hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestObservedExceptionsInBatch.java

   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.HBaseClassTestRule;
  24 import org.apache.hadoop.hbase.regionserver.HRegion.ObservedExceptionsInBatch;
  25 import org.apache.hadoop.hbase.testclassification.SmallTests;
  26 import org.junit.Before;
  27 import org.junit.ClassRule;
  28 import org.junit.Test;
  29 import org.junit.experimental.categories.Category;
  30
  31 /**
  32  * Test class for {@link ObservedExceptionsInBatch}.
  33  */
  34 @Category(SmallTests.class)
  35 public class TestObservedExceptionsInBatch {
  36
  37   @ClassRule
  38   public static final HBaseClassTestRule CLASS_RULE =
  39       HBaseClassTestRule.forClass(TestObservedExceptionsInBatch.class);
  40
  41   private ObservedExceptionsInBatch observedExceptions;
  42
  43   @Before
  44   public void setup() {
  45     observedExceptions = new ObservedExceptionsInBatch();
  46   }
  47
  48   @Test
  49   public void testNoObservationsOnCreation() {
  50     assertFalse(observedExceptions.hasSeenFailedSanityCheck());
  51     assertFalse(observedExceptions.hasSeenNoSuchFamily());
  52     assertFalse(observedExceptions.hasSeenWrongRegion());
  53   }
  54
  55   @Test
  56   public void testObservedAfterRecording() {
  57     observedExceptions.sawFailedSanityCheck();
  58     assertTrue(observedExceptions.hasSeenFailedSanityCheck());
  59     observedExceptions.sawNoSuchFamily();
  60     assertTrue(observedExceptions.hasSeenNoSuchFamily());
  61     observedExceptions.sawWrongRegion();
  62     assertTrue(observedExceptions.hasSeenWrongRegion());
  63   }
  64 }