/**
* Access/load helpers from the tests. Helper class name should be like "TestScope_HelperName"
*
* @param string $testScope Part of the helper class name which refers to the file with the needed helper
*
* @return object
* @throws UnexpectedValueException
*/
protected function _loadHelper($testScope)
{
if (empty($testScope)) {
throw new UnexpectedValueException('Helper name can\'t be empty');
}
$helpers = $this->_testConfig->getTestHelperClassNames();
if (!isset($helpers[ucwords($testScope)])) {
throw new UnexpectedValueException('Cannot load helper "' . $testScope . '"');
}
$helperClassName = $helpers[ucwords($testScope)];
if (!isset(self::$_testHelpers[$helperClassName])) {
if (class_exists($helperClassName)) {
self::$_testHelpers[$helperClassName] = new $helperClassName();
} else {
return false;
}
}
if (self::$_testHelpers[$helperClassName] instanceof Mage_Selenium_TestCase) {
foreach (get_object_vars($this) as $name => $value) {
self::$_testHelpers[$helperClassName]->{$name} = $value;
}
}
return self::$_testHelpers[$helperClassName];
}
