SmsmodeTransport example

$scheme = $dsn->getScheme();

        if (self::TRANSPORT_SCHEME !== $scheme) {
            throw new UnsupportedSchemeException($dsn, self::TRANSPORT_SCHEME, $this->getSupportedSchemes());
        }

        $apiKey = $this->getUser($dsn);
        $from = $dsn->getRequiredOption('from');
        $host = 'default' === $dsn->getHost() ? null : $dsn->getHost();
        $port = $dsn->getPort();

        return (new SmsmodeTransport($apiKey, $from, $this->client, $this->dispatcher))->setHost($host)->setPort($port);
    }

    protected function getSupportedSchemes(): array
    {
        return [self::TRANSPORT_SCHEME];
    }
}

use Symfony\Component\Notifier\Message\ChatMessage;
use Symfony\Component\Notifier\Message\SmsMessage;
use Symfony\Component\Notifier\Test\TransportTestCase;
use Symfony\Component\Notifier\Tests\Transport\DummyMessage;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;

final class SmsmodeTransportTest extends TransportTestCase
{
    public static function createTransport(HttpClientInterface $client = null, string $from = 'test_from'): SmsmodeTransport
    {
        return new SmsmodeTransport('test_api_key', $from, $client ?? new MockHttpClient());
    }

    public static function invalidFromProvider(): iterable
    {
        yield 'sender number too send' => ['aaaaaaaaaaaa'];
    }

    public static function supportedMessagesProvider(): iterable
    {
        yield [new SmsMessage('0611223344', 'Hello!')];
        yield [new SmsMessage('0611223344', 'Hello!', 'from', new SmsmodeOptions(['ref_client' => 'test_ref_client']))];
    }