close #354; fixes #374; close #131; Update CHANGELOG for PR for #375

CHANGELOG.md

@@ -4,6 +4,10 @@
     new model instance.
   - [#398](https://github.com/airblade/paper_trail/pull/398) - Only require the `RSpec` helper if `RSpec::Core` is required.
   - [#394](https://github.com/airblade/paper_trail/pull/394) - Add RSpec matcher `have_a_version_with` for easier testing.
+  - [#375](https://github.com/airblade/paper_trail/pull/375) / [#374](https://github.com/airblade/paper_trail/issues/374) /
+    [#354](https://github.com/airblade/paper_trail/issues/354) / [#131](https://github.com/airblade/paper_trail/issues/131) -
+    Versions should be built with `after_` callbacks so the timestamp field for a version can be forced to match the
+    corresponding timestamp in the database for the state persistence of a change to the base (versioned) model.
 
 ## 3.0.3
 

spec/models/widget_spec.rb

@@ -48,6 +48,14 @@ describe Widget do
       end
     end
 
+    describe :after_create do
+      let(:widget) { Widget.create!(:name => 'Foobar', :created_at => Time.now - 1.week) }
+
+      it "corresponding version should use the widget's `created_at`" do
+        widget.versions.last.created_at.to_i.should == widget.created_at.to_i
+      end
+    end
+
     describe :after_update do
       before { widget.update_attributes!(:name => 'Foobar', :updated_at => Time.now + 1.week) }
 
@@ -60,7 +68,7 @@ describe Widget do
         subject.should be_live
       end
 
-      it "should use the widget updated_at" do
+      it "corresponding version should use the widget updated_at" do
         widget.versions.last.created_at.to_i.should == widget.updated_at.to_i
       end
     end