Golang test_helpers.SayLine函數代碼示例

			BeforeEach(func() {
				var err error
				tmpFile, err = ioutil.TempFile("", "tmp_json")
				Expect(err).ToNot(HaveOccurred())

				jsonContents = []byte(`{"Value":"test value"}`)
				Expect(ioutil.WriteFile(tmpFile.Name(), jsonContents, 0700)).To(Succeed())
			})

			It("submits a task from json", func() {
				fakeTaskRunner.SubmitTaskReturns("some-task", nil)

				args := []string{tmpFile.Name()}
				test_helpers.ExecuteCommandWithArgs(submitTaskCommand, args)

				Expect(outputBuffer).To(test_helpers.SayLine(colors.Green("Successfully submitted some-task")))
				Expect(fakeTaskRunner.SubmitTaskCallCount()).To(Equal(1))
				Expect(fakeTaskRunner.SubmitTaskArgsForCall(0)).To(Equal(jsonContents))
			})

			It("prints an error returned by the task_runner", func() {
				fakeTaskRunner.SubmitTaskReturns("some-task", errors.New("taskypoo"))

				args := []string{tmpFile.Name()}
				test_helpers.ExecuteCommandWithArgs(submitTaskCommand, args)

				Expect(fakeTaskRunner.SubmitTaskCallCount()).To(Equal(1))
				Expect(fakeTaskRunner.SubmitTaskArgsForCall(0)).To(Equal(jsonContents))

				Expect(outputBuffer).To(test_helpers.SayLine("Error submitting some-task: taskypoo"))
				Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.CommandFailed}))

	Describe("SSHCommand", func() {
		var sshCommand cli.Command

		BeforeEach(func() {
			commandFactory := command_factory.NewSSHCommandFactory(config, terminalUI, fakeExitHandler, fakeAppExaminer, fakeSSH)
			sshCommand = commandFactory.MakeSSHCommand()
		})

		Context("when connecting fails", func() {
			It("should print an error", func() {
				fakeAppExaminer.AppStatusReturns(app_examiner.AppInfo{ActualRunningInstances: 1}, nil)
				fakeSSH.ConnectReturns(errors.New("connection failed"))

				test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"good-name"})

				Expect(outputBuffer).To(test_helpers.SayLine("Error connecting to good-name/0: connection failed"))

				Expect(fakeSSH.ConnectCallCount()).To(Equal(1))
				Expect(fakeSSH.ForwardCallCount()).To(Equal(0))
				Expect(fakeSSH.ShellCallCount()).To(Equal(0))
				Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.CommandFailed}))
			})
		})

		Describe("port forwarding", func() {
			It("should forward a local port to a remote host and port", func() {
				fakeAppExaminer.AppStatusReturns(app_examiner.AppInfo{ActualRunningInstances: 1}, nil)

				test_helpers.ExecuteCommandWithArgs(sshCommand, []string{"app-name", "-N", "-L", "mrlocalhost:1234:remotehost:5678"})

				Expect(outputBuffer).To(test_helpers.SayLine("Forwarding mrlocalhost:1234 to remotehost:5678 via app-name/0 at %s", config.Target()))

			Expect(outputBuffer).To(test_helpers.Say("Cell ID"))
			Expect(outputBuffer).To(test_helpers.Say("cell-01"))
			Expect(outputBuffer).To(test_helpers.Say("Status"))
			Expect(outputBuffer).To(test_helpers.Say(colors.Red("COMPLETED")))
			Expect(outputBuffer).NotTo(test_helpers.Say("Result"))
			Expect(outputBuffer).To(test_helpers.Say("Failure Reason"))
			Expect(outputBuffer).To(test_helpers.Say("womp womp"))

			Expect(fakeTaskExaminer.TaskStatusCallCount()).To(Equal(1))
			Expect(fakeTaskExaminer.TaskStatusArgsForCall(0)).To(Equal("boop"))
		})

		It("bails out when no task name passed", func() {
			test_helpers.ExecuteCommandWithArgs(taskCommand, []string{})

			Expect(outputBuffer).To(test_helpers.SayLine("Please input a valid TASK_GUID"))
			Expect(fakeTaskExaminer.TaskStatusCallCount()).To(Equal(0))
			Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.InvalidSyntax}))
		})

		Context("when the task examiner returns errors", func() {
			It("prints no task found when error is tasknotfound", func() {
				fakeTaskExaminer.TaskStatusReturns(task_examiner.TaskInfo{}, errors.New(task_examiner.TaskNotFoundErrorMessage))

				test_helpers.ExecuteCommandWithArgs(taskCommand, []string{"boop"})

