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cluster_test.go
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package rueidis
import (
"context"
"crypto/tls"
"errors"
"fmt"
"io"
"reflect"
"sort"
"strconv"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
)
var slotsResp = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 16383},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.0.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica
{typ: '+', string: "127.0.1.1"},
{typ: ':', integer: 1},
{typ: '+', string: ""},
}},
}},
}}, nil)
var slotsMultiResp = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 8192},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.0.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica
{typ: '+', string: "127.0.1.1"},
{typ: ':', integer: 1},
{typ: '+', string: ""},
}},
}},
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 8193},
{typ: ':', integer: 16383},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.2.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica
{typ: '+', string: "127.0.3.1"},
{typ: ':', integer: 1},
{typ: '+', string: ""},
}},
}},
}}, nil)
var slotsMultiRespWithoutReplicas = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 8192},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.0.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
}},
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 8193},
{typ: ':', integer: 16383},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.1.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
}},
}}, nil)
var slotsMultiRespWithMultiReplicas = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 8192},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.0.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica1
{typ: '+', string: "127.0.0.2"},
{typ: ':', integer: 1},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica2
{typ: '+', string: "127.0.0.3"},
{typ: ':', integer: 2},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica3
{typ: '+', string: "127.0.0.4"},
{typ: ':', integer: 3},
{typ: '+', string: ""},
}},
}},
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 8193},
{typ: ':', integer: 16383},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.1.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica1
{typ: '+', string: "127.0.1.2"},
{typ: ':', integer: 1},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica2
{typ: '+', string: "127.0.1.3"},
{typ: ':', integer: 2},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica3
{typ: '+', string: "127.0.1.4"},
{typ: ':', integer: 3},
{typ: '+', string: ""},
}},
}},
}}, nil)
var singleSlotResp = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 0},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.0.1"},
{typ: ':', integer: 0},
{typ: '+', string: ""},
}},
}},
}}, nil)
var singleSlotResp2 = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 0},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "127.0.3.1"},
{typ: ':', integer: 3},
{typ: '+', string: ""},
}},
}},
}}, nil)
var singleSlotWithoutIP = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 0},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: ""},
{typ: ':', integer: 4},
{typ: '+', string: ""},
}},
{typ: '*', values: []RedisMessage{ // replica
{typ: '+', string: "?"},
{typ: ':', integer: 1},
{typ: '+', string: ""},
}},
}},
{typ: '*', values: []RedisMessage{
{typ: ':', integer: 0},
{typ: ':', integer: 0},
{typ: '*', values: []RedisMessage{ // master
{typ: '+', string: "?"},
{typ: ':', integer: 4},
{typ: '+', string: ""},
}},
}},
}}, nil)
var shardsResp = newResult(RedisMessage{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "0"},
{typ: typeBlobString, string: "16383"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // failed master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.0.99"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.0.99"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "fail"},
}},
{typ: typeMap, values: []RedisMessage{ // master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.0.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.0.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
{typ: typeMap, values: []RedisMessage{ // replica
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 1},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.1.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.1.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "replica"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
}}, nil)
var shardsRespTls = newResult(RedisMessage{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "0"},
{typ: typeBlobString, string: "16383"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // replica, tls
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "tls-port"},
{typ: typeInteger, integer: 2},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.2.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.2.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "replica"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
{typ: typeMap, values: []RedisMessage{ // failed master, tls + port
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "tls-port"},
{typ: typeInteger, integer: 1},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.1.99"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.1.99"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "fail"},
}},
{typ: typeMap, values: []RedisMessage{ // master, tls + port
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "tls-port"},
{typ: typeInteger, integer: 1},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.1.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.1.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
{typ: typeMap, values: []RedisMessage{ // replica, port
