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19 package org.apache.hadoop.hbase;
20
21
22 import static org.junit.Assert.assertEquals;
23 import static org.junit.Assert.assertNotNull;
24 import static org.junit.Assert.assertTrue;
25 import static org.junit.Assert.fail;
26
27 import java.io.ByteArrayInputStream;
28 import java.io.ByteArrayOutputStream;
29 import java.io.DataInputStream;
30 import java.io.DataOutputStream;
31 import java.io.IOException;
32 import java.util.List;
33 import java.util.Map;
34 import java.util.NavigableSet;
35 import java.util.Set;
36
37 import org.apache.hadoop.hbase.client.Get;
38 import org.apache.hadoop.hbase.client.Scan;
39 import org.apache.hadoop.hbase.exceptions.DeserializationException;
40 import org.apache.hadoop.hbase.filter.BinaryComparator;
41 import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;
42 import org.apache.hadoop.hbase.filter.Filter;
43 import org.apache.hadoop.hbase.filter.PrefixFilter;
44 import org.apache.hadoop.hbase.filter.RowFilter;
45 import org.apache.hadoop.hbase.io.TimeRange;
46 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
47 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;
48 import org.apache.hadoop.hbase.util.Bytes;
49 import org.apache.hadoop.hbase.util.Writables;
50 import org.apache.hadoop.io.DataInputBuffer;
51 import org.junit.Test;
52 import org.junit.experimental.categories.Category;
53
54
55
56
57 @Category(SmallTests.class)
58 public class TestSerialization {
59 @Test public void testKeyValue() throws Exception {
60 final String name = "testKeyValue2";
61 byte[] row = name.getBytes();
62 byte[] fam = "fam".getBytes();
63 byte[] qf = "qf".getBytes();
64 long ts = System.currentTimeMillis();
65 byte[] val = "val".getBytes();
66 KeyValue kv = new KeyValue(row, fam, qf, ts, val);
67 ByteArrayOutputStream baos = new ByteArrayOutputStream();
68 DataOutputStream dos = new DataOutputStream(baos);
69 long l = KeyValue.write(kv, dos);
70 dos.close();
71 byte [] mb = baos.toByteArray();
72 ByteArrayInputStream bais = new ByteArrayInputStream(mb);
73 DataInputStream dis = new DataInputStream(bais);
74 KeyValue deserializedKv = KeyValue.create(dis);
75 assertTrue(Bytes.equals(kv.getBuffer(), deserializedKv.getBuffer()));
76 assertEquals(kv.getOffset(), deserializedKv.getOffset());
77 assertEquals(kv.getLength(), deserializedKv.getLength());
78 }
79
80 @Test public void testCreateKeyValueInvalidNegativeLength() {
81
82 KeyValue kv_0 = new KeyValue(Bytes.toBytes("myRow"), Bytes.toBytes("myCF"),
83 Bytes.toBytes("myQualifier"), 12345L, Bytes.toBytes("my12345"));
84
85 KeyValue kv_1 = new KeyValue(Bytes.toBytes("myRow"), Bytes.toBytes("myCF"),
86 Bytes.toBytes("myQualifier"), 12345L, Bytes.toBytes("my123"));
87
88 ByteArrayOutputStream baos = new ByteArrayOutputStream();
89 DataOutputStream dos = new DataOutputStream(baos);
90
91 long l = 0;
92 try {
93 l = KeyValue.oswrite(kv_0, dos);
94 l += KeyValue.oswrite(kv_1, dos);
95 assertEquals(100L, l);
96 } catch (IOException e) {
97 fail("Unexpected IOException" + e.getMessage());
98 }
99
100 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
101 DataInputStream dis = new DataInputStream(bais);
102
103 try {
104 KeyValue.create(dis);
105 assertTrue(kv_0.equals(kv_1));
106 } catch (Exception e) {
107 fail("Unexpected Exception" + e.getMessage());
108 }
109
110
111 try {
112
113 KeyValue.create(-1, dis);
114 fail("Expected corrupt stream");
