Safety check before using row values.

FossilOrigin-Name: 762164d99717433a03474f5e927c58540f5a2863404e3c69f8f83fd04cad624f

lib/symphony/metronome/scheduledevent.rb

@@ -180,8 +180,12 @@ class Symphony::Metronome::ScheduledEvent
 			#
 			if self.event.recurring
 				now = Time.now
-				last = self.ds.first[ :lastrun ]
+				row = self.ds.first
+
+				if row
+					last = row[ :lastrun ]
 					return false if last && now - last < self.event.interval
+				end
 
 				# Mark the time this recurring event was fired.
 				self.ds.update( :lastrun => Time.now )

spec/symphony/metronome/scheduler_spec.rb

@@ -9,11 +9,6 @@ describe Symphony::Metronome::Scheduler do
 		described_class.configure
 	end
 
-	it 'spins up an AMQP listener by default' do
-
-		# described_class.run {}
-		# expect( described_class.listen ).to eq( :sd )
-
-	end
+	# needs tests
 end