MONGOID-5295 Use Time.zone.now instead of Time.now(.utc) (#5260)

* MONGOID-5295 make time zone changes

* MONGOID-5295 add tests

Author: neilshweky

lib/mongoid/timestamps/created.rb

@@ -23,7 +23,7 @@ module Created
       #   person.set_created_at
       def set_created_at
         if !timeless? && !created_at
-          time = Time.now.utc
+          time = Time.configured.now
           self.updated_at = time if is_a?(Updated) && !updated_at_changed?
           self.created_at = time
         end

lib/mongoid/timestamps/updated.rb

@@ -24,7 +24,7 @@ module Updated
       #   person.set_updated_at
       def set_updated_at
         if able_to_set_updated_at?
-          self.updated_at = Time.now.utc unless updated_at_changed?
+          self.updated_at = Time.configured.now unless updated_at_changed?
         end
 
         clear_timeless_option

lib/mongoid/touchable.rb

@@ -22,7 +22,7 @@ module InstanceMethods
       # @return [ true/false ] false if record is new_record otherwise true.
       def touch(field = nil)
         return false if _root.new_record?
-        current = Time.now
+        current = Time.configured.now
         field = database_field_name(field)
         write_attribute(:updated_at, current) if respond_to?("updated_at=")
         write_attribute(field, current) if field

spec/mongoid/timestamps_spec.rb

@@ -14,6 +14,15 @@
       Dokument.fields
     end
 
+    let(:time_zone) { "Pacific Time (US & Canada)" }
+
+    around do |ex|
+      z = Time.zone
+      Time.zone = time_zone
+      ex.run
+      Time.zone = z
+    end
+
     before do
       document.run_callbacks(:create)
       document.run_callbacks(:save)
@@ -35,6 +44,14 @@
       expect(document.updated_at).to be_within(10).of(Time.now.utc)
     end
 
+    it "sets the created_at to the correct time zone" do
+      expect(document.created_at.time_zone.name).to eq(time_zone)
+    end
+
+    it "sets the updated_at to the correct time zone" do
+      expect(document.updated_at.time_zone.name).to eq(time_zone)
+    end
+
     it "ensures created_at equals updated_at on new records" do
       expect(document.updated_at).to eq(document.created_at)
     end