module Gitlab::QA::Runtime::Scenario

def attributes
  @attributes ||= {}
end

def define(attribute, value)
  attributes.store(attribute.to_sym, value)
  define_singleton_method(attribute) do
    attributes[attribute.to_sym].tap do |value|
      if value.to_s.empty?
        raise ArgumentError, "Empty `#{attribute}` attribute!"
      end
    end
  end
end

def method_missing(name, *)
  raise ArgumentError, "Scenario attribute `#{name}` not defined!"
end