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
118
119
|
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proxy
import (
"context"
"fmt"
"os"
"testing"
"time"
"golang.org/x/net/internal/sockstest"
"golang.org/x/net/nettest"
)
func TestDial(t *testing.T) {
ResetProxyEnv()
t.Run("DirectWithCancel", func(t *testing.T) {
defer ResetProxyEnv()
l, err := nettest.NewLocalListener("tcp")
if err != nil {
t.Fatal(err)
}
defer l.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
c, err := Dial(ctx, l.Addr().Network(), l.Addr().String())
if err != nil {
t.Fatal(err)
}
c.Close()
})
t.Run("DirectWithTimeout", func(t *testing.T) {
defer ResetProxyEnv()
l, err := nettest.NewLocalListener("tcp")
if err != nil {
t.Fatal(err)
}
defer l.Close()
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
c, err := Dial(ctx, l.Addr().Network(), l.Addr().String())
if err != nil {
t.Fatal(err)
}
c.Close()
})
t.Run("DirectWithTimeoutExceeded", func(t *testing.T) {
defer ResetProxyEnv()
l, err := nettest.NewLocalListener("tcp")
if err != nil {
t.Fatal(err)
}
defer l.Close()
ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond)
time.Sleep(time.Millisecond)
defer cancel()
c, err := Dial(ctx, l.Addr().Network(), l.Addr().String())
if err == nil {
defer c.Close()
t.Fatal("failed to timeout")
}
})
t.Run("SOCKS5", func(t *testing.T) {
defer ResetProxyEnv()
s, err := sockstest.NewServer(sockstest.NoAuthRequired, sockstest.NoProxyRequired)
if err != nil {
t.Fatal(err)
}
defer s.Close()
if err = os.Setenv("ALL_PROXY", fmt.Sprintf("socks5://%s", s.Addr().String())); err != nil {
t.Fatal(err)
}
c, err := Dial(context.Background(), s.TargetAddr().Network(), s.TargetAddr().String())
if err != nil {
t.Fatal(err)
}
c.Close()
})
t.Run("SOCKS5WithTimeout", func(t *testing.T) {
defer ResetProxyEnv()
s, err := sockstest.NewServer(sockstest.NoAuthRequired, sockstest.NoProxyRequired)
if err != nil {
t.Fatal(err)
}
defer s.Close()
if err = os.Setenv("ALL_PROXY", fmt.Sprintf("socks5://%s", s.Addr().String())); err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
c, err := Dial(ctx, s.TargetAddr().Network(), s.TargetAddr().String())
if err != nil {
t.Fatal(err)
}
c.Close()
})
t.Run("SOCKS5WithTimeoutExceeded", func(t *testing.T) {
defer ResetProxyEnv()
s, err := sockstest.NewServer(sockstest.NoAuthRequired, sockstest.NoProxyRequired)
if err != nil {
t.Fatal(err)
}
defer s.Close()
if err = os.Setenv("ALL_PROXY", fmt.Sprintf("socks5://%s", s.Addr().String())); err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond)
time.Sleep(time.Millisecond)
defer cancel()
c, err := Dial(ctx, s.TargetAddr().Network(), s.TargetAddr().String())
if err == nil {
defer c.Close()
t.Fatal("failed to timeout")
}
})
}
|
