db.WatchForDesiredLRPChangesReturns(desiredLRPStop, desiredLRPErrors)
db.WatchForActualLRPChangesReturns(actualLRPStop, actualLRPErrors)
bbsWatcher = watcher.NewWatcher(logger, db, hub, clock, retryWaitDuration)
})
AfterEach(func() {
process.Signal(os.Interrupt)
Eventually(process.Wait()).Should(Receive())
})
Describe("starting", func() {
Context("when the hub initially reports no subscribers", func() {
BeforeEach(func() {
hub.RegisterCallbackStub = func(cb func(int)) {
cb(0)
}
process = ifrit.Invoke(bbsWatcher)
})
It("does not request a watch", func() {
Consistently(db.WatchForDesiredLRPChangesCallCount).Should(BeZero())
Consistently(db.WatchForActualLRPChangesCallCount).Should(BeZero())
})
Context("and then the hub reports a subscriber", func() {
var callback func(int)
BeforeEach(func() {
Expect(hub.RegisterCallbackCallCount()).To(Equal(1))
callback = hub.RegisterCallbackArgsForCall(0)
