cvs commit: spice/sandbox/metaclass/src/test/org/realityforge/metaclass/introspector CachingMetaClassAccessorTestCase.java

donaldp     03/10/27 22:40:56

  Added:       sandbox/metaclass/src/test/org/realityforge/metaclass/introspector
                        CachingMetaClassAccessorTestCase.java
  Log:
  Rewrite registry as a CachingMetaClassAccessor as thats all we really need.
  
  Revision  Changes    Path
  1.1                  spice/sandbox/metaclass/src/test/org/realityforge/metaclass/introspector/CachingMetaClassAccessorTestCase.java
  
  Index: CachingMetaClassAccessorTestCase.java
  ===================================================================
  /*
   * Copyright (C) The Spice Group. All rights reserved.
   *
   * This software is published under the terms of the Spice
   * Software License version 1.1, a copy of which has been included
   * with this distribution in the LICENSE.txt file.
   */
  package org.realityforge.metaclass.introspector;
  
  import junit.framework.TestCase;
  import org.realityforge.metaclass.model.Attribute;
  import org.realityforge.metaclass.model.ClassDescriptor;
  import org.realityforge.metaclass.model.FieldDescriptor;
  import org.realityforge.metaclass.model.MethodDescriptor;
  
  /**
   *
   * @author <a href="mailto:peter at realityforge.org">Peter Donald</a>
   * @version $Revision: 1.1 $ $Date: 2003/10/28 06:40:56 $
   */
  public class CachingMetaClassAccessorTestCase
     extends TestCase
  {
     public void testGetNonExistent()
        throws Exception
     {
        final CachingMetaClassAccessor accessor = new CachingMetaClassAccessor();
        try
        {
           accessor.getClassDescriptor( "NoExist", getClass().getClassLoader() );
        }
        catch ( final MetaClassException mce )
        {
           assertEquals( "mce.getMessage()",
                         "Missing Attributes for NoExist",
                         mce.getMessage() );
           return;
        }
        fail( "Expected to fail to get non-existent descriptor" );
     }
  
     public void testGetExistent()
        throws Exception
     {
        final CachingMetaClassAccessor accessor = new CachingMetaClassAccessor();
        final ClassDescriptor descriptor =
           new ClassDescriptor( "MyClass",
                                Attribute.EMPTY_SET,
                                FieldDescriptor.EMPTY_SET,
                                MethodDescriptor.EMPTY_SET );
        final ClassLoader classLoader = getClass().getClassLoader();
        accessor.registerDescriptor( descriptor, classLoader );
        final ClassDescriptor result = accessor.getClassDescriptor( "MyClass", classLoader );
        assertEquals( "descriptor", descriptor, result );
     }
  
     public void testGetExistentThenClear()
        throws Exception
     {
        final CachingMetaClassAccessor accessor = new CachingMetaClassAccessor();
        final ClassDescriptor descriptor =
           new ClassDescriptor( "MyClass",
                                Attribute.EMPTY_SET,
                                FieldDescriptor.EMPTY_SET,
                                MethodDescriptor.EMPTY_SET );
        final ClassLoader classLoader = getClass().getClassLoader();
        accessor.registerDescriptor( descriptor, classLoader );
        final ClassDescriptor result = accessor.getClassDescriptor( "MyClass", classLoader );
        assertEquals( "descriptor", descriptor, result );
  
        try
        {
           accessor.getClassDescriptor( "MyClass", classLoader );
        }
        catch ( final MetaClassException mce )
        {
           assertEquals( "mce.getMessage()",
                         "Missing Attributes for MyClass",
                         mce.getMessage() );
           return;
        }
     }
  
     public void testRegisterMultipleInSameClassLoader()
        throws Exception
     {
        final CachingMetaClassAccessor accessor = new CachingMetaClassAccessor();
        final ClassDescriptor descriptor1 =
           new ClassDescriptor( "MyClass",
                                Attribute.EMPTY_SET,
                                FieldDescriptor.EMPTY_SET,
                                MethodDescriptor.EMPTY_SET );
        final ClassDescriptor descriptor2 =
           new ClassDescriptor( "MyClass2",
                                Attribute.EMPTY_SET,
                                FieldDescriptor.EMPTY_SET,
                                MethodDescriptor.EMPTY_SET );
        final ClassLoader classLoader = getClass().getClassLoader();
        accessor.registerDescriptor( descriptor1, classLoader );
        accessor.registerDescriptor( descriptor2, classLoader );
        final ClassDescriptor result1 =
           accessor.getClassDescriptor( "MyClass", classLoader );
        assertEquals( "descriptor1", descriptor1, result1 );
        final ClassDescriptor result2 =
           accessor.getClassDescriptor( "MyClass2", classLoader );
        assertEquals( "descriptor2", descriptor2, result2 );
     }
  
     public void testNullDescriptorPassedToRegisterDescriptor()
        throws Exception
     {
        final CachingMetaClassAccessor accessor = new CachingMetaClassAccessor();
        try
        {
           accessor.registerDescriptor( null, getClass().getClassLoader() );
        }
        catch ( final NullPointerException npe )
        {
           assertEquals( "npe.getMessage()", "descriptor", npe.getMessage() );
           return;
        }
        fail( "Expected to fail due to null Descriptor passed into RegisterDescriptor" );
     }
  
     public void testNullClassLoaderPassedToRegisterDescriptor()
        throws Exception
     {
        final ClassDescriptor descriptor =
           new ClassDescriptor( "MyClass2",
                                Attribute.EMPTY_SET,
                                FieldDescriptor.EMPTY_SET,
                                MethodDescriptor.EMPTY_SET );
        final CachingMetaClassAccessor accessor = new CachingMetaClassAccessor();
        try
        {
           accessor.registerDescriptor( descriptor, null );
        }
        catch ( final NullPointerException npe )
        {
           assertEquals( "npe.getMessage()", "classLoader", npe.getMessage() );
           return;
        }
        fail( "Expected to fail due to null classLoader passed into RegisterDescriptor" );
     }
  }
  
  
  


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