/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.client;
import static org.junit.Assert.fail;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.MasterNotRunningException;
import org.apache.hadoop.hbase.PleaseHoldException;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.CreateTableRequest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
import org.mortbay.log.Log;
import com.google.protobuf.RpcController;
import com.google.protobuf.ServiceException;
@Category({SmallTests.class, ClientTests.class})
public class TestHBaseAdminNoCluster {
/**
* Verify that PleaseHoldException gets retried.
* HBASE-8764
* @throws IOException
* @throws ZooKeeperConnectionException
* @throws MasterNotRunningException
* @throws ServiceException
*/
@Test
public void testMasterMonitorCollableRetries()
throws MasterNotRunningException, ZooKeeperConnectionException, IOException, ServiceException {
Configuration configuration = HBaseConfiguration.create();
// Set the pause and retry count way down.
configuration.setLong(HConstants.HBASE_CLIENT_PAUSE, 1);
final int count = 10;
configuration.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, count);
// Get mocked connection. Getting the connection will register it so when HBaseAdmin is
// constructed with same configuration, it will find this mocked connection.
HConnection connection = HConnectionTestingUtility.getMockedConnection(configuration);
// Mock so we get back the master interface. Make it so when createTable is called, we throw
// the PleaseHoldException.
MasterKeepAliveConnection masterAdmin =
Mockito.mock(MasterKeepAliveConnection.class);
Mockito.when(masterAdmin.createTable((RpcController)Mockito.any(),
(CreateTableRequest)Mockito.any())).
thenThrow(new ServiceException("Test fail").initCause(new PleaseHoldException("test")));
Mockito.when(connection.getKeepAliveMasterService()).thenReturn(masterAdmin);
// Mock up our admin Interfaces
Admin admin = new HBaseAdmin(configuration);
try {
HTableDescriptor htd =
new HTableDescriptor(TableName.valueOf("testMasterMonitorCollableRetries"));
// Pass any old htable descriptor; not important
try {
admin.createTable(htd, HBaseTestingUtility.KEYS_FOR_HBA_CREATE_TABLE);
fail();
} catch (RetriesExhaustedException e) {
Log.info("Expected fail", e);
}
// Assert we were called 'count' times.
Mockito.verify(masterAdmin, Mockito.atLeast(count)).createTable((RpcController)Mockito.any(),
(CreateTableRequest)Mockito.any());
} finally {
admin.close();
if (connection != null)HConnectionManager.deleteConnection(configuration);
}
}
}