Add support for $ref on properties (#317)

* add support for  on properties

* use classic array syntax

Author: shmax

src/JsonSchema/Constraints/UndefinedConstraint.php

@@ -60,7 +60,7 @@ public function validateTypes($value, $schema = null, JsonPointer $path, $i = nu
         if ($this->getTypeCheck()->isObject($value)) {
             $this->checkObject(
                 $value,
-                isset($schema->properties) ? $schema->properties : $schema,
+                isset($schema->properties) ? $this->schemaStorage->resolveRefSchema($schema->properties) : $schema,
                 $path,
                 isset($schema->additionalProperties) ? $schema->additionalProperties : null,
                 isset($schema->patternProperties) ? $schema->patternProperties : null

tests/SchemaStorageTest.php

@@ -62,6 +62,12 @@ public function testSchemaWithLocalAndExternalReferencesWithCircularReference()
             $schemaStorage->resolveRef("$mainSchemaPath#/properties/car/properties/wheel")
         );
 
+        // properties ref
+        $this->assertEquals(
+            $schemaStorage->resolveRef("$mainSchemaPath#/definitions/yardproperties"),
+            $schemaStorage->resolveRef("$mainSchemaPath#/properties/yard/properties")
+        );
+
         // local ref with overriding
         $this->assertNotEquals(
             $schemaStorage->resolveRef("$mainSchemaPath#/definitions/house/additionalProperties"),
@@ -77,6 +83,7 @@ public function testSchemaWithLocalAndExternalReferencesWithCircularReference()
             $schemaStorage->resolveRef("$mainSchemaPath#/definitions/house"),
             $schemaStorage->resolveRef("$mainSchemaPath#/properties/house/properties/house")
         );
+
         $this->assertEquals(
             $schemaStorage->resolveRef("$mainSchemaPath#/definitions/house"),
             $schemaStorage->resolveRef("$mainSchemaPath#/properties/house/properties/house/properties/house")
@@ -123,6 +130,13 @@ private function getMainSchema()
                 'house' => (object) array(
                     'additionalProperties' => true,
                     '$ref' => '#/definitions/house'
+                ),
+                'yard' => (object) array(
+                    'type' => 'object',
+                    'additionalProperties' => false,
+                    'properties' => (object) array(
+                        '$ref' => '#/definitions/yardproperties'
+					)
                 )
             ),
             'definitions' => (object) array(
@@ -144,6 +158,14 @@ private function getMainSchema()
                             '$ref' => '#/definitions/house'
                         )
                     )
+                ),
+                'yardproperties' => (object) array(
+                    'tree'=>(object) array(
+                        'type' => 'string'
+                    ),
+                    'pool'=>(object) array(
+                        'type' => 'string'
+                    )
                 )
             )
         );