JezK
Edit File: mixin_test.rb
require "cases/helper" class Mixin < ActiveRecord::Base end # Let us control what Time.now returns for the TouchTest suite class Time @@forced_now_time = nil cattr_accessor :forced_now_time class << self def now_with_forcing if @@forced_now_time @@forced_now_time else now_without_forcing end end alias_method_chain :now, :forcing end end class TouchTest < ActiveRecord::TestCase fixtures :mixins def setup Time.forced_now_time = Time.now end def teardown Time.forced_now_time = nil end def test_time_mocking five_minutes_ago = 5.minutes.ago Time.forced_now_time = five_minutes_ago assert_equal five_minutes_ago, Time.now Time.forced_now_time = nil assert_not_equal five_minutes_ago, Time.now end def test_update stamped = Mixin.new assert_nil stamped.updated_at assert_nil stamped.created_at stamped.save assert_equal Time.now, stamped.updated_at assert_equal Time.now, stamped.created_at end def test_create obj = Mixin.create assert_equal Time.now, obj.updated_at assert_equal Time.now, obj.created_at end def test_many_updates stamped = Mixin.new assert_nil stamped.updated_at assert_nil stamped.created_at stamped.save assert_equal Time.now, stamped.created_at assert_equal Time.now, stamped.updated_at old_updated_at = stamped.updated_at Time.forced_now_time = 5.minutes.from_now stamped.lft_will_change! stamped.save assert_equal Time.now, stamped.updated_at assert_equal old_updated_at, stamped.created_at end def test_create_turned_off Mixin.record_timestamps = false mixin = Mixin.new assert_nil mixin.updated_at mixin.save assert_nil mixin.updated_at # Make sure Mixin.record_timestamps gets reset, even if this test fails, # so that other tests do not fail because Mixin.record_timestamps == false rescue Exception => e raise e ensure Mixin.record_timestamps = true end end