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
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package aggregate // import "go.opentelemetry.io/otel/sdk/metric/internal/aggregate"
import (
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/attribute"
)
func TestLimiterAttributes(t *testing.T) {
m := map[attribute.Distinct]struct{}{alice.Equivalent(): {}}
t.Run("NoLimit", func(t *testing.T) {
l := newLimiter[struct{}](0)
assert.Equal(t, alice, l.Attributes(alice, m))
assert.Equal(t, bob, l.Attributes(bob, m))
})
t.Run("NotAtLimit/Exists", func(t *testing.T) {
l := newLimiter[struct{}](3)
assert.Equal(t, alice, l.Attributes(alice, m))
})
t.Run("NotAtLimit/DoesNotExist", func(t *testing.T) {
l := newLimiter[struct{}](3)
assert.Equal(t, bob, l.Attributes(bob, m))
})
t.Run("AtLimit/Exists", func(t *testing.T) {
l := newLimiter[struct{}](2)
assert.Equal(t, alice, l.Attributes(alice, m))
})
t.Run("AtLimit/DoesNotExist", func(t *testing.T) {
l := newLimiter[struct{}](2)
assert.Equal(t, overflowSet, l.Attributes(bob, m))
})
}
var limitedAttr attribute.Set
func BenchmarkLimiterAttributes(b *testing.B) {
m := map[attribute.Distinct]struct{}{alice.Equivalent(): {}}
l := newLimiter[struct{}](2)
b.ReportAllocs()
b.ResetTimer()
for n := 0; n < b.N; n++ {
limitedAttr = l.Attributes(alice, m)
limitedAttr = l.Attributes(bob, m)
}
}
|
