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19 package org.apache.hadoop.hbase.regionserver;
20
21 import java.util.Map;
22
23 import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
24 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
25 import org.apache.hadoop.hbase.testclassification.SmallTests;
26 import org.apache.hadoop.hbase.testclassification.MetricsTests;
27 import org.junit.Test;
28 import org.junit.experimental.categories.Category;
29
30 import static org.junit.Assert.assertEquals;
31 import static org.junit.Assert.assertTrue;
32
33 @Category({MetricsTests.class, SmallTests.class})
34 public class TestMetricsRegionSourceImpl {
35
36 @Test
37 public void testCompareTo() throws Exception {
38 MetricsRegionServerSourceFactory fact = CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class);
39
40 MetricsRegionSource one = fact.createRegion(new RegionWrapperStub("TEST"));
41 MetricsRegionSource oneClone = fact.createRegion(new RegionWrapperStub("TEST"));
42 MetricsRegionSource two = fact.createRegion(new RegionWrapperStub("TWO"));
43
44 assertEquals(0, one.compareTo(oneClone));
45
46 assertTrue( one.compareTo(two) < 0);
47 assertTrue( two.compareTo(one) > 0);
48 }
49
50
51 @Test(expected = RuntimeException.class)
52 public void testNoGetRegionServerMetricsSourceImpl() throws Exception {
53
54
55 CompatibilitySingletonFactory.getInstance(MetricsRegionSource.class);
56 }
57
58 static class RegionWrapperStub implements MetricsRegionWrapper {
59
60 private String regionName;
61
62 public RegionWrapperStub(String regionName) {
63
64
65 this.regionName = regionName;
66 }
67
68 @Override
69 public String getTableName() {
70 return null;
71 }
72
73 @Override
74 public String getNamespace() {
75 return null;
76 }
77
78 @Override
79 public String getRegionName() {
80 return this.regionName;
81 }
82
83 @Override
84 public long getNumStores() {
85 return 0;
86 }
87
88 @Override
89 public long getNumStoreFiles() {
90 return 0;
91 }
92
93 @Override
94 public long getMemstoreSize() {
95 return 0;
96 }
97
98 @Override
99 public long getStoreFileSize() {
100 return 0;
101 }
102
103 @Override
104 public long getMaxStoreFileAge() {
105 return 0;
106 }
107
108 @Override
109 public long getMinStoreFileAge() {
110 return 0;
111 }
112
113 @Override
114 public long getAvgStoreFileAge() {
115 return 0;
116 }
117
118 @Override
119 public long getNumReferenceFiles() {
120 return 0;
121 }
122
123 @Override
124 public long getReadRequestCount() {
125 return 0;
126 }
127
128 @Override
129 public long getWriteRequestCount() {
130 return 0;
131 }
132
133 @Override
134 public long getNumFilesCompacted() {
135 return 0;
136 }
137
138 @Override
139 public long getNumBytesCompacted() {
140 return 0;
141 }
142
143 @Override
144 public long getNumCompactionsCompleted() {
145 return 0;
146 }
147 @Override
148 public Map<String, DescriptiveStatistics> getCoprocessorExecutionStatistics() {
149 return null;
150 }
151 }
152 }