package org.apache.commons.digester3.substitution;
   
   /*
    * 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 static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import org.apache.commons.digester3.Substitutor;
  import org.junit.Before;
  import org.junit.Test;
  import org.xml.sax.Attributes;
  import org.xml.sax.helpers.AttributesImpl;
  
  public final class CompoundSubstitutorTestCase
  {
  
  
      private static class SubstitutorStub
          extends Substitutor
      {
  
          private String newBodyText;
  
          private String uri;
  
          private String localName;
  
          private String type;
  
          private String value;
  
          public SubstitutorStub( String bodyText, String uri, String localName, String type, String value )
          {
              this.newBodyText = bodyText;
              this.uri = uri;
              this.localName = localName;
              this.type = type;
              this.value = value;
          }
  
          /**
           * @see org.apache.commons.digester3.Substitutor#substitute(org.xml.sax.Attributes)
           */
          @Override
          public Attributes substitute( Attributes attributes )
          {
              AttributesImpl attribs = new AttributesImpl( attributes );
              attribs.addAttribute( uri, localName, uri + ":" + localName, type, value );
              return attribs;
          }
  
          /**
           * @see org.apache.commons.digester3.Substitutor#substitute(java.lang.String)
           */
          @Override
          public String substitute( String bodyText )
          {
              return newBodyText;
          }
  
      }
  
      private Attributes attrib;
  
      private String bodyText;
  
      @Before
      public void setUp()
      {
          AttributesImpl aImpl = new AttributesImpl();
          aImpl.addAttribute( "", "b", ":b", "", "bcd" );
          aImpl.addAttribute( "", "c", ":c", "", "cde" );
          aImpl.addAttribute( "", "d", ":d", "", "def" );
  
          attrib = aImpl;
          bodyText = "Amazing Body Text!";
      }
  
      @Test
      public void testConstructors()
      {
         try
         {
             new CompoundSubstitutor( null, null );
             fail();
         }
         catch ( IllegalArgumentException e )
         {
             // OK
         }
 
         Substitutor a = new SubstitutorStub( "XYZ", "", "a", "", "abc" );
 
         try
         {
             new CompoundSubstitutor( a, null );
             fail();
         }
         catch ( IllegalArgumentException e )
         {
             // OK
         }
 
         try
         {
             new CompoundSubstitutor( null, a );
             fail();
         }
         catch ( IllegalArgumentException e )
         {
             // OK
         }
     }
 
     @Test
     public void testChaining()
     {
         Substitutor a = new SubstitutorStub( "XYZ", "", "a", "", "abc" );
         Substitutor b = new SubstitutorStub( "STU", "", "b", "", "bcd" );
 
         Substitutor test = new CompoundSubstitutor( a, b );
 
         AttributesImpl attribFixture = new AttributesImpl( attrib );
         attribFixture.addAttribute( "", "a", ":a", "", "abc" );
         attribFixture.addAttribute( "", "b", ":b", "", "bcd" );
 
         assertTrue( areEqual( test.substitute( attrib ), attribFixture ) );
         assertEquals( test.substitute( bodyText ), "STU" );
     }
 
     private boolean areEqual( Attributes a, Attributes b )
     {
         if ( a.getLength() != b.getLength() )
         {
             return false;
         }
 
         boolean success = true;
         for ( int i = 0; i < a.getLength() && success; i++ )
         {
             success = a.getLocalName( i ).equals( b.getLocalName( i ) )
                     && a.getQName( i ).equals( b.getQName( i ) )
                     && a.getType( i ).equals( b.getType( i ) )
                     && a.getURI( i ).equals( b.getURI( i ) )
                     && a.getValue( i ).equals( b.getValue( i ) );
         }
 
         return success;
     }
 
 }