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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.zookeeper;
19  
20  import java.util.Properties;
21  
22  import junit.framework.Assert;
23  
24  import org.apache.hadoop.conf.Configuration;
25  import org.apache.hadoop.hbase.HBaseConfiguration;
26  import org.apache.hadoop.hbase.HConstants;
27  import org.apache.hadoop.hbase.testclassification.SmallTests;
28  import org.junit.Test;
29  import org.junit.experimental.categories.Category;
30  
31  @Category(SmallTests.class)
32  public class TestZKConfig {
33    @Test
34    public void testZKConfigLoading() throws Exception {
35      // Test depends on test resource 'zoo.cfg' at src/test/resources/zoo.cfg
36      Configuration conf = HBaseConfiguration.create();
37      // Test that by default we do not pick up any property from the zoo.cfg
38      // since that feature is to be deprecated and removed. So we should read only
39      // from the config instance (i.e. via hbase-default.xml and hbase-site.xml)
40      conf.setInt(HConstants.ZOOKEEPER_CLIENT_PORT, 2181);
41      Properties props = ZKConfig.makeZKProps(conf);
42      Assert.assertEquals(
43          "Property client port should have been default from the HBase config",
44          "2181",
45          props.getProperty("clientPort"));
46      // Test deprecated zoo.cfg read support by explicitly enabling it and
47      // thereby relying on our test resource zoo.cfg to be read.
48      // We may remove this test after a higher release (i.e. post-deprecation).
49      conf.setBoolean(HConstants.HBASE_CONFIG_READ_ZOOKEEPER_CONFIG, true);
50      props = ZKConfig.makeZKProps(conf);
51      Assert.assertEquals(
52          "Property client port should have been from zoo.cfg",
53          "9999",
54          props.getProperty("clientPort"));
55    }
56  }