[Serializer] Handle defaultContext for DateTimeNormalizer

Author: mtarld

Normalizer/DateTimeNormalizer.php

@@ -88,11 +88,8 @@ public function supportsNormalization($data, string $format = null)
      */
     public function denormalize($data, string $type, string $format = null, array $context = [])
     {
-        $dateTimeFormat = $context[self::FORMAT_KEY] ?? null;
-        $timezone = $this->getTimezone($context);
-
         if (\is_int($data) || \is_float($data)) {
-            switch ($dateTimeFormat) {
+            switch ($context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY] ?? null) {
                 case 'U': $data = sprintf('%d', $data); break;
                 case 'U.u': $data = sprintf('%.6F', $data); break;
             }
@@ -103,6 +100,9 @@ public function denormalize($data, string $type, string $format = null, array $c
         }
 
         try {
+            $timezone = $this->getTimezone($context);
+            $dateTimeFormat = $context[self::FORMAT_KEY] ?? null;
+
             if (null !== $dateTimeFormat) {
                 $object = \DateTime::class === $type ? \DateTime::createFromFormat($dateTimeFormat, $data, $timezone) : \DateTimeImmutable::createFromFormat($dateTimeFormat, $data, $timezone);
 

Tests/Normalizer/DateTimeNormalizerTest.php

@@ -280,6 +280,22 @@ public function testDenormalizeDateTimeStringWithSpacesUsingFormatPassedInContex
         $this->normalizer->denormalize('  2016.01.01  ', \DateTime::class, null, [DateTimeNormalizer::FORMAT_KEY => 'Y.m.d|']);
     }
 
+    public function testDenormalizeTimestampWithFormatInContext()
+    {
+        $normalizer = new DateTimeNormalizer();
+        $denormalizedDate = $normalizer->denormalize(1698202249, \DateTimeInterface::class, null, [DateTimeNormalizer::FORMAT_KEY => 'U']);
+
+        $this->assertSame('2023-10-25 02:50:49', $denormalizedDate->format('Y-m-d H:i:s'));
+    }
+
+    public function testDenormalizeTimestampWithFormatInDefaultContext()
+    {
+        $normalizer = new DateTimeNormalizer([DateTimeNormalizer::FORMAT_KEY => 'U']);
+        $denormalizedDate = $normalizer->denormalize(1698202249, \DateTimeInterface::class);
+
+        $this->assertSame('2023-10-25 02:50:49', $denormalizedDate->format('Y-m-d H:i:s'));
+    }
+
     public function testDenormalizeDateTimeStringWithDefaultContextFormat()
     {
         $format = 'd/m/Y';