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metrics: make flawed test less flawed (#20818)

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This commit is contained in:
Daniel Liu 2024-12-13 14:00:12 +08:00
parent 9fee8a72eb
commit 47ce406a4a
1 changed files with 17 additions and 4 deletions
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21
metrics/timer_test.go
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@ -45,10 +45,23 @@ func TestTimerStop(t *testing.T) {
} }
func TestTimerFunc(t *testing.T) { func TestTimerFunc(t *testing.T) {
tm := NewTimer() var (
tm.Time(func() { time.Sleep(50e6) }) tm = NewTimer()
if max := tm.Max(); 35e6 > max || max > 95e6 { testStart = time.Now()
t.Errorf("tm.Max(): 35e6 > %v || %v > 95e6\n", max, max) actualTime time.Duration
)
tm.Time(func() {
time.Sleep(50 * time.Millisecond)
actualTime = time.Since(testStart)
})
var (
drift = time.Millisecond * 2
measured = time.Duration(tm.Max())
ceil = actualTime + drift
floor = actualTime - drift
)
if measured > ceil || measured < floor {
t.Errorf("tm.Max(): %v > %v || %v > %v\n", measured, ceil, measured, floor)
} }
} }