replace custom Time stubbing with travel and travel_to.

activerecord/test/cases/mixin_test.rb

@@ -3,42 +3,11 @@ 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
+    travel_to Time.now
   end
 
   def test_update
@@ -68,12 +37,13 @@ class TouchTest < ActiveRecord::TestCase
 
     old_updated_at = stamped.updated_at
 
-    Time.forced_now_time = 5.minutes.from_now
-    stamped.lft_will_change!
-    stamped.save
+    travel 5.minutes do
+      stamped.lft_will_change!
+      stamped.save
 
-    assert_equal Time.now, stamped.updated_at
-    assert_equal old_updated_at, stamped.created_at
+      assert_equal Time.now, stamped.updated_at
+      assert_equal old_updated_at, stamped.created_at
+    end
   end
 
   def test_create_turned_off