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
190
191
192
193
194
195
196
|
package consumer
import (
"testing"
"time"
)
func TestGroupCoordinator_StaticMembership(t *testing.T) {
gc := NewGroupCoordinator()
defer gc.Close()
group := gc.GetOrCreateGroup("test-group")
// Test static member registration
instanceID := "static-instance-1"
member := &GroupMember{
ID: "member-1",
ClientID: "client-1",
ClientHost: "localhost",
GroupInstanceID: &instanceID,
SessionTimeout: 30000,
State: MemberStatePending,
LastHeartbeat: time.Now(),
JoinedAt: time.Now(),
}
// Add member to group
group.Members[member.ID] = member
gc.RegisterStaticMember(group, member)
// Test finding static member
foundMember := gc.FindStaticMember(group, instanceID)
if foundMember == nil {
t.Error("Expected to find static member, got nil")
}
if foundMember.ID != member.ID {
t.Errorf("Expected member ID %s, got %s", member.ID, foundMember.ID)
}
// Test IsStaticMember
if !gc.IsStaticMember(member) {
t.Error("Expected member to be static")
}
// Test dynamic member (no instance ID)
dynamicMember := &GroupMember{
ID: "member-2",
ClientID: "client-2",
ClientHost: "localhost",
GroupInstanceID: nil,
SessionTimeout: 30000,
State: MemberStatePending,
LastHeartbeat: time.Now(),
JoinedAt: time.Now(),
}
if gc.IsStaticMember(dynamicMember) {
t.Error("Expected member to be dynamic")
}
// Test unregistering static member
gc.UnregisterStaticMember(group, instanceID)
foundMember = gc.FindStaticMember(group, instanceID)
if foundMember != nil {
t.Error("Expected static member to be unregistered")
}
}
func TestGroupCoordinator_StaticMemberReconnection(t *testing.T) {
gc := NewGroupCoordinator()
defer gc.Close()
group := gc.GetOrCreateGroup("test-group")
instanceID := "static-instance-1"
// First connection
member1 := &GroupMember{
ID: "member-1",
ClientID: "client-1",
ClientHost: "localhost",
GroupInstanceID: &instanceID,
SessionTimeout: 30000,
State: MemberStatePending,
LastHeartbeat: time.Now(),
JoinedAt: time.Now(),
}
group.Members[member1.ID] = member1
gc.RegisterStaticMember(group, member1)
// Simulate disconnection and reconnection with same instance ID
delete(group.Members, member1.ID)
// Reconnection with same instance ID should reuse the mapping
member2 := &GroupMember{
ID: "member-2", // Different member ID
ClientID: "client-1",
ClientHost: "localhost",
GroupInstanceID: &instanceID, // Same instance ID
SessionTimeout: 30000,
State: MemberStatePending,
LastHeartbeat: time.Now(),
JoinedAt: time.Now(),
}
group.Members[member2.ID] = member2
gc.RegisterStaticMember(group, member2)
// Should find the new member with the same instance ID
foundMember := gc.FindStaticMember(group, instanceID)
if foundMember == nil {
t.Error("Expected to find static member after reconnection")
}
if foundMember.ID != member2.ID {
t.Errorf("Expected member ID %s, got %s", member2.ID, foundMember.ID)
}
}
func TestGroupCoordinator_StaticMembershipEdgeCases(t *testing.T) {
gc := NewGroupCoordinator()
defer gc.Close()
group := gc.GetOrCreateGroup("test-group")
// Test empty instance ID
member := &GroupMember{
ID: "member-1",
ClientID: "client-1",
ClientHost: "localhost",
GroupInstanceID: nil,
SessionTimeout: 30000,
State: MemberStatePending,
LastHeartbeat: time.Now(),
JoinedAt: time.Now(),
}
gc.RegisterStaticMember(group, member) // Should be no-op
foundMember := gc.FindStaticMember(group, "")
if foundMember != nil {
t.Error("Expected not to find member with empty instance ID")
}
// Test empty string instance ID
emptyInstanceID := ""
member.GroupInstanceID = &emptyInstanceID
gc.RegisterStaticMember(group, member) // Should be no-op
foundMember = gc.FindStaticMember(group, emptyInstanceID)
if foundMember != nil {
t.Error("Expected not to find member with empty string instance ID")
}
// Test unregistering non-existent instance ID
gc.UnregisterStaticMember(group, "non-existent") // Should be no-op
}
func TestGroupCoordinator_StaticMembershipConcurrency(t *testing.T) {
gc := NewGroupCoordinator()
defer gc.Close()
group := gc.GetOrCreateGroup("test-group")
instanceID := "static-instance-1"
// Test concurrent access
done := make(chan bool, 2)
// Goroutine 1: Register static member
go func() {
member := &GroupMember{
ID: "member-1",
ClientID: "client-1",
ClientHost: "localhost",
GroupInstanceID: &instanceID,
SessionTimeout: 30000,
State: MemberStatePending,
LastHeartbeat: time.Now(),
JoinedAt: time.Now(),
}
group.Members[member.ID] = member
gc.RegisterStaticMember(group, member)
done <- true
}()
// Goroutine 2: Find static member
go func() {
time.Sleep(10 * time.Millisecond) // Small delay to ensure registration happens first
foundMember := gc.FindStaticMember(group, instanceID)
if foundMember == nil {
t.Error("Expected to find static member in concurrent access")
}
done <- true
}()
// Wait for both goroutines to complete
<-done
<-done
}
|
