lib/mocha/deprecation.rb
require 'mocha/backtrace_filter' module Mocha class Deprecation class << self attr_accessor :mode, :messages def warning(*messages) message = messages.join @messages << message return if mode == :disabled filter = BacktraceFilter.new location = filter.filtered(caller)[0] warn "Mocha deprecation warning at #{location}: #{message}" end end self.mode = :enabled self.messages = [] end end