FlattenException example

FlattenException::class => false,
        ];
    }

    public function supportsNormalization(mixed $data, string $format = null, array $context = []): bool
    {
        return $data instanceof FlattenException && ($context[Serializer::MESSENGER_SERIALIZATION_CONTEXT] ?? false);
    }

    public function denormalize(mixed $data, string $type, string $format = null, array $context = []): FlattenException
    {
        $object = new FlattenException();

        $object->setMessage($data['message']);
        $object->setCode($data['code']);
        $object->setStatusCode($data['status'] ?? 500);
        $object->setClass($data['class']);
        $object->setFile($data['file']);
        $object->setLine($data['line']);
        $object->setStatusText($data['status_text']);
        $object->setHeaders((array) $data['headers']);

        if (isset($data['previous'])) {
            

class FlattenExceptionNormalizerTest extends TestCase
{
    private FlattenExceptionNormalizer $normalizer;

    protected function setUp(): void
    {
        $this->normalizer = new FlattenExceptionNormalizer();
    }

    public function testSupportsNormalization()
    {
        $this->assertTrue($this->normalizer->supportsNormalization(new FlattenException(), null, $this->getMessengerContext()));
        $this->assertFalse($this->normalizer->supportsNormalization(new FlattenException()));
        $this->assertFalse($this->normalizer->supportsNormalization(new \stdClass()));
    }

    /** * @dataProvider provideFlattenException */
    public function testNormalize(FlattenException $exception)
    {
        $normalized = $this->normalizer->normalize($exception, null, $this->getMessengerContext());
        $previous = null === $exception->getPrevious() ? null : $this->normalizer->normalize($exception->getPrevious());