spec/mongo/server/monitor_spec.rb in mongo-2.0.0.rc vs spec/mongo/server/monitor_spec.rb in mongo-2.0.0

@@ -10,9 +10,23 @@
     Mongo::Event::Listeners.new
   end
 
   describe '#scan!' do
 
+    context 'when calling multiple times in succession' do
+
+      let(:monitor) do
+        described_class.new(address, listeners)
+      end
+
+      it 'throttles the scans to minimum 500ms' do
+        start = Time.now
+        monitor.scan!
+        monitor.scan!
+        expect(Time.now - start).to be > 0.5
+      end
+    end
+
     context 'when the ismaster command succeeds' do
 
       let(:monitor) do
         described_class.new(address, listeners)
       end