hbase.HRegionLocation;
026import org.apache.hadoop.hbase.RegionLocations;
027import org.apache.hadoop.hbase.TableName;
028import org.apache.hadoop.hbase.client.RegionReplicaTestHelper.Locator;
029import org.apache.hadoop.hbase.testclassification.ClientTests;
030import org.apache.hadoop.hbase.testclassification.MediumTests;
031import org.junit.AfterClass;
032import org.junit.BeforeClass;
033import org.junit.ClassRule;
034import org.junit.Test;
035import org.junit.experimental.categories.Category;
036
037@Category({ MediumTests.class, ClientTests.class })
038public class TestAsyncMetaRegionLocator {
039
040  @ClassRule
041  public static final HBaseClassTestRule CLASS_RULE =
042    HBaseClassTestRule.forClass(TestAsyncMetaRegionLocator.class);
043
044  private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
045
046  private static ConnectionRegistry REGISTRY;
047
048  private static AsyncMetaRegionLocator LOCATOR;
049
050  @BeforeClass
051  public static void setUp() throws Exception {
052    TEST_UTIL.startMiniCluster(3);
053    HBaseTestingUtility.setReplicas(TEST_UTIL.getAdmin(), TableName.META_TABLE_NAME, 3);
054    TEST_UTIL.waitUntilNoRegionsInTransition();
055    REGISTRY = ConnectionRegistryFactory.getRegistry(TEST_UTIL.getConfiguration());
056    RegionReplicaTestHelper.waitUntilAllMetaReplicasAreReady(TEST_UTIL, REGISTRY);
057    TEST_UTIL.getAdmin().balancerSwitch(false, true);
058    LOCATOR = new AsyncMetaRegionLocator(REGISTRY);
059  }
060
061  @AfterClass
062  public static void tearDown() throws Exception {
063    IOUtils.closeQuietly(REGISTRY);
064    TEST_UTIL.shutdownMiniCluster();
065  }
066
067  @Test
068  public void test() throws Exception {
069    testLocator(TEST_UTIL, TableName.META_TABLE_NAME, new Locator() {
070
071      @Override
072      public void updateCachedLocationOnError(HRegionLocation loc, Throwable error)
073          throws Exception {
074        LOCATOR.updateCachedLocationOnError(loc, error);
075      }
076
077      @Override
078      public RegionLocations getRegionLocations(TableName tableName, int replicaId, boolean reload)
079          throws Exception {
080        return LOCATOR.getRegionLocations(replicaId, reload).get();
081      }
082    });
083  }
084}