forked from mirror/cobra
298 lines
7.4 KiB
Go
298 lines
7.4 KiB
Go
package cobra
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import (
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"bytes"
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"regexp"
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"strings"
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"testing"
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)
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func TestGenZshCompletion(t *testing.T) {
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var debug bool
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var option string
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tcs := []struct {
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name string
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root *Command
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expectedExpressions []string
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}{
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{
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name: "simple command",
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root: func() *Command {
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r := &Command{
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Use: "mycommand",
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Long: "My Command long description",
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Run: emptyRun,
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}
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r.Flags().BoolVar(&debug, "debug", debug, "description")
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return r
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}(),
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expectedExpressions: []string{
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`(?s)function _mycommand {\s+_arguments \\\s+"--debug\[description\]".*--help.*}`,
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"#compdef _mycommand mycommand",
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},
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},
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{
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name: "flags with both long and short flags",
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root: func() *Command {
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r := &Command{
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Use: "testcmd",
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Long: "long description",
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Run: emptyRun,
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}
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r.Flags().BoolVarP(&debug, "debug", "d", debug, "debug description")
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return r
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}(),
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expectedExpressions: []string{
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`"\(-d --debug\)"{-d,--debug}"\[debug description\]"`,
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},
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},
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{
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name: "command with subcommands and flags with values",
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root: func() *Command {
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r := &Command{
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Use: "rootcmd",
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Long: "Long rootcmd description",
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}
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d := &Command{
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Use: "subcmd1",
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Short: "Subcmd1 short descrition",
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Run: emptyRun,
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}
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e := &Command{
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Use: "subcmd2",
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Long: "Subcmd2 short description",
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Run: emptyRun,
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}
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r.PersistentFlags().BoolVar(&debug, "debug", debug, "description")
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d.Flags().StringVarP(&option, "option", "o", option, "option description")
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r.AddCommand(d, e)
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return r
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}(),
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expectedExpressions: []string{
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`commands=\(\n\s+"help:.*\n\s+"subcmd1:.*\n\s+"subcmd2:.*\n\s+\)`,
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`_arguments \\\n.*"--debug\[description]"`,
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`_arguments -C \\\n.*"--debug\[description]"`,
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`function _rootcmd_subcmd1 {`,
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`function _rootcmd_subcmd1 {`,
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`_arguments \\\n.*"\(-o --option\)"{-o,--option}"\[option description]:" \\\n`,
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},
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},
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{
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name: "filename completion",
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root: func() *Command {
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var file string
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r := &Command{
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Use: "mycmd",
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Short: "my command short description",
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Run: emptyRun,
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}
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r.Flags().StringVarP(&file, "config", "c", file, "config file")
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r.MarkFlagFilename("config")
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return r
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}(),
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expectedExpressions: []string{
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`\n +"\(-c --config\)"{-c,--config}"\[config file]:filename:_files"`,
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},
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},
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{
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name: "repeated variables both with and without value",
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root: func() *Command {
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r := genTestCommand("mycmd", true)
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_ = r.Flags().StringArrayP("debug", "d", []string{}, "debug usage")
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_ = r.Flags().StringArray("option", []string{}, "options")
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return r
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}(),
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expectedExpressions: []string{
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`"\*--option\[options]`,
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`"\(\*-d \*--debug\)"{\\\*-d,\\\*--debug}`,
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},
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},
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}
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for _, tc := range tcs {
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t.Run(tc.name, func(t *testing.T) {
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tc.root.Execute()
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buf := new(bytes.Buffer)
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if err := tc.root.GenZshCompletion(buf); err != nil {
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t.Error(err)
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}
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output := buf.Bytes()
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for _, expr := range tc.expectedExpressions {
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rgx, err := regexp.Compile(expr)
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if err != nil {
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t.Errorf("error compiling expression (%s): %v", expr, err)
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}
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if !rgx.Match(output) {
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t.Errorf("expeced completion (%s) to match '%s'", buf.String(), expr)
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}
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}
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})
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}
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}
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func TestGenZshCompletionHidden(t *testing.T) {
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tcs := []struct {
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name string
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root *Command
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expectedExpressions []string
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}{
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{
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name: "hidden commmands",
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root: func() *Command {
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r := &Command{
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Use: "main",
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Short: "main short description",
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}
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s1 := &Command{
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Use: "sub1",
