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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package sockstatlog
import (
"context"
"testing"
"github.com/google/go-cmp/cmp"
"tailscale.com/net/sockstats"
"tailscale.com/tstest"
"tailscale.com/types/logger"
"tailscale.com/types/logid"
)
func TestResourceCleanup(t *testing.T) {
if !sockstats.IsAvailable {
t.Skip("sockstats not available")
}
tstest.ResourceCheck(t)
td := t.TempDir()
id, err := logid.NewPrivateID()
if err != nil {
t.Fatal(err)
}
lg, err := NewLogger(td, logger.Discard, id.Public(), nil, nil, nil)
if err != nil {
t.Fatal(err)
}
lg.Write([]byte("hello"))
lg.Shutdown(context.Background())
}
func TestDelta(t *testing.T) {
tests := []struct {
name string
a, b *sockstats.SockStats
wantStats map[sockstats.Label]deltaStat
}{
{
name: "nil-a-stat",
a: nil,
b: &sockstats.SockStats{},
wantStats: nil,
},
{
name: "nil-b-stat",
a: &sockstats.SockStats{},
b: nil,
wantStats: nil,
},
{
name: "no-change",
a: &sockstats.SockStats{
Stats: map[sockstats.Label]sockstats.SockStat{
sockstats.LabelDERPHTTPClient: {
TxBytes: 10,
},
},
},
b: &sockstats.SockStats{
Stats: map[sockstats.Label]sockstats.SockStat{
sockstats.LabelDERPHTTPClient: {
TxBytes: 10,
},
},
},
wantStats: nil,
},
{
name: "tx-after-empty-stat",
a: &sockstats.SockStats{},
b: &sockstats.SockStats{
Stats: map[sockstats.Label]sockstats.SockStat{
sockstats.LabelDERPHTTPClient: {
TxBytes: 10,
},
},
},
wantStats: map[sockstats.Label]deltaStat{
sockstats.LabelDERPHTTPClient: {10, 0},
},
},
{
name: "rx-after-non-empty-stat",
a: &sockstats.SockStats{
Stats: map[sockstats.Label]sockstats.SockStat{
sockstats.LabelDERPHTTPClient: {
TxBytes: 10,
RxBytes: 10,
},
},
},
b: &sockstats.SockStats{
Stats: map[sockstats.Label]sockstats.SockStat{
sockstats.LabelDERPHTTPClient: {
TxBytes: 10,
RxBytes: 30,
},
},
},
wantStats: map[sockstats.Label]deltaStat{
sockstats.LabelDERPHTTPClient: {0, 20},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotStats := delta(tt.a, tt.b)
if !cmp.Equal(gotStats, tt.wantStats) {
t.Errorf("gotStats = %v, want %v", gotStats, tt.wantStats)
}
})
}
}
|
