manuelmeurer

class Display::WidgetsController < ApplicationController
  def show
    scss = render_to_string('show', locals: { foo: bar }, formats: :scss)
    @css = Sass::Engine.new(scss, Compass.sass_engine_options.merge(syntax: :scss)).render
  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