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19 package org.apache.hadoop.hbase.regionserver;
20
21 import static org.junit.Assert.assertEquals;
22 import static org.junit.Assert.assertNotEquals;
23 import static org.junit.Assert.assertTrue;
24
25 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
26 import org.apache.hadoop.hbase.testclassification.SmallTests;
27 import org.junit.Test;
28 import org.junit.experimental.categories.Category;
29
30 @Category({SmallTests.class})
31 public class TestMetricsUserSourceImpl {
32
33 @Test
34 public void testCompareToHashCodeEquals() throws Exception {
35 MetricsRegionServerSourceFactory fact
36 = CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class);
37
38 MetricsUserSource one = fact.createUser("ONE");
39 MetricsUserSource oneClone = fact.createUser("ONE");
40 MetricsUserSource two = fact.createUser("TWO");
41
42 assertEquals(0, one.compareTo(oneClone));
43 assertEquals(one.hashCode(), oneClone.hashCode());
44 assertNotEquals(one, two);
45
46 assertTrue( one.compareTo(two) != 0);
47 assertTrue( two.compareTo(one) != 0);
48 assertTrue( two.compareTo(one) != one.compareTo(two));
49 assertTrue( two.compareTo(two) == 0);
50 }
51
52
53 @Test (expected = RuntimeException.class)
54 public void testNoGetRegionServerMetricsSourceImpl() throws Exception {
55
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57 CompatibilitySingletonFactory.getInstance(MetricsUserSource.class);
58 }
59
60 @Test
61 public void testGetUser() {
62 MetricsRegionServerSourceFactory fact
63 = CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class);
64
65 MetricsUserSource one = fact.createUser("ONE");
66 assertEquals("ONE", one.getUser());
67 }
68
69 }