PromotionIndividualCodeSerializer example

private string $promoCode = 'testCode';

    private string $promoCodeId = '';

    protected function setUp(): void
    {
        $this->promoRepository = $this->getContainer()->get('promotion.repository');
        $this->promoCodeRepository = $this->getContainer()->get('promotion_individual_code.repository');
        $serializerRegistry = $this->getContainer()->get(SerializerRegistry::class);

        $this->serializer = new PromotionIndividualCodeSerializer(
            $this->promoCodeRepository,
            $this->promoRepository
        );
        $this->serializer->setRegistry($serializerRegistry);

        $this->promoId = $this->promoRepository->create([
            [
                'name' => $this->promoName,
            ],
        ], Context::createDefaultContext())
            ->getPrimaryKeys(PromotionDefinition::ENTITY_NAME)[0];