MailDsnSettingsUpdateTest.php

<?php

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

use Drupal\FunctionalTests\Update\UpdatePathTestBase;

/**
 * Tests creation of default mail transport dsn settings.
 *
 * @see system_post_update_mailer_dsn_settings()
 *
 * @group Update
 */
class MailDsnSettingsUpdateTest extends UpdatePathTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setDatabaseDumpFiles() {
        $this->databaseDumpFiles = [
            __DIR__ . '/../../../fixtures/update/drupal-9.4.0.bare.standard.php.gz',
        ];
    }
    
    /**
     * Tests system_post_update_mailer_dsn_settings().
     */
    public function testSystemPostUpdateMailerDsnSettings() : void {
        $this->runUpdates();
        // Confirm that config was created.
        $config = $this->config('system.mail');
        $expected = [
            'scheme' => 'sendmail',
            'host' => 'default',
            'user' => NULL,
            'password' => NULL,
            'port' => NULL,
            'options' => [],
        ];
        $this->assertEquals($expected, $config->get('mailer_dsn'));
    }

}