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.regionserver;
019
020import static org.junit.Assert.assertFalse;
021import static org.junit.Assert.assertTrue;
022
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.regionserver.HRegion.ObservedExceptionsInBatch;
025import org.apache.hadoop.hbase.testclassification.SmallTests;
026import org.junit.Before;
027import org.junit.ClassRule;
028import org.junit.Test;
029import org.junit.experimental.categories.Category;
030
031/**
032 * Test class for {@link ObservedExceptionsInBatch}.
033 */
034@Category(SmallTests.class)
035public class TestObservedExceptionsInBatch {
036
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039    HBaseClassTestRule.forClass(TestObservedExceptionsInBatch.class);
040
041  private ObservedExceptionsInBatch observedExceptions;
042
043  @Before
044  public void setup() {
045    observedExceptions = new ObservedExceptionsInBatch();
046  }
047
048  @Test
049  public void testNoObservationsOnCreation() {
050    assertFalse(observedExceptions.hasSeenFailedSanityCheck());
051    assertFalse(observedExceptions.hasSeenNoSuchFamily());
052    assertFalse(observedExceptions.hasSeenWrongRegion());
053  }
054
055  @Test
056  public void testObservedAfterRecording() {
057    observedExceptions.sawFailedSanityCheck();
058    assertTrue(observedExceptions.hasSeenFailedSanityCheck());
059    observedExceptions.sawNoSuchFamily();
060    assertTrue(observedExceptions.hasSeenNoSuchFamily());
061    observedExceptions.sawWrongRegion();
062    assertTrue(observedExceptions.hasSeenWrongRegion());
063  }
064}