				Expect(outputBuffer).To(test_helpers.Say(colors.Red("No task 'boop' was found")))
				Expect(fakeTaskExaminer.TaskStatusCallCount()).To(Equal(1))
				Expect(fakeTaskExaminer.TaskStatusArgsForCall(0)).To(Equal("boop"))
				Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.CommandFailed}))
			})

			Expect(createAppParams.Privileged).To(BeFalse())
			Expect(createAppParams.User).To(Equal("some-user"))
			Expect(createAppParams.CPUWeight).To(Equal(uint(57)))
			Expect(createAppParams.MemoryMB).To(Equal(12))
			Expect(createAppParams.DiskMB).To(Equal(12))
			Expect(createAppParams.Monitor.Method).To(Equal(app_runner.PortMonitor))
			Expect(createAppParams.Timeout).To(Equal(time.Second * 28))
			Expect(createAppParams.RouteOverrides).To(ContainExactly(app_runner.RouteOverrides{
				{HostnamePrefix: "route-3000-yay", Port: 3000},
				{HostnamePrefix: "route-1111-wahoo", Port: 1111},
				{HostnamePrefix: "route-1111-me-too", Port: 1111},
			}))
			Expect(createAppParams.NoRoutes).To(BeFalse())
			Expect(createAppParams.WorkingDir).To(Equal("/applications"))

			Expect(outputBuffer).To(test_helpers.SayLine("Creating App: cool-web-app"))
			Expect(outputBuffer).To(test_helpers.SayLine(colors.Green("cool-web-app is now running.")))
			Expect(outputBuffer).To(test_helpers.SayLine("App is reachable at:"))
			Expect(outputBuffer).To(test_helpers.SayLine(colors.Green("http://route-3000-yay.192.168.11.11.xip.io")))
			Expect(outputBuffer).To(test_helpers.SayLine(colors.Green("http://route-1111-wahoo.192.168.11.11.xip.io")))
			Expect(outputBuffer).To(test_helpers.SayLine(colors.Green("http://route-1111-me-too.192.168.11.11.xip.io")))
		})

		Context("when the PROCESS_GUID is passed in as --env", func() {
			It("sets the PROCESS_GUID to the value passed in", func() {
				fakeDockerMetadataFetcher.FetchMetadataReturns(&docker_metadata_fetcher.ImageMetadata{StartCommand: []string{""}}, nil)
				fakeAppExaminer.RunningAppInstancesInfoReturns(1, false, nil)

				args := []string{
					"app-to-start",
					"fun-org/app",

			fakeVersionManager.ServerVersionsReturns(version.ServerVersions{
				CfRelease:           "v219",
				CfRoutingRelease:    "v220",
				DiegoRelease:        "v221",
				GardenLinuxRelease:  "v222",
				LatticeRelease:      "v223",
				LatticeReleaseImage: "v224",
				Ltc:                 "v225",
				Receptor:            "v226",
			}, nil)
		})

		It("Prints the CLI and API versions", func() {
			test_helpers.ExecuteCommandWithArgs(versionCommand, []string{})

			Expect(outputBuffer).To(test_helpers.SayLine("Client version: 1.8.0"))
			Expect(outputBuffer).To(test_helpers.SayLine("CF release version: v219"))
			Expect(outputBuffer).To(test_helpers.SayLine("CF routing release version: v220"))
			Expect(outputBuffer).To(test_helpers.SayLine("Diego release version: v221"))
			Expect(outputBuffer).To(test_helpers.SayLine("Garden linux release version: v222"))
			Expect(outputBuffer).To(test_helpers.SayLine("Lattice release version: v223"))
			Expect(outputBuffer).To(test_helpers.SayLine("Lattice release image version: v224"))
			Expect(outputBuffer).To(test_helpers.SayLine("Receptor version: v226"))
		})

		Context("when the version manager returns an error", func() {
			It("should print an error", func() {
				fakeVersionManager.ServerVersionsReturns(version.ServerVersions{}, errors.New("failed"))

				test_helpers.ExecuteCommandWithArgs(versionCommand, []string{})

		})

		Context("when the archive path is a folder and exists", func() {
			BeforeEach(func() {
				fakeCFIgnore.ShouldIgnoreStub = func(path string) bool {
					return path == "some-ignored-file"
				}
			})

			It("zips up current working folder and uploads as the droplet name", func() {
				fakeZipper.IsZipFileReturns(false)
				fakeZipper.ZipReturns("xyz.zip", nil)

				test_helpers.ExecuteCommandWithArgs(buildDropletCommand, []string{"droplet-name", "http://some.url/for/buildpack"})

				Expect(outputBuffer).To(test_helpers.SayLine("Uploading application bits..."))
				Expect(outputBuffer).To(test_helpers.SayLine("Uploaded."))

