class method hook

class_method_hook.rb

module Module1
  def self.method1
    puts "method1 is called."
  end
end

class Test
  def self.method_missing(name, *args)
    if Module1.method_defined?(name)
      puts "don't call me!!!!!"
      return Module1.__send__(name, *args)
    end
  end
end

Test.method1