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 3},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.3.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.3.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "replica"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
}}, nil)
var shardsMultiResp = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "0"},
{typ: typeBlobString, string: "8192"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // failed master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.0.99"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.0.99"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "fail"},
}},
{typ: typeMap, values: []RedisMessage{ // master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.0.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.0.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
{typ: typeMap, values: []RedisMessage{ // replica
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 1},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.1.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.1.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "replica"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "8193"},
{typ: typeBlobString, string: "16383"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // failed master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.2.99"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.2.99"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "fail"},
}},
{typ: typeMap, values: []RedisMessage{ // master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 0},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.2.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.2.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
{typ: typeMap, values: []RedisMessage{ // replica
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 1},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.3.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.3.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "replica"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
}}, nil)
var singleShardResp2 = newResult(RedisMessage{typ: '*', values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "0"},
{typ: typeBlobString, string: "0"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // failed master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 3},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.3.99"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.3.99"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "fail"},
}},
{typ: typeMap, values: []RedisMessage{ // master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 3},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "127.0.3.1"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "127.0.3.1"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
}}, nil)
var singleShardWithoutIP = newResult(RedisMessage{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "0"},
{typ: typeBlobString, string: "0"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // failed master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 4},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "fail"},
}},
{typ: typeMap, values: []RedisMessage{ // master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 4},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
{typ: typeMap, values: []RedisMessage{ // replica
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 1},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "?"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "?"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "replica"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
{typ: typeMap, values: []RedisMessage{
{typ: typeBlobString, string: "slots"},
{typ: typeArray, values: []RedisMessage{
{typ: typeBlobString, string: "0"},
{typ: typeBlobString, string: "0"},
}},
{typ: typeBlobString, string: "nodes"},
{typ: typeArray, values: []RedisMessage{
{typ: typeMap, values: []RedisMessage{ // master
{typ: typeBlobString, string: "id"},
{typ: typeBlobString, string: ""},
{typ: typeBlobString, string: "port"},
{typ: typeInteger, integer: 4},
{typ: typeBlobString, string: "ip"},
{typ: typeBlobString, string: "?"},
{typ: typeBlobString, string: "endpoint"},
{typ: typeBlobString, string: "?"},
{typ: typeBlobString, string: "role"},
{typ: typeBlobString, string: "master"},
{typ: typeBlobString, string: "replication-offset"},
{typ: typeInteger, integer: 72156},
{typ: typeBlobString, string: "health"},
{typ: typeBlobString, string: "online"},
}},
}},
}},
}}, nil)
//gocyclo:ignore
func TestClusterClientInit(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
t.Run("Init no nodes", func(t *testing.T) {
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{}},
func(dst string, opt *ClientOption) conn { return nil },
newRetryer(defaultRetryDelayFn),
); err != ErrNoAddr {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Init no dialable", func(t *testing.T) {
v := errors.New("dial err")
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{":0"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{DialFn: func() error { return v }}
},
newRetryer(defaultRetryDelayFn),
); err != v {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh err", func(t *testing.T) {
v := errors.New("refresh err")
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{":0"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{DoFn: func(cmd Completed) RedisResult { return newErrResult(v) }}
},
newRetryer(defaultRetryDelayFn),
); err != v {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh skip zero slots", func(t *testing.T) {
var first int64
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{"127.0.0.1:0", "127.0.1.1:1"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.AddInt64(&first, 1) == 1 {
