Flush mounters on dup of active record model

carrierwaveuploader · Jan 15, 2015 · b416406 · b416406
1 parent 56873b0
commit b416406
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diff --git a/lib/carrierwave/orm/activerecord.rb b/lib/carrierwave/orm/activerecord.rb
@@ -85,6 +85,12 @@ def reload
           @_mounters = nil
           super
         end
+
+        # Reset cached mounter on record dup
+        def initialize_dup(other)
+          @_mounters = nil
+          super
+        end
       RUBY
     end
 

diff --git a/spec/orm/activerecord_spec.rb b/spec/orm/activerecord_spec.rb
@@ -1485,4 +1485,12 @@ def filename
       expect(File.exist?(public_path('uploads/old.jpeg'))).to be_true
     end
   end
+
+  describe "#dup" do
+    it "appropriately removes the model reference from the new models uploader" do
+      @event.save
+      new_event = @event.dup
+      expect(new_event.image.model).not_to eq @event
+    end
+  end
 end