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.replication.master;
019
020import static org.junit.Assert.assertFalse;
021import static org.junit.Assert.assertThrows;
022import static org.junit.Assert.assertTrue;
023
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.testclassification.MasterTests;
026import org.apache.hadoop.hbase.testclassification.SmallTests;
027import org.junit.ClassRule;
028import org.junit.Test;
029import org.junit.experimental.categories.Category;
030
031@Category({ MasterTests.class, SmallTests.class })
032public class TestLogCleanerBarrier {
033
034  @ClassRule
035  public static final HBaseClassTestRule CLASS_RULE =
036    HBaseClassTestRule.forClass(TestLogCleanerBarrier.class);
037
038  @Test
039  public void test() {
040    ReplicationLogCleanerBarrier barrier = new ReplicationLogCleanerBarrier();
041    assertThrows(IllegalStateException.class, () -> barrier.stop());
042    assertThrows(IllegalStateException.class, () -> barrier.enable());
043    assertTrue(barrier.start());
044    assertThrows(IllegalStateException.class, () -> barrier.start());
045    assertThrows(IllegalStateException.class, () -> barrier.enable());
046    assertFalse(barrier.disable());
047    assertThrows(IllegalStateException.class, () -> barrier.enable());
048    barrier.stop();
049
050    for (int i = 0; i < 3; i++) {
051      assertTrue(barrier.disable());
052      assertFalse(barrier.start());
053    }
054    for (int i = 0; i < 3; i++) {
055      assertFalse(barrier.start());
056      barrier.enable();
057    }
058    assertTrue(barrier.start());
059  }
060}