Fix configfile tests

src/Compiler/Configfile.php

@@ -140,8 +140,8 @@ class Configfile extends BaseCompiler {
 			date("Y-m-d H:i:s"),
 			str_replace('*/', '* /', $this->template->source->filepath)
 		);
-		$code = '<?php $_smarty_tpl->assignConfigVars(' .
-			var_export($this->config_data, true) . '); ?>';
+		$code = '<?php $_smarty_tpl->parent->assignConfigVars(' .
+			var_export($this->config_data, true) . ', $_smarty_tpl->getValue("sections")); ?>';
 		return $template_header . $this->template->createCodeFrame($code);
 	}
 

src/Data.php

@@ -2,6 +2,8 @@
 
 namespace Smarty;
 
+use Smarty\Template\Config;
+
 /**
  * Smarty Internal Plugin Data
  * This file contains the basic properties and methods for holding config and template variables
@@ -247,23 +249,21 @@ abstract class Data
 	 *
 	 * @param array $new_config_vars
 	 */
-	public function assignConfigVars($new_config_vars) {
+	public function assignConfigVars($new_config_vars, array $sections = []) {
 
 		// copy global config vars
 		foreach ($new_config_vars['vars'] as $variable => $value) {
-			if ($this->smarty->config_overwrite || !isset($this->config_vars[$variable])) {
+			if ($this->_getSmartyObj()->config_overwrite || !isset($this->config_vars[$variable])) {
 				$this->config_vars[$variable] = $value;
 			} else {
 				$this->config_vars[$variable] = array_merge((array)$this->config_vars[$variable], (array)$value);
 			}
 		}
-		// scan sections
-		$sections = $this->source->config_sections;
-		if (!empty($sections)) {
-			foreach ((array)$sections as $tpl_section) {
+
+		foreach ($sections as $tpl_section) {
 			if (isset($new_config_vars['sections'][$tpl_section])) {
 				foreach ($new_config_vars['sections'][$tpl_section]['vars'] as $variable => $value) {
-						if ($this->smarty->config_overwrite || !isset($this->config_vars[$variable])) {
+					if ($this->_getSmartyObj()->config_overwrite || !isset($this->config_vars[$variable])) {
 						$this->config_vars[$variable] = $value;
 					} else {
 						$this->config_vars[$variable] = array_merge((array)$this->config_vars[$variable], (array)$value);
@@ -272,7 +272,6 @@ abstract class Data
 			}
 		}
 	}
-	}
 
     /**
      * Get Smarty object
@@ -390,43 +389,23 @@ abstract class Data
 	 * @param string $config_file filename
 	 * @param mixed                                                   $sections    array of section names, single
 	 *                                                                             section or null
-	 *
-	 * @return $this
-	 * @throws \Exception
-	 *@api  Smarty::configLoad()
-	 * @link https://www.smarty.net/docs/en/api.config.load.tpl
-	 *
-	 */
-	public function configLoad($config_file, $sections = null)
-	{
-		$this->_loadConfigfile($config_file, $sections);
-		return $this;
-	}
 
-	/**
-	 * load a config file, optionally load just selected sections
-	 *
-	 * @param string $config_file filename
-	 * @param mixed                                                   $sections    array of section names, single
-	 *                                                                             section or null
-
-	 * @returns Template
+	 * @returns $this
 	 * @throws \Exception
 	 * @link https://www.smarty.net/docs/en/api.config.load.tpl
 	 *
 	 * @api  Smarty::configLoad()
 	 */
-	protected function _loadConfigfile($config_file, $sections = null)
+	public function configLoad($config_file, $sections = null)
 	{
 		$smarty = $this->_getSmartyObj();
-
-		$confObj = new Template($config_file, $smarty, $this, null, null, null, null, true);
-		$confObj->caching = Smarty::CACHING_OFF;
-		$confObj->source->config_sections = $sections;
-		$confObj->compiled = \Smarty\Template\Compiled::load($confObj);
-		$confObj->compiled->render($confObj);
-		return $confObj;
+		$template = new Template($config_file, $smarty, $this, null, null, null, null, true);
+		$template->caching = Smarty::CACHING_OFF;
+		$template->assign('sections', (array) $sections ?? []);
+		// trigger a call to $this->assignConfigVars
+		$template->compiled = \Smarty\Template\Compiled::load($template);
+		$template->compiled->render($template);
+		return $this;
 	}
 
-
 }

src/Template.php

@@ -693,9 +693,9 @@ class Template extends TemplateBase {
 	/**
 	 * @inheritdoc
 	 */
-	protected function _loadConfigfile($config_file, $sections = null)
+	public function configLoad($config_file, $sections = null)
 	{
-		$confObj = parent::_loadConfigfile($config_file, $sections);
+		$confObj = parent::configLoad($config_file, $sections);
 
 		$this->compiled->file_dependency[ $confObj->source->uid ] =
 			array($confObj->source->filepath, $confObj->source->getTimeStamp(), $confObj->source->type);

src/Template/Config.php

@@ -14,13 +14,6 @@ use Smarty\Exception;
  */
 class Config extends Source {
 
-	/**
-	 * array of section names, single section or null
-	 *
-	 * @var null|string|array
-	 */
-	public $config_sections = null;
-
 	/**
 	 * Flag that source is a config file
 	 *