    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.configuration.event;
    18
    19  import java.util.ArrayList;
    20  import java.util.Collection;
    21
    22  import org.apache.commons.configuration.AbstractConfiguration;
    23  import org.apache.commons.configuration.HierarchicalConfiguration;
    24  import org.apache.commons.configuration.tree.DefaultConfigurationNode;
    25
    26  /***
    27   * Test class for the events generated by hierarchical configurations.
    28   *
    29   * @version $Id: TestHierarchicalConfigurationEvents.java 439648 2006-09-02 20:42:10Z oheger $
    30   */
    31  public class TestHierarchicalConfigurationEvents extends
    32          AbstractTestConfigurationEvents
    33  {
    34      protected AbstractConfiguration createConfiguration()
    35      {
    36          return new HierarchicalConfiguration();
    37      }
    38
    39      /***
    40       * Tests events generated by the clearTree() method.
    41       */
    42      public void testClearTreeEvent()
    43      {
    44          HierarchicalConfiguration hc = (HierarchicalConfiguration) config;
    45          String key = EXIST_PROPERTY.substring(0, EXIST_PROPERTY.indexOf('.'));
    46          Collection nodes = hc.getExpressionEngine()
    47                  .query(hc.getRootNode(), key);
    48          hc.clearTree(key);
    49          l.checkEvent(HierarchicalConfiguration.EVENT_CLEAR_TREE, key, null,
    50                  true);
    51          l.checkEvent(HierarchicalConfiguration.EVENT_CLEAR_TREE, key, nodes,
    52                  false);
    53          l.done();
    54      }
    55
    56      /***
    57       * Tests events generated by the addNodes() method.
    58       */
    59      public void testAddNodesEvent()
    60      {
    61          HierarchicalConfiguration hc = (HierarchicalConfiguration) config;
    62          Collection nodes = new ArrayList(1);
    63          nodes.add(new DefaultConfigurationNode("a_key", TEST_PROPVALUE));
    64          hc.addNodes(TEST_PROPNAME, nodes);
    65          l.checkEvent(HierarchicalConfiguration.EVENT_ADD_NODES, TEST_PROPNAME,
    66                  nodes, true);
    67          l.checkEvent(HierarchicalConfiguration.EVENT_ADD_NODES, TEST_PROPNAME,
    68                  nodes, false);
    69          l.done();
    70      }
    71
    72      /***
    73       * Tests events generated by addNodes() when the list of nodes is empty. In
    74       * this case no events should be generated.
    75       */
    76      public void testAddNodesEmptyEvent()
    77      {
    78          ((HierarchicalConfiguration) config).addNodes(TEST_PROPNAME,
    79                  new ArrayList());
    80          l.done();
    81      }
    82  }