Active Record Spy

ar_spy.rb

class Spy
  def initialize(object)
    @object = object
  end

  def respond_to_missing?(name)
    @object.respond_to?(name)
  end

  def method_missing(name, *args, **kwargs, &block)
    puts name

    if @object.is_a? ActiveRecord::Base
      if @object._reflections[name.to_s]
        puts "reflection"
      end

      if @object.attributes[name.to_s]
        puts "attribute"
      end
    end

    @object.send(name, *args, **kwargs, &block)
  end
end

# Extend this in a model
module Spy::Model
  def where(...)
    Spy.new(super)
  end

  def find(...)
    Spy.new(super)
  end
end