method_cache.rb in receptacle-0.3.0

- old
+ new

@@ -11,10 +11,12 @@
     attr_reader :wrappers
     # @return [Symbol] name of the before action method
     attr_reader :before_method_name
     # @return [Symbol] name of the after action method
     attr_reader :after_method_name
+    # @return [Integer] arity of strategy method according to https://ruby-doc.org/core-2.3.3/Method.html#method-i-arity
+    attr_reader :arity
 
     def initialize(method_name:, strategy:, before_wrappers:, after_wrappers:)
       @strategy = strategy
       @before_method_name = :"before_#{method_name}"
       @after_method_name = :"after_#{method_name}"
@@ -22,9 +24,10 @@
       before_wrappers ||= []
       after_wrappers ||= []
       @wrappers = before_wrappers | after_wrappers
       @skip_before_wrappers = before_wrappers.empty?
       @skip_after_wrappers = after_wrappers.empty?
+      @arity = strategy.new.method(method_name).arity
     end
 
     # @return [Boolean] true if no before wrappers need to be applied for this method
     def skip_before_wrappers?
       @skip_before_wrappers