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18 package org.apache.hadoop.hbase;
19
20 import static org.junit.Assert.assertEquals;
21 import static org.junit.Assert.assertTrue;
22
23 import org.apache.hadoop.hbase.exceptions.DeserializationException;
24 import org.apache.hadoop.hbase.io.compress.Compression;
25 import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;
26 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
27 import org.apache.hadoop.hbase.regionserver.BloomType;
28 import org.apache.hadoop.hbase.testclassification.SmallTests;
29 import org.apache.hadoop.hbase.util.BuilderStyleTest;
30 import org.junit.experimental.categories.Category;
31 import org.junit.Test;
32
33
34 @Category(SmallTests.class)
35 public class TestHColumnDescriptor {
36 @Test
37 public void testPb() throws DeserializationException {
38 HColumnDescriptor hcd = new HColumnDescriptor(
39 HTableDescriptor.META_TABLEDESC.getColumnFamilies()[0]);
40 final int v = 123;
41 hcd.setBlocksize(v);
42 hcd.setTimeToLive(v);
43 hcd.setBlockCacheEnabled(!HColumnDescriptor.DEFAULT_BLOCKCACHE);
44 hcd.setValue("a", "b");
45 hcd.setMaxVersions(v);
46 assertEquals(v, hcd.getMaxVersions());
47 hcd.setMinVersions(v);
48 assertEquals(v, hcd.getMinVersions());
49 hcd.setKeepDeletedCells(KeepDeletedCells.TRUE);
50 hcd.setInMemory(!HColumnDescriptor.DEFAULT_IN_MEMORY);
51 boolean inmemory = hcd.isInMemory();
52 hcd.setScope(v);
53 hcd.setDataBlockEncoding(DataBlockEncoding.FAST_DIFF);
54 hcd.setBloomFilterType(BloomType.ROW);
55 hcd.setCompressionType(Algorithm.SNAPPY);
56 hcd.setDFSReplication((short) v);
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58 byte [] bytes = hcd.toByteArray();
59 HColumnDescriptor deserializedHcd = HColumnDescriptor.parseFrom(bytes);
60 assertTrue(hcd.equals(deserializedHcd));
61 assertEquals(v, hcd.getBlocksize());
62 assertEquals(v, hcd.getTimeToLive());
63 assertEquals(hcd.getValue("a"), deserializedHcd.getValue("a"));
64 assertEquals(hcd.getMaxVersions(), deserializedHcd.getMaxVersions());
65 assertEquals(hcd.getMinVersions(), deserializedHcd.getMinVersions());
66 assertEquals(hcd.getKeepDeletedCells(), deserializedHcd.getKeepDeletedCells());
67 assertEquals(inmemory, deserializedHcd.isInMemory());
68 assertEquals(hcd.getScope(), deserializedHcd.getScope());
69 assertTrue(deserializedHcd.getCompressionType().equals(Compression.Algorithm.SNAPPY));
70 assertTrue(deserializedHcd.getDataBlockEncoding().equals(DataBlockEncoding.FAST_DIFF));
71 assertTrue(deserializedHcd.getBloomFilterType().equals(BloomType.ROW));
72 assertEquals(v, deserializedHcd.getDFSReplication());
73 }
74
75 @Test
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77 public void testHColumnDescriptorShouldThrowIAEWhenFamiliyNameEmpty()
78 throws Exception {
79 try {
80 new HColumnDescriptor("".getBytes());
81 } catch (IllegalArgumentException e) {
82 assertEquals("Family name can not be empty", e.getLocalizedMessage());
83 }
84 }
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89 @Test
90 public void testAddGetRemoveConfiguration() throws Exception {
91 HColumnDescriptor desc = new HColumnDescriptor("foo");
92 String key = "Some";
93 String value = "value";
94 desc.setConfiguration(key, value);
95 assertEquals(value, desc.getConfigurationValue(key));
96 desc.removeConfiguration(key);
97 assertEquals(null, desc.getConfigurationValue(key));
98 }
99
100 @Test
101 public void testClassMethodsAreBuilderStyle() {
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114 BuilderStyleTest.assertClassesAreBuilderStyle(HColumnDescriptor.class);
115 }
116 }