Fix tests

lib/denko/spi/input_register.rb

@@ -78,9 +78,9 @@ def enable_proxy
       # Override Callbacks#update to make sure we handle :force_update
       # within the main mutex lock.
       #
-      def update(byte_string)
-        # Make sure to call #pre_callback_filter since overriding #update.
-        byte_array = pre_callback_filter(byte_string)
+      def update(message)
+        # Since overriding update, make sure this is a byte array first.
+        byte_array = ensure_byte_array(message)
 
         bits = byte_array_to_bit_array(byte_array)
 

lib/denko/spi/peripheral.rb

@@ -42,7 +42,7 @@ def spi_stop
           bus.stop(select_pin)
         end
 
-        def string_to_bytes(message)
+        def ensure_byte_array(message)
           if message.class == Array
             # Byte array coming from PiBoard.
             return message
@@ -53,8 +53,7 @@ def string_to_bytes(message)
         end
 
         def update(message)
-          puts message
-          super(string_to_bytes(message))
+          super(ensure_byte_array(message))
         end
       end