)

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