"Kubernetes namespace")
	flags.StringVarP(r.istioNamespace, FlagIstioNamespace, "i", viper.GetString(FlagIstioNamespace),
		"Istio system namespace")

	return r
}

// Namespace returns the namespace flag value.
func (r *RootFlags) Namespace() string {
	return *r.namespace
}

// IstioNamespace returns the istioNamespace flag value.
func (r *RootFlags) IstioNamespace() string {
	return *r.istioNamespace
}

	"istio.io/istio/istioctl/pkg/util/testutil"
	"istio.io/istio/pkg/config/constants"
)

func TestConfigList(t *testing.T) {
	cases := []testutil.TestCase{
		//{ // case 0
		//	Args:           strings.Split("get istioNamespace", " "),
		//	ExpectedRegexp: regexp.MustCompile("Configure istioctl defaults"),
		//	WantException:  false,
		//},
		{ // case 1
			Args: strings.Split("list", " "),

				namespace, serviceAccount, kubeClient, multixds.DefaultOptions)
			if err != nil {
				return err
			}
			sw := DebugWriter{
				Writer:                 c.OutOrStdout(),
				InternalDebugAllIstiod: internalDebugAllIstiod,
			}
			newResponse, err := HandlerForDebugErrors(kubeClient, &centralOpts, c.OutOrStdout(), ctx.IstioNamespace(), xdsResponses)
			if err != nil {

}

func (f *fakeInstance) Namespace() string {
	return f.rootFlags.Namespace()
}

func (f *fakeInstance) IstioNamespace() string {
	return f.rootFlags.IstioNamespace()
}

type NewFakeContextOption struct {
	Namespace      string
	IstioNamespace string
	Results        map[string][]byte
	// Objects are the objects to be applied to the fake client
	Objects []runtime.Object

	"istio.io/istio/pkg/env"
)

// settableFlags are the flags used to istioctl
var settableFlags = map[string]env.VariableInfo{
	"istioNamespace":      env.Register("ISTIOCTL_ISTIONAMESPACE", constants.IstioSystemNamespace, "The istioctl --istioNamespace override"),
	"xds-address":         env.Register("ISTIOCTL_XDS_ADDRESS", "", "The istioctl --xds-address override"),

	kubeClient, err := ctx.CLIClientWithRevision(opts.Revision)
	if err != nil {
		return nil, err
	}

	return kubeClient.GetIstioVersions(context.TODO(), ctx.IstioNamespace())
}

func getRemoteInfoWrapper(ctx cli.Context, pc **cobra.Command, opts *clioptions.ControlPlaneOptions) func() (*istioVersion.MeshInfo, error) {
	return func() (*istioVersion.MeshInfo, error) {

// to pass pointers-to-flags through all of the (sub)commands.
func (o *KubeOptions) prepare(ctx cli.Context) {
	o.Namespace = ctx.Namespace()
	if o.Namespace == "" {
		o.Namespace = ctx.IstioNamespace()

		configAccess := clientcmd.NewDefaultPathOptions()
		configAccess.GlobalFile = o.Kubeconfig
		if config, err := configAccess.GetStartingConfig(); err == nil {

					ResourceNames: []string{fmt.Sprintf("%s.%s", podName, ns)},
					TypeUrl:       pilotxds.TypeDebugConfigDump,
				}
				xdsResponses, err := multixds.FirstRequestAndProcessXds(&xdsRequest, centralOpts, ctx.IstioNamespace(), "", "", kubeClient, multiXdsOpts)
				if err != nil {
					return err
				}
				c, err := compare.NewXdsComparator(c.OutOrStdout(), xdsResponses, envoyDump)
				if err != nil {
					return err
				}

	}

	for _, c := range cases {
		t.Run(fmt.Sprintf("revision=%s, version=%s", c.revision, c.version), func(t *testing.T) {
			ctx := cli.NewFakeContext(&cli.NewFakeContextOption{
				IstioNamespace: "istio-system",
			})
			output, err := checkFromVersion(ctx, c.revision, c.version)

			assert.Equal(t, output, c.expectedOutput)

			if c.expectedError != nil {
				assert.Error(t, err)
			} else {

			kubeClient, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {
				return err
			}
			res, err := kubeClient.AllDiscoveryDo(context.Background(), ctx.IstioNamespace(), "debug/clusterz")
			if err != nil {
				return err
			}
			return writeMulticlusterStatus(cmd.OutOrStdout(), res)
		},
	}
	opts.AttachControlPlaneFlags(cmd)
	return cmd
}