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Hidden: true,
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Run: emptyRun,
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}
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s2 := &Command{
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Use: "sub2",
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Short: "short sub2 description",
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Run: emptyRun,
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}
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r.AddCommand(s1, s2)
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return r
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}(),
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expectedExpressions: []string{
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"sub1",
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},
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},
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{
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name: "hidden flags",
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root: func() *Command {
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var hidden string
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r := &Command{
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Use: "root",
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Short: "root short description",
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Run: emptyRun,
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}
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r.Flags().StringVarP(&hidden, "hidden", "H", hidden, "hidden usage")
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if err := r.Flags().MarkHidden("hidden"); err != nil {
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t.Errorf("Error setting flag hidden: %v\n", err)
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}
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return r
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}(),
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expectedExpressions: []string{
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"--hidden",
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},
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},
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}
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for _, tc := range tcs {
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t.Run(tc.name, func(t *testing.T) {
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tc.root.Execute()
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buf := new(bytes.Buffer)
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if err := tc.root.GenZshCompletion(buf); err != nil {
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t.Error(err)
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}
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output := buf.String()
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for _, expr := range tc.expectedExpressions {
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if strings.Contains(output, expr) {
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t.Errorf("Expected completion (%s) not to contain '%s' but it does", output, expr)
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}
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}
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})
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}
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}
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func BenchmarkMediumSizeConstruct(b *testing.B) {
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root := constructLargeCommandHeirarchy()
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// if err := root.GenZshCompletionFile("_mycmd"); err != nil {
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// b.Error(err)
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// }
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for i := 0; i < b.N; i++ {
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buf := new(bytes.Buffer)
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err := root.GenZshCompletion(buf)
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if err != nil {
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b.Error(err)
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}
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}
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}
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func TestExtractFlags(t *testing.T) {
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var debug, cmdc, cmdd bool
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c := &Command{
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Use: "cmdC",
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Long: "Command C",
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}
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c.PersistentFlags().BoolVarP(&debug, "debug", "d", debug, "debug mode")
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c.Flags().BoolVar(&cmdc, "cmd-c", cmdc, "Command C")
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d := &Command{
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Use: "CmdD",
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Long: "Command D",
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}
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d.Flags().BoolVar(&cmdd, "cmd-d", cmdd, "Command D")
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c.AddCommand(d)
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resC := extractFlags(c)
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resD := extractFlags(d)
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if len(resC) != 2 {
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t.Errorf("expected Command C to return 2 flags, got %d", len(resC))
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}
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if len(resD) != 2 {
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t.Errorf("expected Command D to return 2 flags, got %d", len(resD))
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}
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}
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func constructLargeCommandHeirarchy() *Command {
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var config, st1, st2 string
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var long, debug bool
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var in1, in2 int
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var verbose []bool
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r := genTestCommand("mycmd", false)
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r.PersistentFlags().StringVarP(&config, "config", "c", config, "config usage")
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if err := r.MarkPersistentFlagFilename("config", "*"); err != nil {
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panic(err)
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}
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s1 := genTestCommand("sub1", true)
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s1.Flags().BoolVar(&long, "long", long, "long descriptin")
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s1.Flags().BoolSliceVar(&verbose, "verbose", verbose, "verbose description")
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s1.Flags().StringArray("option", []string{}, "various options")
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s2 := genTestCommand("sub2", true)
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s2.PersistentFlags().BoolVar(&debug, "debug", debug, "debug description")
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s3 := genTestCommand("sub3", true)
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s3.Hidden = true
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s1_1 := genTestCommand("sub1sub1", true)
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s1_1.Flags().StringVar(&st1, "st1", st1, "st1 description")
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s1_1.Flags().StringVar(&st2, "st2", st2, "st2 description")
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s1_2 := genTestCommand("sub1sub2", true)
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s1_3 := genTestCommand("sub1sub3", true)
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s1_3.Flags().IntVar(&in1, "int1", in1, "int1 descriptionn")
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s1_3.Flags().IntVar(&in2, "int2", in2, "int2 descriptionn")
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s1_3.Flags().StringArrayP("option", "O", []string{}, "more options")
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s2_1 := genTestCommand("sub2sub1", true)
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s2_2 := genTestCommand("sub2sub2", true)
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s2_3 := genTestCommand("sub2sub3", true)
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s2_4 := genTestCommand("sub2sub4", true)
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s2_5 := genTestCommand("sub2sub5", true)
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s1.AddCommand(s1_1, s1_2, s1_3)
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s2.AddCommand(s2_1, s2_2, s2_3, s2_4, s2_5)
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r.AddCommand(s1, s2, s3)
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r.Execute()
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return r
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}
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func genTestCommand(name string, withRun bool) *Command {
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r := &Command{
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Use: name,
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Short: name + " short description",
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Long: "Long description for " + name,
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}
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if withRun {
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r.Run = emptyRun
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}
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return r
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}
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