spec/cucumber/ast/py_string_spec.rb in aslakhellesoy-cucumber-0.1.100.3 vs spec/cucumber/ast/py_string_spec.rb in aslakhellesoy-cucumber-0.1.100.4

@@ -31,9 +31,16 @@
           py_string_with_replaced_arg = @ps.arguments_replaced({'<book>' => 'Life is elsewhere'})
           
           @ps.to_s.should_not include("Life is elsewhere")
         end
 
+        it "should replaced nil with empty string" do
+          ps = PyString.new(10, 13, "'<book>'", 0)
+          py_string_with_replaced_arg = ps.arguments_replaced({'<book>' => nil}) 
+          
+          py_string_with_replaced_arg.to_s.should == "''"
+        end
+
       end
       
     end
   end
 end
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