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