LegacySessionTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Functional\Session;

use Drupal\Tests\BrowserTestBase;

/**
 * Drupal legacy session handling tests.
 *
 * @group legacy
 * @group Session
 */
class LegacySessionTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'session_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests data persistence via the session_test module callbacks.
     */
    public function testLegacyDataPersistence() : void {
        $this->expectDeprecation('Storing values directly in $_SESSION is deprecated in drupal:11.2.0 and will become unsupported in drupal:12.0.0. Use $request-&gt;getSession()-&gt;set() instead. Affected keys: legacy_test_value. See https://www.drupal.org/node/3518527');
        $value = $this->randomMachineName();
        // Verify that the session value is stored.
        $this->drupalGet('session-test/legacy-set/' . $value);
        $this->assertSession()
            ->pageTextContains($value);
        // Verify that the session correctly returned the stored data for an
        // authenticated user.
        $this->drupalGet('session-test/legacy-get');
        $this->assertSession()
            ->pageTextContains($value);
    }

}