return newResult(RedisMessage{typ: '*', values: []RedisMessage{}}, nil)
}
return slotsResp
},
}
},
newRetryer(defaultRetryDelayFn),
); err != nil || atomic.AddInt64(&first, 1) < 2 {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh skip zero shards", func(t *testing.T) {
var first int64
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{"127.0.0.1:0", "127.0.1.1:1"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.AddInt64(&first, 1) == 1 {
return newResult(RedisMessage{typ: '*', values: []RedisMessage{}}, nil)
}
return shardsResp
},
VersionFn: func() int { return 8 },
}
},
newRetryer(defaultRetryDelayFn),
); err != nil || atomic.AddInt64(&first, 1) < 2 {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh no slots cluster", func(t *testing.T) {
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{":0"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return newResult(RedisMessage{typ: '*', values: []RedisMessage{}}, nil)
},
}
},
newRetryer(defaultRetryDelayFn),
); err != nil {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh no shards cluster", func(t *testing.T) {
if _, err := newClusterClient(
&ClientOption{InitAddress: []string{":0"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return newResult(RedisMessage{typ: '*', values: []RedisMessage{}}, nil)
},
VersionFn: func() int { return 8 },
}
},
newRetryer(defaultRetryDelayFn),
); err != nil {
t.Fatalf("unexpected err %v", err)
}
})
t.Run("Refresh cluster of 1 node without knowing its own ip", func(t *testing.T) {
getClient := func(version int) (client *clusterClient, err error) {
return newClusterClient(
&ClientOption{InitAddress: []string{"127.0.4.1:4"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if strings.Join(cmd.Commands(), " ") == "CLUSTER SLOTS" {
return singleSlotWithoutIP
}
return singleShardWithoutIP
},
AddrFn: func() string { return "127.0.4.1:4" },
VersionFn: func() int { return version },
}
},
newRetryer(defaultRetryDelayFn),
)
}
t.Run("slots", func(t *testing.T) {
client, err := getClient(6)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
nodes := client.nodes()
sort.Strings(nodes)
if len(nodes) != 1 ||
nodes[0] != "127.0.4.1:4" {
t.Fatalf("unexpected nodes %v", nodes)
}
})
t.Run("shards", func(t *testing.T) {
client, err := getClient(8)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
nodes := client.nodes()
sort.Strings(nodes)
if len(nodes) != 1 ||
nodes[0] != "127.0.4.1:4" {
t.Fatalf("unexpected nodes %v", nodes)
}
})
})
t.Run("Refresh replace", func(t *testing.T) {
testFunc := func(t *testing.T, client *clusterClient, num *int64) {
nodes := client.nodes()
sort.Strings(nodes)
if len(nodes) != 3 ||
nodes[0] != "127.0.0.1:0" ||
nodes[1] != "127.0.1.1:1" ||
nodes[2] != "127.0.2.1:2" {
t.Fatalf("unexpected nodes %v", nodes)
}
atomic.AddInt64(num, 1)
if err := client.refresh(context.Background()); err != nil {
t.Fatalf("unexpected err %v", err)
}
nodes = client.nodes()
sort.Strings(nodes)
if len(nodes) != 3 ||
nodes[0] != "127.0.1.1:1" ||
nodes[1] != "127.0.2.1:2" ||
nodes[2] != "127.0.3.1:3" {
t.Fatalf("unexpected nodes %v", nodes)
}
}
t.Run("slots", func(t *testing.T) {
var first int64
client, err := newClusterClient(
&ClientOption{InitAddress: []string{"127.0.1.1:1", "127.0.2.1:2"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.LoadInt64(&first) == 1 {
return singleSlotResp2
}
return slotsResp
},
}
},
newRetryer(defaultRetryDelayFn),
)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
testFunc(t, client, &first)
})
t.Run("shards", func(t *testing.T) {
var first int64
client, err := newClusterClient(
&ClientOption{InitAddress: []string{"127.0.1.1:1", "127.0.2.1:2"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.LoadInt64(&first) == 1 {
return singleShardResp2
}
return shardsResp
},
VersionFn: func() int { return 8 },
}
},
newRetryer(defaultRetryDelayFn),
)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
testFunc(t, client, &first)
})
})
t.Run("Refresh InitAddress which is not in CLUSTER SLOTS / CLUSTER SHARDS should be hidden", func(t *testing.T) {
testFunc := func(t *testing.T, client *clusterClient, num *int64) {
nodesWithHidden := client.nodes()
sort.Strings(nodesWithHidden)
if len(nodesWithHidden) != 4 ||
nodesWithHidden[0] != "127.0.0.1:0" ||
nodesWithHidden[1] != "127.0.1.1:1" ||
nodesWithHidden[2] != "127.0.2.1:2" ||
nodesWithHidden[3] != "redis.example.com" {
t.Fatalf("unexpected nodes %v", nodesWithHidden)
}
nodes := client.Nodes()
_, ok := nodes["127.0.0.1:0"]
_, ok2 := nodes["127.0.1.1:1"]
if len(nodes) != 2 || !ok || !ok2 {
t.Fatalf("unexpected nodes %v", nodes)
}
atomic.AddInt64(num, 1)
if err := client.refresh(context.Background()); err != nil {
t.Fatalf("unexpected err %v", err)
}
nodesWithHidden = client.nodes()
sort.Strings(nodesWithHidden)
if len(nodesWithHidden) != 4 ||
nodesWithHidden[0] != "127.0.1.1:1" ||
nodesWithHidden[1] != "127.0.2.1:2" ||
nodesWithHidden[2] != "127.0.3.1:3" ||
nodesWithHidden[3] != "redis.example.com" {
t.Fatalf("unexpected nodes %v", nodesWithHidden)
}
nodes = client.Nodes()
_, ok = nodes["127.0.3.1:3"]
if len(nodes) != 1 || !ok {
t.Fatalf("unexpected nodes %v", nodes)
}
}
t.Run("slots", func(t *testing.T) {
var first int64
client, err := newClusterClient(
&ClientOption{InitAddress: []string{"127.0.1.1:1", "127.0.2.1:2", "redis.example.com"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if atomic.LoadInt64(&first) == 1 {
return singleSlotResp2
}
return slotsResp
},
}
},
newRetryer(defaultRetryDelayFn),
)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
testFunc(t, client, &first)
})
t.Run("shards", func(t *testing.T) {
var first int64
client, err := newClusterClient(
&ClientOption{InitAddress: []string{"127.0.1.1:1", "127.0.2.1:2", "redis.example.com"}},
func(dst string, opt *ClientOption) conn {
return &mockConn{