hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestWrongMetaWALFileName.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.wal;
  19
  20 import static org.junit.Assert.assertTrue;
  21
  22 import org.apache.hadoop.fs.Path;
  23 import org.apache.hadoop.hbase.HBaseClassTestRule;
  24 import org.apache.hadoop.hbase.HBaseTestingUtility;
  25 import org.apache.hadoop.hbase.TableName;
  26 import org.apache.hadoop.hbase.regionserver.HRegionServer;
  27 import org.apache.hadoop.hbase.testclassification.MediumTests;
  28 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
  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.Test;
  34 import org.junit.experimental.categories.Category;
  35
  36 /**
  37  * Testcase for HBASE-21843. Used to confirm that we use the correct name for meta wal file when
  38  * using {@link RegionGroupingProvider}.
  39  */
  40 @Category({ RegionServerTests.class, MediumTests.class })
  41 public class TestWrongMetaWALFileName {
  42
  43   @ClassRule
  44   public static final HBaseClassTestRule CLASS_RULE =
  45     HBaseClassTestRule.forClass(TestWrongMetaWALFileName.class);
  46
  47   private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
  48
  49   @BeforeClass
  50   public static void setUp() throws Exception {
  51     UTIL.getConfiguration().set(WALFactory.WAL_PROVIDER, WALFactory.Providers.multiwal.name());
  52     UTIL.startMiniCluster(1);
  53   }
  54
  55   @AfterClass
  56   public static void tearDown() throws Exception {
  57     UTIL.shutdownMiniCluster();
  58   }
  59
  60   @Test
  61   public void test() throws Exception {
  62     // create a table so that we will write some edits to meta
  63     TableName tableName = TableName.valueOf("whatever");
  64     UTIL.createTable(tableName, Bytes.toBytes("family"));
  65     UTIL.waitTableAvailable(tableName);
  66     HRegionServer rs = UTIL.getMiniHBaseCluster().getRegionServer(0);
  67     Path walDir = new Path(rs.getWALRootDir(),
  68       AbstractFSWALProvider.getWALDirectoryName(rs.getServerName().toString()));
  69     // we should have meta wal files.
  70     assertTrue(
  71       rs.getWALFileSystem().listStatus(walDir, AbstractFSWALProvider::isMetaFile).length > 0);
  72   }
  73 }