allow hipchat rooms_notified to accept a comma delimited string or array

lib/backup/notifier/hipchat.rb

@@ -49,6 +49,20 @@ def initialize(model, &block)
 
         instance_eval(&block) if block_given?
       end
+
+      def rooms_notified= rooms
+        if rooms.is_a?(Array)
+          @rooms_notified = rooms
+        elsif rooms.is_a?(String)
+          @rooms_notified = rooms.split(/,/).map(&:lstrip).map(&:rstrip)
+        else
+          Logger.error Errors::Hipchat::LoadError.new(<<-EOS)
+            Hipchat rooms_notified configuration error
+            #{rooms.class} (#{rooms.to_s}) provided,
+            Needs to be a String or Array
+          EOS
+        end
+      end
 
       private
 

spec/notifier/hipchat_spec.rb

@@ -105,7 +105,18 @@
         notifier.on_warning.should     == true
         notifier.on_failure.should     == true
       end
+
     end # context 'when pre-configured defaults have been set'
+
+    it 'should accept both an array and string for rooms_notified' do
+      notifier = Backup::Notifier::Hipchat.new(model)
+
+      notifier.rooms_notified         =  [ 'room3', 'room4' ]
+      notifier.rooms_notified.should  == [ 'room3', 'room4' ]
+      notifier.rooms_notified         =  'room5, room6'
+      notifier.rooms_notified.should  == [ 'room5', 'room6' ]
+      expect { notifier.rooms_notified = { 'room7' => nil} }.to raise_error
+    end
   end # describe '#initialize'
 
   describe '#notify!' do