folder_destroy.rb in fog-vsphere-2.2.0

- old
+ new

@@ -3,20 +3,20 @@
     class Vsphere
       class Real
         def folder_destroy(path, datacenter_name)
           folder = get_raw_vmfolder(path, datacenter_name)
           raise Fog::Vsphere::Errors::NotFound, "No such folder #{path}" unless folder
-          raise Fog::Vsphere::Errors::ServiceError, "Folder #{path} is not empty" if folder.childEntity.size > 0
-          
+          raise Fog::Vsphere::Errors::ServiceError, "Folder #{path} is not empty" unless folder.childEntity.empty?
+
           task = folder.Destroy_Task
           task.wait_for_completion
           { 'task_state' => task.info.state }
         end
       end
       class Mock
         def folder_destroy(path, datacenter_name)
           vms = list_virtual_machines(folder: path, datacenter: datacenter_name)
-          if vms.length > 0
+          unless vms.empty?
             raise Fog::Vsphere::Errors::ServiceError, "Folder #{path} is not empty"
           end
           { 'task_state' => 'success' }
         end
       end