content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.distributedlog.util;
  
  import static org.junit.Assert.assertEquals;
  
  import org.apache.commons.configuration2.CompositeConfiguration;
  import org.apache.commons.configuration2.Configuration;
  import org.junit.Test;
  
  
  /**
   * Test Case for {@link Configuration}s.
   */
  public class TestConfUtils {
  
      @Test(timeout = 60000)
      public void testLoadConfiguration() {
          Configuration conf1 = new CompositeConfiguration();
          conf1.setProperty("key1", "value1");
          conf1.setProperty("key2", "value2");
          conf1.setProperty("key3", "value3");
  
          Configuration conf2 = new CompositeConfiguration();
          conf2.setProperty("bkc.key1", "bkc.value1");
          conf2.setProperty("bkc.key4", "bkc.value4");
  
          assertEquals("value1", conf1.getString("key1"));
          assertEquals("value2", conf1.getString("key2"));
          assertEquals("value3", conf1.getString("key3"));
          assertEquals(null, conf1.getString("key4"));
  
          ConfUtils.loadConfiguration(conf1, conf2, "bkc.");
  
          assertEquals("bkc.value1", conf1.getString("key1"));
          assertEquals("value2", conf1.getString("key2"));
          assertEquals("value3", conf1.getString("key3"));
          assertEquals("bkc.value4", conf1.getString("key4"));
          assertEquals(null, conf1.getString("bkc.key1"));
          assertEquals(null, conf1.getString("bkc.key4"));
      }
  }
  