115 } catch (Exception e) {
116 assertEquals("Failed read -1 bytes, stream corrupt?", e.getMessage());
117 }
118
119 }
120
121 @Test
122 public void testSplitLogTask() throws DeserializationException {
123 SplitLogTask slt = new SplitLogTask.Unassigned(ServerName.valueOf("mgr,1,1"));
124 byte [] bytes = slt.toByteArray();
125 SplitLogTask sltDeserialized = SplitLogTask.parseFrom(bytes);
126 assertTrue(slt.equals(sltDeserialized));
127 }
128
129 @Test public void testCompareFilter() throws Exception {
130 Filter f = new RowFilter(CompareOp.EQUAL,
131 new BinaryComparator(Bytes.toBytes("testRowOne-2")));
132 byte [] bytes = f.toByteArray();
133 Filter ff = RowFilter.parseFrom(bytes);
134 assertNotNull(ff);
135 }
136
137 @Test public void testTableDescriptor() throws Exception {
138 final String name = "testTableDescriptor";
139 HTableDescriptor htd = createTableDescriptor(name);
140 byte [] mb = Writables.getBytes(htd);
141 HTableDescriptor deserializedHtd =
142 (HTableDescriptor)Writables.getWritable(mb, new HTableDescriptor());
143 assertEquals(htd.getTableName(), deserializedHtd.getTableName());
144 }
145
146
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149
150 @Test public void testRegionInfo() throws Exception {
151 HRegionInfo hri = createRandomRegion("testRegionInfo");
152
153
154 byte [] hrib = hri.toByteArray();
155 HRegionInfo deserializedHri = HRegionInfo.parseFrom(hrib);
156 assertEquals(hri.getEncodedName(), deserializedHri.getEncodedName());
157 assertEquals(hri, deserializedHri);
158
159
160 hrib = hri.toDelimitedByteArray();
161 DataInputBuffer buf = new DataInputBuffer();
162 try {
163 buf.reset(hrib, hrib.length);
164 deserializedHri = HRegionInfo.parseFrom(buf);
165 assertEquals(hri.getEncodedName(), deserializedHri.getEncodedName());
166 assertEquals(hri, deserializedHri);
167 } finally {
168 buf.close();
169 }
170 }
171
172 @Test public void testRegionInfos() throws Exception {
173 HRegionInfo hri = createRandomRegion("testRegionInfos");
174 byte[] triple = HRegionInfo.toDelimitedByteArray(hri, hri, hri);
175 List<HRegionInfo> regions = HRegionInfo.parseDelimitedFrom(triple, 0, triple.length);
176 assertTrue(regions.size() == 3);
177 assertTrue(regions.get(0).equals(regions.get(1)));
178 assertTrue(regions.get(0).equals(regions.get(2)));
179 }
180
181 private HRegionInfo createRandomRegion(final String name) {
182 HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name));
183 String [] families = new String [] {"info", "anchor"};
184 for (int i = 0; i < families.length; i++) {
185 htd.addFamily(new HColumnDescriptor(families[i]));
186 }
187 return new HRegionInfo(htd.getTableName(), HConstants.EMPTY_START_ROW,
188 HConstants.EMPTY_END_ROW);
189 }
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298 @Test public void testGet() throws Exception{
299 byte[] row = "row".getBytes();
300 byte[] fam = "fam".getBytes();
301 byte[] qf1 = "qf1".getBytes();
302
303 long ts = System.currentTimeMillis();
304 int maxVersions = 2;
305
306 Get get = new Get(row);
307 get.addColumn(fam, qf1);
308 get.setTimeRange(ts, ts+1);
309 get.setMaxVersions(maxVersions);
310
311 ClientProtos.Get getProto = ProtobufUtil.toGet(get);
312 Get desGet = ProtobufUtil.toGet(getProto);
313
314 assertTrue(Bytes.equals(get.getRow(), desGet.getRow()));
315 Set<byte[]> set = null;
316 Set<byte[]> desSet = null;
317
318 for(Map.Entry<byte[], NavigableSet<byte[]>> entry :
