[Serializer] Fix ClassMetadata::sleep()

Author: dunglas

Mapping/ClassMetadata.php

@@ -110,7 +110,7 @@ public function __sleep()
     {
         return array(
             'name',
-            'attributes',
+            'attributesMetadata',
         );
     }
 }

Tests/Mapping/AttributeMetadataTest.php

@@ -54,4 +54,14 @@ public function testMerge()
 
         $this->assertEquals(array('a', 'b', 'c'), $attributeMetadata1->getGroups());
     }
+
+    public function testSerialize()
+    {
+        $attributeMetadata = new AttributeMetadata('attribute');
+        $attributeMetadata->addGroup('a');
+        $attributeMetadata->addGroup('b');
+
+        $serialized = serialize($attributeMetadata);
+        $this->assertEquals($attributeMetadata, unserialize($serialized));
+    }
 }

Tests/Mapping/ClassMetadataTest.php

@@ -62,4 +62,21 @@ public function testMerge()
 
         $this->assertEquals(array('a1' => $ac1), $classMetadata2->getAttributesMetadata());
     }
+
+    public function testSerialize()
+    {
+        $classMetadata = new ClassMetadata('a');
+
+        $a1 = $this->getMock('Symfony\Component\Serializer\Mapping\AttributeMetadataInterface');
+        $a1->method('getName')->willReturn('b1');
+
+        $a2 = $this->getMock('Symfony\Component\Serializer\Mapping\AttributeMetadataInterface');
+        $a2->method('getName')->willReturn('b2');
+
+        $classMetadata->addAttributeMetadata($a1);
+        $classMetadata->addAttributeMetadata($a2);
+
+        $serialized = serialize($classMetadata);
+        $this->assertEquals($classMetadata, unserialize($serialized));
+    }
 }