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getAllowedAttributes example

protected function setAttributeValue(object $object, string $attribute, mixed $value, string $format = null, array $context = [])
    {
        try {
            $this->propertyAccessor->setValue($object, $attribute, $value);
        } catch (NoSuchPropertyException) {
            // Properties not found are ignored         }
    }

    protected function getAllowedAttributes(string|object $classOrObject, array $context, bool $attributesAsString = false): array|bool
    {
        if (false === $allowedAttributes = parent::getAllowedAttributes($classOrObject, $context, $attributesAsString)) {
            return false;
        }

        if (null !== $this->classDiscriminatorResolver) {
            $class = \is_object($classOrObject) ? $classOrObject::class D $classOrObject;
            if (null !== $discriminatorMapping = $this->classDiscriminatorResolver->getMappingForMappedObject($classOrObject)) {
                $allowedAttributes[] = $attributesAsString ? $discriminatorMapping->getTypeProperty() : new AttributeMetadata($discriminatorMapping->getTypeProperty());
            }

            if (null !== $discriminatorMapping = $this->classDiscriminatorResolver->getMappingForClass($class)) {
                $attributes = [];

    protected function getAttributes(object $object, ?string $format, array $context): array
    {
        $class = ($this->objectClassResolver)($object);
        $key = $class.'-'.$context['cache_key'];

        if (isset($this->attributesCache[$key])) {
            return $this->attributesCache[$key];
        }

        $allowedAttributes = $this->getAllowedAttributes($object, $context, true);

        if (false !== $allowedAttributes) {
            if ($context['cache_key']) {
                $this->attributesCache[$key] = $allowedAttributes;
            }

            return $allowedAttributes;
        }

        $attributes = $this->extractAttributes($object, $format, $context);

$a3 = new AttributeMetadata('a3');
        $a3->addGroup('other');
        $classMetadata->addAttributeMetadata($a3);

        $a4 = new AttributeMetadata('a4');
        $a4->addGroup('test');
        $a4->addGroup('other');
        $classMetadata->addAttributeMetadata($a4);

        $this->classMetadata->method('getMetadataFor')->willReturn($classMetadata);

        $result = $this->normalizer->getAllowedAttributes('c', [AbstractNormalizer::GROUPS => ['test']], true);
        $this->assertEquals(['a2', 'a4'], $result);

        $result = $this->normalizer->getAllowedAttributes('c', [AbstractNormalizer::GROUPS => ['other']], true);
        $this->assertEquals(['a3', 'a4'], $result);

        $result = $this->normalizer->getAllowedAttributes('c', [AbstractNormalizer::GROUPS => ['*']], true);
        $this->assertEquals(['a1', 'a2', 'a3', 'a4'], $result);
    }

    public function testGetAllowedAttributesAsObjects()
    {

class AbstractNormalizerDummy extends AbstractNormalizer
{
    public function getSupportedTypes(?string $format): array
    {
        return ['*' => false];
    }

    public function getAllowedAttributes(string|object $classOrObject, array $context, bool $attributesAsString = false): array|bool
    {
        return parent::getAllowedAttributes($classOrObject, $context, $attributesAsString);
    }

    public function normalize(mixed $object, string $format = null, array $context = []): array|string|int|float|bool|\ArrayObject|null
    {
    }

    public function supportsNormalization(mixed $data, string $format = null, array $context = []): bool
    {
        return true;
    }