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
74
75
76
77
78
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package trace
import (
"reflect"
"testing"
"github.com/go-logr/logr"
"github.com/go-logr/logr/funcr"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/internal/global"
)
func init() {
}
func TestAdd(t *testing.T) {
q := newEvictedQueueLink(3)
q.add(Link{})
q.add(Link{})
if wantLen, gotLen := 2, len(q.queue); wantLen != gotLen {
t.Errorf("got queue length %d want %d", gotLen, wantLen)
}
}
func TestCopy(t *testing.T) {
q := newEvictedQueueEvent(3)
q.add(Event{Name: "value1"})
cp := q.copy()
q.add(Event{Name: "value2"})
assert.Equal(t, []Event{{Name: "value1"}}, cp, "queue update modified copy")
cp[0] = Event{Name: "value0"}
assert.Equal(t, Event{Name: "value1"}, q.queue[0], "copy update modified queue")
}
func TestDropCount(t *testing.T) {
q := newEvictedQueueEvent(3)
var called int
t.Cleanup(func(l logr.Logger) func() {
return func() { global.SetLogger(l) }
}(global.GetLogger()))
global.SetLogger(funcr.New(func(prefix, args string) {
called++
}, funcr.Options{Verbosity: 1}))
q.add(Event{Name: "value1"})
assert.Equal(t, 0, called, `"value1" logged as dropped`)
q.add(Event{Name: "value2"})
assert.Equal(t, 0, called, `"value2" logged as dropped`)
q.add(Event{Name: "value3"})
assert.Equal(t, 0, called, `"value3" logged as dropped`)
q.add(Event{Name: "value1"})
assert.Equal(t, 1, called, `"value2" not logged as dropped`)
q.add(Event{Name: "value4"})
assert.Equal(t, 1, called, `"value4" logged as dropped`)
if wantLen, gotLen := 3, len(q.queue); wantLen != gotLen {
t.Errorf("got queue length %d want %d", gotLen, wantLen)
}
if wantDropCount, gotDropCount := 2, q.droppedCount; wantDropCount != gotDropCount {
t.Errorf("got drop count %d want %d", gotDropCount, wantDropCount)
}
wantArr := []Event{{Name: "value3"}, {Name: "value1"}, {Name: "value4"}}
gotArr := q.copy()
if wantLen, gotLen := len(wantArr), len(gotArr); gotLen != wantLen {
t.Errorf("got array len %d want %d", gotLen, wantLen)
}
if !reflect.DeepEqual(gotArr, wantArr) {
t.Errorf("got array = %#v; want %#v", gotArr, wantArr)
}
}
|
