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20 package org.apache.hadoop.hbase.replication.regionserver;
21
22 import static org.junit.Assert.assertEquals;
23 import static org.junit.Assert.assertTrue;
24
25 import java.util.concurrent.atomic.AtomicBoolean;
26
27 import org.apache.commons.logging.Log;
28 import org.apache.commons.logging.LogFactory;
29 import org.apache.hadoop.conf.Configuration;
30 import org.apache.hadoop.hbase.HBaseTestingUtility;
31 import org.apache.hadoop.hbase.HConstants;
32 import org.apache.hadoop.hbase.KeyValue;
33 import org.apache.hadoop.hbase.Stoppable;
34 import org.apache.hadoop.hbase.client.Get;
35 import org.apache.hadoop.hbase.client.HTable;
36 import org.apache.hadoop.hbase.client.Result;
37 import org.apache.hadoop.hbase.client.ResultScanner;
38 import org.apache.hadoop.hbase.client.Scan;
39 import org.apache.hadoop.hbase.regionserver.wal.HLog;
40 import org.apache.hadoop.hbase.regionserver.wal.HLogKey;
41 import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
42 import org.apache.hadoop.hbase.util.Bytes;
43 import org.junit.AfterClass;
44 import org.junit.Before;
45 import org.junit.BeforeClass;
46 import org.junit.Test;
47
48 public class TestReplicationSink {
49 private static final Log LOG = LogFactory.getLog(TestReplicationSink.class);
50 private static final int BATCH_SIZE = 10;
51
52 private final static HBaseTestingUtility TEST_UTIL =
53 new HBaseTestingUtility();
54
55 private static ReplicationSink SINK;
56
57 private static final byte[] TABLE_NAME1 =
58 Bytes.toBytes("table1");
59 private static final byte[] TABLE_NAME2 =
60 Bytes.toBytes("table2");
61
62 private static final byte[] FAM_NAME1 = Bytes.toBytes("info1");
63 private static final byte[] FAM_NAME2 = Bytes.toBytes("info2");
64
65 private static HTable table1;
66 private static Stoppable STOPPABLE = new Stoppable() {
67 final AtomicBoolean stop = new AtomicBoolean(false);
68
69 @Override
70 public boolean isStopped() {
71 return this.stop.get();
72 }
73
74 @Override
75 public void stop(String why) {
76 LOG.info("STOPPING BECAUSE: " + why);
77 this.stop.set(true);
78 }
79
80 };
81
82 private static HTable table2;
83
84
85
86
87 @BeforeClass
88 public static void setUpBeforeClass() throws Exception {
89 TEST_UTIL.getConfiguration().setBoolean("dfs.support.append", true);
90 TEST_UTIL.getConfiguration().setBoolean(HConstants.REPLICATION_ENABLE_KEY, true);
91 TEST_UTIL.startMiniCluster(3);
92 SINK =
93 new ReplicationSink(new Configuration(TEST_UTIL.getConfiguration()), STOPPABLE);
94 table1 = TEST_UTIL.createTable(TABLE_NAME1, FAM_NAME1);
95 table2 = TEST_UTIL.createTable(TABLE_NAME2, FAM_NAME2);
96 }
97
98
99
100
101 @AfterClass
102 public static void tearDownAfterClass() throws Exception {
103 STOPPABLE.stop("Shutting down");
104 TEST_UTIL.shutdownMiniCluster();
105 }
106
107
108
109
110 @Before
111 public void setUp() throws Exception {
112 table1 = TEST_UTIL.truncateTable(TABLE_NAME1);
113 table2 = TEST_UTIL.truncateTable(TABLE_NAME2);
114 }
115
116
117
118
119
120 @Test
121 public void testBatchSink() throws Exception {
122 HLog.Entry[] entries = new HLog.Entry[BATCH_SIZE];
123 for(int i = 0; i < BATCH_SIZE; i++) {
124 entries[i] = createEntry(TABLE_NAME1, i, KeyValue.Type.Put);
125 }
126 SINK.replicateEntries(entries);
127 Scan scan = new Scan();
128 ResultScanner scanRes = table1.getScanner(scan);
129 assertEquals(BATCH_SIZE, scanRes.next(BATCH_SIZE).length);
130 }
131
132
133
134
135
136 @Test
137 public void testMixedPutDelete() throws Exception {
