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
|
// Copyright 2012, Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pools
import (
"testing"
"time"
)
func TestPool(t *testing.T) {
lastId.Set(0)
p := NewRoundRobin(5, time.Duration(10e9))
p.Open(PoolFactory)
defer p.Close()
for i := 0; i < 2; i++ {
r, err := p.TryGet()
if err != nil {
t.Errorf("TryGet failed: %v", err)
}
if r.(*TestResource).num != 1 {
t.Errorf("Expecting 1, received %d", r.(*TestResource).num)
}
p.Put(r)
}
// p = [1]
all := make([]Resource, 5)
for i := 0; i < 5; i++ {
if all[i], _ = p.TryGet(); all[i] == nil {
t.Errorf("TryGet failed with nil")
}
}
// all = [1-5], p is empty
if none, _ := p.TryGet(); none != nil {
t.Errorf("TryGet failed with non-nil")
}
ch := make(chan bool)
go ResourceWait(p, t, ch)
time.Sleep(1e8)
for i := 0; i < 5; i++ {
p.Put(all[i])
}
// p = [1-5]
<-ch
// p = [1-5]
if p.waitCount != 1 {
t.Errorf("Expecting 1, received %d", p.waitCount)
}
for i := 0; i < 5; i++ {
all[i], _ = p.Get()
}
// all = [1-5], p is empty
all[0].(*TestResource).Close()
p.Put(nil)
for i := 1; i < 5; i++ {
p.Put(all[i])
}
// p = [2-5]
for i := 0; i < 4; i++ {
r, _ := p.Get()
if r.(*TestResource).num != int64(i+2) {
t.Errorf("Expecting %d, received %d", i+2, r.(*TestResource).num)
}
p.Put(r)
}
p.SetCapacity(3)
// p = [2-4]
if p.size != 3 {
t.Errorf("Expecting 3, received %d", p.size)
}
p.SetIdleTimeout(time.Duration(1e8))
time.Sleep(2e8)
r, _ := p.Get()
if r.(*TestResource).num != 6 {
t.Errorf("Expecting 6, received %d", r.(*TestResource).num)
}
p.Put(r)
// p = [6]
}
func TestPoolFail(t *testing.T) {
p := NewRoundRobin(5, time.Duration(10e9))
p.Open(FailFactory)
defer p.Close()
if _, err := p.Get(); err.Error() != "Failed" {
t.Errorf("Expecting Failed, received %v", err)
}
}
func TestPoolFullFail(t *testing.T) {
p := NewRoundRobin(2, time.Duration(10e9))
p.Open(SlowFailFactory)
defer p.Close()
ch := make(chan bool)
// The third get should not wait indefinitely
for i := 0; i < 3; i++ {
go func() {
p.Get()
ch <- true
}()
}
for i := 0; i < 3; i++ {
<-ch
}
}
func ResourceWait(p *RoundRobin, t *testing.T, ch chan bool) {
for i := 0; i < 5; i++ {
if r, err := p.Get(); err != nil {
t.Errorf("TryGet failed: %v", err)
} else if r.(*TestResource).num != int64(i+1) {
t.Errorf("Expecting %d, received %d", i+1, r.(*TestResource).num)
} else {
p.Put(r)
}
}
ch <- true
}
|