319 get.getFamilyMap().entrySet()){
320 assertTrue(desGet.getFamilyMap().containsKey(entry.getKey()));
321 set = entry.getValue();
322 desSet = desGet.getFamilyMap().get(entry.getKey());
323 for(byte [] qualifier : set){
324 assertTrue(desSet.contains(qualifier));
325 }
326 }
327
328 assertEquals(get.getMaxVersions(), desGet.getMaxVersions());
329 TimeRange tr = get.getTimeRange();
330 TimeRange desTr = desGet.getTimeRange();
331 assertEquals(tr.getMax(), desTr.getMax());
332 assertEquals(tr.getMin(), desTr.getMin());
333 }
334
335
336 @Test public void testScan() throws Exception {
337
338 byte[] startRow = "startRow".getBytes();
339 byte[] stopRow = "stopRow".getBytes();
340 byte[] fam = "fam".getBytes();
341 byte[] qf1 = "qf1".getBytes();
342
343 long ts = System.currentTimeMillis();
344 int maxVersions = 2;
345
346 Scan scan = new Scan(startRow, stopRow);
347 scan.addColumn(fam, qf1);
348 scan.setTimeRange(ts, ts+1);
349 scan.setMaxVersions(maxVersions);
350
351 ClientProtos.Scan scanProto = ProtobufUtil.toScan(scan);
352 Scan desScan = ProtobufUtil.toScan(scanProto);
353
354 assertTrue(Bytes.equals(scan.getStartRow(), desScan.getStartRow()));
355 assertTrue(Bytes.equals(scan.getStopRow(), desScan.getStopRow()));
356 assertEquals(scan.getCacheBlocks(), desScan.getCacheBlocks());
357 Set<byte[]> set = null;
358 Set<byte[]> desSet = null;
359
360 for(Map.Entry<byte[], NavigableSet<byte[]>> entry :
361 scan.getFamilyMap().entrySet()){
362 assertTrue(desScan.getFamilyMap().containsKey(entry.getKey()));
363 set = entry.getValue();
364 desSet = desScan.getFamilyMap().get(entry.getKey());
365 for(byte[] column : set){
366 assertTrue(desSet.contains(column));
367 }
368
369
370 scan = new Scan(startRow);
371 final String name = "testScan";
372 byte [] prefix = Bytes.toBytes(name);
373 scan.setFilter(new PrefixFilter(prefix));
374 scanProto = ProtobufUtil.toScan(scan);
375 desScan = ProtobufUtil.toScan(scanProto);
376 Filter f = desScan.getFilter();
377 assertTrue(f instanceof PrefixFilter);
378 }
379
380 assertEquals(scan.getMaxVersions(), desScan.getMaxVersions());
381 TimeRange tr = scan.getTimeRange();
382 TimeRange desTr = desScan.getTimeRange();
383 assertEquals(tr.getMax(), desTr.getMax());
384 assertEquals(tr.getMin(), desTr.getMin());
385 }
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564 protected static final int MAXVERSIONS = 3;
565 protected final static byte [] fam1 = Bytes.toBytes("colfamily1");
566 protected final static byte [] fam2 = Bytes.toBytes("colfamily2");
567 protected final static byte [] fam3 = Bytes.toBytes("colfamily3");
568 protected static final byte [][] COLUMNS = {fam1, fam2, fam3};
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576 protected HTableDescriptor createTableDescriptor(final String name) {
577 return createTableDescriptor(name, MAXVERSIONS);
578 }
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587 protected HTableDescriptor createTableDescriptor(final String name,
588 final int versions) {
589 HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name));
590 htd.addFamily(new HColumnDescriptor(fam1)
591 .setMaxVersions(versions)
592 .setBlockCacheEnabled(false)
593 );
594 htd.addFamily(new HColumnDescriptor(fam2)
595 .setMaxVersions(versions)
596 .setBlockCacheEnabled(false)
597 );
598 htd.addFamily(new HColumnDescriptor(fam3)
599 .setMaxVersions(versions)
600 .setBlockCacheEnabled(false)
601 );
602 return htd;
603 }
604 }