TransportServiceFactoryTest.php

<?php

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

use Drupal\Tests\BrowserTestBase;
use Symfony\Component\Mailer\Transport\NullTransport;

/**
 * Tests the transport service factory in the child site of browser tests.
 *
 * @group mailer
 */
class TransportServiceFactoryTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'mailer',
        'mailer_transport_factory_functional_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Test that the transport is set to null://null by default in the child site.
     *
     * The mailer configuration is set to a safe default during test setUp by
     * FunctionalTestSetupTrait::initConfig(). This is in order to prevent tests
     * from accidentally sending out emails. This test ensures that the transport
     * service is configured correctly in the test child site.
     */
    public function testDefaultTestMailFactory() : void {
        $response = $this->drupalGet('mailer-transport-factory-functional-test/transport-info');
        $actual = json_decode($response, TRUE);
        $expected = [
            'mailerDsn' => [
                'scheme' => 'null',
                'host' => 'null',
                'user' => NULL,
                'password' => NULL,
                'port' => NULL,
                'options' => [],
            ],
            'mailerTransportClass' => NullTransport::class,
        ];
        $this->assertEquals($expected, $actual);
    }

}