legacyregistry.MustRegister(listStorageNumSelectorEvals)
		legacyregistry.MustRegister(listStorageNumReturned)
		legacyregistry.MustRegister(decodeErrorCounts)
	})
}

// UpdateObjectCount sets the apiserver_storage_object_counts metric.
func UpdateObjectCount(resourcePrefix string, count int64) {
	objectCounts.WithLabelValues(resourcePrefix).Set(float64(count))
}

// RecordEtcdRequest updates and sets the etcd_request_duration_seconds,

apiserver_storage_objects{resource="bar"} -1
`,
		},
	}

	for _, test := range testCases {
		t.Run(test.desc, func(t *testing.T) {
			defer registry.Reset()
			UpdateObjectCount(test.resource, test.count)
			if err := testutil.GatherAndCompare(registry, strings.NewReader(test.want), testedMetrics); err != nil {
				t.Fatal(err)
			}
		})
	}
}

type fakeEtcdMonitor struct {

	go wait.JitterUntil(func() {
		count, err := e.Storage.Count(prefix)
		if err != nil {
			klog.V(5).InfoS("Failed to update storage count metric", "err", err)
			count = -1
		}

		metrics.UpdateObjectCount(resourceName, count)
		if objectCountTracker != nil {
			objectCountTracker.Set(resourceName, count)
		}
	}, period, resourceCountPollPeriodJitter, true, stopCh)
	return func() { close(stopCh) }
}