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 static org.junit.Assert.assertEquals;
021
022import java.io.IOException;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.HBaseTestingUtility;
025import org.apache.hadoop.hbase.security.UserProvider;
026import org.apache.hadoop.hbase.testclassification.MediumTests;
027import org.apache.hadoop.hbase.testclassification.MiscTests;
028import org.junit.AfterClass;
029import org.junit.BeforeClass;
030import org.junit.ClassRule;
031import org.junit.Test;
032import org.junit.experimental.categories.Category;
033
034@Category({ MiscTests.class, MediumTests.class })
035public class TestConnectionCache {
036
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039    HBaseClassTestRule.forClass(TestConnectionCache.class);
040
041  private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
042
043  @BeforeClass
044  public static void setUp() throws Exception {
045    UTIL.startMiniCluster();
046  }
047
048  @AfterClass
049  public static void tearDown() throws IOException {
050    UTIL.shutdownMiniCluster();
051  }
052
053  /**
054   * test for ConnectionCache cleaning expired Connection
055   */
056  @Test
057  public void testConnectionChore() throws Exception {
058    // 1s for clean interval & 5s for maxIdleTime
059    ConnectionCache cache = new ConnectionCache(UTIL.getConfiguration(),
060      UserProvider.instantiate(UTIL.getConfiguration()), 1000, 5000);
061    ConnectionCache.ConnectionInfo info = cache.getCurrentConnection();
062
063    assertEquals(false, info.connection.isClosed());
064
065    Thread.sleep(7000);
066
067    assertEquals(true, info.connection.isClosed());
068  }
069}