lib/kanina/subscription.rb in kanina-0.6.0 vs lib/kanina/subscription.rb in kanina-0.6.1

@@ -20,10 +20,10 @@
       include Kanina::Logger
 
       # Helper method to return the channel that Kanina::Server is talking on.
       # @return [Bunny::Channel]
       def channel
-        Kanina::Server.channel
+        Kanina::Server.channel or fail 'Kanina::Server.channel is not open'
       end
 
       # Begins subscribing to the specified queue (or binds to an exchange and
       # sets up an anonymous queue). The block is called for every message
       # received, and data is passed in as a plain Ruby hash.