XmlReferenceDumper example

if (null !== $path) {
            $message .= sprintf(' at path "%s"', $path);
        }

        switch ($format) {
            case 'yaml':
                $io->writeln(sprintf('# %s', $message));
                $dumper = new YamlReferenceDumper();
                break;
            case 'xml':
                $io->writeln(sprintf('<!-- %s -->', $message));
                $dumper = new XmlReferenceDumper();
                break;
            default:
                $io->writeln($message);
                throw new InvalidArgumentException(sprintf('Supported formats are "%s".', implode('", "', $this->getAvailableFormatOptions())));
        }

        $io->writeln(null === $path ? $dumper->dump($configuration, $extension->getNamespace()) : $dumper->dumpAtPath($configuration, $path));

        return 0;
    }

    

use PHPUnit\Framework\TestCase;
use Symfony\Component\Config\Definition\Dumper\XmlReferenceDumper;
use Symfony\Component\Config\Tests\Fixtures\Configuration\ExampleConfiguration;

class XmlReferenceDumperTest extends TestCase
{
    public function testDumper()
    {
        $configuration = new ExampleConfiguration();

        $dumper = new XmlReferenceDumper();
        $this->assertEquals($this->getConfigurationAsString(), $dumper->dump($configuration));
    }

    public function testNamespaceDumper()
    {
        $configuration = new ExampleConfiguration();

        $dumper = new XmlReferenceDumper();
        $this->assertEquals(str_replace('http://example.org/schema/dic/acme_root', 'http://symfony.com/schema/dic/symfony', $this->getConfigurationAsString()), $dumper->dump($configuration, 'http://symfony.com/schema/dic/symfony'));
    }