title: Cactus versus mock objects (jMock, Easy mock)
body: <p>I'm little confused with Cactus and mock objects (jMock, Easy mock).</p>
  
  <p>Could anyone please answer the following questions?</p>
  
  <ol>
  <li>When to use Cactus for testing?</li>
  <li>When not to use Cactus for testing?</li>
  <li>When to use mock objects for testing?</li>
  <li>When not to use mock objects for testing?</li>
  </ol>