hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestConfigurationUtil.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.util;
  19
  20 import static org.junit.Assert.assertEquals;
  21 import static org.junit.Assert.assertNull;
  22
  23 import java.util.List;
  24 import java.util.Map;
  25 import org.apache.hadoop.conf.Configuration;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.testclassification.SmallTests;
  28 import org.junit.Before;
  29 import org.junit.ClassRule;
  30 import org.junit.Test;
  31 import org.junit.experimental.categories.Category;
  32
  33 import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;
  34 import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
  35
  36 @Category({ SmallTests.class })
  37 public class TestConfigurationUtil {
  38
  39   @ClassRule
  40   public static final HBaseClassTestRule CLASS_RULE =
  41       HBaseClassTestRule.forClass(TestConfigurationUtil.class);
  42
  43   private Configuration conf;
  44   private Map<String, String> keyValues;
  45   private String key;
  46
  47   @Before
  48   public void setUp() throws Exception {
  49     this.conf = new Configuration();
  50     this.keyValues = ImmutableMap.of("k1", "v1", "k2", "v2");
  51     this.key = "my_conf_key";
  52   }
  53
  54   public void callSetKeyValues() {
  55     ConfigurationUtil.setKeyValues(conf, key, keyValues.entrySet());
  56   }
  57
  58   public List<Map.Entry<String, String>> callGetKeyValues() {
  59     return ConfigurationUtil.getKeyValues(conf, key);
  60   }
  61
  62   @Test
  63   public void testGetAndSetKeyValuesWithValues() throws Exception {
  64     callSetKeyValues();
  65     assertEquals(Lists.newArrayList(this.keyValues.entrySet()), callGetKeyValues());
  66   }
  67
  68   @Test
  69   public void testGetKeyValuesWithUnsetKey() throws Exception {
  70     assertNull(callGetKeyValues());
  71   }
  72
  73 }