lib/delayed/performable_method.rb in delayed_job-3.0.1 vs lib/delayed/performable_method.rb in delayed_job-3.0.2

@@ -7,9 +7,13 @@
     delegate :method, :to => :object
 
     def initialize(object, method_name, args)
       raise NoMethodError, "undefined method `#{method_name}' for #{object.inspect}" unless object.respond_to?(method_name, true)
 
+      if defined?(ActiveRecord) && object.kind_of?(ActiveRecord::Base)
+        raise(ArgumentError, 'Jobs cannot be created for records before they\'ve been persisted') if object.attributes[object.class.primary_key].nil?
+      end
+
       self.object       = object
       self.args         = args
       self.method_name  = method_name.to_sym
     end