Function TestFlagNameCompletionInGo

completions_test.go:493–581

(t *testing.T)

}

func TestFlagNameCompletionInGo(t *testing.T) {
	rootCmd := &Command{
		Use: "root",
		Run: emptyRun,
	}
	childCmd := &Command{
		Use:     "childCmd",
		Version: "1.2.3",
		Run:     emptyRun,
	}
	rootCmd.AddCommand(childCmd)

	rootCmd.Flags().IntP("first", "f", -1, "first flag")
	rootCmd.PersistentFlags().BoolP("second", "s", false, "second flag")
	childCmd.Flags().String("subFlag", "", "sub flag")

	// Test that flag names are not shown if the user has not given the '-' prefix
	output, err := executeCommand(rootCmd, ShellCompNoDescRequestCmd, "")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	expected := strings.Join([]string{
		"childCmd",
		"completion",
		"help",
		":4",
		"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n")

	if output != expected {
		t.Errorf("expected: %q, got: %q", expected, output)
	}

	// Test that flag names are completed
	output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "-")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	expected = strings.Join([]string{
		"--first",
		"-f",
		"--help",
		"-h",
		"--second",
		"-s",
		":4",
		"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n")

	if output != expected {
		t.Errorf("expected: %q, got: %q", expected, output)
	}

	// Test that flag names are completed when a prefix is given
	output, err = executeCommand(rootCmd, ShellCompNoDescRequestCmd, "--f")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}