Fixed loaded empty reference many fields

Author: Fedott

src/DataMapper/Redis/ModelManager.php

@@ -2,7 +2,6 @@
 
 namespace Fedot\DataMapper\Redis;
 
-use function Amp\all;
 use Amp\Deferred;
 use Amp\Redis\Client;
 use AsyncInterop\Loop;
@@ -14,6 +13,7 @@
 use Fedot\DataMapper\ModelManagerInterface;
 use Metadata\MetadataFactory;
 use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
+use function Amp\all;
 use function Amp\wrap;
 
 class ModelManager implements ModelManagerInterface
@@ -158,6 +158,11 @@ public function find(string $class, string $id, int $depthLevel = 1, IdentityMap
                                     $propertyMetadata->setValue($modelInstance, $referenceModels);
                                 }
                             }
+                        } elseif (
+                            !array_key_exists($propertyMetadata->name, $modelData)
+                            && $propertyMetadata->referenceType === 'many'
+                        ) {
+                            $propertyMetadata->setValue($modelInstance, []);
                         }
                     }
                 }

tests/DataMapper/Redis/RedisImplementationIntegrationTest.php

@@ -185,6 +185,11 @@ public function testBooks()
             $this->assertTrue($found, 'Not found genres');
         }
 
+        /** @var Genre $loadedGenre3 */
+        $loadedGenre3 = wait($modelManager->find(Genre::class, 'genre-id3'));
+        $this->assertSame([], $loadedGenre3->getBooks());
+        $this->assertSame([], $loadedGenre3->getAuthors());
+
         $loadedBook4 = wait($modelManager->find(Book::class, 'book-id4', 1, $identityMap));
         $this->assertSame($book4, $loadedBook4);