tests := []struct {
		arg       string
		wantKey   string
		wantValue string
	}{
		{arg: "key=value", wantKey: "key", wantValue: "value"},
		{arg: "key==value", wantKey: "key", wantValue: "=value"},
		{arg: "key=", wantKey: "key", wantValue: ""},
		{arg: "key", wantKey: "key", wantValue: ""},
		{arg: "", wantKey: "", wantValue: ""},
	}
	for _, tt := range tests {
		t.Run(tt.arg, func(t *testing.T) {

				switch me.Operator {
				case metav1.LabelSelectorOpDoesNotExist:
					v, ok := podLabels[me.Key]
					if ok {
						return fmt.Sprintf("Pod has %s=%s label, preventing injection", me.Key, v), false
					}
				case metav1.LabelSelectorOpNotIn:
					v, ok := podLabels[me.Key]
					if !ok {
						continue
					}
					for _, nv := range me.Values {
						if nv == v {

	MsgOutputFormats    = make(map[string]bool)
	termEnvVar          = env.Register("TERM", "", "Specifies terminal type.  Use 'dumb' to suppress color output")
)

func init() {
	for _, key := range MsgOutputFormatKeys {
		MsgOutputFormats[key] = true
	}
}

// Print output messages in the specified format with color options
func Print(ms diag.Messages, format string, colorize bool) (string, error) {
	switch format {

}

func walk(path, separator string, obj any) ([]string, error) {
	switch v := obj.(type) {
	case map[string]any:
		accum := make([]string, 0)
		for key, vv := range v {
			childwalk, err := walk(fmt.Sprintf("%s%s%s", path, separator, pathComponent(key)), ".", vv)
			if err != nil {
				return accum, err
			}
			accum = append(accum, childwalk...)
		}
		return accum, nil
	case []any:

	excludeInterfaces    string
	dnsRedirect          bool
	dualStack            bool
	invalidDrop          bool
}

type annotationValidationFunc func(value string) error

type annotationParam struct {
	key        string
	defaultVal string
	validator  annotationValidationFunc
}

func alwaysValidFunc(value string) error {
	return nil
}

// validateInterceptionMode validates the interceptionMode annotation

      "cni_bin_dir": "/opt/cni/bin",
      "exclude_namespaces": [ "istio-system" ]
  }
}
`
)

func getEnv(key, fallback string) string {
	if value, ok := os.LookupEnv(key); ok {
		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)
	}
}

			}
			return iSubset < jSubset
		}
		return iName < jName
	})
	return clusters, nil
}

func safelyParseSubsetKey(key string) (model.TrafficDirection, string, host.Name, int) {
	if len(strings.Split(key, "|")) > 3 {
		return model.ParseSubsetKey(key)
	}
	name := host.Name(key)
	return "", "", name, 0

	}
	// values in the data are strings, while proto might use a
	// different data type.  therefore, we have to get a value by a
	// key
	configYaml, exists := meshConfigMap.Data[configMapKey]
	if !exists {
		return nil, fmt.Errorf("missing configuration map key %q", configMapKey)
	}
	cfg, err := mesh.ApplyMeshConfigDefaults(configYaml)
	if err != nil {

	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := &bytes.Buffer{}
			sw := XdsStatusWriter{Writer: got}
			input := map[string]*discovery.DiscoveryResponse{}
			for key, ss := range tt.input {
				input[key] = ss
			}

			err := sw.PrintAll(input)
			if tt.wantErr {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}
			want, _ := os.ReadFile(tt.want)

)

type validator struct{}

func checkFields(un *unstructured.Unstructured) error {
	var errs error
	for key := range un.Object {
		if _, ok := validFields[key]; !ok {
			errs = multierror.Append(errs, fmt.Errorf("unknown field %q", key))
		}
	}
	return errs
}