expectedMetric = `
# HELP kubelet_running_pods [ALPHA] Number of pods that have a running pod sandbox
# TYPE kubelet_running_pods gauge
kubelet_running_pods 3
`
	testMetric(t, expectedMetric, metrics.RunningPodCount.FQName())
}

func testMetric(t *testing.T, expectedMetric string, metricName string) {
	err := testutil.GatherAndCompare(metrics.GetGather(), strings.NewReader(expectedMetric), metricName)
	if err != nil {

		}
	}
}

func generateKey(length int) (key []byte, err error) {
	key = make([]byte, length)
	if _, err = rand.Read(key); err != nil {
		return nil, err
	}
	return key, nil
}

func TestMetrics(t *testing.T) {
	fakeClock := testingclock.NewFakeClock(time.Now())
	cache := newSimpleCache(fakeClock, 5*time.Second, "panda")
	var record sync.Map
	var cacheSize atomic.Uint64

		t.Setenv("GODEBUG", tt.godebug)
		got := tt.setting.Value()
		if got != tt.want {
			t.Errorf("get(%q, %q) = %q; want %q", tt.godebug, tt.setting.Name(), got, tt.want)
		}
	}
}

func TestMetrics(t *testing.T) {
	const name = "http2client" // must be a real name so runtime will accept it

	var m [1]metrics.Sample
	m[0].Name = "/godebug/non-default-behavior/" + name + ":events"
	metrics.Read(m[:])

	for i, c := range cases {
		t.Run(fmt.Sprintf("case %d %s", i, strings.Join(c.Args, " ")), func(t *testing.T) {
			testutil.VerifyOutput(t, metricCmd, c)
		})
	}
}

func TestMetrics(t *testing.T) {
	cases := []testutil.TestCase{
		{ // case 0
			Args:           strings.Split("details", " "),
			ExpectedRegexp: regexp.MustCompile("could not build metrics for workload"),
			WantException:  true,
		},

	"k8s.io/apiserver/pkg/authentication/user"
	"k8s.io/apiserver/pkg/authorization/authorizer"
	"k8s.io/component-base/metrics/legacyregistry"
	"k8s.io/component-base/metrics/testutil"
)

func TestMetrics(t *testing.T) {
	// Excluding authentication_duration_seconds since it is difficult to predict its values.
	metrics := []string{
		"authenticated_user_requests",
		"authentication_attempts",
	}