lib/punchblock/command/join.rb in punchblock-1.7.1 vs lib/punchblock/command/join.rb in punchblock-1.8.0

@@ -3,10 +3,12 @@
 module Punchblock
   module Command
     class Join < CommandNode
       register :join, :core
 
+      VALID_DIRECTIONS = [:duplex, :send, :recv].freeze
+
       ##
       # Create a join command
       #
       # @param [Hash] options
       # @option options [String, Optional] :call_id the call ID to join
@@ -57,11 +59,14 @@
         read_attr :direction, :to_sym
       end
 
       ##
       # @param [String] other the direction in which media should flow. Can be :duplex, :recv or :send
-      def direction=(other)
-        write_attr :direction, other
+      def direction=(direction)
+        if direction && !VALID_DIRECTIONS.include?(direction.to_sym)
+          raise ArgumentError, "Invalid Direction (#{direction}), use: #{VALID_DIRECTIONS*' '}"
+        end
+        write_attr :direction, direction 
       end
 
       ##
       # @return [String] the method by which to negotiate media
       def media