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.master;
19  
20  import static org.junit.Assert.assertEquals;
21  
22  import org.apache.commons.logging.Log;
23  import org.apache.commons.logging.LogFactory;
24  import org.apache.hadoop.fs.FileSystem;
25  import org.apache.hadoop.fs.Path;
26  import org.apache.hadoop.hbase.HBaseTestingUtility;
27  import org.apache.hadoop.hbase.MediumTests;
28  import org.apache.hadoop.hbase.util.FSUtils;
29  import org.junit.AfterClass;
30  import org.junit.BeforeClass;
31  import org.junit.Test;
32  import org.junit.experimental.categories.Category;
33  
34  /**
35   * Test the master filesystem in a local cluster
36   */
37  @Category(MediumTests.class)
38  public class TestMasterFileSystem {
39  
40    private static final Log LOG = LogFactory.getLog(TestMasterFileSystem.class);
41    private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
42  
43    @BeforeClass
44    public static void setupTest() throws Exception {
45      UTIL.startMiniCluster();
46    }
47  
48    @AfterClass
49    public static void teardownTest() throws Exception {
50      UTIL.shutdownMiniCluster();
51    }
52  
53    @Test
54    public void testFsUriSetProperly() throws Exception {
55      HMaster master = UTIL.getMiniHBaseCluster().getMaster();
56      MasterFileSystem fs = master.getMasterFileSystem();
57      Path masterRoot = FSUtils.getRootDir(fs.conf);
58      Path rootDir = FSUtils.getRootDir(fs.getFileSystem().getConf());
59      // make sure the fs and the found root dir have the same scheme
60      LOG.debug("from fs uri:" + FileSystem.getDefaultUri(fs.getFileSystem().getConf()));
61      LOG.debug("from configuration uri:" + FileSystem.getDefaultUri(fs.conf));
62      // make sure the set uri matches by forcing it.
63      assertEquals(masterRoot, rootDir);
64    }
65  
66  }