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sentinel_test.go
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package rueidis
import (
"context"
"errors"
"reflect"
"sync/atomic"
"testing"
"time"
"github.com/redis/rueidis/internal/cmds"
)
//gocyclo:ignore
func TestSentinelClientInit(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
t.Run("Init no nodes", func(t *testing.T) {
if _, err := newSentinelClient(&ClientOption{InitAddress: []string{}}, func(dst string, opt *ClientOption) conn { return nil }); err != ErrNoAddr {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Init no dialable", func(t *testing.T) {
v := errors.New("dial err")
if _, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
return &mockConn{DialFn: func() error { return v }}
}); err != v {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh err", func(t *testing.T) {
v := errors.New("refresh err")
if _, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
return &mockConn{
DoMultiFn: func(cmd ...Completed) []RedisResult { return []RedisResult{newErrResult(v)} },
}
}); err != v {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh retry", func(t *testing.T) {
v := errors.New("refresh err")
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
newErrResult(v),
newErrResult(v),
}
},
}
s1 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "0"},
}},
}}},
newErrResult(v),
}
},
}
s2 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "3"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "5"},
}}},
}
},
}
s3 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "4"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "6"},
}}},
}
},
}
s4 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "2"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "7"},
}}},
}
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0", ":1", ":2"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return s1
}
if dst == ":2" {
return s2
}
if dst == ":3" {
return s3
}
if dst == ":4" {
return s4
}
if dst == ":5" {
return &mockConn{
DialFn: func() error { return v },
}
}
if dst == ":6" {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "slave"}}}}
},
}
}
if dst == ":7" {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
}
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
if client.sConn == nil {
t.Fatalf("unexpected nil sentinel conn")
}
if client.mConn.Load() == nil {
t.Fatalf("unexpected nil master conn")
}
client.Close()
})
t.Run("Refresh retry replica-only client", func(t *testing.T) {
v := errors.New("refresh err")
slaveWithMultiError := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
newErrResult(v),
newErrResult(v),
}
},
}
slaveWithReplicaResponseErr := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "0"},
}},
}}},
newErrResult(v),
}
},
}
sentinelWithFaultiSlave := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "3"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "6"},
}},
}}},
}
},
}
// this connection will fail because OK slave is in 's-down' status
// since the next 2 connections won't update sentinel list,
// we update the list here.
sentinelWithHealthySlaveInSDown := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "4"},
}},
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "32"},
}},
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "31"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "6"},
}},
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "8"},
{typ: '+', string: "s-down-time"}, {typ: '+', string: "1"},
}},
}}},
}
},
}
sentinelWithoutEligibleSlave := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "32"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "8"},
{typ: '+', string: "s-down-time"}, {typ: '+', string: "1"},
}},
}}},
}
},
}
sentinelWithInvalidMapResponse := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "4"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
RedisMessage(*Nil),
}}},
}
},
}
sentinelWithMasterRoleAsSlave := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "5"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "7"},
}},
}}},
}
},
}
sentinelWithOKResponse := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "2"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "8"},
}},
}}},
}
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0", ":1", ":2"}, ReplicaOnly: true}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return slaveWithMultiError
}
if dst == ":1" {
return slaveWithReplicaResponseErr
}
if dst == ":2" {
return sentinelWithFaultiSlave
}
if dst == ":3" {
return sentinelWithHealthySlaveInSDown
