Spring Framework example source code file (LocalStatelessSessionProxyFactoryBeanTests.java)

This example Spring Framework source code file (LocalStatelessSessionProxyFactoryBeanTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

ejb, exception, jnditemplate, jnditemplate, localstatelesssessionproxyfactorybean, localstatelesssessionproxyfactorybean, mockcontrol, mybusinessmethods, mybusinessmethods, myejb, myhome, myhome, naming, namingexception, object, reflection, servlet, string, web

The Spring Framework LocalStatelessSessionProxyFactoryBeanTests.java source code

/*
 * Copyright 2002-2008 the original author or authors.
 *
 * Licensed 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.springframework.ejb.access;

import java.lang.reflect.Proxy;

import javax.ejb.CreateException;
import javax.ejb.EJBLocalHome;
import javax.ejb.EJBLocalObject;
import javax.naming.NamingException;

import junit.framework.TestCase;
import org.easymock.MockControl;

import org.springframework.jndi.JndiTemplate;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @since 21.05.2003
 */
public class LocalStatelessSessionProxyFactoryBeanTests extends TestCase {

	public void testInvokesMethod() throws Exception {
		final int value = 11;
		final String jndiName = "foo";
		
		MockControl ec = MockControl.createControl(MyEjb.class);
		MyEjb myEjb = (MyEjb) ec.getMock();
		myEjb.getValue();
		ec.setReturnValue(value, 1);
		myEjb.remove();
		ec.setVoidCallable(1);
		ec.replay();
		
		MockControl mc = MockControl.createControl(MyHome.class);
		final MyHome home = (MyHome) mc.getMock();
		home.create();
		mc.setReturnValue(myEjb, 1);
		mc.replay();
		
		JndiTemplate jt = new JndiTemplate() {
			public Object lookup(String name) throws NamingException {
				// parameterize
				assertTrue(name.equals("java:comp/env/" + jndiName));
				return home;
			}
		};
		
		LocalStatelessSessionProxyFactoryBean fb = new LocalStatelessSessionProxyFactoryBean();
		fb.setJndiName(jndiName);
		fb.setResourceRef(true);
		fb.setBusinessInterface(MyBusinessMethods.class);
		fb.setJndiTemplate(jt);
		
		// Need lifecycle methods
		fb.afterPropertiesSet();

		MyBusinessMethods mbm = (MyBusinessMethods) fb.getObject();
		assertTrue(Proxy.isProxyClass(mbm.getClass()));
		assertTrue(mbm.getValue() == value);
		mc.verify();	
		ec.verify();	
	}
	
	public void testInvokesMethodOnEjb3StyleBean() throws Exception {
		final int value = 11;
		final String jndiName = "foo";

		MockControl ec = MockControl.createControl(MyEjb.class);
		final MyEjb myEjb = (MyEjb) ec.getMock();
		myEjb.getValue();
		ec.setReturnValue(value, 1);
		ec.replay();

		JndiTemplate jt = new JndiTemplate() {
			public Object lookup(String name) throws NamingException {
				// parameterize
				assertTrue(name.equals("java:comp/env/" + jndiName));
				return myEjb;
			}
		};

		LocalStatelessSessionProxyFactoryBean fb = new LocalStatelessSessionProxyFactoryBean();
		fb.setJndiName(jndiName);
		fb.setResourceRef(true);
		fb.setBusinessInterface(MyBusinessMethods.class);
		fb.setJndiTemplate(jt);

		// Need lifecycle methods
		fb.afterPropertiesSet();

		MyBusinessMethods mbm = (MyBusinessMethods) fb.getObject();
		assertTrue(Proxy.isProxyClass(mbm.getClass()));
		assertTrue(mbm.getValue() == value);
		ec.verify();
	}

	public void testCreateException() throws Exception {
		final String jndiName = "foo";
	
		final CreateException cex = new CreateException();
		MockControl mc = MockControl.createControl(MyHome.class);
		final MyHome home = (MyHome) mc.getMock();
		home.create();
		mc.setThrowable(cex);
		mc.replay();
	
		JndiTemplate jt = new JndiTemplate() {
			public Object lookup(String name) throws NamingException {
				// parameterize
				assertTrue(name.equals(jndiName));
				return home;
			}
		};
	
		LocalStatelessSessionProxyFactoryBean fb = new LocalStatelessSessionProxyFactoryBean();
		fb.setJndiName(jndiName);
		fb.setResourceRef(false);	// no java:comp/env prefix
		fb.setBusinessInterface(MyBusinessMethods.class);
		assertEquals(fb.getBusinessInterface(), MyBusinessMethods.class);
		fb.setJndiTemplate(jt);
	
		// Need lifecycle methods
		fb.afterPropertiesSet();

		MyBusinessMethods mbm = (MyBusinessMethods) fb.getObject();
		assertTrue(Proxy.isProxyClass(mbm.getClass()));
		
		try {
			mbm.getValue();
			fail("Should have failed to create EJB");
		}
		catch (EjbAccessException ex) {
			assertSame(cex, ex.getCause());
		}
		
		mc.verify();	
	}
	
	public void testNoBusinessInterfaceSpecified() throws Exception {
		// Will do JNDI lookup to get home but won't call create
		// Could actually try to figure out interface from create?
		final String jndiName = "foo";

		MockControl mc = MockControl.createControl(MyHome.class);
		final MyHome home = (MyHome) mc.getMock();
		mc.replay();

		JndiTemplate jt = new JndiTemplate() {
			public Object lookup(String name) throws NamingException {
				// parameterize
				assertTrue(name.equals("java:comp/env/" + jndiName));
				return home;
			} 
		};

		LocalStatelessSessionProxyFactoryBean fb = new LocalStatelessSessionProxyFactoryBean();
		fb.setJndiName(jndiName);
		fb.setResourceRef(true);
		// Don't set business interface
		fb.setJndiTemplate(jt);

		// Check it's a singleton
		assertTrue(fb.isSingleton());

		try {
			fb.afterPropertiesSet();
			fail("Should have failed to create EJB");
		}
		catch (IllegalArgumentException ex) {
			// TODO more appropriate exception?
			assertTrue(ex.getMessage().indexOf("businessInterface") != 1);
		}

		// Expect no methods on home
		mc.verify();	
	}
	
	
	public static interface MyHome extends EJBLocalHome {

		MyBusinessMethods create() throws CreateException;
	}


	public static interface MyBusinessMethods  {

		int getValue();
	}


	public static interface MyEjb extends EJBLocalObject, MyBusinessMethods {
	}

}