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<?php
declare(strict_types=1);
namespace Drupal\Tests\language\Functional;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\BrowserTestBase;
/**
* Tests the session language negotiation method.
*
* @group language
*/
class LanguageNegotiationSessionTest extends BrowserTestBase {
/**
* An administrative user to configure the test environment.
*
* @var \Drupal\user\Entity\User
*/
protected $adminUser;
/**
* {@inheritdoc}
*/
protected static $modules = ['language'];
/**
* {@inheritdoc}
*/
protected $defaultTheme = 'stark';
/**
* {@inheritdoc}
*/
protected function setUp(): void {
parent::setUp();
// Create a new user with permission to manage the languages.
$this->adminUser = $this->drupalCreateUser(['administer languages']);
$this->drupalLogin($this->adminUser);
ConfigurableLanguage::createFromLangcode('fr')->save();
}
/**
* Tests language negotiation via query/session parameters.
*/
public function testSessionLanguageNegotiationMethod(): void {
// Enable Session and Selected language for interface language detection.
$this->drupalGet('admin/config/regional/language/detection');
$edit = [
'language_interface[enabled][language-session]' => 1,
'language_interface[enabled][language-selected]' => 1,
'language_interface[weight][language-session]' => -6,
'language_interface[weight][language-selected]' => 12,
];
$this->submitForm($edit, 'Save settings');
// Set language via query parameter.
$this->drupalGet('user/' . $this->adminUser->id(), ['query' => ['language' => 'fr']]);
$this->assertSession()->statusCodeEquals(200);
$this->assertSession()->responseHeaderEquals('Content-language', 'fr');
// Verify that the language is persisted in the session.
$this->drupalGet('user/' . $this->adminUser->id());
$this->assertSession()->statusCodeEquals(200);
$this->assertSession()->responseHeaderEquals('Content-language', 'fr');
// Set language via query parameter.
$this->drupalGet('user/' . $this->adminUser->id(), ['query' => ['language' => 'en']]);
$this->assertSession()->statusCodeEquals(200);
$this->assertSession()->responseHeaderEquals('Content-language', 'en');
// Verify that the language is persisted in the session.
$this->drupalGet('admin/config/regional/language');
$this->assertSession()->statusCodeEquals(200);
$this->assertSession()->responseHeaderEquals('Content-language', 'en');
}
}
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