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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
package whisper
import (
"testing"
"time"
"github.com/ethereum/go-ethereum/p2p"
)
func startTestCluster(n int) []*Whisper {
// Create the batch of simulated peers
nodes := make([]*p2p.Peer, n)
for i := 0; i < n; i++ {
nodes[i] = p2p.NewPeer(randomNodeID(), randomNodeName(), whisperCaps())
}
whispers := make([]*Whisper, n)
for i := 0; i < n; i++ {
whispers[i] = New()
whispers[i].Start()
}
// Wire all the peers to the root one
for i := 1; i < n; i++ {
src, dst := bufMsgPipe()
go whispers[0].handlePeer(nodes[i], src)
go whispers[i].handlePeer(nodes[0], dst)
}
return whispers
}
func TestSelfMessage(t *testing.T) {
// Start the single node cluster
client := startTestCluster(1)[0]
// Start watching for self messages, signal any arrivals
self := client.NewIdentity()
done := make(chan struct{})
client.Watch(Filter{
To: &self.PublicKey,
Fn: func(msg *Message) {
close(done)
},
})
// Send a dummy message to oneself
msg := NewMessage([]byte("self whisper"))
envelope, err := msg.Wrap(DefaultPoW, Options{
From: self,
To: &self.PublicKey,
TTL: DefaultTTL,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
// Dump the message into the system and wait for it to pop back out
if err := client.Send(envelope); err != nil {
t.Fatalf("failed to send self-message: %v", err)
}
select {
case <-done:
case <-time.After(time.Second):
t.Fatalf("self-message receive timeout")
}
}
func TestDirectMessage(t *testing.T) {
// Start the sender-recipient cluster
cluster := startTestCluster(2)
sender := cluster[0]
senderId := sender.NewIdentity()
recipient := cluster[1]
recipientId := recipient.NewIdentity()
// Watch for arriving messages on the recipient
done := make(chan struct{})
recipient.Watch(Filter{
To: &recipientId.PublicKey,
Fn: func(msg *Message) {
close(done)
},
})
// Send a dummy message from the sender
msg := NewMessage([]byte("direct whisper"))
envelope, err := msg.Wrap(DefaultPoW, Options{
From: senderId,
To: &recipientId.PublicKey,
TTL: DefaultTTL,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
if err := sender.Send(envelope); err != nil {
t.Fatalf("failed to send direct message: %v", err)
}
// Wait for an arrival or a timeout
select {
case <-done:
case <-time.After(time.Second):
t.Fatalf("direct message receive timeout")
}
}
func TestAnonymousBroadcast(t *testing.T) {
testBroadcast(true, t)
}
func TestIdentifiedBroadcast(t *testing.T) {
testBroadcast(false, t)
}
func testBroadcast(anonymous bool, t *testing.T) {
// Start the single sender multi recipient cluster
cluster := startTestCluster(3)
sender := cluster[1]
targets := cluster[1:]
for _, target := range targets {
if !anonymous {
target.NewIdentity()
}
}
// Watch for arriving messages on the recipients
dones := make([]chan struct{}, len(targets))
for i := 0; i < len(targets); i++ {
done := make(chan struct{}) // need for the closure
dones[i] = done
targets[i].Watch(Filter{
Topics: NewTopicsFromStrings("broadcast topic"),
Fn: func(msg *Message) {
close(done)
},
})
}
// Send a dummy message from the sender
msg := NewMessage([]byte("broadcast whisper"))
envelope, err := msg.Wrap(DefaultPoW, Options{
Topics: NewTopicsFromStrings("broadcast topic"),
TTL: DefaultTTL,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
if err := sender.Send(envelope); err != nil {
t.Fatalf("failed to send broadcast message: %v", err)
}
// Wait for an arrival on each recipient, or timeouts
timeout := time.After(time.Second)
for _, done := range dones {
select {
case <-done:
case <-timeout:
t.Fatalf("broadcast message receive timeout")
}
}
}
func TestMessageExpiration(t *testing.T) {
// Start the single node cluster and inject a dummy message
node := startTestCluster(1)[0]
message := NewMessage([]byte("expiring message"))
envelope, err := message.Wrap(DefaultPoW, Options{
TTL: time.Second,
})
if err != nil {
t.Fatalf("failed to wrap message: %v", err)
}
if err := node.Send(envelope); err != nil {
t.Fatalf("failed to inject message: %v", err)
}
// Check that the message is inside the cache
if _, ok := node.messages[envelope.Hash()]; !ok {
t.Fatalf("message not found in cache")
}
// Wait for expiration and check cache again
time.Sleep(time.Second) // wait for expiration
time.Sleep(expirationTicks) // wait for cleanup cycle
if _, ok := node.messages[envelope.Hash()]; ok {
t.Fatalf("message not expired from cache")
}
}
|
