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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.regionserver;
19  
20  import static org.junit.Assert.assertFalse;
21  import static org.junit.Assert.assertTrue;
22  
23  import org.apache.hadoop.hbase.regionserver.HRegion.ObservedExceptionsInBatch;
24  import org.apache.hadoop.hbase.testclassification.SmallTests;
25  import org.junit.Before;
26  import org.junit.Test;
27  import org.junit.experimental.categories.Category;
28  
29  /**
30   * Test class for {@link ObservedExceptionsInBatch}.
31   */
32  @Category(SmallTests.class)
33  public class TestObservedExceptionsInBatch {
34  
35    private ObservedExceptionsInBatch observedExceptions;
36  
37    @Before
38    public void setup() {
39      observedExceptions = new ObservedExceptionsInBatch();
40    }
41  
42    @Test
43    public void testNoObservationsOnCreation() {
44      assertFalse(observedExceptions.hasSeenFailedSanityCheck());
45      assertFalse(observedExceptions.hasSeenNoSuchFamily());
46      assertFalse(observedExceptions.hasSeenWrongRegion());
47    }
48  
49    @Test
50    public void testObservedAfterRecording() {
51      observedExceptions.sawFailedSanityCheck();
52      assertTrue(observedExceptions.hasSeenFailedSanityCheck());
53      observedExceptions.sawNoSuchFamily();
54      assertTrue(observedExceptions.hasSeenNoSuchFamily());
55      observedExceptions.sawWrongRegion();
56      assertTrue(observedExceptions.hasSeenWrongRegion());
57    }
58  }