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
120
|
package sockaddr_test
import (
"fmt"
"net"
"os"
"strings"
"testing"
sockaddr "github.com/hashicorp/go-sockaddr"
)
func boolEnvVar(envvar string, emptyDefault bool) bool {
v := os.Getenv(envvar)
switch strings.ToLower(v) {
case "":
return emptyDefault
case "0", "f", "n":
return false
case "1", "t", "y":
return true
default:
fmt.Fprintf(os.Stderr, "Unsupported %s flag %q", envvar, v)
return true
}
}
// havePrivateIP is a helper function that returns true when we believe we
// should have a private IP address. This changes the failure mode of various
// tests that expect a private IP address.
//
// When you have a private IP assigned to the host, set the environment variable
// SOCKADDR_HAVE_PRIVATE_IP=1
func havePrivateIP() bool {
return boolEnvVar("SOCKADDR_HAVE_PRIVATE_IP", true)
}
// havePublicIP is a helper function that returns true when we believe we should
// have a public IP address. This changes the failure mode of various tests
// that expect a public IP address.
//
// When you have a public IP assigned to the host, set the environment variable
// SOCKADDR_HAVE_PUBLIC_IP=1
func havePublicIP() bool {
return boolEnvVar("SOCKADDR_HAVE_PUBLIC_IP", false)
}
func TestGetPublicIP(t *testing.T) {
reportOnPublic := func(args ...interface{}) {
if havePublicIP() {
t.Fatalf(args[0].(string), args[1:]...)
} else {
t.Skipf(args[0].(string), args[1:]...)
}
}
ip, err := sockaddr.GetPublicIP()
if err != nil {
reportOnPublic("unable to get a public IP: %v", err)
}
if ip == "" {
reportOnPublic("it's hard to test this reliably")
}
}
func TestGetInterfaceIP(t *testing.T) {
ip, err := sockaddr.GetInterfaceIP(`^.*[\d]$`)
if err != nil {
t.Fatalf("regexp failed: %v", err)
}
if ip == "" {
t.Skip("it's hard to test this reliably")
}
}
func TestIfAddrAttr(t *testing.T) {
tests := []struct {
name string
ifAddr sockaddr.IfAddr
attr string
expected string
}{
{
name: "name",
ifAddr: sockaddr.IfAddr{
Interface: net.Interface{
Name: "abc0",
},
},
attr: "name",
expected: "abc0",
},
}
for i, test := range tests {
if test.name == "" {
t.Fatalf("test %d must have a name", i)
}
result, err := sockaddr.IfAttr(test.attr, sockaddr.IfAddrs{test.ifAddr})
if err != nil {
t.Errorf("failed to get attr %q from %v", test.name, test.ifAddr)
}
if result != test.expected {
t.Errorf("unexpected result")
}
}
// Test an empty array
result, err := sockaddr.IfAttr("name", sockaddr.IfAddrs{})
if err != nil {
t.Error(`failed to get attr "name" from an empty array`)
}
if result != "" {
t.Errorf("unexpected result")
}
}
|
