public function testAssetRegister()
 {
     $view = Yii::$app->getView();
     $this->assertEmpty($view->assetBundles);
     RadioButtonGroupAsset::register($view);
     $this->assertEquals(4, count($view->assetBundles));
     $this->assertArrayHasKey('yii\\web\\JqueryAsset', $view->assetBundles);
     $this->assertTrue($view->assetBundles['webtoolsnz\\widgets\\RadioButtonGroupAsset'] instanceof AssetBundle);
     $content = $view->renderFile('@tests/views/layouts/raw.php');
     $this->assertContains('bootstrap.css', $content);
     $this->assertContains('radio-button-group.css', $content);
     $this->assertContains('bootstrap.js', $content);
     $this->assertContains('radio-button-group.js', $content);
 }
 /**
  * Registers widget assets
  */
 protected function registerClientScript()
 {
     $view = $this->getView();
     RadioButtonGroupAsset::register($view);
     $id = $this->widgetId;
     $options = Json::encode($this->itemOptions);
     $js[] = "jQuery('#{$id}').radioButtonGroup({$options});";
     $view->registerJs(implode("\n", $js));
 }