-
Notifications
You must be signed in to change notification settings - Fork 57
/
zmq4_xpubsub_test.go
189 lines (159 loc) · 4.36 KB
/
zmq4_xpubsub_test.go
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
185
186
187
188
189
// Copyright 2020 The go-zeromq 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 zmq4_test
import (
"context"
"fmt"
"reflect"
"sync"
"testing"
"time"
"github.com/go-zeromq/zmq4"
"golang.org/x/sync/errgroup"
)
var (
xpubsubs = []testCaseXPubSub{
{
name: "tcp-xpub-sub",
endpoint: must(EndPoint("tcp")),
xpub: zmq4.NewXPub(bkg),
sub0: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub0"))),
sub1: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub1"))),
sub2: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub2"))),
},
{
name: "ipc-xpub-sub",
endpoint: "ipc://ipc-xpub-sub",
xpub: zmq4.NewXPub(bkg),
sub0: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub0"))),
sub1: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub1"))),
sub2: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub2"))),
},
{
name: "inproc-xpub-sub",
endpoint: "inproc://inproc-xpub-sub",
xpub: zmq4.NewXPub(bkg),
sub0: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub0"))),
sub1: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub1"))),
sub2: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub2"))),
},
}
)
type testCaseXPubSub struct {
name string
skip bool
endpoint string
xpub zmq4.Socket
sub0 zmq4.Socket
sub1 zmq4.Socket
sub2 zmq4.Socket
}
func TestXPubSub(t *testing.T) {
var (
topics = []string{"", "MSG", "msg"}
wantNumMsgs = []int{3, 1, 1}
msg0 = zmq4.NewMsgString("anything")
msg1 = zmq4.NewMsgString("MSG 1")
msg2 = zmq4.NewMsgString("msg 2")
msgs = [][]zmq4.Msg{
0: {msg0, msg1, msg2},
1: {msg1},
2: {msg2},
}
)
for i := range xpubsubs {
tc := xpubsubs[i]
t.Run(tc.name, func(t *testing.T) {
defer tc.xpub.Close()
defer tc.sub0.Close()
defer tc.sub1.Close()
defer tc.sub2.Close()
ep := tc.endpoint
cleanUp(ep)
if tc.skip {
t.Skipf(tc.name)
}
// t.Parallel()
ctx, timeout := context.WithTimeout(context.Background(), 20*time.Second)
defer timeout()
nmsgs := []int{0, 0, 0}
subs := []zmq4.Socket{tc.sub0, tc.sub1, tc.sub2}
var wg1 sync.WaitGroup
var wg2 sync.WaitGroup
wg1.Add(len(subs))
wg2.Add(len(subs))
grp, ctx := errgroup.WithContext(ctx)
grp.Go(func() error {
err := tc.xpub.Listen(ep)
if err != nil {
return fmt.Errorf("could not listen: %w", err)
}
if addr := tc.xpub.Addr(); addr == nil {
return fmt.Errorf("listener with nil Addr")
}
wg1.Wait()
wg2.Wait()
time.Sleep(1 * time.Second)
if sck, ok := tc.xpub.(zmq4.Topics); ok {
got := sck.Topics()
if !reflect.DeepEqual(got, topics) {
t.Fatalf("invalid topics.\ngot= %q\nwant=%q", got, topics)
}
}
for _, msg := range msgs[0] {
err = tc.xpub.Send(msg)
if err != nil {
return fmt.Errorf("could not send message %v: %w", msg, err)
}
}
return err
})
for isub := range subs {
func(isub int, sub zmq4.Socket) {
grp.Go(func() error {
var err error
err = sub.Dial(ep)
if err != nil {
return fmt.Errorf("could not dial: %w", err)
}
if addr := sub.Addr(); addr != nil {
return fmt.Errorf("dialer with non-nil Addr")
}
wg1.Done()
wg1.Wait()
err = sub.SetOption(zmq4.OptionSubscribe, topics[isub])
if err != nil {
return fmt.Errorf("could not subscribe to topic %q: %w", topics[isub], err)
}
wg2.Done()
wg2.Wait()
msgs := msgs[isub]
for imsg, want := range msgs {
msg, err := sub.Recv()
if err != nil {
return fmt.Errorf("could not recv message %v: %w", want, err)
}
if !reflect.DeepEqual(msg, want) {
return fmt.Errorf("sub[%d][msg=%d]: got = %v, want= %v", isub, imsg, msg, want)
}
nmsgs[isub]++
}
return err
})
}(isub, subs[isub])
}
if err := grp.Wait(); err != nil {
t.Fatalf("error: %+v", err)
}
if err := ctx.Err(); err != nil && err != context.Canceled {
t.Fatalf("error: %+v", err)
}
for i, want := range wantNumMsgs {
if want != nmsgs[i] {
t.Errorf("xsub[%d]: got %d messages, want %d msgs=%v", i, nmsgs[i], want, nmsgs)
}
}
})
}
}