1 files changed, 15 insertions, 0 deletions
diff --git a/activerecord/test/cases/helper.rb b/activerecord/test/cases/helper.rb
index cff6689c15..1bff005510 100644
--- a/activerecord/test/cases/helper.rb
+++ b/activerecord/test/cases/helper.rb
@@ -135,3 +135,18 @@ module LogIntercepter
   end
 end
 
+module InTimeZone
+  private
+
+  def in_time_zone(zone)
+    old_zone  = Time.zone
+    old_tz    = ActiveRecord::Base.time_zone_aware_attributes
+
+    Time.zone = zone ? ActiveSupport::TimeZone[zone] : nil
+    ActiveRecord::Base.time_zone_aware_attributes = !zone.nil?
+    yield
+  ensure
+    Time.zone = old_zone
+    ActiveRecord::Base.time_zone_aware_attributes = old_tz
+  end
+end