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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.junit.experimental.categories.Category;
29
30 import org.junit.Test;
31
32
33 @Category(SmallTests.class)
34 public class TestHColumnDescriptor {
35 @Test
36 public void testPb() throws DeserializationException {
37 HColumnDescriptor hcd = new HColumnDescriptor(
38 HTableDescriptor.META_TABLEDESC.getColumnFamilies()[0]);
39 final int v = 123;
40 hcd.setBlocksize(v);
41 hcd.setTimeToLive(v);
42 hcd.setBlockCacheEnabled(!HColumnDescriptor.DEFAULT_BLOCKCACHE);
43 hcd.setValue("a", "b");
44 hcd.setMaxVersions(v);
45 assertEquals(v, hcd.getMaxVersions());
46 hcd.setMinVersions(v);
47 assertEquals(v, hcd.getMinVersions());
48 hcd.setKeepDeletedCells(!HColumnDescriptor.DEFAULT_KEEP_DELETED);
49 hcd.setInMemory(!HColumnDescriptor.DEFAULT_IN_MEMORY);
50 boolean inmemory = hcd.isInMemory();
51 hcd.setScope(v);
52 hcd.setDataBlockEncoding(DataBlockEncoding.FAST_DIFF);
53 hcd.setBloomFilterType(BloomType.ROW);
54 hcd.setCompressionType(Algorithm.SNAPPY);
55
56
57 byte [] bytes = hcd.toByteArray();
58 HColumnDescriptor deserializedHcd = HColumnDescriptor.parseFrom(bytes);
59 assertTrue(hcd.equals(deserializedHcd));
60 assertEquals(v, hcd.getBlocksize());
61 assertEquals(v, hcd.getTimeToLive());
62 assertEquals(hcd.getValue("a"), deserializedHcd.getValue("a"));
63 assertEquals(hcd.getMaxVersions(), deserializedHcd.getMaxVersions());
64 assertEquals(hcd.getMinVersions(), deserializedHcd.getMinVersions());
65 assertEquals(hcd.getKeepDeletedCells(), deserializedHcd.getKeepDeletedCells());
66 assertEquals(inmemory, deserializedHcd.isInMemory());
67 assertEquals(hcd.getScope(), deserializedHcd.getScope());
68 assertTrue(deserializedHcd.getCompressionType().equals(Compression.Algorithm.SNAPPY));
69 assertTrue(deserializedHcd.getDataBlockEncoding().equals(DataBlockEncoding.FAST_DIFF));
70 assertTrue(deserializedHcd.getBloomFilterType().equals(BloomType.ROW));
71 }
72
73 @Test
74
75 public void testHColumnDescriptorShouldThrowIAEWhenFamiliyNameEmpty()
76 throws Exception {
77 try {
78 new HColumnDescriptor("".getBytes());
79 } catch (IllegalArgumentException e) {
80 assertEquals("Family name can not be empty", e.getLocalizedMessage());
81 }
82 }
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86
87 @Test
88 public void testAddGetRemoveConfiguration() throws Exception {
89 HColumnDescriptor desc = new HColumnDescriptor("foo");
90 String key = "Some";
91 String value = "value";
92 desc.setConfiguration(key, value);
93 assertEquals(value, desc.getConfigurationValue(key));
94 desc.removeConfiguration(key);
95 assertEquals(null, desc.getConfigurationValue(key));
96 }
97 }