package org.apache.maven.archetype.ui.generation;
   
   /*
    * 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.
   */
  
  import junit.framework.TestCase;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.maven.archetype.ui.ArchetypeConfiguration;
  
  public class RequiredPropertyComparatorTest
      extends TestCase
  {
      private DefaultArchetypeGenerationConfigurator.RequiredPropertyComparator requiredPropertyComparator;
  
      private ArchetypeConfiguration archetypeConfiguration;
  
      @Override
      public void setUp()
          throws Exception
      {
          archetypeConfiguration = new ArchetypeConfiguration();
          requiredPropertyComparator =
              new DefaultArchetypeGenerationConfigurator.RequiredPropertyComparator( archetypeConfiguration );
      }
  
      public void testShouldOrderPropertiesWhenReferringEachOther()
      {
          archetypeConfiguration.addRequiredProperty( "prop1" );
          archetypeConfiguration.setDefaultProperty( "prop1", "${prop2}" );
          archetypeConfiguration.addRequiredProperty( "prop2" );
          archetypeConfiguration.setDefaultProperty( "prop2", "prop2 default value" );
  
          List<String> requiredProperties = archetypeConfiguration.getRequiredProperties();
          assertEquals( Arrays.asList( "prop1", "prop2" ), requiredProperties );
          Collections.sort( requiredProperties, requiredPropertyComparator );
          assertEquals( Arrays.asList( "prop2", "prop1" ), requiredProperties );
      }
  
      public void testShouldOrderPropertiesWhenReferringEachOther2()
      {
          archetypeConfiguration.addRequiredProperty( "prop1" );
          archetypeConfiguration.setDefaultProperty( "prop1", "${prop2}" );
          archetypeConfiguration.addRequiredProperty( "prop2" );
  
          List<String> requiredProperties = archetypeConfiguration.getRequiredProperties();
          assertEquals( Arrays.asList( "prop1", "prop2" ), requiredProperties );
          Collections.sort( requiredProperties, requiredPropertyComparator );
          assertEquals( Arrays.asList( "prop2", "prop1" ), requiredProperties );
      }
  }