hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableRegionReplicasScan.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import static org.junit.Assert.assertArrayEquals;
  21 import static org.junit.Assert.assertNotNull;
  22
  23 import java.io.IOException;
  24 import org.apache.hadoop.hbase.HBaseClassTestRule;
  25 import org.apache.hadoop.hbase.testclassification.ClientTests;
  26 import org.apache.hadoop.hbase.testclassification.MediumTests;
  27 import org.apache.hadoop.hbase.util.Bytes;
  28 import org.junit.BeforeClass;
  29 import org.junit.ClassRule;
  30 import org.junit.experimental.categories.Category;
  31 import org.junit.runner.RunWith;
  32 import org.junit.runners.Parameterized;
  33
  34 @RunWith(Parameterized.class)
  35 @Category({ MediumTests.class, ClientTests.class })
  36 public class TestAsyncTableRegionReplicasScan extends AbstractTestAsyncTableRegionReplicasRead {
  37
  38   @ClassRule
  39   public static final HBaseClassTestRule CLASS_RULE =
  40     HBaseClassTestRule.forClass(TestAsyncTableRegionReplicasScan.class);
  41
  42   private static int ROW_COUNT = 1000;
  43
  44   private static byte[] getRow(int i) {
  45     return Bytes.toBytes(String.format("%s-%03d", Bytes.toString(ROW), i));
  46   }
  47
  48   private static byte[] getValue(int i) {
  49     return Bytes.toBytes(String.format("%s-%03d", Bytes.toString(VALUE), i));
  50   }
  51
  52   @BeforeClass
  53   public static void setUpBeforeClass() throws Exception {
  54     startClusterAndCreateTable();
  55     AsyncTable<?> table = ASYNC_CONN.getTable(TABLE_NAME);
  56     for (int i = 0; i < ROW_COUNT; i++) {
  57       table.put(new Put(getRow(i)).addColumn(FAMILY, QUALIFIER, getValue(i))).get();
  58     }
  59     waitUntilAllReplicasHaveRow(getRow(ROW_COUNT - 1));
  60   }
  61
  62   @Override
  63   protected void readAndCheck(AsyncTable<?> table, int replicaId) throws IOException {
  64     Scan scan = new Scan().setConsistency(Consistency.TIMELINE).setCaching(1);
  65     if (replicaId >= 0) {
  66       scan.setReplicaId(replicaId);
  67     }
  68     try (ResultScanner scanner = table.getScanner(scan)) {
  69       for (int i = 0; i < ROW_COUNT; i++) {
  70         Result result = scanner.next();
  71         assertNotNull(result);
  72         assertArrayEquals(getValue(i), result.getValue(FAMILY, QUALIFIER));
  73       }
  74     }
  75   }
  76 }