)

const imagePullDurationKey = "kubelet_" + ImagePullDurationKey

func TestImagePullDurationMetric(t *testing.T) {
	t.Run("register image pull duration", func(t *testing.T) {
		Register()
		defer clearMetrics()

		// Pairs of image size in bytes and pull duration in seconds
		dataPoints := [][]float64{
			// 0 byets, 0 seconds
			{0, 0},
			// 5MB, 10 seconds
			{5 * 1024 * 1024, 10},
			// 15MB, 20 seconds

			if got := calculateRangeOffset(tt.args.pr); got != tt.want {
				t.Errorf("calculateRangeOffset() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestNodePortMetrics(t *testing.T) {
	clearMetrics()
	// create node port allocator
	portRange := "30000-32767"
	pr, err := net.ParsePortRange(portRange)
	if err != nil {
		t.Fatal(err)
	}

	a, err := NewInMemory(*pr)
	if err != nil {