Avoid an error if the attribute isn't an array when expected

Author: dunglas

JsonLd/Serializer/ItemNormalizer.php

@@ -236,11 +236,14 @@ public function denormalize($data, $class, $format = null, array $context = [])
                 $type = $types[0];
 
                 if (
-                    $attributeValue &&
                     $type->isCollection() &&
                     ($collectionType = $type->getCollectionType()) &&
                     ($class = $collectionType->getClass())
                 ) {
+                    if (!is_array($attributeValue)) {
+                        continue;
+                    }
+
                     $values = [];
                     foreach ($attributeValue as $index => $obj) {
                         $values[$index] = $this->denormalizeRelation(

features/unknown_attributes.feature renamed to features/invalid_data.feature

@@ -1,10 +1,9 @@
-Feature: Ignore unknown attributes
-  In order to be robust
+Feature: Handle properly invalid data submitted to the API
+  In order to have robust API
   As a client software developer
   I can send unsupported attributes that will be ignored
 
   @createSchema
-  @dropSchema
   Scenario: Create a resource
     When I send a "POST" request to "/dummies" with body:
     """
@@ -32,3 +31,32 @@ Feature: Ignore unknown attributes
       "name_converted": null
     }
     """
+
+  @dropSchema
+  Scenario: Send non-array data when an array is expected
+    When I send a "POST" request to "/dummies" with body:
+        """
+    {
+      "name": "Invalid",
+      "relatedDummies": "hello"
+    }
+    """
+    Then the response status code should be 201
+    And the response should be in JSON
+    And the header "Content-Type" should be equal to "application/ld+json"
+    """
+    And the JSON should be equal to:
+    {
+      "@context": "/contexts/Dummy",
+      "@id": "/dummies/2",
+      "@type": "Dummy",
+      "name": "Invalid",
+      "alias": null,
+      "dummyDate": null,
+      "jsonData": [],
+      "dummy": null,
+      "relatedDummy": null,
+      "relatedDummies": [],
+      "name_converted": null
+    }
+    """