1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
package metrics_test
import (
"math"
"testing"
"time"
"github.com/go-kit/kit/metrics"
"github.com/go-kit/kit/metrics/generic"
)
func TestTimerFast(t *testing.T) {
h := generic.NewSimpleHistogram()
metrics.NewTimer(h).ObserveDuration()
tolerance := 0.050
if want, have := 0.000, h.ApproximateMovingAverage(); math.Abs(want-have) > tolerance {
t.Errorf("want %.3f, have %.3f", want, have)
}
}
func TestTimerSlow(t *testing.T) {
t.Skip("Skipping flaky test")
h := generic.NewSimpleHistogram()
timer := metrics.NewTimer(h)
time.Sleep(250 * time.Millisecond)
timer.ObserveDuration()
tolerance := 0.050
if want, have := 0.250, h.ApproximateMovingAverage(); math.Abs(want-have) > tolerance {
t.Errorf("want %.3f, have %.3f", want, have)
}
}
func TestTimerUnit(t *testing.T) {
t.Skip("Skipping flaky test")
for _, tc := range []struct {
name string
unit time.Duration
tolerance float64
want float64
}{
{"Seconds", time.Second, 0.010, 0.100},
{"Milliseconds", time.Millisecond, 10, 100},
{"Nanoseconds", time.Nanosecond, 10000000, 100000000},
} {
t.Run(tc.name, func(t *testing.T) {
h := generic.NewSimpleHistogram()
timer := metrics.NewTimer(h)
time.Sleep(100 * time.Millisecond)
timer.Unit(tc.unit)
timer.ObserveDuration()
if want, have := tc.want, h.ApproximateMovingAverage(); math.Abs(want-have) > tc.tolerance {
t.Errorf("want %.3f, have %.3f", want, have)
}
})
}
}
|
