hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestPutWithDelete.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 org.apache.hadoop.hbase.HBaseClassTestRule;
  23 import org.apache.hadoop.hbase.HBaseTestingUtility;
  24 import org.apache.hadoop.hbase.HConstants;
  25 import org.apache.hadoop.hbase.KeyValue;
  26 import org.apache.hadoop.hbase.TableName;
  27 import org.apache.hadoop.hbase.testclassification.ClientTests;
  28 import org.apache.hadoop.hbase.testclassification.MediumTests;
  29 import org.apache.hadoop.hbase.util.Bytes;
  30 import org.junit.AfterClass;
  31 import org.junit.BeforeClass;
  32 import org.junit.ClassRule;
  33 import org.junit.Rule;
  34 import org.junit.Test;
  35 import org.junit.experimental.categories.Category;
  36 import org.junit.rules.TestName;
  37
  38 @Category({MediumTests.class, ClientTests.class})
  39 public class TestPutWithDelete {
  40
  41   @ClassRule
  42   public static final HBaseClassTestRule CLASS_RULE =
  43       HBaseClassTestRule.forClass(TestPutWithDelete.class);
  44
  45   private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  46
  47   @Rule
  48   public TestName name = new TestName();
  49
  50   /**
  51    * @throws java.lang.Exception
  52    */
  53   @BeforeClass
  54   public static void setUpBeforeClass() throws Exception {
  55     TEST_UTIL.startMiniCluster();
  56   }
  57
  58   /**
  59    * @throws java.lang.Exception
  60    */
  61   @AfterClass
  62   public static void tearDownAfterClass() throws Exception {
  63     TEST_UTIL.shutdownMiniCluster();
  64   }
  65
  66   @Test
  67   public void testHbasePutDeleteCell() throws Exception {
  68     final TableName tableName = TableName.valueOf(name.getMethodName());
  69     final byte[] rowKey = Bytes.toBytes("12345");
  70     final byte[] family = Bytes.toBytes("cf");
  71     Table table = TEST_UTIL.createTable(tableName, family);
  72     TEST_UTIL.waitTableAvailable(tableName.getName(), 5000);
  73     try {
  74       // put one row
  75       Put put = new Put(rowKey);
  76       put.addColumn(family, Bytes.toBytes("A"), Bytes.toBytes("a"));
  77       put.addColumn(family, Bytes.toBytes("B"), Bytes.toBytes("b"));
  78       put.addColumn(family, Bytes.toBytes("C"), Bytes.toBytes("c"));
  79       put.addColumn(family, Bytes.toBytes("D"), Bytes.toBytes("d"));
  80       table.put(put);
  81       // get row back and assert the values
  82       Get get = new Get(rowKey);
  83       Result result = table.get(get);
  84       assertTrue("Column A value should be a",
  85           Bytes.toString(result.getValue(family, Bytes.toBytes("A"))).equals("a"));
  86       assertTrue("Column B value should be b",
  87           Bytes.toString(result.getValue(family, Bytes.toBytes("B"))).equals("b"));
  88       assertTrue("Column C value should be c",
  89           Bytes.toString(result.getValue(family, Bytes.toBytes("C"))).equals("c"));
  90       assertTrue("Column D value should be d",
  91           Bytes.toString(result.getValue(family, Bytes.toBytes("D"))).equals("d"));
  92       // put the same row again with C column deleted
  93       put = new Put(rowKey);
  94       put.addColumn(family, Bytes.toBytes("A"), Bytes.toBytes("a1"));
  95       put.addColumn(family, Bytes.toBytes("B"), Bytes.toBytes("b1"));
  96       KeyValue marker = new KeyValue(rowKey, family, Bytes.toBytes("C"),
  97           HConstants.LATEST_TIMESTAMP, KeyValue.Type.DeleteColumn);
  98       put.addColumn(family, Bytes.toBytes("D"), Bytes.toBytes("d1"));
  99       put.add(marker);
 100       table.put(put);
 101       // get row back and assert the values
 102       get = new Get(rowKey);
 103       result = table.get(get);
 104       assertTrue("Column A value should be a1",
 105           Bytes.toString(result.getValue(family, Bytes.toBytes("A"))).equals("a1"));
 106       assertTrue("Column B value should be b1",
 107           Bytes.toString(result.getValue(family, Bytes.toBytes("B"))).equals("b1"));
 108       assertTrue("Column C should not exist",
 109           result.getValue(family, Bytes.toBytes("C")) == null);
 110       assertTrue("Column D value should be d1",
 111           Bytes.toString(result.getValue(family, Bytes.toBytes("D"))).equals("d1"));
 112     } finally {
 113       table.close();
 114     }
 115   }
 116 }
 117
 118