diff --git a/lib/testrocket.rb b/lib/testrocket.rb
index 7518be0..0cc470f 100644
--- a/lib/testrocket.rb
+++ b/lib/testrocket.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 ##
-# TestRocket Module to refine lambdas an use them for lightweight tests
+# TestRocket Module to refine procs and use them for lightweight tests
 #
 module TestRocket
   VERSION = '1.0.0'
@@ -12,26 +12,60 @@ module TestRocket
     # Include TestRocket methods WITHOUT implementation selected
     Proc.send :include, TestRocket
 
+    Kernel.define_method :production_env? do
+      ENV['RACK_ENV'] == 'production' ||
+        ((defined?(Rails) && Rails.env.production?)) ||
+        ENV['RAILS_ENV'] == 'production'
+    end
+
     # If we're in a production environment, the tests shall do nothing.
-    if ENV['RACK_ENV'] == 'production' ||
-       (defined?(Rails) && Rails.env.production?) ||
-       ENV['RAILS_ENV'] == 'production'
+    if production_env?
       def _test(a, b); end
       def _show(r); end
       def _pend; end
       def _desc; end
     else
-      def _test(a, b); send((call rescue()) ? a : b) end
-      def _show(r); (TestRocket.out || STDERR) << r + "\n"; r end
-      def _pass; '     OK' end
-      def _fail; "   FAIL @ #{source_location * ':'}" end
-      def _pend; "PENDING '#{call}' @ #{source_location * ':'}" end
-      def _desc; "   FIRE '#{call}'!" end
+      def _test(a, b)
+        res = (call rescue()) ? a : b
+        send(res)
+      end
+
+      def _show(r)
+        (TestRocket.out || STDERR) << r + "\n"
+        r
+      end
+
+      def _pass
+        "    OK"
+      end
+
+      def _fail
+        "    FAIL @ #{source_location * ':'}"
+      end
+
+      def _pend
+        "PENDING '#{call}' @ #{source_location * ':'}"
+      end
+
+      def _desc
+        "    FIRE '#{call}'!"
+      end
     end
 
-    def +@; _show _test :_pass, :_fail end
-    def -@; _show _test :_fail, :_pass end
-    def ~; _show _pend end
-    def !; _show _desc end
+    def +@
+      _show(_test(:_pass, :_fail))
+    end
+
+    def -@
+      _show(_test(:_fail, :_pass))
+    end
+
+    def ~
+      _show(_pend)
+    end
+
+    def !
+      _show(_desc)
+    end
   end
 end
\ No newline at end of file