138 HLog.Entry[] entries = new HLog.Entry[BATCH_SIZE/2];
139 for(int i = 0; i < BATCH_SIZE/2; i++) {
140 entries[i] = createEntry(TABLE_NAME1, i, KeyValue.Type.Put);
141 }
142 SINK.replicateEntries(entries);
143
144 entries = new HLog.Entry[BATCH_SIZE];
145 for(int i = 0; i < BATCH_SIZE; i++) {
146 entries[i] = createEntry(TABLE_NAME1, i,
147 i % 2 != 0 ? KeyValue.Type.Put: KeyValue.Type.DeleteColumn);
148 }
149
150 SINK.replicateEntries(entries);
151 Scan scan = new Scan();
152 ResultScanner scanRes = table1.getScanner(scan);
153 assertEquals(BATCH_SIZE/2, scanRes.next(BATCH_SIZE).length);
154 }
155
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159
160 @Test
161 public void testMixedPutTables() throws Exception {
162 HLog.Entry[] entries = new HLog.Entry[BATCH_SIZE];
163 for(int i = 0; i < BATCH_SIZE; i++) {
164 entries[i] =
165 createEntry( i % 2 == 0 ? TABLE_NAME2 : TABLE_NAME1,
166 i, KeyValue.Type.Put);
167 }
168
169 SINK.replicateEntries(entries);
170 Scan scan = new Scan();
171 ResultScanner scanRes = table2.getScanner(scan);
172 for(Result res : scanRes) {
173 assertTrue(Bytes.toInt(res.getRow()) % 2 == 0);
174 }
175 }
176
177
178
179
180
181 @Test
182 public void testMixedDeletes() throws Exception {
183 HLog.Entry[] entries = new HLog.Entry[3];
184 for(int i = 0; i < 3; i++) {
185 entries[i] = createEntry(TABLE_NAME1, i, KeyValue.Type.Put);
186 }
187 SINK.replicateEntries(entries);
188 entries = new HLog.Entry[3];
189
190 entries[0] = createEntry(TABLE_NAME1, 0, KeyValue.Type.DeleteColumn);
191 entries[1] = createEntry(TABLE_NAME1, 1, KeyValue.Type.DeleteFamily);
192 entries[2] = createEntry(TABLE_NAME1, 2, KeyValue.Type.DeleteColumn);
193
194 SINK.replicateEntries(entries);
195
196 Scan scan = new Scan();
197 ResultScanner scanRes = table1.getScanner(scan);
198 assertEquals(0, scanRes.next(3).length);
199 }
200
201
202
203
204
205
206 @Test
207 public void testApplyDeleteBeforePut() throws Exception {
208 HLog.Entry[] entries = new HLog.Entry[5];
209 for(int i = 0; i < 2; i++) {
210 entries[i] = createEntry(TABLE_NAME1, i, KeyValue.Type.Put);
211 }
212 entries[2] = createEntry(TABLE_NAME1, 1, KeyValue.Type.DeleteFamily);
213 for(int i = 3; i < 5; i++) {
214 entries[i] = createEntry(TABLE_NAME1, i, KeyValue.Type.Put);
215 }
216 SINK.replicateEntries(entries);
217 Get get = new Get(Bytes.toBytes(1));
218 Result res = table1.get(get);
219 assertEquals(0, res.size());
220 }
221
222 private HLog.Entry createEntry(byte [] table, int row, KeyValue.Type type) {
223 byte[] fam = Bytes.equals(table, TABLE_NAME1) ? FAM_NAME1 : FAM_NAME2;
224 byte[] rowBytes = Bytes.toBytes(row);
225
226
227 try {
228 Thread.sleep(1);
229 } catch (InterruptedException e) {
230 LOG.info("Was interrupted while sleep, meh", e);
231 }
232 final long now = System.currentTimeMillis();
233 KeyValue kv = null;
234 if(type.getCode() == KeyValue.Type.Put.getCode()) {
235 kv = new KeyValue(rowBytes, fam, fam, now,
236 KeyValue.Type.Put, Bytes.toBytes(row));
237 } else if (type.getCode() == KeyValue.Type.DeleteColumn.getCode()) {
238 kv = new KeyValue(rowBytes, fam, fam,
239 now, KeyValue.Type.DeleteColumn);
240 } else if (type.getCode() == KeyValue.Type.DeleteFamily.getCode()) {
241 kv = new KeyValue(rowBytes, fam, null,
242 now, KeyValue.Type.DeleteFamily);
243 }
244
245 HLogKey key = new HLogKey(table, table, now, now,
246 HConstants.DEFAULT_CLUSTER_ID);
247
248 WALEdit edit = new WALEdit();
249 edit.add(kv);
250
251 return new HLog.Entry(key, edit);
252 }
253 }