denormalizer = self::getContainer()->get(DenormalizerInterface::class); } public function testDenormalize() { $resource = new Resource(); $context = [ AbstractNormalizer::GROUPS => ['write'], AbstractNormalizer::OBJECT_TO_POPULATE => $resource, ]; $json = [ 'comment' => 'bloup', 'type' => 'accompanying_period_resource', ]; $resource = $this->denormalizer->denormalize($json, Resource::class, 'json', $context); $this->assertEquals('bloup', $resource->getComment()); } }