/* $Id: TestRuleInfo.java 1102402 2011-05-12 18:03:26Z simonetripodi $
    *
    * 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.commons.digester3.plugins;
  
  import static org.junit.Assert.*;
  
  import java.util.List;
  
  import org.apache.commons.digester3.Digester;
  import org.apache.commons.digester3.plugins.PluginCreateRule;
  import org.apache.commons.digester3.plugins.PluginDeclarationRule;
  import org.apache.commons.digester3.plugins.PluginRules;
  import org.junit.Test;
  
  /**
   * Test cases for the declaration of custom rules for a plugin using a separate class to define the rules.
   */
  
  public class TestRuleInfo
  {
  
      // --------------------------------------------------------------- Test cases
      @Test
      public void testRuleInfoExplicitClass()
          throws Exception
      {
          // * tests that custom rules can be declared on a
          // separate class by explicitly declaring the rule class.
  
          Digester digester = new Digester();
          PluginRules rc = new PluginRules();
          digester.setRules( rc );
  
          PluginDeclarationRule pdr = new PluginDeclarationRule();
          digester.addRule( "root/plugin", pdr );
  
          PluginCreateRule pcr = new PluginCreateRule( Widget.class );
          digester.addRule( "root/widget", pcr );
          digester.addSetNext( "root/widget", "addChild" );
  
          Container root = new Container();
          digester.push( root );
  
          try
          {
              digester.parse( Utils.getInputStream( this, "test5a.xml" ) );
          }
          catch ( Exception e )
          {
              throw e;
          }
  
          Object child;
          List<Widget> children = root.getChildren();
          assertNotNull( children );
          assertEquals( 1, children.size() );
  
          child = children.get( 0 );
          assertNotNull( child );
          assertEquals( TextLabel2.class, child.getClass() );
          TextLabel2 label = (TextLabel2) child;
  
          // id should not be mapped, label should
          assertEquals( "anonymous", label.getId() );
          assertEquals( "std label", label.getLabel() );
      }
  
      @Test
      public void testRuleInfoExplicitMethod()
          throws Exception
      {
          // * tests that custom rules can be declared on a
          // separate class by explicitly declaring the rule class.
          // and explicitly declaring the rule method name.
  
          Digester digester = new Digester();
          PluginRules rc = new PluginRules();
          digester.setRules( rc );
  
          PluginDeclarationRule pdr = new PluginDeclarationRule();
          digester.addRule( "root/plugin", pdr );
  
          PluginCreateRule pcr = new PluginCreateRule( Widget.class );
         digester.addRule( "root/widget", pcr );
         digester.addSetNext( "root/widget", "addChild" );
 
         Container root = new Container();
         digester.push( root );
 
         try
         {
             digester.parse( Utils.getInputStream( this, "test5b.xml" ) );
         }
         catch ( Exception e )
         {
             throw e;
         }
 
         Object child;
         List<Widget> children = root.getChildren();
         assertNotNull( children );
         assertEquals( 1, children.size() );
 
         child = children.get( 0 );
         assertNotNull( child );
         assertEquals( TextLabel2.class, child.getClass() );
         TextLabel2 label = (TextLabel2) child;
 
         // id should not be mapped, altlabel should
         assertEquals( "anonymous", label.getId() );
         assertEquals( "alt label", label.getLabel() );
     }
 
     @Test
     public void testRuleInfoAutoDetect()
         throws Exception
     {
         // * tests that custom rules can be declared on a
         // separate class with name {plugin-class}RuleInfo,
         // and they are automatically detected and loaded.
 
         Digester digester = new Digester();
         PluginRules rc = new PluginRules();
         digester.setRules( rc );
 
         PluginDeclarationRule pdr = new PluginDeclarationRule();
         digester.addRule( "root/plugin", pdr );
 
         PluginCreateRule pcr = new PluginCreateRule( Widget.class );
         digester.addRule( "root/widget", pcr );
         digester.addSetNext( "root/widget", "addChild" );
 
         Container root = new Container();
         digester.push( root );
 
         try
         {
             digester.parse( Utils.getInputStream( this, "test5c.xml" ) );
         }
         catch ( Exception e )
         {
             throw e;
         }
 
         Object child;
         List<Widget> children = root.getChildren();
         assertNotNull( children );
         assertEquals( 1, children.size() );
 
         child = children.get( 0 );
         assertNotNull( child );
         assertEquals( TextLabel2.class, child.getClass() );
         TextLabel2 label = (TextLabel2) child;
 
         // id should not be mapped, label should
         assertEquals( "anonymous", label.getId() );
         assertEquals( "std label", label.getLabel() );
     }
 }