hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMutationGetCellBuilder.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.assertTrue;
  21
  22 import java.util.Arrays;
  23 import org.apache.hadoop.hbase.Cell;
  24 import org.apache.hadoop.hbase.CellBuilder;
  25 import org.apache.hadoop.hbase.CellUtil;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.HBaseTestingUtility;
  28 import org.apache.hadoop.hbase.TableName;
  29 import org.apache.hadoop.hbase.testclassification.ClientTests;
  30 import org.apache.hadoop.hbase.testclassification.MediumTests;
  31 import org.apache.hadoop.hbase.util.Bytes;
  32 import org.junit.AfterClass;
  33 import org.junit.BeforeClass;
  34 import org.junit.ClassRule;
  35 import org.junit.Rule;
  36 import org.junit.Test;
  37 import org.junit.experimental.categories.Category;
  38 import org.junit.rules.TestName;
  39
  40 @Category({MediumTests.class, ClientTests.class})
  41 public class TestMutationGetCellBuilder {
  42
  43   @ClassRule
  44   public static final HBaseClassTestRule CLASS_RULE =
  45       HBaseClassTestRule.forClass(TestMutationGetCellBuilder.class);
  46
  47   private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  48
  49   @Rule
  50   public TestName name = new TestName();
  51
  52   @BeforeClass
  53   public static void setUpBeforeClass() throws Exception {
  54     TEST_UTIL.startMiniCluster();
  55   }
  56
  57   @AfterClass
  58   public static void tearDownAfterClass() throws Exception {
  59     TEST_UTIL.shutdownMiniCluster();
  60   }
  61
  62   @Test
  63   public void testMutationGetCellBuilder() throws Exception {
  64     final TableName tableName = TableName.valueOf(name.getMethodName());
  65     final byte[] rowKey = Bytes.toBytes("12345678");
  66     final byte[] uselessRowKey = Bytes.toBytes("123");
  67     final byte[] family = Bytes.toBytes("cf");
  68     final byte[] qualifier = Bytes.toBytes("foo");
  69     final long now = System.currentTimeMillis();
  70     try (Table table = TEST_UTIL.createTable(tableName, family)) {
  71       TEST_UTIL.waitTableAvailable(tableName.getName(), 5000);
  72       // put one row
  73       Put put = new Put(rowKey);
  74       CellBuilder cellBuilder = put.getCellBuilder().setQualifier(qualifier)
  75               .setFamily(family).setValue(Bytes.toBytes("bar")).setTimestamp(now);
  76       //setRow is useless
  77       cellBuilder.setRow(uselessRowKey);
  78       put.add(cellBuilder.build());
  79       byte[] cloneRow = CellUtil.cloneRow(cellBuilder.build());
  80       assertTrue("setRow must be useless", !Arrays.equals(cloneRow, uselessRowKey));
  81       table.put(put);
  82
  83       // get the row back and assert the values
  84       Get get = new Get(rowKey);
  85       get.setTimestamp(now);
  86       Result result = table.get(get);
  87       assertTrue("row key must be same", Arrays.equals(result.getRow(), rowKey));
  88       assertTrue("Column foo value should be bar",
  89           Bytes.toString(result.getValue(family, qualifier)).equals("bar"));
  90
  91       //Delete that row
  92       Delete delete = new Delete(rowKey);
  93       cellBuilder = delete.getCellBuilder().setQualifier(qualifier)
  94               .setFamily(family);
  95       //if this row has been deleted,then can check setType is useless.
  96       cellBuilder.setType(Cell.Type.Put);
  97       delete.add(cellBuilder.build());
  98       table.delete(delete);
  99
 100       //check this row whether exist
 101       get = new Get(rowKey);
 102       get.setTimestamp(now);
 103       result = table.get(get);
 104       assertTrue("Column foo should not exist",
 105               result.getValue(family, qualifier) == null);
 106     }
 107   }
 108 }
 109
 110