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package cobra
import (
"bytes"
"fmt"
"os"
"os/exec"
"strings"
"testing"
)
var _ = fmt.Println
var _ = os.Stderr
func checkOmit(t *testing.T, found, unexpected string) {
if strings.Contains(found, unexpected) {
t.Errorf("Unexpected response.\nGot: %q\nBut should not have!\n", unexpected)
}
}
func check(t *testing.T, found, expected string) {
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
}
func runShellCheck(s string) error {
excluded := []string{
"SC2034", // PREFIX appears unused. Verify it or export it.
}
cmd := exec.Command("shellcheck", "-s", "bash", "-", "-e", strings.Join(excluded, ","))
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
stdin, err := cmd.StdinPipe()
if err != nil {
return err
}
go func() {
defer stdin.Close()
stdin.Write([]byte(s))
}()
return cmd.Run()
}
// World worst custom function, just keep telling you to enter hello!
const (
bashCompletionFunc = `__custom_func() {
COMPREPLY=( "hello" )
}
`
)
func TestBashCompletions(t *testing.T) {
c := initializeWithRootCmd()
cmdEcho.AddCommand(cmdTimes)
c.AddCommand(cmdEcho, cmdPrint, cmdDeprecated, cmdColon)
// custom completion function
c.BashCompletionFunction = bashCompletionFunc
// required flag
c.MarkFlagRequired("introot")
// valid nouns
validArgs := []string{"pod", "node", "service", "replicationcontroller"}
c.ValidArgs = validArgs
// noun aliases
argAliases := []string{"pods", "nodes", "services", "replicationcontrollers", "po", "no", "svc", "rc"}
c.ArgAliases = argAliases
// filename
var flagval string
c.Flags().StringVar(&flagval, "filename", "", "Enter a filename")
c.MarkFlagFilename("filename", "json", "yaml", "yml")
// persistent filename
var flagvalPersistent string
c.PersistentFlags().StringVar(&flagvalPersistent, "persistent-filename", "", "Enter a filename")
c.MarkPersistentFlagFilename("persistent-filename")
c.MarkPersistentFlagRequired("persistent-filename")
// filename extensions
var flagvalExt string
c.Flags().StringVar(&flagvalExt, "filename-ext", "", "Enter a filename (extension limited)")
c.MarkFlagFilename("filename-ext")
// filename extensions
var flagvalCustom string
c.Flags().StringVar(&flagvalCustom, "custom", "", "Enter a filename (extension limited)")
c.MarkFlagCustom("custom", "__complete_custom")
// subdirectories in a given directory
var flagvalTheme string
c.Flags().StringVar(&flagvalTheme, "theme", "", "theme to use (located in /themes/THEMENAME/)")
c.Flags().SetAnnotation("theme", BashCompSubdirsInDir, []string{"themes"})
out := new(bytes.Buffer)
c.GenBashCompletion(out)
str := out.String()
check(t, str, "_cobra-test")
check(t, str, "_cobra-test_echo")
check(t, str, "_cobra-test_echo_times")
check(t, str, "_cobra-test_print")
check(t, str, "_cobra-test_cmd__colon")
// check for required flags
check(t, str, `must_have_one_flag+=("--introot=")`)
check(t, str, `must_have_one_flag+=("--persistent-filename=")`)
// check for custom completion function
check(t, str, `COMPREPLY=( "hello" )`)
// check for required nouns
check(t, str, `must_have_one_noun+=("pod")`)
// check for noun aliases
check(t, str, `noun_aliases+=("pods")`)
check(t, str, `noun_aliases+=("rc")`)
checkOmit(t, str, `must_have_one_noun+=("pods")`)
// check for filename extension flags
check(t, str, `flags_completion+=("_filedir")`)
// check for filename extension flags
check(t, str, `flags_completion+=("__handle_filename_extension_flag json|yaml|yml")`)
// check for custom flags
check(t, str, `flags_completion+=("__complete_custom")`)
// check for subdirs_in_dir flags
check(t, str, `flags_completion+=("__handle_subdirs_in_dir_flag themes")`)
checkOmit(t, str, cmdDeprecated.Name())
// if available, run shellcheck against the script
if err := exec.Command("which", "shellcheck").Run(); err != nil {
return
}
err := runShellCheck(str)
if err != nil {
t.Fatalf("shellcheck failed: %v", err)
}
}
func TestBashCompletionHiddenFlag(t *testing.T) {
var cmdTrue = &Command{
Use: "does nothing",
Run: func(cmd *Command, args []string) {},
}
const flagName = "hidden-foo-bar-baz"
var flagValue bool
cmdTrue.Flags().BoolVar(&flagValue, flagName, false, "hidden flag")
cmdTrue.Flags().MarkHidden(flagName)
out := new(bytes.Buffer)
cmdTrue.GenBashCompletion(out)
bashCompletion := out.String()
if strings.Contains(bashCompletion, flagName) {
t.Errorf("expected completion to not include %q flag: Got %v", flagName, bashCompletion)
}
}
func TestBashCompletionDeprecatedFlag(t *testing.T) {
var cmdTrue = &Command{
Use: "does nothing",
Run: func(cmd *Command, args []string) {},
}
const flagName = "deprecated-foo-bar-baz"
var flagValue bool
cmdTrue.Flags().BoolVar(&flagValue, flagName, false, "hidden flag")
cmdTrue.Flags().MarkDeprecated(flagName, "use --does-not-exist instead")
out := new(bytes.Buffer)
cmdTrue.GenBashCompletion(out)
bashCompletion := out.String()
if strings.Contains(bashCompletion, flagName) {
t.Errorf("expected completion to not include %q flag: Got %v", flagName, bashCompletion)
}
}
|