				Expect(fakeBlobStoreVerifier.VerifyCallCount()).To(Equal(1))
				Expect(fakeBlobStoreVerifier.VerifyArgsForCall(0)).To(Equal(config))

				Expect(outputBuffer).To(test_helpers.SayLine("Submitted build of droplet-name"))
				Expect(fakeDropletRunner.UploadBitsCallCount()).To(Equal(1))
				dropletName, uploadPath := fakeDropletRunner.UploadBitsArgsForCall(0)
				Expect(dropletName).To(Equal("droplet-name"))

				Expect(uploadPath).NotTo(BeNil())
				Expect(uploadPath).To(Equal("xyz.zip"))

				Expect(fakeZipper.ZipCallCount()).To(Equal(1))
				_, cfIgnore := fakeZipper.ZipArgsForCall(0)

		BeforeEach(func() {
			commandFactory := command_factory.NewConfigCommandFactory(config, terminalUI, fakeTargetVerifier, fakeBlobStoreVerifier, fakeExitHandler)
			targetCommand = commandFactory.MakeTargetCommand()

			config.SetTarget("oldtarget.com")
			config.SetLogin("olduser", "oldpass")
			Expect(config.Save()).To(Succeed())
		})

		Context("displaying the target", func() {
			JustBeforeEach(func() {
				test_helpers.ExecuteCommandWithArgs(targetCommand, []string{})
			})

			It("outputs the current user and target host", func() {
				Expect(outputBuffer).To(test_helpers.SayLine("Target:\t\[email protected]"))
			})

			Context("when no username is set", func() {
				BeforeEach(func() {
					config.SetLogin("", "")
					Expect(config.Save()).To(Succeed())
				})

				It("only prints the target", func() {
					Expect(outputBuffer).To(test_helpers.SayLine("Target:\t\toldtarget.com"))
				})
			})

			Context("when no target is set", func() {
				BeforeEach(func() {

		BeforeEach(func() {
			commandFactory := command_factory.NewConfigCommandFactory(config, terminalUI, fakeTargetVerifier, fakeBlobStoreVerifier, fakeExitHandler, fakeVersionManager)
			targetCommand = commandFactory.MakeTargetCommand()

			config.SetTarget("oldtarget.com")
			config.SetLogin("olduser", "oldpass")
			Expect(config.Save()).To(Succeed())
		})

		Context("displaying the target", func() {
			JustBeforeEach(func() {
				test_helpers.ExecuteCommandWithArgs(targetCommand, []string{})
			})

			It("outputs the current user and target host", func() {
				Expect(outputBuffer).To(test_helpers.SayLine("Target:\t\[email protected]"))
			})

			Context("when no username is set", func() {
				BeforeEach(func() {
					config.SetLogin("", "")
					Expect(config.Save()).To(Succeed())
				})

				It("only prints the target", func() {
					Expect(outputBuffer).To(test_helpers.SayLine("Target:\t\toldtarget.com"))
				})
			})

			Context("when no target is set", func() {
				BeforeEach(func() {

			Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("No compatible container")))

			Expect(outputBuffer).To(test_helpers.Say(colors.Bold("task-guid-3")))
			Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("N/A")))
			Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("COMPLETED")))
			Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("N/A")))
			Expect(outputBuffer).To(test_helpers.Say(colors.NoColor("N/A")))
		})

		It("alerts the user if there are no apps or tasks", func() {
			fakeAppExaminer.ListAppsReturns([]app_examiner.AppInfo{}, nil)
			fakeTaskExaminer.ListTasksReturns([]task_examiner.TaskInfo{}, nil)

			test_helpers.ExecuteCommandWithArgs(listAppsCommand, []string{})

			Expect(outputBuffer).To(test_helpers.SayLine("No apps to display."))
			Expect(outputBuffer).To(test_helpers.Say("No tasks to display."))
		})

		Context("when the app examiner returns an error", func() {
			It("alerts the user fetching the app list returns an error", func() {
				fakeAppExaminer.ListAppsReturns(nil, errors.New("The list was lost"))
				listTasks := []task_examiner.TaskInfo{
					{
						TaskGuid:      "task-guid-1",
						CellID:        "cell-01",
						Failed:        false,
						FailureReason: "",
						Result:        "Finished",
						State:         "COMPLETED",
					},

