blob: e88922260145ebb422b468c508537a94f2e52766 (
plain) (
blame)
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
61
62
63
64
65
66
67
68
69
70
71
72
73
|
package metrics
import (
"testing"
"time"
)
func BenchmarkMeter(b *testing.B) {
m := NewMeter()
b.ResetTimer()
for i := 0; i < b.N; i++ {
m.Mark(1)
}
}
func TestGetOrRegisterMeter(t *testing.T) {
r := NewRegistry()
NewRegisteredMeter("foo", r).Mark(47)
if m := GetOrRegisterMeter("foo", r); 47 != m.Count() {
t.Fatal(m)
}
}
func TestMeterDecay(t *testing.T) {
ma := meterArbiter{
ticker: time.NewTicker(time.Millisecond),
meters: make(map[*StandardMeter]struct{}),
}
m := newStandardMeter()
ma.meters[m] = struct{}{}
go ma.tick()
m.Mark(1)
rateMean := m.RateMean()
time.Sleep(100 * time.Millisecond)
if m.RateMean() >= rateMean {
t.Error("m.RateMean() didn't decrease")
}
}
func TestMeterNonzero(t *testing.T) {
m := NewMeter()
m.Mark(3)
if count := m.Count(); 3 != count {
t.Errorf("m.Count(): 3 != %v\n", count)
}
}
func TestMeterStop(t *testing.T) {
l := len(arbiter.meters)
m := NewMeter()
if len(arbiter.meters) != l+1 {
t.Errorf("arbiter.meters: %d != %d\n", l+1, len(arbiter.meters))
}
m.Stop()
if len(arbiter.meters) != l {
t.Errorf("arbiter.meters: %d != %d\n", l, len(arbiter.meters))
}
}
func TestMeterSnapshot(t *testing.T) {
m := NewMeter()
m.Mark(1)
if snapshot := m.Snapshot(); m.RateMean() != snapshot.RateMean() {
t.Fatal(snapshot)
}
}
func TestMeterZero(t *testing.T) {
m := NewMeter()
if count := m.Count(); 0 != count {
t.Errorf("m.Count(): 0 != %v\n", count)
}
}
|
