gistfile1.php

<?php

$model = new SomeModel();
$model->setName('test');
    	
$someService = $this->getMock('\My\Service\Some');
$someService
	->expects($this->any())
	->method('getAll')
	->will($this->returnValue(array($model)));

$form = $this->getMock('\My\Form\Camera'); // extends Zend_Form which inits a bunch of form elements
$form
	->expects($this->any())
	->method('getSomeService')
	->will($this->returnValue($someService));

var_dump($form->getElements()); // --> NULL