def test_dhcpHandler_doesnt_add_to_needsDHCPUpdate(self):
rack_id = random.randint(0, 100)
listener = PostgresListenerService()
service = RackControllerService(sentinel.ipcWorker, listener)
mock_startProcessing = self.patch(service, "startProcessing")
service.dhcpHandler("sys_dhcp_%d" % rack_id, "")
self.assertEquals(set(), service.needsDHCPUpdate)
self.assertThat(mock_startProcessing, MockNotCalled())
def test_dhcpHandler_adds_to_needsDHCPUpdate(self):
rack_id = random.randint(0, 100)
listener = self.make_listener_without_delay()
service = RackControllerService(sentinel.ipcWorker, listener)
service.watching = set([rack_id])
mock_startProcessing = self.patch(service, "startProcessing")
service.dhcpHandler("sys_dhcp_%d" % rack_id, "")
self.assertEqual(set([rack_id]), service.needsDHCPUpdate)
self.assertThat(mock_startProcessing, MockCalledOnceWith())
