Jmock

http://www.jmock.org/

http://opensourcetips.blogspot.com/2007/11/jmock-tests.html 

package com.test.jmock; 
interface Subscriber {
    void receive(String message);
}

package com.test.jmock; 
import java.util.ArrayList; 
import java.util.List;  
import junit.framework.*; 

class Publisher { 
 List<Subscriber> list = new ArrayList<Subscriber>(); 
  
 void add(Subscriber subscriber) {
  list.add(subscriber); 
 }
 
 void publish(String message) {
  Subscriber s = list.get(0); 
  s.receive(message);
 }
}

package com.test.jmock;
import org.jmock.Mockery;
import org.jmock.Expectations;
import org.junit.*;

public class PublisherTest {
    Mockery context = new Mockery();

    @Test  
    public void testOneSubscriberReceivesAMessage() {
        // set up
        final Subscriber subscriber = context.mock(Subscriber.class);

        Publisher publisher = new Publisher();
        publisher.add(subscriber);
        
        final String message = "message";
        
        // expectations
        context.checking(new Expectations() {{
            one (subscriber).receive(message);
        }});

        // execute
        publisher.publish(message);
        
        // verify
        context.assertIsSatisfied();
    }
}

easymock 보다 좀더 네이밍이나 코딩이 명확하고 편한 편인 것 같다.

개인적으로는 mockito 보다는 jmock 에 한표,