Merge branch '2.7' into 2.8

* 2.7:
  [ci] Phpunit tests wont run if composer is installed in a wrapper
  [ci] Add version tag in phpunit wrapper to trigger cache-reset on demand
  fix race condition at mkdir (#16258)
  [VarDumper] Fix PHP7 type-hints compat
  [Bridge] [PhpUnit] fixes documentation markup.
  [PropertyAccess] Port of the performance optimization from 2.3
  trigger deprecation warning when using empty_value
  [PropertyAccess] Test access to dynamic properties
  [PropertyAccess] Fix dynamic property accessing.
  [Serializer] GetSetNormalizer shouldn't set/get static methods
  [Serializer] PropertyNormalizer shouldn't set static properties
  JsonDescriptor - encode container params only once

Conflicts:
	src/Symfony/Component/VarDumper/Tests/Caster/ReflectionCasterTest.php

Author: nicolas-grekas

Normalizer/GetSetMethodNormalizer.php

@@ -114,7 +114,7 @@ public function denormalize($data, $class, $format = null, array $context = arra
             if ($allowed && !$ignored) {
                 $setter = 'set'.ucfirst($attribute);
 
-                if (in_array($setter, $classMethods)) {
+                if (in_array($setter, $classMethods) && !$reflectionClass->getMethod($setter)->isStatic()) {
                     $object->$setter($value);
                 }
             }
@@ -170,10 +170,13 @@ private function isGetMethod(\ReflectionMethod $method)
     {
         $methodLength = strlen($method->name);
 
-        return (
-            ((0 === strpos($method->name, 'get') && 3 < $methodLength) ||
-            (0 === strpos($method->name, 'is') && 2 < $methodLength)) &&
-            0 === $method->getNumberOfRequiredParameters()
-        );
+        return
+            !$method->isStatic() &&
+            (
+                ((0 === strpos($method->name, 'get') && 3 < $methodLength) ||
+                (0 === strpos($method->name, 'is') && 2 < $methodLength)) &&
+                0 === $method->getNumberOfRequiredParameters()
+            )
+        ;
     }
 }

Normalizer/PropertyNormalizer.php

@@ -50,7 +50,7 @@ public function normalize($object, $format = null, array $context = array())
         $allowedAttributes = $this->getAllowedAttributes($object, $context, true);
 
         foreach ($reflectionObject->getProperties() as $property) {
-            if (in_array($property->name, $this->ignoredAttributes)) {
+            if (in_array($property->name, $this->ignoredAttributes) || $property->isStatic()) {
                 continue;
             }
 
@@ -110,6 +110,10 @@ public function denormalize($data, $class, $format = null, array $context = arra
             if ($allowed && !$ignored && $reflectionClass->hasProperty($propertyName)) {
                 $property = $reflectionClass->getProperty($propertyName);
 
+                if ($property->isStatic()) {
+                    continue;
+                }
+
                 // Override visibility
                 if (!$property->isPublic()) {
                     $property->setAccessible(true);

Tests/Normalizer/GetSetMethodNormalizerTest.php

@@ -549,11 +549,24 @@ public function testDenormalizeNonExistingAttribute()
         );
     }
 
+    public function testDenormalizeShouldNotSetStaticAttribute()
+    {
+        $obj = $this->normalizer->denormalize(array('staticObject' => true), __NAMESPACE__.'\GetSetDummy');
+
+        $this->assertEquals(new GetSetDummy(), $obj);
+        $this->assertNull(GetSetDummy::getStaticObject());
+    }
+
     public function testNoTraversableSupport()
     {
         $this->assertFalse($this->normalizer->supportsNormalization(new \ArrayObject()));
     }
 
+    public function testNoStaticGetSetSupport()
+    {
+        $this->assertFalse($this->normalizer->supportsNormalization(new ObjectWithJustStaticSetterDummy()));
+    }
+
     public function testPrivateSetter()
     {
         $obj = $this->normalizer->denormalize(array('foo' => 'foobar'), __NAMESPACE__.'\ObjectWithPrivateSetterDummy');
@@ -568,6 +581,7 @@ class GetSetDummy
     private $baz;
     protected $camelCase;
     protected $object;
+    private static $staticObject;
 
     public function getFoo()
     {
@@ -628,6 +642,16 @@ public function getObject()
     {
         return $this->object;
     }
+
+    public static function getStaticObject()
+    {
+        return self::$staticObject;
+    }
+
+    public static function setStaticObject($object)
+    {
+        self::$staticObject = $object;
+    }
 }
 
 class GetConstructorDummy
@@ -799,3 +823,18 @@ private function setFoo($foo)
     {
     }
 }
+
+class ObjectWithJustStaticSetterDummy
+{
+    private static $foo = 'bar';
+
+    public static function getFoo()
+    {
+        return self::$foo;
+    }
+
+    public static function setFoo($foo)
+    {
+        self::$foo = $foo;
+    }
+}

Tests/Normalizer/PropertyNormalizerTest.php

@@ -409,6 +409,14 @@ public function testDenormalizeNonExistingAttribute()
         );
     }
 
+    public function testDenormalizeShouldIgnoreStaticProperty()
+    {
+        $obj = $this->normalizer->denormalize(array('outOfScope' => true), __NAMESPACE__.'\PropertyDummy');
+
+        $this->assertEquals(new PropertyDummy(), $obj);
+        $this->assertEquals('out_of_scope', PropertyDummy::$outOfScope);
+    }
+
     /**
      * @expectedException \Symfony\Component\Serializer\Exception\LogicException
      * @expectedExceptionMessage Cannot normalize attribute "bar" because injected serializer is not a normalizer
@@ -429,10 +437,16 @@ public function testNoTraversableSupport()
     {
         $this->assertFalse($this->normalizer->supportsNormalization(new \ArrayObject()));
     }
+
+    public function testNoStaticPropertySupport()
+    {
+        $this->assertFalse($this->normalizer->supportsNormalization(new StaticPropertyDummy()));
+    }
 }
 
 class PropertyDummy
 {
+    public static $outOfScope = 'out_of_scope';
     public $foo;
     private $bar;
     protected $camelCase;
@@ -491,3 +505,9 @@ public function __construct($kevinDunglas = null)
         $this->kevinDunglas = $kevinDunglas;
     }
 }
+
+class StaticPropertyDummy
+{
+    private static $property = 'value';
+}
+