"locality": {
      {{ if .region }}
      "region": "{{ .region }}",
      {{ end }}
      {{ if .zone }}
      "zone": "{{ .zone }}",
      {{ end }}
      {{ if .sub_zone }}
      "sub_zone": "{{ .sub_zone }}",
      {{ end }}
    },
    "metadata": {{ .meta_json_str }}
  },
  "dynamic_resources": {
    "lds_config": {
      "resource_api_version": "V3",
      "ads": {}
    },

      {{- end }}
      {{- if .zone }}
      {{- if .region }}
      ,
      {{- end }}
      "zone": "{{ .zone }}"
      {{- end }}
      {{- if .sub_zone }}
      {{- if or .region .zone }}
      ,
      {{- end }}
      "sub_zone": "{{ .sub_zone }}"
      {{- end }}
    },
    "metadata": {{ .meta_json_str }}
  },
  "layered_runtime": {
      "layers": [
          {

    }
  },
  "node": {
    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "test.test",
    "locality": {
      "region": "regionA"
      ,
      "zone": "zoneB"
      ,
      "sub_zone": "sub_zoneC"
    },

    }
  },
  "node": {
    "id": "sidecar~1.2.3.4~foo~bar",
    "cluster": "test.test",
    "locality": {
      "region": "regionA"
      ,
      "zone": "zoneB"
      ,
      "sub_zone": "sub_zoneC"
    },

func Region(value string) Instance {
	return newOptionOrSkipIfZero("region", value)
}

func Zone(value string) Instance {
	return newOptionOrSkipIfZero("zone", value)
}

func SubZone(value string) Instance {
	return newOptionOrSkipIfZero("sub_zone", value)
}

func NodeMetadata(meta *model.BootstrapNodeMetadata, rawMeta map[string]any) Instance {

			expected: "fake",
		},
		{
			testName: "zone",
			key:      "zone",
			option:   option.Zone("fake"),
			expected: "fake",
		},
		{
			testName: "sub zone",
			key:      "sub_zone",
			option:   option.SubZone("fake"),
			expected: "fake",
		},
		{
			testName: "node metadata nil",
			key:      "meta_json_str",
			option:   option.NodeMetadata(nil, nil),
			expected: nil,
		},
		{

						Region:  "region1",
						Zone:    "zone1",
						SubZone: "subzone1",
					},
				},
				{
					Locality: &core.Locality{
						Region:  "region1",
						Zone:    "zone1",
						SubZone: "subzone1",
					},
				},
				{
					Locality: &core.Locality{
						Region:  "region1",
						Zone:    "zone1",
						SubZone: "subzone2",
					},
				},
				{

		locality := localityLbEndpoint.Locality
		if locality.Region == "region1" && locality.SubZone == "subzone1" {
			g.Expect(localityLbEndpoint.LoadBalancingWeight.GetValue()).To(Equal(uint32(34)))
			g.Expect(localityLbEndpoint.LbEndpoints[0].LoadBalancingWeight.GetValue()).To(Equal(uint32(40)))
		} else if locality.Region == "region1" && locality.SubZone == "subzone2" {
			g.Expect(localityLbEndpoint.LoadBalancingWeight.GetValue()).To(Equal(uint32(17)))

				Zone:   "zone",
			},
		},
		{
			name:     "locality with region zone and subzone",
			locality: "region/zone/subzone",
			want: &core.Locality{
				Region:  "region",
				Zone:    "zone",
				SubZone: "subzone",
			},
		},
		{
			name:     "locality with region zone subzone and rack",
			locality: "region/zone/subzone/rack",
			want: &core.Locality{
				Region:  "region",
				Zone:    "zone",

				Protocol: protocol.HTTP,
			},
		},
	}
	m.AddService(svc)
	localities := []string{
		"region1/zone1/subzone1",
		"region1/zone1/subzone2",
		"region1/zone2/subzone1",
		"region2/zone1/subzone1",
		"region2/zone1/subzone2",
		"region2/zone2/subzone1",
		"region2/zone2/subzone2",
	}
	for i, locality := range localities {
		_, _ = i, locality
		m.AddInstance(&model.ServiceInstance{