RedBeanPHP\Facade::findOne PHP Method

    public static function findOne($type, $sql = NULL, $bindings = array())
    {
        return self::$finder->findOne($type, $sql, $bindings);
    }

 /**
  * Test whether we can override the getModelForBean() method
  * of the BeanHelper and use a custom BeanHelper to attach a model
  * based on type.
  *
  * @return void
  */
 public function testCustomBeanHelper()
 {
     $customBeanHelper = new \SoupBeanHelper(R::getToolbox());
     $oldBeanHelper = R::getRedBean()->getBeanHelper();
     asrt($oldBeanHelper instanceof SimpleFacadeBeanHelper, TRUE);
     R::getRedBean()->setBeanHelper($customBeanHelper);
     $meal = R::dispense('meal');
     asrt($meal->box() instanceof \Model_Soup, TRUE);
     $cake = R::dispense('cake');
     asrt(is_null($cake->box()), TRUE);
     $bean = R::dispense('coffee');
     asrt($bean->box() instanceof \Model_Coffee, TRUE);
     $meal->setFlavour('tomato');
     asrt($meal->getFlavour(), 'tomato');
     $meal->rating = 5;
     R::store($meal);
     asrt($meal->getFlavour(), 'tomato');
     $meal = $meal->unbox();
     asrt($meal->getFlavour(), 'tomato');
     $meal = R::findOne('meal');
     asrt($meal->box() instanceof \Model_Soup, TRUE);
     asrt($meal->getFlavour(), '');
     $meal->setFlavour('tomato');
     asrt($meal->getFlavour(), 'tomato');
     $meal = $meal->unbox();
     asrt($meal->getFlavour(), 'tomato');
     R::getRedBean()->setBeanHelper($oldBeanHelper);
 }