Adding duck typing methods to NodeAttribute#to_s

lib/diaspora-cluster-creator/node_attribute.rb

@@ -27,6 +27,10 @@ def value=(new_value)
         def to_i
           value
         end
+
+        def to_s
+          "#{super}#{to_i}"
+        end
       end
     end
   end

spec/diaspora-cluster-creator/node_attribute_spec.rb

@@ -6,6 +6,14 @@
   let(:node) { Object.new }
   let(:attribute) { Object.new }
 
+  describe '#to_s' do
+    it 'should incorporate attribute' do
+      with_loaded_dice(-4, subject) do
+        subject.to_s.must_equal "#{attribute}-4"
+      end
+    end
+  end
+
   describe '#to_i' do
     it 'should be the value' do
       with_loaded_dice(4, subject) do