desiredLRP, err = etcdDB.DesiredLRPByProcessGuid(logger, lrp.ProcessGuid)
Expect(err).NotTo(HaveOccurred())
update = &models.DesiredLRPUpdate{}
})
Context("When the updates are valid", func() {
BeforeEach(func() {
annotation := "new-annotation"
instances := int32(16)
rawMessage := json.RawMessage([]byte(`{"port":8080,"hosts":["new-route-1","new-route-2"]}`))
update.Routes = &models.Routes{
"router": &rawMessage,
}
update.Annotation = &annotation
update.Instances = &instances
})
It("updates an existing DesireLRP", func() {
_, modelErr := etcdDB.UpdateDesiredLRP(logger, lrp.ProcessGuid, update)
Expect(modelErr).NotTo(HaveOccurred())
updated, modelErr := etcdDB.DesiredLRPByProcessGuid(logger, lrp.ProcessGuid)
Expect(modelErr).NotTo(HaveOccurred())
Expect(*updated.Routes).To(HaveKey("router"))
json, err := (*update.Routes)["router"].MarshalJSON()
Expect(err).NotTo(HaveOccurred())
updatedJson, err := (*updated.Routes)["router"].MarshalJSON()
Expect(err).NotTo(HaveOccurred())
}
desiredLRP.LegacyDownloadUser = "******"
assertDesiredLRPValidationFailsWithMessage(desiredLRP, "value")
})
})
})
})
var _ = Describe("DesiredLRPUpdate", func() {
var desiredLRPUpdate models.DesiredLRPUpdate
BeforeEach(func() {
two := int32(2)
someText := "some-text"
desiredLRPUpdate.Instances = &two
desiredLRPUpdate.Annotation = &someText
})
Describe("Validate", func() {
var assertDesiredLRPValidationFailsWithMessage = func(lrp models.DesiredLRPUpdate, substring string) {
validationErr := lrp.Validate()
Expect(validationErr).To(HaveOccurred())
Expect(validationErr.Error()).To(ContainSubstring(substring))
}
It("requires a positive nonzero number of instances", func() {
minusOne := int32(-1)
desiredLRPUpdate.Instances = &minusOne
assertDesiredLRPValidationFailsWithMessage(desiredLRPUpdate, "instances")
zero := int32(0)