function testPerformFailedNoView()
  {
    $command = new DisplayViewCommand();

    $this->toolkit->expectOnce('getView');
    $this->toolkit->setReturnValue('getView', null);

    die_on_error(false);
    $command->perform();
    $this->assertTrue(catch_error('LimbException', $e));
    die_on_error();
  }
  function testPerformFailedNoView()
  {
    $command = new DisplayViewCommand();

    $this->toolkit->expectOnce('getView');
    $this->toolkit->setReturnValue('getView', null);

    try
    {
      $command->perform();
      $this->assertTrue(false);
    }
    catch(LimbException $e)
    {
    }
  }
 function performRender()
 {
     include_once LIMB_DIR . '/core/commands/DisplayViewCommand.class.php';
     $command = new DisplayViewCommand();
     return $command->perform();
 }