func MakeCliApp( diegoVersion string, latticeVersion string, ltcConfigRoot string, exitHandler exit_handler.ExitHandler, config *config.Config, logger lager.Logger, receptorClientCreator receptor_client.Creator, targetVerifier target_verifier.TargetVerifier, cliStdout io.Writer, ) *cli.App { config.Load() app := cli.NewApp() app.Name = AppName app.Author = latticeCliAuthor app.Version = defaultVersion(diegoVersion, latticeVersion) app.Usage = LtcUsage app.Email = "*****@*****.**" ui := terminal.NewUI(os.Stdin, cliStdout, terminal.NewPasswordReader()) app.Writer = ui app.Before = func(context *cli.Context) error { args := context.Args() command := app.Command(args.First()) if command == nil { return nil } if _, ok := nonTargetVerifiedCommandNames[command.Name]; ok || len(args) == 0 { return nil } for _, arg := range args { if arg == "-h" || arg == "--help" { return nil } } if receptorUp, authorized, err := targetVerifier.VerifyTarget(config.Receptor()); !receptorUp { ui.SayLine(fmt.Sprintf("Error connecting to the receptor. Make sure your lattice target is set, and that lattice is up and running.\n\tUnderlying error: %s", err)) return err } else if !authorized { ui.SayLine("Could not authenticate with the receptor. Please run ltc target with the correct credentials.") return errors.New("Could not authenticate with the receptor.") } return nil } app.Action = defaultAction app.CommandNotFound = func(c *cli.Context, command string) { ui.SayLine(fmt.Sprintf(unknownCommand, command)) exitHandler.Exit(1) } app.Commands = cliCommands(ltcConfigRoot, exitHandler, config, logger, receptorClientCreator, targetVerifier, ui, latticeVersion) return app }
import ( "fmt" "os" "syscall" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" "github.com/onsi/gomega/gbytes" "github.com/cloudfoundry-incubator/ltc/exit_handler" ) var _ = Describe("ExitHandler", func() { var ( buffer *gbytes.Buffer exitFunc func(int) signalChan chan os.Signal exitHandler exit_handler.ExitHandler ) BeforeEach(func() { buffer = gbytes.NewBuffer() exitFunc = func(code int) { buffer.Write([]byte(fmt.Sprintf("Exit-Code=%d", code))) } signalChan = make(chan os.Signal) exitHandler = exit_handler.New(signalChan, exitFunc) go exitHandler.Run() exitHandler.OnExit(func() {