Polly wants a patcher

test/deep_cloning_test.rb

@@ -1,10 +1,11 @@
 require File.dirname(__FILE__) + '/test_helper'
 
 class DeepCloningTest < Test::Unit::TestCase
-  fixtures :pirates, :gold_pieces, :treasures, :mateys
+  fixtures :pirates, :gold_pieces, :treasures, :mateys, :parrots
 
   def setup
     @jack = Pirate.find(pirates(:jack).id)
+    @polly= Parrot.find(parrots(:polly).id)
   end
 
   def test_single_clone_exception
@@ -58,4 +59,10 @@ def test_multiple_and_deep_include_association_with_array
     assert_equal 1, clone.gold_pieces.size
     assert_equal 1, clone.mateys.size
   end
+
+  def test_with_belongs_to_relation
+    clone = @jack.clone(:include => :parrot)
+    assert clone.save
+    assert_not_equal clone.parrot, @jack.parrot
+  end
 end

test/fixtures/parrot.rb

@@ -0,0 +1,3 @@
+class Parrot < ActiveRecord::Base
+  belongs_to :pirate
+end

test/fixtures/parrots.yml

@@ -0,0 +1,3 @@
+polly:
+  name: Polly
+  pirate_id: jack

test/fixtures/pirate.rb

@@ -2,4 +2,5 @@ class Pirate < ActiveRecord::Base
   has_many :mateys
   has_many :treasures
   has_many :gold_pieces, :through => :treasures
+  has_one :parrot
 end

test/schema.rb

@@ -5,6 +5,11 @@
     t.column :age, :string
   end
 
+  create_table :parrots, :force => true do |t|
+    t.column :name, :string
+    t.column :pirate_id, :integer
+  end
+
   create_table :mateys, :force => true do |t|
     t.column :name, :string
     t.column :pirate_id, :integer