YamlReferenceDumper example

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

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

        $dumper = new YamlReferenceDumper();

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

    public static function provideDumpAtPath(): array
    {
        return [
            'Regular node' => ['scalar_true', <<<EOL scalar_true: true EOL
            ],
            

 else {
            $message = sprintf('Default configuration for "%s"', $name);
        }

        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));