}
if dst == ":31" {
return sentinelWithoutEligibleSlave
}
if dst == ":32" {
return sentinelWithInvalidMapResponse
}
if dst == ":4" {
return sentinelWithMasterRoleAsSlave
}
if dst == ":5" {
return sentinelWithOKResponse
}
if dst == ":6" {
return &mockConn{
DialFn: func() error { return v },
}
}
if dst == ":7" {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
}
}
if dst == ":8" {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "slave"}}}}
},
}
}
return nil
})
if client.sAddr != ":5" && err == nil {
t.Fatalf("expected error but got nil with sentinel %s", client.sAddr)
}
if err != nil {
t.Fatalf("unexpected err %v", err)
}
if client.sConn == nil {
t.Fatalf("unexpected nil sentinel conn")
}
if client.mConn.Load() == nil {
t.Fatalf("unexpected nil slave conn")
}
client.Close()
})
t.Run("Refresh retry 2", func(t *testing.T) {
v := errors.New("refresh err")
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "1"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "2"},
}}},
}
},
}
s1 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "0"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "3"},
}}},
}
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return s1
}
if dst == ":2" {
return &mockConn{
DoFn: func(cmd Completed) RedisResult { return newErrResult(v) },
}
}
if dst == ":3" {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
}
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
if client.sConn == nil {
t.Fatalf("unexpected nil sentinel conn")
}
if client.mConn.Load() == nil {
t.Fatalf("unexpected nil master conn")
}
client.Close()
})
t.Run("sentinel disconnect", func(t *testing.T) {
trigger := make(chan error)
disconnect := int32(0)
s0closed := int32(0)
r3closed := int32(0)
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.LoadInt32(&disconnect) == 1 {
return newErrResult(errors.New("die"))
}
return RedisResult{}
},
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "1"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "3"},
}}},
}
},
ReceiveFn: func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
if err, ok := <-trigger; ok {
return err
}
return ErrClosing
},
CloseFn: func() {
atomic.StoreInt32(&s0closed, 1)
},
}
s1 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "2"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "3"},
}}},
}
},
}
s2 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '%', values: []RedisMessage{
{typ: '+', string: "ip"}, {typ: '+', string: ""},
{typ: '+', string: "port"}, {typ: '+', string: "0"},
}},
}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "4"},
}}},
}
},
}
r3 := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.LoadInt32(&disconnect) == 1 {
return newErrResult(errors.New("die"))
}
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
CloseFn: func() {
atomic.StoreInt32(&r3closed, 1)
},
ErrorFn: func() error {
if atomic.LoadInt32(&disconnect) == 1 {
return errClosing
}
return nil
},
}
r4 := &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return s1
}
if dst == ":2" {
return s2
}
if dst == ":3" {
return r3
}
if dst == ":4" {
return r4
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
atomic.StoreInt32(&disconnect, 1)
trigger <- errors.New("reconnect")
close(trigger)
for {
t.Log("wait switch master")
if client.mConn.Load().(*mockConn) == r4 {
break
}
}
if atomic.LoadInt32(&s0closed) != 1 {
t.Fatalf("s0 not closed")
}
if atomic.LoadInt32(&r3closed) != 1 {
t.Fatalf("r3 not closed")
}
client.Close()
})
}
func TestSentinelRefreshAfterClose(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
first := true
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
if first {
first = true
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "1"},
}}},
}
}
return []RedisResult{newErrResult(ErrClosing), newErrResult(ErrClosing)}
},
}
m := &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return m
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
client.Close()
if err := client.refresh(); err != nil {
t.Fatalf("unexpected err %v", err)
}
}
func TestSentinelSwitchAfterClose(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
first := true
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "1"},
}}},
}
},
}
m := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if first {
first = false
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
}
return newErrResult(ErrClosing)
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return m
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
client.Close()
if err := client._switchTarget(":1"); err != nil {
t.Fatalf("unexpected err %v", err)
