Versioned models should have their version association getter updated upon destruction when applicable

CHANGELOG.md

@@ -6,6 +6,8 @@
     for return values from `current_user` method.
   - `PaperTrail::Cleaner.clean_versions!` should group versions by `PaperTrail.timestamp_field` when deciding which ones to
     keep / destroy, instead of always grouping by the `created_at` field.
+  - If `destroy` actions are tracked for a versioned model, invoking `destroy` on the model will cause the corresponding version that
+    gets generated to be assigned into the `model_instance#version_association_name` accessor (usally `model_instance#version`).
 
 ## 3.0.1
 

lib/paper_trail/has_paper_trail.rb

@@ -295,7 +295,7 @@ module PaperTrail
             :object    => self.class.paper_trail_version_class.object_col_is_json? ? object_attrs : PaperTrail.serializer.dump(object_attrs),
             :whodunnit => PaperTrail.whodunnit
           }
-          self.class.paper_trail_version_class.create merge_metadata(data)
+          send("#{self.class.version_association_name}=", self.class.paper_trail_version_class.create(merge_metadata(data)))
           send(self.class.versions_association_name).send :load_target
         end
       end

spec/models/widget_spec.rb

@@ -21,6 +21,21 @@ describe Widget do
     end
   end
 
+  describe "Callbacks", :versioning => true do
+    describe :after_destroy do
+      it "should create a version for that event" do
+        expect { widget.destroy }.to change(widget.versions, :count).by(1)
+      end
+
+      it "should assign the version into the `versions_association_name`" do
+        widget.version.should be_nil
+        widget.destroy
+        widget.version.should_not be_nil
+        widget.version.should == widget.versions.last
+      end
+    end
+  end
+
   describe "Methods" do
     describe "Instance", :versioning => true do
       describe :whodunnit do