Ω(messageBus.Subscriptions).Should(HaveKey("dea.advertise"))
Ω(messageBus.Subscriptions["dea.advertise"]).Should(HaveLen(1))
})
It("should start tracking store usage", func() {
Ω(usageTracker.DidStart).Should(BeTrue())
Ω(metricsAccountant.TrackedActualStateListenerStoreUsageFraction).Should(Equal(0.7))
})
It("should save heartbeats on a timer", func() {
Ω(timeProvider.TickerDurationFor(HeartbeatSyncTimer)).Should(Equal(conf.ListenerHeartbeatSyncInterval()))
})
Context("when the usage tracker is nil", func() {
It("should not track metrics (or blow up!)", func() {
metricsAccountant.TrackedActualStateListenerStoreUsageFraction = -1.0
listener = New(conf, messageBus, store, nil, metricsAccountant, timeProvider, logger)
Ω(func() {
listener.Start()
}).ShouldNot(Panic())
Ω(metricsAccountant.TrackedActualStateListenerStoreUsageFraction).Should(Equal(-1.0))
})
})
Context("When it receives a dea advertisement over the message bus", func() {
Context("and no heartbeat has been received recently", func() {
BeforeEach(func() {
messageBus.Subscriptions["dea.heartbeat"][0].Callback(&yagnats.Message{
Payload: app.Heartbeat(1).ToJSON(),
