    1   /*
    2    * Copyright 2001-2004 The Apache Software Foundation.
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License")
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16
    17  package org.apache.commons.configuration;
    18
    19  import junit.framework.TestCase;
    20
    21  /***
    22   * Tests the StrintConfigurationComparator class
    23   *
    24   * @version $Revision: 1.4 $, $Date: 2004/06/22 09:56:38 $
    25   */
    26  public class TestStrictConfigurationComparator extends TestCase
    27  {
    28      /***
    29       * The comparator.
    30       */
    31      protected ConfigurationComparator comparator = new StrictConfigurationComparator();
    32
    33      /***
    34       * The first configuration.
    35       */
    36      protected Configuration configuration = new BaseConfiguration();
    37
    38      /***
    39       * Tests the comparator.
    40       */
    41      public void testCompare()
    42      {
    43          // Identity comparison for empty configuration
    44          assertTrue(
    45              "Compare an empty configuration with itself",
    46              comparator.compare(configuration, configuration));
    47
    48          configuration.setProperty("one", "1");
    49          configuration.setProperty("two", "2");
    50          configuration.setProperty("three", "3");
    51
    52          // Identify comparison for non-empty configuration
    53          assertTrue(
    54              "Compare a configuration with itself",
    55              comparator.compare(configuration, configuration));
    56
    57          // Create the second configuration
    58          Configuration other = new BaseConfiguration();
    59          assertFalse(
    60              "Compare a configuration with an empty one",
    61              comparator.compare(configuration, other));
    62
    63          other.setProperty("one", "1");
    64          other.setProperty("two", "2");
    65          other.setProperty("three", "3");
    66
    67          // Two identical, non-empty configurations
    68          assertTrue(
    69              "Compare a configuration with an identical one",
    70              comparator.compare(configuration, other));
    71
    72          other.setProperty("four", "4");
    73          assertFalse(
    74              "Compare our configuration with another that has an additional key mapping",
    75              comparator.compare(configuration, other));
    76
    77          configuration.setProperty("four", "4");
    78          assertTrue(
    79              "Compare our configuration with another that is identical",
    80              comparator.compare(configuration, other));
    81      }
    82
    83      public void testCompareNull()
    84      {
    85          assertTrue(comparator.compare(null, null));
    86          assertFalse(comparator.compare(configuration, null));
    87          assertFalse(comparator.compare(null, configuration));
    88      }
    89  }