Golang DesiredLRP.Instances方法代碼示例

				Expect(response.Error).To(Equal(models.ErrUnknownError))
			})
		})
	})

	Describe("DesireDesiredLRP", func() {
		var (
			desiredLRP *models.DesiredLRP

			requestBody interface{}
		)

		BeforeEach(func() {
			desiredLRP = model_helpers.NewValidDesiredLRP("some-guid")
			desiredLRP.Instances = 5
			requestBody = &models.DesireLRPRequest{
				DesiredLrp: desiredLRP,
			}
		})

		JustBeforeEach(func() {
			request := newTestRequest(requestBody)
			handler.DesireDesiredLRP(logger, responseRecorder, request)
		})

		Context("when creating desired lrp in DB succeeds", func() {
			var createdActualLRPGroups []*models.ActualLRPGroup

			BeforeEach(func() {
				createdActualLRPGroups = []*models.ActualLRPGroup{}

				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())))

			routes := models.Routes{
				"blah": (*json.RawMessage)(&routeContent),
			}
			annotation := "annotated"
			update = &models.DesiredLRPUpdate{
				Instances:  &instances,
				Routes:     &routes,
				Annotation: &annotation,
			}
			_, err := sqlDB.UpdateDesiredLRP(logger, expectedDesiredLRP.ProcessGuid, update)
			Expect(err).NotTo(HaveOccurred())

			desiredLRP, err := sqlDB.DesiredLRPByProcessGuid(logger, expectedDesiredLRP.ProcessGuid)
			Expect(err).NotTo(HaveOccurred())

			expectedDesiredLRP.Instances = instances
			expectedDesiredLRP.Annotation = annotation
			expectedDesiredLRP.Routes = &routes
			expectedDesiredLRP.ModificationTag.Increment()

			Expect(desiredLRP).To(BeEquivalentTo(expectedDesiredLRP))
		})

		It("returns the desired lrp from before the update", func() {
			instances := int32(20)
			update = &models.DesiredLRPUpdate{
				Instances: &instances,
			}

			beforeDesiredLRP, err := sqlDB.UpdateDesiredLRP(logger, expectedDesiredLRP.ProcessGuid, update)
			Expect(err).NotTo(HaveOccurred())

				Expect(response.Error).To(Equal(models.ErrUnknownError))
			})
		})
	})

	Describe("DesireDesiredLRP_r0", func() {
		var (
			desiredLRP         *models.DesiredLRP
			expectedDesiredLRP *models.DesiredLRP

			requestBody interface{}
		)

		BeforeEach(func() {
			desiredLRP = model_helpers.NewValidDesiredLRP("some-guid")
			desiredLRP.Instances = 5
			desiredLRP.StartTimeoutMs = 0
			desiredLRP.DeprecatedStartTimeoutS = 15
			desiredLRP.Setup = &models.Action{
				TimeoutAction: &models.TimeoutAction{
					Action: models.WrapAction(&models.UploadAction{
						From: "web_location",
						To:   "potato",
						User: "face",
					}),
					DeprecatedTimeoutNs: int64(time.Second),
				},
			}
			desiredLRP.Action = &models.Action{
				TimeoutAction: &models.TimeoutAction{
					Action: models.WrapAction(&models.UploadAction{

				}(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")
		})