func NewEventFromBBS(bbsEvent models.Event) (receptor.Event, error) {
switch bbsEvent := bbsEvent.(type) {
case *models.ActualLRPCreatedEvent:
actualLRP, evacuating := bbsEvent.ActualLrpGroup.Resolve()
return receptor.NewActualLRPCreatedEvent(serialization.ActualLRPProtoToResponse(actualLRP, evacuating)), nil
case *models.ActualLRPChangedEvent:
before, evacuating := bbsEvent.Before.Resolve()
after, evacuating := bbsEvent.After.Resolve()
return receptor.NewActualLRPChangedEvent(
serialization.ActualLRPProtoToResponse(before, evacuating),
serialization.ActualLRPProtoToResponse(after, evacuating),
), nil
case *models.ActualLRPRemovedEvent:
actualLRP, evacuating := bbsEvent.ActualLrpGroup.Resolve()
return receptor.NewActualLRPRemovedEvent(serialization.ActualLRPProtoToResponse(actualLRP, evacuating)), nil
case *models.DesiredLRPCreatedEvent:
return receptor.NewDesiredLRPCreatedEvent(serialization.DesiredLRPProtoToResponse(bbsEvent.DesiredLrp)), nil
case *models.DesiredLRPChangedEvent:
return receptor.NewDesiredLRPChangedEvent(
serialization.DesiredLRPProtoToResponse(bbsEvent.Before),
serialization.DesiredLRPProtoToResponse(bbsEvent.After),
), nil
case *models.DesiredLRPRemovedEvent:
return receptor.NewDesiredLRPRemovedEvent(serialization.DesiredLRPProtoToResponse(bbsEvent.DesiredLrp)), nil
}
return nil, fmt.Errorf("unknown event type: %#v", bbsEvent)
}
func (w *watcher) watchDesired(logger lager.Logger) (chan<- bool, <-chan error) {
return w.bbs.WatchForDesiredLRPChanges(logger,
func(created models.DesiredLRP) {
logger.Debug("handling-desired-create")
w.hub.Emit(receptor.NewDesiredLRPCreatedEvent(serialization.DesiredLRPToResponse(created)))
},
func(changed models.DesiredLRPChange) {
logger.Debug("handling-desired-change")
w.hub.Emit(receptor.NewDesiredLRPChangedEvent(
serialization.DesiredLRPToResponse(changed.Before),
serialization.DesiredLRPToResponse(changed.After),
))
},
func(deleted models.DesiredLRP) {
logger.Debug("handling-desired-delete")
w.hub.Emit(receptor.NewDesiredLRPRemovedEvent(serialization.DesiredLRPToResponse(deleted)))
})
}
It("returns the event", func() {
event, err := eventSource.Next()
Expect(err).NotTo(HaveOccurred())
desiredLRPCreateEvent, ok := event.(receptor.DesiredLRPCreatedEvent)
Expect(ok).To(BeTrue())
Expect(desiredLRPCreateEvent).To(Equal(expectedEvent))
})
})
Context("when receiving a DesiredLRPChangedEvent", func() {
var expectedEvent receptor.DesiredLRPChangedEvent
BeforeEach(func() {
expectedEvent = receptor.NewDesiredLRPChangedEvent(
desiredLRPResponse,
desiredLRPResponse,
)
payload, err := json.Marshal(expectedEvent)
Expect(err).NotTo(HaveOccurred())
fakeRawEventSource.NextReturns(
sse.Event{
ID: "hi",
Name: string(expectedEvent.EventType()),
Data: payload,
},
nil,
)
})
It("returns the event", func() {