fix help (9cfd8af3) · Commits · pdn-certic / climax

go_port/cli_commands_test.go

+50 −0

Original line number	Diff line number	Diff line
		package main

		import (
		"bytes"
		"io"
		"os"
		"reflect"
		"sort"
		@@ -134,6 +136,26 @@ func TestHelpRunsForAllCLICommands(t *testing.T) {
		})
		}

		func TestCommandHelpShowsPositionalArgsInUsage(t *testing.T) {
		previous := currentLocale
		setLocale(localeFR)
		t.Cleanup(func() {
		setLocale(previous)
		})

		out := captureStdout(t, func() {
		root := newRootCmd()
		root.SetArgs([]string{"new", "--help"})
		if err := root.Execute(); err != nil {
		t.Fatalf("help execution failed for new --help: %v", err)
		}
		})

		if !strings.Contains(out, "climax new [OPTIONS] [directory]") {
		t.Fatalf("expected usage to include [directory], got:\n%s", out)
		}
		}

		func findSubCommand(t testing.T, root cobra.Command, name string) *cobra.Command {
		t.Helper()
		cmd, _, err := root.Find([]string{name})
		@@ -185,3 +207,31 @@ func withDiscardedStdIO(t *testing.T, fn func()) {

		fn()
		}

		func captureStdout(t *testing.T, fn func()) string {
		t.Helper()

		reader, writer, err := os.Pipe()
		if err != nil {
		t.Fatalf("failed to create stdout pipe: %v", err)
		}
		defer reader.Close()

		oldOut := os.Stdout
		os.Stdout = writer
		defer func() {
		os.Stdout = oldOut
		}()

		done := make(chan string, 1)
		go func() {
		var buf bytes.Buffer
		_, _ = io.Copy(&buf, reader)
		done <- buf.String()
		}()

		fn()

		_ = writer.Close()
		return <-done
		}

+13 −0

Original line number	Diff line number	Diff line
		@@ -2484,6 +2484,8 @@ func renderHelp(cmd *cobra.Command, _ []string) {
		usage := fmt.Sprintf("%s: %s [OPTIONS]", T("help.usage_prefix"), cmd.CommandPath())
		if cmd.HasAvailableSubCommands() {
		usage += fmt.Sprintf(" %s [%s]...", T("help.command_token"), T("help.args_token"))
		} else if argsSpec := commandArgsSpec(cmd); argsSpec != "" {
		usage += " " + argsSpec
		}
		fmt.Println(usage)
		fmt.Println()
		@@ -2538,6 +2540,17 @@ func renderHelp(cmd *cobra.Command, _ []string) {
		}
		}

		func commandArgsSpec(cmd *cobra.Command) string {
		if cmd == nil {
		return ""
		}
		parts := strings.Fields(strings.TrimSpace(cmd.Use))
		if len(parts) <= 1 {
		return ""
		}
		return strings.Join(parts[1:], " ")
		}

		func flagLabel(f *pflag.Flag) string {
		if f.Shorthand != "" && f.ShorthandDeprecated == "" {
		return fmt.Sprintf("-%s, --%s", f.Shorthand, f.Name)