				DiegoRelease:        "v221",
				GardenLinuxRelease:  "v222",
				LatticeRelease:      "some-server-lattice-sha",
				LatticeReleaseImage: "some-server-lattice-image-sha",
				LTC:                 "v225",
				Receptor:            "v226",
			}, nil)
		})

		It("Prints the CLI and API versions", func() {
			test_helpers.ExecuteCommandWithArgs(versionCommand, []string{})

			Expect(fakeVersionManager.ServerVersionsCallCount()).To(Equal(1))
			Expect(fakeVersionManager.ServerVersionsArgsForCall(0)).To(Equal("http://receptor.lattice.xip.io"))

			Expect(outputBuffer).To(test_helpers.SayLine("Client: some-client-lattice-sha"))
			Expect(outputBuffer).To(test_helpers.SayLine("Server: some-server-lattice-sha"))
			Expect(outputBuffer).To(test_helpers.SayLine("\tImage: some-server-lattice-image-sha"))
			Expect(outputBuffer).To(test_helpers.SayLine("\tCF: v219"))
			Expect(outputBuffer).To(test_helpers.SayLine("\tDiego: v221"))
			Expect(outputBuffer).To(test_helpers.SayLine("\tGarden-Linux: v222"))
			Expect(outputBuffer).To(test_helpers.SayLine("\tRouting: v220"))
		})

		Context("when the version manager returns an error", func() {
			It("should print an error", func() {
				fakeVersionManager.ServerVersionsReturns(version.ServerVersions{}, errors.New("failed"))

				test_helpers.ExecuteCommandWithArgs(versionCommand, []string{})

				Expect(outputBuffer).To(test_helpers.SayLine("Error: failed"))

		fakeExitHandler = &fake_exit_handler.FakeExitHandler{}
		fakeSync = &mocks.FakeSync{}
	})

	Describe("SyncCommand", func() {
		var syncCommand cli.Command

		BeforeEach(func() {
			commandFactory := command_factory.NewSyncCommandFactory(config, terminalUI, fakeExitHandler, "darwin", "/fake/ltc", fakeSync)
			syncCommand = commandFactory.MakeSyncCommand()
		})

		It("should sync ltc", func() {
			test_helpers.ExecuteCommandWithArgs(syncCommand, []string{})

			Expect(outputBuffer).To(test_helpers.SayLine("Updated ltc to the latest version."))
			Expect(fakeSync.SyncLTCCallCount()).To(Equal(1))
			actualLTCPath, actualArch, actualConfig := fakeSync.SyncLTCArgsForCall(0)
			Expect(actualLTCPath).To(Equal("/fake/ltc"))
			Expect(actualArch).To(Equal("osx"))
			Expect(actualConfig).To(Equal(config))
		})

		Context("when not targeted", func() {
			It("should print an error", func() {
				config.SetTarget("")

				test_helpers.ExecuteCommandWithArgs(syncCommand, []string{})

				Expect(outputBuffer).To(test_helpers.SayLine("Error: Must be targeted to sync."))
				Expect(fakeSync.SyncLTCCallCount()).To(Equal(0))

			test_helpers.ExecuteCommandWithArgs(logsCommand, []string{})

			Expect(outputBuffer).To(test_helpers.SayIncorrectUsage())
			Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.InvalidSyntax}))
		})

		It("handles non existent application", func() {
			appExaminer.AppExistsReturns(false, nil)
			taskExaminer.TaskStatusReturns(task_examiner.TaskInfo{}, errors.New("task not found"))

			doneChan := test_helpers.AsyncExecuteCommandWithArgs(logsCommand, []string{"non_existent_app"})

			Eventually(fakeTailedLogsOutputter.OutputTailedLogsCallCount).Should(Equal(1))
			Expect(fakeTailedLogsOutputter.OutputTailedLogsArgsForCall(0)).To(Equal("non_existent_app"))

			Eventually(outputBuffer).Should(test_helpers.SayLine("Application or task non_existent_app not found."))
			Eventually(outputBuffer).Should(test_helpers.SayLine("Tailing logs and waiting for non_existent_app to appear..."))

