Function TestCompletionForMutuallyExclusiveFlags

completions_test.go:3255–3347

(t *testing.T)

}

func TestCompletionForMutuallyExclusiveFlags(t *testing.T) {
	getCmd := func() *Command {
		rootCmd := &Command{
			Use: "root",
			Run: emptyRun,
		}
		childCmd := &Command{
			Use: "child",
			ValidArgsFunction: func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
				return []string{"subArg"}, ShellCompDirectiveNoFileComp
			},
			Run: emptyRun,
		}
		rootCmd.AddCommand(childCmd)

		rootCmd.PersistentFlags().IntSlice("ingroup1", []int{1}, "ingroup1")
		rootCmd.PersistentFlags().String("ingroup2", "", "ingroup2")

		childCmd.Flags().Bool("ingroup3", false, "ingroup3")
		childCmd.Flags().Bool("nogroup", false, "nogroup")

		// Add flags to a group
		childCmd.MarkFlagsMutuallyExclusive("ingroup1", "ingroup2", "ingroup3")

		return rootCmd
	}

	// Each test case uses a unique command from the function above.
	testcases := []struct {
		desc           string
		args           []string
		expectedOutput string
	}{
		{
			desc: "flags in mutually exclusive group not suggested without the - prefix",
			args: []string{"child", ""},
			expectedOutput: strings.Join([]string{
				"subArg",
				":4",
				"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n"),
		},
		{
			desc: "flags in mutually exclusive group suggested with the - prefix",
			args: []string{"child", "-"},
			expectedOutput: strings.Join([]string{
				"--ingroup1",
				"--ingroup2",
				"--help",
				"-h",
				"--ingroup3",
				"--nogroup",
				":4",
				"Completion ended with directive: ShellCompDirectiveNoFileComp", ""}, "\n"),
		},
		{
			desc: "when flag in mutually exclusive group present, other flags in group not suggested even with the - prefix",
			args: []string{"child", "--ingroup1", "8", "-"},
			expectedOutput: strings.Join([]string{