func Test_ShowAppHelp_NoAuthor(t *testing.T) {
output := new(bytes.Buffer)
app := cli.NewApp()
app.Writer = output
c := cli.NewContext(app, nil, nil)
cli.ShowAppHelp(c)
if bytes.Index(output.Bytes(), []byte("AUTHOR(S):")) != -1 {
t.Errorf("expected\n%snot to include %s", output.String(), "AUTHOR(S):")
}
}
func doBefore(c *cli.Context) error {
args := c.Args()
if len(args) == 0 {
cli.ShowAppHelp(c)
os.Exit(1)
}
for _, arg := range args {
ok, _ := regexp.MatchString(`\.ya?ml$`, arg)
if !ok {
fmt.Println(arg + " is not yaml file.")
os.Exit(2)
}
}
return nil
}