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
|
package redis_test
import (
"fmt"
. "github.com/bsm/ginkgo/v2"
. "github.com/bsm/gomega"
"github.com/redis/go-redis/v9"
)
var _ = Describe("ScanIterator", func() {
var client *redis.Client
seed := func(n int) error {
pipe := client.Pipeline()
for i := 1; i <= n; i++ {
pipe.Set(ctx, fmt.Sprintf("K%02d", i), "x", 0).Err()
}
_, err := pipe.Exec(ctx)
return err
}
extraSeed := func(n int, m int) error {
pipe := client.Pipeline()
for i := 1; i <= m; i++ {
pipe.Set(ctx, fmt.Sprintf("A%02d", i), "x", 0).Err()
}
for i := 1; i <= n; i++ {
pipe.Set(ctx, fmt.Sprintf("K%02d", i), "x", 0).Err()
}
_, err := pipe.Exec(ctx)
return err
}
hashKey := "K_HASHTEST"
hashSeed := func(n int) error {
pipe := client.Pipeline()
for i := 1; i <= n; i++ {
pipe.HSet(ctx, hashKey, fmt.Sprintf("K%02d", i), "x").Err()
}
_, err := pipe.Exec(ctx)
return err
}
BeforeEach(func() {
client = redis.NewClient(redisOptions())
Expect(client.FlushDB(ctx).Err()).NotTo(HaveOccurred())
})
AfterEach(func() {
Expect(client.Close()).NotTo(HaveOccurred())
})
It("should scan across empty DBs", func() {
iter := client.Scan(ctx, 0, "", 10).Iterator()
Expect(iter.Next(ctx)).To(BeFalse())
Expect(iter.Err()).NotTo(HaveOccurred())
})
It("should scan across one page", func() {
Expect(seed(7)).NotTo(HaveOccurred())
var vals []string
iter := client.Scan(ctx, 0, "", 0).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(ConsistOf([]string{"K01", "K02", "K03", "K04", "K05", "K06", "K07"}))
})
It("should scan across multiple pages", func() {
Expect(seed(71)).NotTo(HaveOccurred())
var vals []string
iter := client.Scan(ctx, 0, "", 10).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(HaveLen(71))
Expect(vals).To(ContainElement("K01"))
Expect(vals).To(ContainElement("K71"))
})
It("should hscan across multiple pages", func() {
SkipBeforeRedisVersion(7.4, "doesn't work with older redis stack images")
Expect(hashSeed(71)).NotTo(HaveOccurred())
var vals []string
iter := client.HScan(ctx, hashKey, 0, "", 10).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(HaveLen(71 * 2))
Expect(vals).To(ContainElement("K01"))
Expect(vals).To(ContainElement("K71"))
Expect(vals).To(ContainElement("x"))
})
It("should hscan without values across multiple pages", Label("NonRedisEnterprise"), func() {
SkipBeforeRedisVersion(7.4, "doesn't work with older redis stack images")
Expect(hashSeed(71)).NotTo(HaveOccurred())
var vals []string
iter := client.HScanNoValues(ctx, hashKey, 0, "", 10).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(HaveLen(71))
Expect(vals).To(ContainElement("K01"))
Expect(vals).To(ContainElement("K71"))
Expect(vals).NotTo(ContainElement("x"))
})
It("should scan to page borders", func() {
Expect(seed(20)).NotTo(HaveOccurred())
var vals []string
iter := client.Scan(ctx, 0, "", 10).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(HaveLen(20))
})
It("should scan with match", func() {
Expect(seed(33)).NotTo(HaveOccurred())
var vals []string
iter := client.Scan(ctx, 0, "K*2*", 10).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(HaveLen(13))
})
It("should scan with match across empty pages", func() {
Expect(extraSeed(2, 10)).NotTo(HaveOccurred())
var vals []string
iter := client.Scan(ctx, 0, "K*", 1).Iterator()
for iter.Next(ctx) {
vals = append(vals, iter.Val())
}
Expect(iter.Err()).NotTo(HaveOccurred())
Expect(vals).To(HaveLen(2))
})
})
|
