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
|
// Copyright 2015 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v2store
import (
"testing"
"go.etcd.io/etcd/server/v3/etcdserver/api/v2error"
)
// TestEventQueue tests a queue with capacity = 100
// Add 200 events into that queue, and test if the
// previous 100 events have been swapped out.
func TestEventQueue(t *testing.T) {
eh := newEventHistory(100)
// Add
for i := 0; i < 200; i++ {
e := newEvent(Create, "/foo", uint64(i), uint64(i))
eh.addEvent(e)
}
// Test
j := 100
i := eh.Queue.Front
n := eh.Queue.Size
for ; n > 0; n-- {
e := eh.Queue.Events[i]
if e.Index() != uint64(j) {
t.Fatalf("queue error!")
}
j++
i = (i + 1) % eh.Queue.Capacity
}
}
func TestScanHistory(t *testing.T) {
eh := newEventHistory(100)
// Add
eh.addEvent(newEvent(Create, "/foo", 1, 1))
eh.addEvent(newEvent(Create, "/foo/bar", 2, 2))
eh.addEvent(newEvent(Create, "/foo/foo", 3, 3))
eh.addEvent(newEvent(Create, "/foo/bar/bar", 4, 4))
eh.addEvent(newEvent(Create, "/foo/foo/foo", 5, 5))
// Delete a dir
de := newEvent(Delete, "/foo", 6, 6)
de.PrevNode = newDir(nil, "/foo", 1, nil, Permanent).Repr(false, false, nil)
eh.addEvent(de)
e, err := eh.scan("/foo", false, 1)
if err != nil || e.Index() != 1 {
t.Fatalf("scan error [/foo] [1] %d (%v)", e.Index(), err)
}
e, err = eh.scan("/foo/bar", false, 1)
if err != nil || e.Index() != 2 {
t.Fatalf("scan error [/foo/bar] [2] %d (%v)", e.Index(), err)
}
e, err = eh.scan("/foo/bar", true, 3)
if err != nil || e.Index() != 4 {
t.Fatalf("scan error [/foo/bar/bar] [4] %d (%v)", e.Index(), err)
}
e, err = eh.scan("/foo/foo/foo", false, 6)
if err != nil || e.Index() != 6 {
t.Fatalf("scan error [/foo/foo/foo] [6] %d (%v)", e.Index(), err)
}
e, _ = eh.scan("/foo/bar", true, 7)
if e != nil {
t.Fatalf("bad index shoud reuturn nil")
}
}
func TestEventIndexHistoryCleared(t *testing.T) {
eh := newEventHistory(5)
// Add
eh.addEvent(newEvent(Create, "/foo", 1, 1))
eh.addEvent(newEvent(Create, "/foo/bar", 2, 2))
eh.addEvent(newEvent(Create, "/foo/foo", 3, 3))
eh.addEvent(newEvent(Create, "/foo/bar/bar", 4, 4))
eh.addEvent(newEvent(Create, "/foo/foo/foo", 5, 5))
// Add a new event which will replace/de-queue the first entry
eh.addEvent(newEvent(Create, "/foo/bar/bar/bar", 6, 6))
// test for the event which has been replaced.
_, err := eh.scan("/foo", false, 1)
if err == nil || err.ErrorCode != v2error.EcodeEventIndexCleared {
t.Fatalf("scan error cleared index should return err with %d got (%v)", v2error.EcodeEventIndexCleared, err)
}
}
// TestFullEventQueue tests a queue with capacity = 10
// Add 1000 events into that queue, and test if scanning
// works still for previous events.
func TestFullEventQueue(t *testing.T) {
eh := newEventHistory(10)
// Add
for i := 0; i < 1000; i++ {
ce := newEvent(Create, "/foo", uint64(i), uint64(i))
eh.addEvent(ce)
e, err := eh.scan("/foo", true, uint64(i-1))
if i > 0 {
if e == nil || err != nil {
t.Fatalf("scan error [/foo] [%v] %v", i-1, i)
}
}
}
}
func TestCloneEvent(t *testing.T) {
e1 := &Event{
Action: Create,
EtcdIndex: 1,
Node: nil,
PrevNode: nil,
}
e2 := e1.Clone()
if e2.Action != Create {
t.Fatalf("Action=%q, want %q", e2.Action, Create)
}
if e2.EtcdIndex != e1.EtcdIndex {
t.Fatalf("EtcdIndex=%d, want %d", e2.EtcdIndex, e1.EtcdIndex)
}
// Changing the cloned node should not affect the original
e2.Action = Delete
e2.EtcdIndex = uint64(5)
if e1.Action != Create {
t.Fatalf("Action=%q, want %q", e1.Action, Create)
}
if e1.EtcdIndex != uint64(1) {
t.Fatalf("EtcdIndex=%d, want %d", e1.EtcdIndex, uint64(1))
}
if e2.Action != Delete {
t.Fatalf("Action=%q, want %q", e2.Action, Delete)
}
if e2.EtcdIndex != uint64(5) {
t.Fatalf("EtcdIndex=%d, want %d", e2.EtcdIndex, uint64(5))
}
}
|
