/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.mapreduce;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.LargeTests;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Basic test for the CopyTable M/R tool
*/
@Category(LargeTests.class)
public class TestCopyTable {
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private static MiniHBaseCluster cluster;
@BeforeClass
public static void beforeClass() throws Exception {
cluster = TEST_UTIL.startMiniCluster(3);
TEST_UTIL.startMiniMapReduceCluster();
}
@AfterClass
public static void afterClass() throws Exception {
TEST_UTIL.shutdownMiniMapReduceCluster();
TEST_UTIL.shutdownMiniCluster();
}
/**
* Simple end-to-end test
* @throws Exception
*/
@Test
public void testCopyTable() throws Exception {
final byte[] TABLENAME1 = Bytes.toBytes("testCopyTable1");
final byte[] TABLENAME2 = Bytes.toBytes("testCopyTable2");
final byte[] FAMILY = Bytes.toBytes("family");
final byte[] COLUMN1 = Bytes.toBytes("c1");
HTable t1 = TEST_UTIL.createTable(TABLENAME1, FAMILY);
HTable t2 = TEST_UTIL.createTable(TABLENAME2, FAMILY);
// put rows into the first table
for (int i = 0; i < 10; i++) {
Put p = new Put(Bytes.toBytes("row" + i));
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
}
CopyTable copy = new CopyTable(TEST_UTIL.getConfiguration());
assertEquals(
0,
copy.run(new String[] { "--new.name=" + Bytes.toString(TABLENAME2),
Bytes.toString(TABLENAME1) }));
// verify the data was copied into table 2
for (int i = 0; i < 10; i++) {
Get g = new Get(Bytes.toBytes("row" + i));
Result r = t2.get(g);
assertEquals(1, r.size());
assertTrue(Bytes.equals(COLUMN1, r.raw()[0].getQualifier()));
}
t1.close();
t2.close();
TEST_UTIL.deleteTable(TABLENAME1);
TEST_UTIL.deleteTable(TABLENAME2);
}
@Test
public void testStartStopRow() throws Exception {
final byte[] TABLENAME1 = Bytes.toBytes("testStartStopRow1");
final byte[] TABLENAME2 = Bytes.toBytes("testStartStopRow2");
final byte[] FAMILY = Bytes.toBytes("family");
final byte[] COLUMN1 = Bytes.toBytes("c1");
final byte[] ROW0 = Bytes.toBytes("row0");
final byte[] ROW1 = Bytes.toBytes("row1");
final byte[] ROW2 = Bytes.toBytes("row2");
HTable t1 = TEST_UTIL.createTable(TABLENAME1, FAMILY);
HTable t2 = TEST_UTIL.createTable(TABLENAME2, FAMILY);
// put rows into the first table
Put p = new Put(ROW0);
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
p = new Put(ROW1);
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
p = new Put(ROW2);
p.add(FAMILY, COLUMN1, COLUMN1);
t1.put(p);
CopyTable copy = new CopyTable(TEST_UTIL.getConfiguration());
assertEquals(
0,
copy.run(new String[] { "--new.name=" + Bytes.toString(TABLENAME2), "--startrow=row1",
"--stoprow=row2", Bytes.toString(TABLENAME1) }));
// verify the data was copied into table 2
// row1 exist, row0, row2 do not exist
Get g = new Get(ROW1);
Result r = t2.get(g);
assertEquals(1, r.size());
assertTrue(Bytes.equals(COLUMN1, r.raw()[0].getQualifier()));
g = new Get(ROW0);
r = t2.get(g);
assertEquals(0, r.size());
g = new Get(ROW2);
r = t2.get(g);
assertEquals(0, r.size());
t1.close();
t2.close();
TEST_UTIL.deleteTable(TABLENAME1);
TEST_UTIL.deleteTable(TABLENAME2);
}
}