}
}
//gocyclo:ignore
func TestSentinelClientDelegate(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "1"},
}}},
}
},
}
m := &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
},
AddrFn: func() string { return ":1" },
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return m
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
defer client.Close()
t.Run("Nodes", func(t *testing.T) {
if nodes := client.Nodes(); len(nodes) != 1 || nodes[":1"] == nil {
t.Fatalf("unexpected nodes")
}
})
t.Run("Delegate Do", func(t *testing.T) {
c := client.B().Get().Key("Do").Build()
m.DoFn = func(cmd Completed) RedisResult {
if !reflect.DeepEqual(cmd.Commands(), c.Commands()) {
t.Fatalf("unexpected command %v", cmd)
}
return newResult(RedisMessage{typ: '+', string: "Do"}, nil)
}
if v, err := client.Do(context.Background(), c).ToString(); err != nil || v != "Do" {
t.Fatalf("unexpected response %v %v", v, err)
}
})
t.Run("Delegate DoMulti", func(t *testing.T) {
c := client.B().Get().Key("Do").Build()
m.DoMultiFn = func(cmd ...Completed) []RedisResult {
if !reflect.DeepEqual(cmd[0].Commands(), c.Commands()) {
t.Fatalf("unexpected command %v", cmd)
}
return []RedisResult{newResult(RedisMessage{typ: '+', string: "Do"}, nil)}
}
if len(client.DoMulti(context.Background())) != 0 {
t.Fatalf("unexpected response length")
}
if v, err := client.DoMulti(context.Background(), c)[0].ToString(); err != nil || v != "Do" {
t.Fatalf("unexpected response %v %v", v, err)
}
})
t.Run("Delegate DoCache", func(t *testing.T) {
c := client.B().Get().Key("DoCache").Cache()
m.DoCacheFn = func(cmd Cacheable, ttl time.Duration) RedisResult {
if !reflect.DeepEqual(cmd.Commands(), c.Commands()) || ttl != 100 {
t.Fatalf("unexpected command %v, %v", cmd, ttl)
}
return newResult(RedisMessage{typ: '+', string: "DoCache"}, nil)
}
if v, err := client.DoCache(context.Background(), c, 100).ToString(); err != nil || v != "DoCache" {
t.Fatalf("unexpected response %v %v", v, err)
}
})
t.Run("Delegate DoMultiCache", func(t *testing.T) {
c := client.B().Get().Key("DoCache").Cache()
m.DoMultiCacheFn = func(multi ...CacheableTTL) []RedisResult {
if !reflect.DeepEqual(multi[0].Cmd.Commands(), c.Commands()) || multi[0].TTL != 100 {
t.Fatalf("unexpected command %v, %v", multi[0].Cmd, multi[0].TTL)
}
return []RedisResult{newResult(RedisMessage{typ: '+', string: "DoCache"}, nil)}
}
if len(client.DoMultiCache(context.Background())) != 0 {
t.Fatalf("unexpected response length")
}
if v, err := client.DoMultiCache(context.Background(), CT(c, 100))[0].ToString(); err != nil || v != "DoCache" {
t.Fatalf("unexpected response %v %v", v, err)
}
})
t.Run("Delegate Receive", func(t *testing.T) {
c := client.B().Subscribe().Channel("ch").Build()
hdl := func(message PubSubMessage) {}
m.ReceiveFn = func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
if !reflect.DeepEqual(subscribe.Commands(), c.Commands()) {
t.Fatalf("unexpected command %v", subscribe)
}
return nil
}
if err := client.Receive(context.Background(), c, hdl); err != nil {
t.Fatalf("unexpected response %v", err)
}
})
t.Run("Delegate Receive Redis Err", func(t *testing.T) {
c := client.B().Subscribe().Channel("ch").Build()
e := &RedisError{}
m.ReceiveFn = func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
return e
}
if err := client.Receive(context.Background(), c, func(message PubSubMessage) {}); err != e {
t.Fatalf("unexpected response %v", err)
}
})
t.Run("Delegate Close", func(t *testing.T) {
called := false
m.CloseFn = func() { called = true }
client.Close()
if !called {
t.Fatalf("Close is not delegated")
}
})
t.Run("Dedicated Err", func(t *testing.T) {
v := errors.New("fn err")
if err := client.Dedicated(func(client DedicatedClient) error {
return v
}); err != v {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Dedicated Delegate", func(t *testing.T) {
w := &mockWire{
DoFn: func(cmd Completed) RedisResult {
return newResult(RedisMessage{typ: '+', string: "Delegate"}, nil)
},
DoMultiFn: func(cmd ...Completed) []RedisResult {
return []RedisResult{newResult(RedisMessage{typ: '+', string: "Delegate"}, nil)}
},
ReceiveFn: func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
return ErrClosing
},
ErrorFn: func() error {
return ErrClosing
},
}
m.AcquireFn = func() wire {
return w
}
stored := false
m.StoreFn = func(ww wire) {
if ww != w {
t.Fatalf("received unexpected wire %v", ww)
}
stored = true
}
if err := client.Dedicated(func(c DedicatedClient) error {
if v, err := c.Do(context.Background(), c.B().Get().Key("a").Build()).ToString(); err != nil || v != "Delegate" {
