hbase-server/src/test/java/org/apache/hadoop/hbase/TestHColumnDescriptorDefaultVersions.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;
  19
  20 import static org.junit.Assert.assertEquals;
  21
  22 import java.io.IOException;
  23 import org.apache.hadoop.fs.Path;
  24 import org.apache.hadoop.hbase.client.Admin;
  25 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
  26 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
  27 import org.apache.hadoop.hbase.client.TableDescriptor;
  28 import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
  29 import org.apache.hadoop.hbase.master.MasterFileSystem;
  30 import org.apache.hadoop.hbase.testclassification.MediumTests;
  31 import org.apache.hadoop.hbase.testclassification.MiscTests;
  32 import org.apache.hadoop.hbase.util.Bytes;
  33 import org.apache.hadoop.hbase.util.FSTableDescriptors;
  34 import org.apache.hadoop.hbase.util.FSUtils;
  35 import org.junit.AfterClass;
  36 import org.junit.Before;
  37 import org.junit.BeforeClass;
  38 import org.junit.ClassRule;
  39 import org.junit.Rule;
  40 import org.junit.Test;
  41 import org.junit.experimental.categories.Category;
  42 import org.junit.rules.TestName;
  43
  44 /**
  45  * Verify that the HColumnDescriptor version is set correctly by default, hbase-site.xml, and user
  46  * input
  47  */
  48 @Category({MiscTests.class, MediumTests.class})
  49 public class TestHColumnDescriptorDefaultVersions {
  50
  51   @ClassRule
  52   public static final HBaseClassTestRule CLASS_RULE =
  53       HBaseClassTestRule.forClass(TestHColumnDescriptorDefaultVersions.class);
  54
  55   @Rule
  56   public TestName name = new TestName();
  57   private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  58   private static TableName TABLE_NAME = null;
  59   private static final byte[] FAMILY = Bytes.toBytes("cf0");
  60
  61   /**
  62    * Start up a mini cluster and put a small table of empty regions into it.
  63    * @throws Exception
  64    */
  65   @BeforeClass
  66   public static void beforeAllTests() throws Exception {
  67     TEST_UTIL.startMiniCluster(1);
  68   }
  69
  70   @Before
  71   public void setup() {
  72     TABLE_NAME = TableName.valueOf(name.getMethodName());
  73
  74   }
  75
  76   @AfterClass
  77   public static void afterAllTests() throws Exception {
  78     TEST_UTIL.shutdownMiniCluster();
  79   }
  80
  81   @Test
  82   public void testCreateTableWithDefault() throws IOException {
  83     Admin admin = TEST_UTIL.getAdmin();
  84     // Create a table with one family
  85     TableDescriptorBuilder.ModifyableTableDescriptor tableDescriptor =
  86       new TableDescriptorBuilder.ModifyableTableDescriptor(TABLE_NAME);
  87     ColumnFamilyDescriptor familyDescriptor =
  88       new ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor(FAMILY);
  89     tableDescriptor.setColumnFamily(familyDescriptor);
  90     admin.createTable(tableDescriptor);
  91     admin.disableTable(TABLE_NAME);
  92     try {
  93       // Verify the column descriptor
  94       verifyHColumnDescriptor(1, TABLE_NAME, FAMILY);
  95     } finally {
  96       admin.deleteTable(TABLE_NAME);
  97     }
  98   }
  99
 100   @Test
 101   public void testCreateTableWithDefaultFromConf() throws Exception {
 102     TEST_UTIL.shutdownMiniCluster();
 103     TEST_UTIL.getConfiguration().setInt("hbase.column.max.version", 3);
 104     TEST_UTIL.startMiniCluster(1);
 105
 106     Admin admin = TEST_UTIL.getAdmin();
 107     // Create a table with one family
 108     TableDescriptorBuilder.ModifyableTableDescriptor tableDescriptor =
 109       new TableDescriptorBuilder.ModifyableTableDescriptor(TABLE_NAME);
 110     ColumnFamilyDescriptor familyDescriptor =
 111       new ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor(FAMILY)
 112         .setMaxVersions(TEST_UTIL.getConfiguration().getInt("hbase.column.max.version", 1));
 113     tableDescriptor.setColumnFamily(familyDescriptor);
 114     admin.createTable(tableDescriptor);
 115     admin.disableTable(TABLE_NAME);
 116     try {
 117       // Verify the column descriptor
 118       verifyHColumnDescriptor(3, TABLE_NAME, FAMILY);
 119     } finally {
 120       admin.deleteTable(TABLE_NAME);
 121     }
 122   }
 123
 124   @Test
 125   public void testCreateTableWithSetVersion() throws Exception {
 126     TEST_UTIL.shutdownMiniCluster();
 127     TEST_UTIL.getConfiguration().setInt("hbase.column.max.version", 3);
 128     TEST_UTIL.startMiniCluster(1);
 129
 130     Admin admin = TEST_UTIL.getAdmin();
 131     // Create a table with one family
 132     TableDescriptorBuilder.ModifyableTableDescriptor tableDescriptor =
 133       new TableDescriptorBuilder.ModifyableTableDescriptor(TABLE_NAME);
 134     ColumnFamilyDescriptor familyDescriptor =
 135       new ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor(FAMILY)
 136         .setMaxVersions(5);
 137     tableDescriptor.setColumnFamily(familyDescriptor);
 138     admin.createTable(tableDescriptor);
 139     admin.disableTable(TABLE_NAME);
 140     try {
 141       // Verify the column descriptor
 142       verifyHColumnDescriptor(5, TABLE_NAME, FAMILY);
 143
 144     } finally {
 145       admin.deleteTable(TABLE_NAME);
 146     }
 147   }
 148
 149   @Test
 150   public void testHColumnDescriptorCachedMaxVersions() throws Exception {
 151     ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor familyDescriptor =
 152       new ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor(FAMILY);
 153     familyDescriptor.setMaxVersions(5);
 154     // Verify the max version
 155     assertEquals(5, familyDescriptor.getMaxVersions());
 156
 157     // modify the max version
 158     familyDescriptor.setValue(Bytes.toBytes(HConstants.VERSIONS), Bytes.toBytes("8"));
 159     // Verify the max version
 160     assertEquals(8, familyDescriptor.getMaxVersions());
 161   }
 162
 163   private void verifyHColumnDescriptor(int expected, final TableName tableName,
 164       final byte[]... families) throws IOException {
 165     Admin admin = TEST_UTIL.getAdmin();
 166
 167     // Verify descriptor from master
 168     TableDescriptor htd = admin.getDescriptor(tableName);
 169     ColumnFamilyDescriptor[] hcds = htd.getColumnFamilies();
 170     verifyHColumnDescriptor(expected, hcds, tableName, families);
 171
 172     // Verify descriptor from HDFS
 173     MasterFileSystem mfs = TEST_UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem();
 174     Path tableDir = FSUtils.getTableDir(mfs.getRootDir(), tableName);
 175     TableDescriptor td = FSTableDescriptors.getTableDescriptorFromFs(mfs.getFileSystem(), tableDir);
 176     hcds = td.getColumnFamilies();
 177     verifyHColumnDescriptor(expected, hcds, tableName, families);
 178   }
 179
 180   private void verifyHColumnDescriptor(int expected, final ColumnFamilyDescriptor[] hcds,
 181       final TableName tableName,
 182       final byte[]... families) {
 183     for (ColumnFamilyDescriptor hcd : hcds) {
 184       assertEquals(expected, hcd.getMaxVersions());
 185     }
 186   }
 187
 188 }