r00k

Question 1

What object-oriented programming advice is this code violating?

def check_for_overheating(system_monitor)
  if system_monitor.temperature > 100
    system_monitor.sound_alarms
  end
end

peterc

require 'stringio'
require 'timeout'

class Object
  def methods_returning(expected, *args, &blk)
    old_stdout = $>
    $> = StringIO.new

    methods.select do |meth|
      Timeout::timeout(1) { dup.public_send(meth, *args, &blk) == expected rescue false } rescue false

elarkin

#in application.rb
module YourApp
  class Application < Rails::Application
    config.middleware.insert_before ActionDispatch::ParamsParser, "ParsingFailureToJSON"
    ...
  end
end

#The Parsing failure middleware
class ParsingFailureToJSON