hbase-server/src/test/java/org/apache/hadoop/hbase/TestColumnFamilyDescriptorDefaultVersions.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.CommonFSUtils;
  34 import org.apache.hadoop.hbase.util.FSTableDescriptors;
  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 ColumnFamilyDescriptor version is set correctly by default, hbase-site.xml, and
  46  * user input
  47  */
  48 @Category({ MiscTests.class, MediumTests.class })
  49 public class TestColumnFamilyDescriptorDefaultVersions {
  50
  51   @ClassRule
  52   public static final HBaseClassTestRule CLASS_RULE =
  53     HBaseClassTestRule.forClass(TestColumnFamilyDescriptorDefaultVersions.class);
  54
  55   @Rule
  56   public TestName name = new TestName();
  57   private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
  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    */
  64   @BeforeClass
  65   public static void beforeAllTests() throws Exception {
  66     TEST_UTIL.startMiniCluster(1);
  67   }
  68
  69   @Before
  70   public void setup() {
  71     TABLE_NAME = TableName.valueOf(name.getMethodName());
  72
  73   }
  74
  75   @AfterClass
  76   public static void afterAllTests() throws Exception {
  77     TEST_UTIL.shutdownMiniCluster();
  78   }
  79
  80   @Test
  81   public void testCreateTableWithDefault() throws IOException {
  82     Admin admin = TEST_UTIL.getAdmin();
  83     // Create a table with one family
  84     TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(TABLE_NAME)
  85       .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build();
  86     admin.createTable(tableDescriptor);
  87     admin.disableTable(TABLE_NAME);
  88     try {
  89       // Verify the column descriptor
  90       verifyHColumnDescriptor(1, TABLE_NAME, FAMILY);
  91     } finally {
  92       admin.deleteTable(TABLE_NAME);
  93     }
  94   }
  95
  96   @Test
  97   public void testCreateTableWithDefaultFromConf() throws Exception {
  98     TEST_UTIL.shutdownMiniCluster();
  99     TEST_UTIL.getConfiguration().setInt("hbase.column.max.version", 3);
 100     TEST_UTIL.startMiniCluster(1);
 101
 102     Admin admin = TEST_UTIL.getAdmin();
 103     // Create a table with one family
 104     TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(TABLE_NAME)
 105       .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY)
 106         .setMaxVersions(TEST_UTIL.getConfiguration().getInt("hbase.column.max.version", 1)).build())
 107       .build();
 108     admin.createTable(tableDescriptor);
 109     admin.disableTable(TABLE_NAME);
 110     try {
 111       // Verify the column descriptor
 112       verifyHColumnDescriptor(3, TABLE_NAME, FAMILY);
 113     } finally {
 114       admin.deleteTable(TABLE_NAME);
 115     }
 116   }
 117
 118   @Test
 119   public void testCreateTableWithSetVersion() throws Exception {
 120     TEST_UTIL.shutdownMiniCluster();
 121     TEST_UTIL.getConfiguration().setInt("hbase.column.max.version", 3);
 122     TEST_UTIL.startMiniCluster(1);
 123
 124     Admin admin = TEST_UTIL.getAdmin();
 125     // Create a table with one family
 126     TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(TABLE_NAME)
 127       .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(5).build())
 128       .build();
 129     admin.createTable(tableDescriptor);
 130     admin.disableTable(TABLE_NAME);
 131     try {
 132       // Verify the column descriptor
 133       verifyHColumnDescriptor(5, TABLE_NAME, FAMILY);
 134
 135     } finally {
 136       admin.deleteTable(TABLE_NAME);
 137     }
 138   }
 139
 140   @Test
 141   public void testHColumnDescriptorCachedMaxVersions() throws Exception {
 142     ColumnFamilyDescriptor familyDescriptor =
 143       ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(5).build();
 144     // Verify the max version
 145     assertEquals(5, familyDescriptor.getMaxVersions());
 146
 147     // modify the max version
 148     familyDescriptor = ColumnFamilyDescriptorBuilder.newBuilder(familyDescriptor)
 149       .setValue(Bytes.toBytes(HConstants.VERSIONS), Bytes.toBytes("8")).build();
 150     // Verify the max version
 151     assertEquals(8, familyDescriptor.getMaxVersions());
 152   }
 153
 154   private void verifyHColumnDescriptor(int expected, final TableName tableName,
 155     final byte[]... families) throws IOException {
 156     Admin admin = TEST_UTIL.getAdmin();
 157
 158     // Verify descriptor from master
 159     TableDescriptor htd = admin.getDescriptor(tableName);
 160     ColumnFamilyDescriptor[] hcds = htd.getColumnFamilies();
 161     verifyColumnFamilyDescriptor(expected, hcds, tableName, families);
 162
 163     // Verify descriptor from HDFS
 164     MasterFileSystem mfs = TEST_UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem();
 165     Path tableDir = CommonFSUtils.getTableDir(mfs.getRootDir(), tableName);
 166     TableDescriptor td = FSTableDescriptors.getTableDescriptorFromFs(mfs.getFileSystem(), tableDir);
 167     hcds = td.getColumnFamilies();
 168     verifyColumnFamilyDescriptor(expected, hcds, tableName, families);
 169   }
 170
 171   private void verifyColumnFamilyDescriptor(int expected, final ColumnFamilyDescriptor[] hcds,
 172     final TableName tableName, final byte[]... families) {
 173     for (ColumnFamilyDescriptor hcd : hcds) {
 174       assertEquals(expected, hcd.getMaxVersions());
 175     }
 176   }
 177 }