Ejemplo n.º 1
0
func TestApp_RunAsSubcommandParseFlags(t *testing.T) {
	var context *cli.Context

	a := cli.NewApp()
	a.Commands = []cli.Command{
		{
			Name: "foo",
			Action: func(c *cli.Context) {
				context = c
			},
			Flags: []cli.Flag{
				cli.StringFlag{
					Name:  "lang",
					Value: "english",
					Usage: "language for the greeting",
				},
			},
			Before: func(_ *cli.Context) error { return nil },
		},
	}
	a.Run([]string{"", "foo", "--lang", "spanish", "abcd"})

	expect(t, context.Args().Get(0), "abcd")
	expect(t, context.String("lang"), "spanish")
}
Ejemplo n.º 2
0
// Retrieve value of a required flag
func requiredFlag(c *cli.Context, flag string) string {
	value := c.String(flag)
	if value == "" {
		fmt.Fprintf(os.Stderr, "missing required flag --%s\n", flag)
		os.Exit(1)
	}
	return value
}