ObjectFactoryTest.java

/*
 * 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
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 */
package org.apache.aries.jndi;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

import java.util.Dictionary;
import java.util.Hashtable;
import java.util.Properties;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.StringRefAddr;
import javax.naming.spi.NamingManager;
import javax.naming.spi.ObjectFactory;

import org.apache.aries.jndi.startup.Activator;
import org.apache.aries.jndi.urls.URLObjectFactoryFinder;
import org.apache.aries.mocks.BundleContextMock;
import org.apache.aries.unittest.mocks.MethodCall;
import org.apache.aries.unittest.mocks.Skeleton;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.osgi.framework.BundleContext;
import org.osgi.service.jndi.JNDIConstants;

public class ObjectFactoryTest
{
  private Activator activator;
  private BundleContext bc;
  private Hashtable<Object,Object> env;

  /**
   * This method does the setup .
   * @throws NoSuchFieldException 
   * @throws SecurityException 
   * @throws IllegalAccessException 
   * @throws IllegalArgumentException 
   */
  @Before
  public void setup() throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException
  {
    bc =  Skeleton.newMock(new BundleContextMock(), BundleContext.class);
    activator = new Activator();
    activator.start(bc);
        
    env = new Hashtable<Object, Object>();
    env.put(JNDIConstants.BUNDLE_CONTEXT, bc);
  }

  /**
   * Make sure we clear the caches out before the next test.
   */
  @After
  public void teardown()
  {
    activator.stop(bc);
    BundleContextMock.clear();
  }

  @Test
  public void testURLReferenceWithNoMatchingHandler() throws Exception
  {
    Reference ref = new Reference(null);
    ref.add(new StringRefAddr("URL", "wibble"));
    Object obj = NamingManager.getObjectInstance(ref, null, null, env);

    assertSame("The naming manager should have returned the reference object", ref, obj);
  }

  @Test
  public void testURLReferenceWithMatchingHandler() throws Exception
  {
    String testObject = "Test object";
    ObjectFactory factory = Skeleton.newMock(ObjectFactory.class);
    Skeleton.getSkeleton(factory).setReturnValue(new MethodCall(ObjectFactory.class, "getObjectInstance", Object.class, Name.class, Context.class, Hashtable.class), testObject);

    Properties props = new Properties();
    props.setProperty("osgi.jndi.urlScheme", "wibble");

    bc.registerService(ObjectFactory.class.getName(), factory, (Dictionary) props);

    Reference ref = new Reference(null);
    ref.add(new StringRefAddr("URL", "wibble"));
    Object obj = NamingManager.getObjectInstance(ref, null, null, env);
    
    assertEquals("The naming manager should have returned the test object", testObject, obj);
  }

  @Test
  public void testURLReferenceUsingURLObjectFactoryFinder() throws Exception
  {
    String testObject = "Test object";
    URLObjectFactoryFinder factory = Skeleton.newMock(URLObjectFactoryFinder.class);
    Skeleton.getSkeleton(factory).setReturnValue(new MethodCall(ObjectFactory.class, "getObjectInstance", Object.class, Name.class, Context.class, Hashtable.class), testObject);

    bc.registerService(URLObjectFactoryFinder.class.getName(), factory, (Dictionary) new Properties());

    Reference ref = new Reference(null);
    ref.add(new StringRefAddr("URL", "wibble"));
    Object obj = NamingManager.getObjectInstance(ref, null, null, env);
    
    assertEquals("The naming manager should have returned the test object", testObject, obj);
  }

  @Test
  public void testReferenceWithNoClassName() throws Exception
  {
    String testObject = "Test object";
    ObjectFactory factory = Skeleton.newMock(ObjectFactory.class);
    Skeleton.getSkeleton(factory).setReturnValue(new MethodCall(ObjectFactory.class, "getObjectInstance", Object.class, Name.class, Context.class, Hashtable.class), testObject);

    bc.registerService(ObjectFactory.class.getName(), factory, null);

    Reference ref = new Reference(null);
    Object obj = NamingManager.getObjectInstance(ref, null, null, env);
    
    assertEquals("The naming manager should have returned the test object", testObject, obj);
  }

  @Test
  public void testSpecifiedFactoryWithMatchingFactory() throws Exception
  {
    String testObject = "Test object";
    ObjectFactory factory = Skeleton.newMock(ObjectFactory.class);
    Skeleton.getSkeleton(factory).setReturnValue(new MethodCall(ObjectFactory.class, "getObjectInstance", Object.class, Name.class, Context.class, Hashtable.class), testObject);

    Reference ref = new Reference("dummy.class.name", factory.getClass().getName(), "");

    bc.registerService(new String[] {ObjectFactory.class.getName(), factory.getClass().getName()}, 
                       factory, null);

    Object obj = NamingManager.getObjectInstance(ref, null, null, env);
    
    assertEquals("The naming manager should have returned the test object", testObject, obj);
  }

  @Test
  public void testSpecifiedFactoryWithRegisteredButNotMatchingFactory() throws Exception
  {
    String testObject = "Test object";
    ObjectFactory factory = Skeleton.newMock(ObjectFactory.class);
    Skeleton.getSkeleton(factory).setReturnValue(new MethodCall(ObjectFactory.class, "getObjectInstance", Object.class, Name.class, Context.class, Hashtable.class), testObject);

    Reference ref = new Reference("dummy.class.name", "dummy.factory.class.name", "");

    bc.registerService(new String[] {ObjectFactory.class.getName(), factory.getClass().getName()}, 
                       factory, null);

    Object obj = NamingManager.getObjectInstance(ref, null, null, env);

    assertSame("The naming manager should have returned the reference object", ref, obj);
  }

  @Test
  public void testSpecifiedFactoryWithNoMatchingFactory() throws Exception
  {
    Reference ref = new Reference("dummy.class.name");

    Object obj = NamingManager.getObjectInstance(ref, null, null, env);

    assertSame("The naming manager should have returned the reference object", ref, obj);
  }
  
  @Test
  public void testFactoriesThatDoUnsafeCastsAreIgnored() throws Exception {
    Hashtable<String, Object> props = new Hashtable<String, Object>();
    props.put("aries.object.factory.requires.reference", Boolean.TRUE);
    bc.registerService(ObjectFactory.class.getName(), new ObjectFactory() {
      
      public Object getObjectInstance(Object arg0, Name arg1, Context arg2, Hashtable<?, ?> arg3)
          throws Exception
      {
        return (Reference)arg0;
      }
    }, props);

    NamingManager.getObjectInstance("Some dummy data", null, null, env);
  }
  
  public static class DummyObjectFactory implements ObjectFactory {

        public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                Hashtable<?, ?> environment) throws Exception {
            // TODO Auto-generated method stub
            return new String ("pass");
        }
  }
      
  @Test
  public void testContextDotObjectFactories() throws Exception { 
      env.put(Context.OBJECT_FACTORIES, "org.apache.aries.jndi.ObjectFactoryTest$DummyObjectFactory");
      Reference ref = new Reference("anything");
      Object obj = NamingManager.getObjectInstance(ref, null, null, env);
      assertTrue (obj instanceof String);
      assertEquals ((String)obj, "pass");
      env.remove(Context.OBJECT_FACTORIES);
  }

}