001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import static org.junit.Assert.assertTrue;
021
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.HBaseTestingUtility;
024import org.apache.hadoop.hbase.HConstants;
025import org.apache.hadoop.hbase.KeyValue;
026import org.apache.hadoop.hbase.TableName;
027import org.apache.hadoop.hbase.testclassification.ClientTests;
028import org.apache.hadoop.hbase.testclassification.MediumTests;
029import org.apache.hadoop.hbase.util.Bytes;
030import org.junit.AfterClass;
031import org.junit.BeforeClass;
032import org.junit.ClassRule;
033import org.junit.Rule;
034import org.junit.Test;
035import org.junit.experimental.categories.Category;
036import org.junit.rules.TestName;
037
038@Category({MediumTests.class, ClientTests.class})
039public class TestPutWithDelete {
040
041  @ClassRule
042  public static final HBaseClassTestRule CLASS_RULE =
043      HBaseClassTestRule.forClass(TestPutWithDelete.class);
044
045  private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
046
047  @Rule
048  public TestName name = new TestName();
049
050  /**
051   * @throws java.lang.Exception
052   */
053  @BeforeClass
054  public static void setUpBeforeClass() throws Exception {
055    TEST_UTIL.startMiniCluster();
056  }
057
058  /**
059   * @throws java.lang.Exception
060   */
061  @AfterClass
062  public static void tearDownAfterClass() throws Exception {
063    TEST_UTIL.shutdownMiniCluster();
064  }
065
066  @Test
067  public void testHbasePutDeleteCell() throws Exception {
068    final TableName tableName = TableName.valueOf(name.getMethodName());
069    final byte[] rowKey = Bytes.toBytes("12345");
070    final byte[] family = Bytes.toBytes("cf");
071    Table table = TEST_UTIL.createTable(tableName, family);
072    TEST_UTIL.waitTableAvailable(tableName.getName(), 5000);
073    try {
074      // put one row
075      Put put = new Put(rowKey);
076      put.addColumn(family, Bytes.toBytes("A"), Bytes.toBytes("a"));
077      put.addColumn(family, Bytes.toBytes("B"), Bytes.toBytes("b"));
078      put.addColumn(family, Bytes.toBytes("C"), Bytes.toBytes("c"));
079      put.addColumn(family, Bytes.toBytes("D"), Bytes.toBytes("d"));
080      table.put(put);
081      // get row back and assert the values
082      Get get = new Get(rowKey);
083      Result result = table.get(get);
084      assertTrue("Column A value should be a",
085          Bytes.toString(result.getValue(family, Bytes.toBytes("A"))).equals("a"));
086      assertTrue("Column B value should be b",
087          Bytes.toString(result.getValue(family, Bytes.toBytes("B"))).equals("b"));
088      assertTrue("Column C value should be c",
089          Bytes.toString(result.getValue(family, Bytes.toBytes("C"))).equals("c"));
090      assertTrue("Column D value should be d",
091          Bytes.toString(result.getValue(family, Bytes.toBytes("D"))).equals("d"));
092      // put the same row again with C column deleted
093      put = new Put(rowKey);
094      put.addColumn(family, Bytes.toBytes("A"), Bytes.toBytes("a1"));
095      put.addColumn(family, Bytes.toBytes("B"), Bytes.toBytes("b1"));
096      KeyValue marker = new KeyValue(rowKey, family, Bytes.toBytes("C"),
097          HConstants.LATEST_TIMESTAMP, KeyValue.Type.DeleteColumn);
098      put.addColumn(family, Bytes.toBytes("D"), Bytes.toBytes("d1"));
099      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