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[Serializer] Rewrite AbstractObjectNormalizer::createChildContext() to use the provided cache_key from original context #53523

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[Serializer] Rewrite AbstractObjectNormalizer::createChildContext() to use the provided cache_key from original context #53523

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96af30f
[Serializer] Rewrite `AbstractObjectNormalizer::createChildContext()`…
amne Jan 12, 2024
72aac24
changed assert approach for childContextCacheKey
amne Jan 12, 2024
7a28a29
reverted to inline ifs before calling getCacheKey
amne Jan 12, 2024
765d276
reverted unintended code style change
amne Jan 12, 2024
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11 changes: 7 additions & 4 deletions src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -302,9 +302,6 @@ public function supportsDenormalization(mixed $data, string $type, string $forma
return class_exists($type) || (interface_exists($type, false) && null !== $this->classDiscriminatorResolver?->getMappingForClass($type));
}

/**
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This change should be reverted

* @return mixed
*/
public function denormalize(mixed $data, string $type, string $format = null, array $context = [])
{
if (!isset($context['cache_key'])) {
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Same here

Expand Down Expand Up @@ -734,7 +731,13 @@ private function isMaxDepthReached(array $attributesMetadata, string $class, str
protected function createChildContext(array $parentContext, string $attribute, ?string $format): array
{
$context = parent::createChildContext($parentContext, $attribute, $format);
$context['cache_key'] = $this->getCacheKey($format, $context);
if (isset($context['cache_key'])) {
if (false !== $context['cache_key']) {
$context['cache_key'] .= '-'.$attribute;
}
} else {
$context['cache_key'] = $this->getCacheKey($format, $context);
}

return $context;
}
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40 changes: 40 additions & 0 deletions src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
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Expand Up @@ -788,6 +788,46 @@ public function supportsNormalization(mixed $data, string $format = null, array
$this->assertSame('called', $object->bar);
}

public function testChildContextKeepsOriginalContextCacheKey()
{
$foobar = new Dummy();
$foobar->foo = new EmptyDummy();
$foobar->bar = 'bar';
$foobar->baz = 'baz';
$data = [
'foo' => [],
'bar' => 'bar',
'baz' => 'baz',
];

$normalizer = new class() extends AbstractObjectNormalizerDummy {
public ?string $childContextCacheKey = null;

protected function extractAttributes(object $object, string $format = null, array $context = []): array
{
return array_keys((array) $object);
}

protected function getAttributeValue(object $object, string $attribute, string $format = null, array $context = []): mixed
{
return $object->{$attribute};
}

protected function createChildContext(array $parentContext, string $attribute, ?string $format): array
{
$childContext = parent::createChildContext($parentContext, $attribute, $format);
$this->childContextCacheKey = $childContext['cache_key'];

return $childContext;
}
};

$serializer = new Serializer([$normalizer]);
$normalizedObject = $serializer->normalize($foobar, null, ['cache_key' => 'hardcoded']);
// $this->assertSame($data, $normalizedObject);
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Unexpected comment I guess

$this->assertSame('hardcoded-foo', $normalizer->childContextCacheKey);
}

public function testDenormalizeUnionOfEnums()
{
$serializer = new Serializer([
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