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.util;
019
020import junit.framework.TestCase;
021import org.apache.hadoop.hbase.HBaseClassTestRule;
022import org.apache.hadoop.hbase.HBaseTestingUtil;
023import org.apache.hadoop.hbase.security.UserProvider;
024import org.apache.hadoop.hbase.testclassification.MediumTests;
025import org.apache.hadoop.hbase.testclassification.MiscTests;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029
030@Category({MiscTests.class, MediumTests.class})
031public class TestConnectionCache extends TestCase {
032
033  @ClassRule
034  public static final HBaseClassTestRule CLASS_RULE =
035      HBaseClassTestRule.forClass(TestConnectionCache.class);
036
037  private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
038
039  /**
040   * test for ConnectionCache cleaning expired Connection
041   */
042  @Test
043  public void testConnectionChore() throws Exception {
044    UTIL.startMiniCluster();
045
046    //1s for clean interval & 5s for maxIdleTime
047    ConnectionCache cache = new ConnectionCache(UTIL.getConfiguration(),
048        UserProvider.instantiate(UTIL.getConfiguration()), 1000, 5000);
049    ConnectionCache.ConnectionInfo info = cache.getCurrentConnection();
050
051    assertEquals(false, info.connection.isClosed());
052
053    Thread.sleep(7000);
054
055    assertEquals(true, info.connection.isClosed());
056    UTIL.shutdownMiniCluster();
057  }
058
059}
060