INNER CODE UNIT · Go

TestKillTimesInRangeOddsForMtbfLongerThanADay

asobti/kube-monkey · internal/pkg/calendar/calendar_test.go:120

func TestKillTimesInRangeOddsForMtbfLongerThanADay(t *testing.T) {
	loc := time.UTC
	now := time.Date(2024, 3, 12, 8, 0, 0, 0, loc)
	r := testRand()

	for mtbf, expected := range map[time.Duration]float64{
		48 * time.Hour:  0.5,
		72 * time.Hour:  1.0 / 3.0,
		240 * time.Hour: 0.1,
	} {
		const days = 20000
		kills := 0
		for day := 0; day < days; day++ {
			kills += len(killTimesInRange(now, r, mtbf, 10, 16, loc))
		}

		assert.InDelta(t, expected, float64(kills)/days, 0.02, mtbf.String())
	}

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