// Prime loads the config dump into the writer ready for printing
func (c *ConfigWriter) Prime(b []byte) error {
	cd := ZtunnelDump{}
	// TODO(fisherxu): migrate this to jsonpb when issue fixed in golang
	// Issue to track -> https://github.com/golang/protobuf/issues/632
	err := json.Unmarshal(b, &cd)
	if err != nil {
		return fmt.Errorf("error unmarshalling config dump response from ztunnel: %v", err)
	}
	c.ztunnelDump = &cd
	return nil
}

	log.FindScope("default").SetOutputLevel(log.DebugLevel)
	log.Debug("debug log")
	log.Info("info log")
	log.Warn("warn log")
	log.Error("error log")
	// This will error because stdout cannot sync, but the UDS part should sync
	// Ideally we would fail if the UDS part fails but the error library makes it kind of tricky
	_ = log.Sync()

	// Restore os stdout.
	os.Stdout = stdout
	assert.NoError(t, log.Configure(loggingOptions))

					},
				},
			},
			wantErr: nil,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if _, wanted2 := NewAnalyzer(tt.input); wanted2 != nil {
				t.Errorf("Wanted %v, got %v", tt.wantErr, wanted2)
			}
		})
	}
}

func TestPrint(t *testing.T) {
	a := &Analyzer{
		listenerDump: &envoy_admin.ListenersConfigDump{
			DynamicListeners: []*envoy_admin.ListenersConfigDump_DynamicListener{

	if err != nil {
		return fmt.Errorf("failed to marshal workloads: %v", err)
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil
}

func (c *ConfigWriter) PrintConnectionsSummary(filter ConnectionsFilter) error {
	w := c.tabwriter()
	d := c.ztunnelDump

				input[key] = ss
			}

			err := sw.PrintAll(input)
			if tt.wantErr {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}
			want, _ := os.ReadFile(tt.want)
			if err := util.Compare(got.Bytes(), want); err != nil {
				t.Errorf(err.Error())
			}
		})
	}
}

const clientConfigType = "type.googleapis.com/envoy.service.status.v3.ClientConfig"

	if err := cfg.FillConfigFromEnvironment(); err != nil {
		return err
	}

	netNs, err := getNs(netns)
	if err != nil {
		err = fmt.Errorf("failed to open netns %q: %s", netns, err)
		return err
	}
	defer netNs.Close()

	return netNs.Do(func(_ ns.NetNS) error {
		log.Infof("============= Start iptables configuration for %v =============", podName)

	zDump := c.ztunnelDump
	filteredWorkloads := []*ZtunnelWorkload{}
	for _, workload := range zDump.Workloads {
		if filter.Verify(workload) {
			filteredWorkloads = append(filteredWorkloads, workload)
		}
	}
	out, err := json.MarshalIndent(filteredWorkloads, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal workloads: %v", err)
	}

proxy1     cluster1     STALE        SYNCED      SYNCED      NOT SENT     SYNCED       istiod1     1.20
proxy2     cluster2     STALE        SYNCED      STALE       SYNCED       STALE        istiod2     1.19
proxy3     cluster3     NOT SENT     ERROR       STALE       NOT SENT     NOT SENT     istiod3     1.20

)

// ClusterDiff prints a diff between Istiod and Envoy clusters to the passed writer
func (c *Comparator) ClusterDiff() error {
	envoyBytes, istiodBytes := &bytes.Buffer{}, &bytes.Buffer{}
	envoyClusterDump, err := c.envoy.GetDynamicClusterDump(true)
	if err != nil {
		envoyBytes.WriteString(err.Error())
	} else {
		envoy, err := protomarshal.ToJSONWithAnyResolver(envoyClusterDump, "    ", &envoyResolver)
		if err != nil {

	*protoregistry.Types
}

var nonStrictResolver = &resolver{protoregistry.GlobalTypes}

func (r *resolver) FindMessageByURL(url string) (protoreflect.MessageType, error) {
	typ, err := r.Types.FindMessageByURL(url)
	if err != nil {
		// Here we ignore the error since we want istioctl to ignore unknown types due to the Envoy version change
		msg := exprpb.Type{TypeKind: &exprpb.Type_Dyn{Dyn: &emptypb.Empty{}}}