Ω(startStopListener.Starts[0].AppGuid).Should(Equal(app.AppGuid))
Ω(startStopListener.Starts[0].AppVersion).Should(Equal(app.AppVersion))
Ω(startStopListener.Starts[0].InstanceIndex).Should(Equal(0))
})
})
})
Describe("Deterministic evacuation", func() {
Context("when an app enters the evacuation state", func() {
var evacuatingHeartbeat models.InstanceHeartbeat
BeforeEach(func() {
Ω(startStopListener.Starts).Should(BeEmpty())
Ω(startStopListener.Stops).Should(BeEmpty())
evacuatingHeartbeat = app.InstanceAtIndex(0).Heartbeat()
evacuatingHeartbeat.State = models.InstanceStateEvacuating
simulator.SetCurrentHeartbeats(dea.HeartbeatWith(evacuatingHeartbeat))
simulator.Tick(1)
})
It("should immediately start the app", func() {
Ω(startStopListener.Starts).Should(HaveLen(1))
Ω(startStopListener.Starts[0].AppGuid).Should(Equal(app.AppGuid))
Ω(startStopListener.Starts[0].AppVersion).Should(Equal(app.AppVersion))
Ω(startStopListener.Starts[0].InstanceIndex).Should(Equal(0))
Ω(startStopListener.Stops).Should(BeEmpty())
})
Context("when the app starts", func() {
BeforeEach(func() {
))
})
It("should save the instance heartbeats for the passed-in heartbeat", func() {
results, err := store.GetInstanceHeartbeats()
Ω(err).ShouldNot(HaveOccurred())
Ω(results).Should(HaveLen(2))
Ω(results).Should(ContainElement(dea.GetApp(0).InstanceAtIndex(1).Heartbeat()))
Ω(results).Should(ContainElement(dea.GetApp(1).InstanceAtIndex(3).Heartbeat()))
})
Context("when there are already instance heartbeats stored for the DEA in question", func() {
var modifiedHeartbeat models.InstanceHeartbeat
BeforeEach(func() {
modifiedHeartbeat = dea.GetApp(1).InstanceAtIndex(3).Heartbeat()
modifiedHeartbeat.State = models.InstanceStateEvacuating
store.SyncHeartbeats(dea.HeartbeatWith(
modifiedHeartbeat,
dea.GetApp(2).InstanceAtIndex(2).Heartbeat(),
))
})
It("should sync the heartbeats (add new ones, adjust ones that have changed state, and delete old ones)", func() {
results, err := store.GetInstanceHeartbeats()
Ω(err).ShouldNot(HaveOccurred())
Ω(results).Should(HaveLen(2))
Ω(results).Should(ContainElement(modifiedHeartbeat))
Ω(results).Should(ContainElement(dea.GetApp(2).InstanceAtIndex(2).Heartbeat()))
})
})