1 package redis_test
2
3 import (
4 "context"
5 "errors"
6 "io"
7
8 . "github.com/bsm/ginkgo/v2"
9 . "github.com/bsm/gomega"
10 "github.com/redis/go-redis/v9"
11 )
12
13 type testTimeout struct {
14 timeout bool
15 }
16
17 func (t testTimeout) Timeout() bool {
18 return t.timeout
19 }
20
21 func (t testTimeout) Error() string {
22 return "test timeout"
23 }
24
25 var _ = Describe("error", func() {
26 BeforeEach(func() {
27
28 })
29
30 AfterEach(func() {
31
32 })
33
34 It("should retry", func() {
35 data := map[error]bool{
36 io.EOF: true,
37 io.ErrUnexpectedEOF: true,
38 nil: false,
39 context.Canceled: false,
40 context.DeadlineExceeded: false,
41 redis.ErrPoolTimeout: true,
42 errors.New("ERR max number of clients reached"): true,
43 errors.New("LOADING Redis is loading the dataset in memory"): true,
44 errors.New("READONLY You can't write against a read only replica"): true,
45 errors.New("CLUSTERDOWN The cluster is down"): true,
46 errors.New("TRYAGAIN Command cannot be processed, please try again"): true,
47 errors.New("other"): false,
48 }
49
50 for err, expected := range data {
51 Expect(redis.ShouldRetry(err, false)).To(Equal(expected))
52 Expect(redis.ShouldRetry(err, true)).To(Equal(expected))
53 }
54 })
55
56 It("should retry timeout", func() {
57 t1 := testTimeout{timeout: true}
58 Expect(redis.ShouldRetry(t1, true)).To(Equal(true))
59 Expect(redis.ShouldRetry(t1, false)).To(Equal(false))
60
61 t2 := testTimeout{timeout: false}
62 Expect(redis.ShouldRetry(t2, true)).To(Equal(true))
63 Expect(redis.ShouldRetry(t2, false)).To(Equal(true))
64 })
65 })
66
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