hbase-server/src/test/java/org/apache/hadoop/hbase/wal/TestDisabledWAL.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.assertNotNull;
  21 import static org.junit.Assert.fail;
  22
  23 import java.io.IOException;
  24
  25 import org.apache.hadoop.conf.Configuration;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.HBaseTestingUtility;
  28 import org.apache.hadoop.hbase.TableName;
  29 import org.apache.hadoop.hbase.client.Get;
  30 import org.apache.hadoop.hbase.client.Put;
  31 import org.apache.hadoop.hbase.client.Result;
  32 import org.apache.hadoop.hbase.client.Table;
  33 import org.apache.hadoop.hbase.testclassification.MediumTests;
  34 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
  35 import org.apache.hadoop.hbase.util.Bytes;
  36 import org.junit.After;
  37 import org.junit.AfterClass;
  38 import org.junit.Before;
  39 import org.junit.BeforeClass;
  40 import org.junit.ClassRule;
  41 import org.junit.Rule;
  42 import org.junit.Test;
  43 import org.junit.experimental.categories.Category;
  44 import org.junit.rules.TestName;
  45
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 @Category({ RegionServerTests.class, MediumTests.class })
  50 public class TestDisabledWAL {
  51
  52   @ClassRule
  53   public static final HBaseClassTestRule CLASS_RULE =
  54       HBaseClassTestRule.forClass(TestDisabledWAL.class);
  55
  56   @Rule
  57   public TestName name = new TestName();
  58
  59   private static final Logger LOG = LoggerFactory.getLogger(TestDisabledWAL.class);
  60   static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  61   private Table table;
  62   private TableName tableName;
  63   private byte[] fam = Bytes.toBytes("f1");
  64
  65   @BeforeClass
  66   public static void beforeClass() throws Exception {
  67     Configuration conf = TEST_UTIL.getConfiguration();
  68     conf.setBoolean("hbase.regionserver.hlog.enabled", false);
  69     try {
  70       TEST_UTIL.startMiniCluster();
  71     } catch (RuntimeException | IOException e) {
  72       LOG.error("Master failed to start.", e);
  73       fail("Failed to start cluster. Reason being: " + e.getCause().getMessage());
  74     }
  75   }
  76
  77   @AfterClass
  78   public static void afterClass() throws Exception {
  79     TEST_UTIL.shutdownMiniCluster();
  80   }
  81
  82   @Before
  83   public void setup() throws Exception {
  84     tableName = TableName.valueOf(name.getMethodName().replaceAll("[^a-zA-Z0-9]", "_"));
  85     LOG.info("Creating table " + tableName);
  86     table = TEST_UTIL.createTable(tableName, fam);
  87   }
  88
  89   @After
  90   public void cleanup() throws Exception {
  91     LOG.info("Deleting table " + tableName);
  92     TEST_UTIL.deleteTable(tableName);
  93   }
  94
  95   @Test
  96   public void testDisabledWAL() throws Exception {
  97     LOG.info("Writing data to table " + tableName);
  98     Put p = new Put(Bytes.toBytes("row"));
  99     p.addColumn(fam, Bytes.toBytes("qual"), Bytes.toBytes("val"));
 100     table.put(p);
 101
 102     LOG.info("Flushing table " + tableName);
 103     TEST_UTIL.flush(tableName);
 104
 105     LOG.info("Getting data from table " + tableName);
 106     Get get = new Get(Bytes.toBytes("row"));
 107
 108     Result result = table.get(get);
 109     assertNotNull(result.getValue(fam, Bytes.toBytes("qual")));
 110   }
 111 }