			Consistently(doneChan).ShouldNot(BeClosed())
		})

		It("handles tasks", func() {
			appExaminer.AppExistsReturns(false, nil)
			taskExaminer.TaskStatusReturns(task_examiner.TaskInfo{}, nil)

			doneChan := test_helpers.AsyncExecuteCommandWithArgs(logsCommand, []string{"task-guid"})

			Eventually(fakeTailedLogsOutputter.OutputTailedLogsCallCount).Should(Equal(1))
			Expect(fakeTailedLogsOutputter.OutputTailedLogsArgsForCall(0)).To(Equal("task-guid"))

			Consistently(doneChan).ShouldNot(BeClosed())

			BeforeEach(func() {
				tmpDir = os.TempDir()
				var err error
				tmpFile, err = ioutil.TempFile(tmpDir, "tmp_json")
				Expect(err).NotTo(HaveOccurred())

				Expect(ioutil.WriteFile(tmpFile.Name(), []byte(`{"Value":"test value"}`), 0700)).To(Succeed())
			})

			It("creates an app from json", func() {
				fakeAppRunner.SubmitLrpReturns("my-json-app", nil)

				args := []string{tmpFile.Name()}
				test_helpers.ExecuteCommandWithArgs(submitLrpCommand, args)

				Expect(outputBuffer).To(test_helpers.SayLine(colors.Green("Successfully submitted my-json-app.")))
				Expect(outputBuffer).To(test_helpers.SayLine("To view the status of your application: ltc status my-json-app"))
				Expect(fakeAppRunner.SubmitLrpCallCount()).To(Equal(1))
				Expect(fakeAppRunner.SubmitLrpArgsForCall(0)).To(Equal([]byte(`{"Value":"test value"}`)))
			})

			It("prints an error returned by the app_runner", func() {
				fakeAppRunner.SubmitLrpReturns("app-that-broke", errors.New("some error"))
				args := []string{tmpFile.Name()}
				test_helpers.ExecuteCommandWithArgs(submitLrpCommand, args)

				Expect(outputBuffer).To(test_helpers.SayLine("Error creating app-that-broke: some error"))
				Expect(fakeAppRunner.SubmitLrpCallCount()).To(Equal(1))
				Expect(fakeExitHandler.ExitCalledWith).To(Equal([]int{exit_codes.CommandFailed}))
			})
		})

				Expect(cliApp).NotTo(BeNil())
				Expect(cliApp.Version).To(Equal("development (not versioned) (diego unknown)"))
			})
		})

		Describe("App.Action", func() {
			Context("when ltc is run without argument(s)", func() {
				It("prints app help", func() {
					cli.AppHelpTemplate = "HELP_TEMPLATE"
					flagSet := flag.NewFlagSet("flag_set", flag.ContinueOnError)
					flagSet.Parse([]string{})
					testContext := cli.NewContext(cliApp, flagSet, nil)

					cliApp.Action(testContext)

					Expect(outputBuffer).To(test_helpers.SayLine("ltc - Command line interface for Lattice."))
				})
			})

			Context("when ltc is run with argument(s)", func() {
				It("prints unknown command message", func() {
					flagSet := flag.NewFlagSet("flag_set", flag.ContinueOnError)
					flagSet.Parse([]string{"one_arg"})
					testContext := cli.NewContext(cliApp, flagSet, nil)

					cliApp.Action(testContext)

					Expect(outputBuffer).To(test_helpers.SayLine("ltc: 'one_arg' is not a registered command. See 'ltc help'"))
				})
			})
		})

		It("negated match", func() {
			Expect(outputBuffer).NotTo(test_helpers.Say("match that"))
		})
		Context("when format string is passed with arguments", func() {
			It("matches with regex-escaped characters", func() {
				Expect(outputBuffer).To(test_helpers.Say(`match %s \|?-^$.(){}`, "this"))
			})
		})
	})

	Describe("SayLine", func() {
		BeforeEach(func() {
			outputBuffer.Write([]byte(`match this \|?-^$.(){}` + "\n"))
		})
		It("matches with regex-escaped characters", func() {
			Expect(outputBuffer).To(test_helpers.SayLine(`match this \|?-^$.(){}`))
		})
		It("negated match", func() {
			Expect(outputBuffer).NotTo(test_helpers.SayLine("match that"))
		})
		Context("when format string is passed with arguments", func() {
			It("matches with regex-escaped characters", func() {
				Expect(outputBuffer).To(test_helpers.SayLine(`match %s \|?-^$.(){}`, "this"))
			})
		})
	})

	Describe("SayIncorrectUsage", func() {
		It("matches", func() {
			outputBuffer.Write([]byte("Incorrect Usage"))
			Expect(outputBuffer).To(test_helpers.SayIncorrectUsage())