| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package org.apache.geode.internal.cache; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| |
| public class PartitionedRegionRedundancyTrackerTest { |
| private static final int TARGET_COPIES = 2; |
| private static final int TOTAL_BUCKETS = 3; |
| |
| private PartitionedRegionStats stats; |
| private PartitionedRegionRedundancyTracker redundancyTracker; |
| |
| @Before |
| public void setup() { |
| stats = mock(PartitionedRegionStats.class); |
| redundancyTracker = new PartitionedRegionRedundancyTracker(TOTAL_BUCKETS, TARGET_COPIES - 1, |
| stats, "testRegion"); |
| } |
| |
| @Test |
| public void incrementsAndDecrementsLowRedundancyBucketCount() { |
| redundancyTracker.incrementLowRedundancyBucketCount(); |
| verify(stats, times(1)).incLowRedundancyBucketCount(1); |
| redundancyTracker.decrementLowRedundancyBucketCount(); |
| verify(stats, times(1)).incLowRedundancyBucketCount(-1); |
| } |
| |
| @Test |
| public void willNotIncrementLowRedundancyBucketCountBeyondTotalsBuckets() { |
| |
| for (int i = 0; i < TOTAL_BUCKETS; i++) { |
| redundancyTracker.incrementLowRedundancyBucketCount(); |
| } |
| verify(stats, times(TOTAL_BUCKETS)).incLowRedundancyBucketCount(1); |
| redundancyTracker.incrementLowRedundancyBucketCount(); |
| verifyNoMoreInteractions(stats); |
| } |
| |
| @Test |
| public void willNotDecrementLowRedundancyBucketCountBelowZero() { |
| redundancyTracker.decrementLowRedundancyBucketCount(); |
| verifyNoMoreInteractions(stats); |
| } |
| |
| @Test |
| public void incrementsAndDecrementsNoCopiesBucketCount() { |
| redundancyTracker.incrementNoCopiesBucketCount(); |
| verify(stats, times(1)).incNoCopiesBucketCount(1); |
| redundancyTracker.decrementNoCopiesBucketCount(); |
| verify(stats, times(1)).incNoCopiesBucketCount(-1); |
| } |
| |
| @Test |
| public void willNotIncrementNoCopiesBucketCountBeyondTotalsBuckets() { |
| |
| for (int i = 0; i < TOTAL_BUCKETS; i++) { |
| redundancyTracker.incrementNoCopiesBucketCount(); |
| } |
| verify(stats, times(TOTAL_BUCKETS)).incNoCopiesBucketCount(1); |
| redundancyTracker.incrementNoCopiesBucketCount(); |
| verifyNoMoreInteractions(stats); |
| } |
| |
| @Test |
| public void willNotDecrementNoCopiesBucketCountBelowZero() { |
| redundancyTracker.decrementNoCopiesBucketCount(); |
| verify(stats, times(0)).incNoCopiesBucketCount(-1); |
| } |
| |
| @Test |
| public void reportsCorrectLowestBucketCopies() { |
| redundancyTracker.reportBucketCount(1); |
| assertEquals(1, redundancyTracker.getLowestBucketCopies()); |
| redundancyTracker.reportBucketCount(0); |
| assertEquals(0, redundancyTracker.getLowestBucketCopies()); |
| redundancyTracker.reportBucketCount(1); |
| assertEquals(0, redundancyTracker.getLowestBucketCopies()); |
| } |
| |
| @Test |
| public void lowestBucketCopiesResetsOnRedundancyRegained() { |
| redundancyTracker.incrementLowRedundancyBucketCount(); |
| redundancyTracker.reportBucketCount(1); |
| redundancyTracker.decrementLowRedundancyBucketCount(); |
| assertEquals(2, redundancyTracker.getLowestBucketCopies()); |
| } |
| |
| @Test |
| public void lowestBucketCopiesSetToOneOnHavingABucketAgain() { |
| redundancyTracker.incrementNoCopiesBucketCount(); |
| redundancyTracker.reportBucketCount(0); |
| redundancyTracker.decrementNoCopiesBucketCount(); |
| assertEquals(1, redundancyTracker.getLowestBucketCopies()); |
| } |
| |
| @Test |
| public void willSetActualRedundancyAndStoreStat() { |
| redundancyTracker.setActualRedundancy(7); |
| assertThat(redundancyTracker.getActualRedundancy()).isEqualTo(7); |
| verify(stats).setActualRedundantCopies(7); |
| } |
| |
| @Test |
| public void willNotSetActualRedundantCopiesStatBelowZero() { |
| redundancyTracker.setActualRedundancy(-1); |
| assertThat(redundancyTracker.getActualRedundancy()).isEqualTo(0); |
| verify(stats).setActualRedundantCopies(0); |
| } |
| } |