[FEATURE] Menu should respond to #result with a string representation…

… of the digit buffer

CHANGELOG.md

@@ -7,7 +7,7 @@
   * Feature: `CallControll#join` can be made non-blocking by passing `:async => true`
   * Feature: `CallController#ask` now supports `:terminator` and `:limit` options to add early termination by terminator digit or digit limit conditions
   * Feature: `CallController#ask` may now have prompt interruptibility configured using `:interruptible => false`
-  * Change: `CallController#ask` now returns a menu object for establishing completion mode, etc
+  * Change: `CallController#ask` now returns a menu object for establishing completion mode, input buffer (#result), etc
 
 # 2.0.0.beta1 - 2012-03-07
   * Bugfix: #speak now correctly casts the argument to string if it is not SSML

lib/adhearsion/menu_dsl/menu.rb

@@ -35,6 +35,7 @@ def digit_buffer
       def digit_buffer_string
         digit_buffer.to_s
       end
+      alias :result :digit_buffer_string
 
       def digit_buffer_empty?
         digit_buffer.empty?

spec/adhearsion/menu_dsl/menu_spec.rb

@@ -114,6 +114,7 @@ module MenuDSL
           it "should add a digit to the buffer" do
             subject << 'a'
             subject.digit_buffer.should be == 'a'
+            subject.result.should be == 'a'
           end
         end