return value
	}
	return fallback
}

func setEnv(key, value string, t *testing.T) {
	t.Helper()
	err := os.Setenv(key, value)
	if err != nil {
		t.Fatalf("Couldn't set environment variable, err: %v", err)
	}
}

func mktemp(dir, prefix string, t *testing.T) string {
	t.Helper()
	tempDir, err := os.MkdirTemp(dir, prefix)
	if err != nil {

}

func ipstr(ipv6 bool) string {
	if ipv6 {
		return "ipv6"
	}
	return "ipv4"
}

func compareToGolden(t *testing.T, ipv6 bool, name string, actual []string) {
	t.Helper()
	gotBytes := []byte(strings.Join(actual, "\n"))
	goldenFile := filepath.Join("testdata", name+".golden")
	if ipv6 {
		goldenFile = filepath.Join("testdata", name+"_ipv6.golden")
	}

	ZtunnelInboundPort          = 15008
	ZtunnelOutboundPort         = 15001
	ZtunnelInboundPlaintextPort = 15006
	ProbeIPSet                  = "istio-inpod-probes"
)

var log = istiolog.RegisterScope("iptables", "iptables helper")

type Config struct {
	RestoreFormat bool `json:"RESTORE_FORMAT"`
	TraceLogging  bool `json:"IPTABLES_TRACE_LOGGING"`
	EnableIPv6    bool `json:"ENABLE_INBOUND_IPV6"`
	RedirectDNS   bool `json:"REDIRECT_DNS"`
}

  // ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec.
  // If specified, these secrets will be passed to individual puller implementations for them to use.
  // More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod
  // +optional
  // +patchMergeKey=name
  // +patchStrategy=merge

)

// nolint: lll
var expectedOutput = `The following options can be passed to any command:
      --log_as_json: Whether to format output as JSON or in plain console-friendly format
      --log_caller: Comma-separated list of scopes for which to include caller information, scopes can be any of \[.*\]

func mustSelect(t test.Failer, selector map[string]string, labels map[string]string) {
	t.Helper()
	kselector := labels2.Set(selector).AsSelectorPreValidated()
	if !kselector.Matches(labels2.Set(labels)) {
		t.Fatalf("%v does not select %v", selector, labels)
	}
}

func mustNotSelect(t test.Failer, selector map[string]string, labels map[string]string) {
	t.Helper()
	kselector := labels2.Set(selector).AsSelectorPreValidated()

				assert.NoError(t, err)
			}
			verifyExecTestOutput(t, DebugCommand(ctx), c)
		})
	}
}

func verifyExecTestOutput(t *testing.T, cmd *cobra.Command, c execTestCase) {
	t.Helper()

	var out bytes.Buffer
	cmd.SetArgs(c.args)
	cmd.SilenceUsage = true
	cmd.SetOut(&out)
	cmd.SetErr(&out)

	fErr := cmd.Execute()
	output := out.String()

	t.Helper()
	path := mustGetPath(t, obj, "webhooks")
	by, err := json.Marshal(path)
	if err != nil {
		t.Fatal(err)
	}
	var mwh []v1.MutatingWebhook
	if err := json.Unmarshal(by, &mwh); err != nil {
		t.Fatal(err)
	}
	return mwh
}

func getWebhooks(t *testing.T, setFlags string, webhookName string) []v1.MutatingWebhook {
	t.Helper()

	root.LoggingOptions.AttachCobraFlags(rootCmd)
	hiddenFlags := []string{
		"log_as_json", "log_rotate", "log_rotate_max_age", "log_rotate_max_backups",
		"log_rotate_max_size", "log_stacktrace_level", "log_target", "log_caller", "log_output_level",
	}
	for _, opt := range hiddenFlags {
		_ = rootCmd.PersistentFlags().MarkHidden(opt)
	}

	cmd.AddFlags(rootCmd)

	kubeInjectCmd := kubeinject.InjectCommand(ctx)

	mustFindObject(t, objs, "istio-reader-clusterrole-istio-system", "ClusterRoleBinding")
}

func mustFindObject(t test.Failer, objs object.K8sObjects, name, kind string) {
	t.Helper()
	var obj *object.K8sObject
	for _, o := range objs {
		if o.Kind == kind && o.Name == name {
			obj = o
			break
		}
	}
	if obj == nil {
		t.Fatalf("expected %v/%v", name, kind)
	}
}