t.Fatalf("unexpected response %v %v", v, err)
}
if v := c.DoMulti(context.Background()); len(v) != 0 {
t.Fatalf("received unexpected response %v", v)
}
for _, resp := range c.DoMulti(context.Background(), c.B().Get().Key("a").Build()) {
if v, err := resp.ToString(); err != nil || v != "Delegate" {
t.Fatalf("unexpected response %v %v", v, err)
}
}
if err := c.Receive(context.Background(), c.B().Ssubscribe().Channel("a").Build(), func(msg PubSubMessage) {}); err != ErrClosing {
t.Fatalf("unexpected ret %v", err)
}
return nil
}); err != nil {
t.Fatalf("unexpected err %v", err)
}
if !stored {
t.Fatalf("Dedicated desn't put back the wire")
}
})
t.Run("Dedicate Delegate", func(t *testing.T) {
w := &mockWire{
DoFn: func(cmd Completed) RedisResult {
return newResult(RedisMessage{typ: '+', string: "Delegate"}, nil)
},
DoMultiFn: func(cmd ...Completed) []RedisResult {
return []RedisResult{newResult(RedisMessage{typ: '+', string: "Delegate"}, nil)}
},
ReceiveFn: func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
return ErrClosing
},
ErrorFn: func() error {
return ErrClosing
},
}
m.AcquireFn = func() wire {
return w
}
stored := false
m.StoreFn = func(ww wire) {
if ww != w {
t.Fatalf("received unexpected wire %v", ww)
}
stored = true
}
c, cancel := client.Dedicate()
if v, err := c.Do(context.Background(), c.B().Get().Key("a").Build()).ToString(); err != nil || v != "Delegate" {
t.Fatalf("unexpected response %v %v", v, err)
}
if v := c.DoMulti(context.Background()); len(v) != 0 {
t.Fatalf("received unexpected response %v", v)
}
for _, resp := range c.DoMulti(context.Background(), c.B().Get().Key("a").Build()) {
if v, err := resp.ToString(); err != nil || v != "Delegate" {
t.Fatalf("unexpected response %v %v", v, err)
}
}
if err := c.Receive(context.Background(), c.B().Ssubscribe().Channel("a").Build(), func(msg PubSubMessage) {}); err != ErrClosing {
t.Fatalf("unexpected ret %v", err)
}
cancel()
if !stored {
t.Fatalf("Dedicated desn't put back the wire")
}
})
}
//gocyclo:ignore
func TestSentinelClientDelegateRetry(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
setup := func(t *testing.T) (client *sentinelClient, cb func()) {
retry := uint32(0)
trigger := make(chan error)
s0 := &mockConn{
DoFn: func(cmd Completed) RedisResult { return RedisResult{} },
DoMultiFn: func(multi ...Completed) []RedisResult {
if atomic.LoadUint32(&retry) == 0 {
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "1"},
}}},
}
}
return []RedisResult{
{val: RedisMessage{typ: '*', values: []RedisMessage{}}},
{val: RedisMessage{typ: '*', values: []RedisMessage{
{typ: '+', string: ""}, {typ: '+', string: "2"},
}}},
}
},
ReceiveFn: func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
if err, ok := <-trigger; ok {
return err
}
return ErrClosing
},
ErrorFn: func() error {
return ErrClosing
},
}
m1 := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if cmd == cmds.RoleCmd {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
}
atomic.AddUint32(&retry, 1)
return newErrResult(ErrClosing)
},
DoMultiFn: func(multi ...Completed) []RedisResult {
atomic.AddUint32(&retry, 1)
return []RedisResult{newErrResult(ErrClosing)}
},
DoCacheFn: func(cmd Cacheable, ttl time.Duration) RedisResult {
atomic.AddUint32(&retry, 1)
return newErrResult(ErrClosing)
},
ReceiveFn: func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
atomic.AddUint32(&retry, 1)
return ErrClosing
},
}
m2 := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if cmd == cmds.RoleCmd {
return RedisResult{val: RedisMessage{typ: '*', values: []RedisMessage{{typ: '+', string: "master"}}}}
}
return RedisResult{val: RedisMessage{typ: '+', string: "OK"}}
},
DoMultiFn: func(multi ...Completed) []RedisResult {
return []RedisResult{{val: RedisMessage{typ: '+', string: "OK"}}}
},
DoCacheFn: func(cmd Cacheable, ttl time.Duration) RedisResult {
return RedisResult{val: RedisMessage{typ: '+', string: "OK"}}
},
ReceiveFn: func(ctx context.Context, subscribe Completed, fn func(message PubSubMessage)) error {
return nil
},
}
client, err := newSentinelClient(&ClientOption{InitAddress: []string{":0"}}, func(dst string, opt *ClientOption) conn {
if dst == ":0" {
return s0
}
if dst == ":1" {
return m1
}
if dst == ":2" {
return m2
}
return nil
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
return client, func() {
for atomic.LoadUint32(&retry) < 10 {
time.Sleep(time.Millisecond * 100)
}
trigger <- errors.New("die")
close(trigger)
}
}
t.Run("Delegate Do", func(t *testing.T) {
client, cb := setup(t)
go func() {
cb()
}()