module TimeSpecs class SubTime < Time; end class MethodHolder class << self define_method(:now, &Time.method(:now)) define_method(:new, &Time.method(:new)) end end class Timezone def initialize(options) @offset = options[:offset] end def local_to_utc(t) t - @offset end def utc_to_local(t) t + @offset end end class TimezoneMethodCallRecorder < Timezone def initialize(options, &blk) super(options) @blk = blk end def local_to_utc(t) @blk.call(t) super end def utc_to_local(t) @blk.call(t) super end end class TimeLikeArgumentRecorder def self.result arguments = [] zone = TimeSpecs::TimezoneMethodCallRecorder.new(offset: 0) do |obj| arguments << obj end # ensure timezone's methods are called at least once Time.new(2000, 1, 1, 12, 0, 0, zone) return arguments[0] end end class TimezoneWithAbbr < Timezone def initialize(options) super @abbr = options[:abbr] end def abbr(time) @abbr end end class TimezoneWithName < Timezone def initialize(options) super @name = options[:name] end def name @name end end class TimeWithFindTimezone < Time def self.find_timezone(name) TimezoneWithName.new(name: name.to_s, offset: -10*60*60) end end end