/**
* @param string $locale
* @dataProvider switchBackendInterfaceLocaleDataProvider
* @covers \Magento\Backend\Model\Locale\Manager::switchBackendInterfaceLocale
*/
public function testSwitchBackendInterfaceLocale($locale)
{
$this->_model->switchBackendInterfaceLocale($locale);
$userInterfaceLocale = $this->_authSession->getUser()->getInterfaceLocale();
$this->assertEquals($userInterfaceLocale, $locale);
$sessionLocale = $this->_session->getSessionLocale();
$this->assertEquals($sessionLocale, null);
}
/**
* Set locale
*
* @param string $locale
* @return $this
*/
public function setLocale($locale = null)
{
$forceLocale = $this->_request->getParam('locale', null);
if (!$this->_localeValidator->isValid($forceLocale)) {
$forceLocale = false;
}
$sessionLocale = $this->_session->getSessionLocale();
$userLocale = $this->_localeManager->getUserInterfaceLocale();
$localeCodes = array_filter([$forceLocale, $sessionLocale, $userLocale]);
if (count($localeCodes)) {
$locale = reset($localeCodes);
}
return parent::setLocale($locale);
}
