public function test()
 {
     $container = new Container();
     $c1 = new DataView('1');
     $c2 = new DataView('2');
     $container->children()->set([$c1, $c2]);
     self::assertEquals('12', $container->render());
 }
 /**
  * Renders component and returns output.
  *
  * @return string
  */
 public function render()
 {
     $out = '';
     foreach ($this->getData() as $row) {
         $this->injectData($row);
         $out .= parent::render();
     }
     return $out;
 }