desiredLRP, err := etcdDB.DesiredLRPByProcessGuid(logger, lrp.GetProcessGuid())
Expect(err).NotTo(HaveOccurred())
Eventually(creates).Should(Receive(Equal(desiredLRP)))
})
It("sends an event down the pipe for updates", func() {
etcdHelper.SetRawDesiredLRP(lrp)
Eventually(creates).Should(Receive())
desiredBeforeUpdate, err := etcdDB.DesiredLRPByProcessGuid(logger, lrp.GetProcessGuid())
Expect(err).NotTo(HaveOccurred())
lrp.Instances = lrp.GetInstances() + 1
etcdHelper.SetRawDesiredLRP(lrp)
Expect(err).NotTo(HaveOccurred())
desiredAfterUpdate, err := etcdDB.DesiredLRPByProcessGuid(logger, lrp.GetProcessGuid())
Expect(err).NotTo(HaveOccurred())
Eventually(changes).Should(Receive(Equal(&models.DesiredLRPChange{
Before: desiredBeforeUpdate,
After: desiredAfterUpdate,
})))
})
It("sends an event down the pipe for deletes", func() {
etcdHelper.SetRawDesiredLRP(lrp)
etcdRunner.Start()
})
It("errors", func() {
_, err := etcdDB.DesiredLRPSchedulingInfos(logger, filter)
Expect(err).To(HaveOccurred())
})
})
})
Describe("DesireLRP", func() {
var lrp *models.DesiredLRP
BeforeEach(func() {
lrp = model_helpers.NewValidDesiredLRP("some-process-guid")
lrp.Instances = 5
})
Context("when the desired LRP does not yet exist", func() {
It("persists the scheduling info and run info", func() {
err := etcdDB.DesireLRP(logger, lrp)
Expect(err).NotTo(HaveOccurred())
persisted, err := etcdDB.DesiredLRPByProcessGuid(logger, "some-process-guid")
Expect(err).NotTo(HaveOccurred())
Expect(persisted.DesiredLRPKey()).To(Equal(lrp.DesiredLRPKey()))
Expect(persisted.DesiredLRPResource()).To(Equal(lrp.DesiredLRPResource()))
Expect(persisted.Annotation).To(Equal(lrp.Annotation))
Expect(persisted.Instances).To(Equal(lrp.Instances))
Expect(persisted.DesiredLRPRunInfo(clock.Now())).To(Equal(lrp.DesiredLRPRunInfo(clock.Now())))
}(validGuid)
}
invalidGuids := []string{"", "bang!", "!!!", "\\slash", "star*", "params()", "invalid/key", "with.dots"}
for _, invalidGuid := range invalidGuids {
func(invalidGuid string) {
It(fmt.Sprintf("'%s' is an invalid process_guid", invalidGuid), func() {
desiredLRP.ProcessGuid = invalidGuid
assertDesiredLRPValidationFailsWithMessage(desiredLRP, "process_guid")
})
}(invalidGuid)
}
})
It("requires a positive nonzero number of instances", func() {
desiredLRP.Instances = -1
assertDesiredLRPValidationFailsWithMessage(desiredLRP, "instances")
desiredLRP.Instances = 0
validationErr := desiredLRP.Validate()
Expect(validationErr).NotTo(HaveOccurred())
desiredLRP.Instances = 1
validationErr = desiredLRP.Validate()
Expect(validationErr).NotTo(HaveOccurred())
})
It("requires a domain", func() {
desiredLRP.Domain = ""
assertDesiredLRPValidationFailsWithMessage(desiredLRP, "domain")
})