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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{ // 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{ // 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{ // 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{ // 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{ // 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{ // 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 }); 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 }}
}); 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) }}
}); 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
},
}
}); 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 7 },
}
}); 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)
},
}
}); 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 7 },
}
}); 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 },
}
})
}
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(7)
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
},
}
})
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 7 },
}
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
testFunc(t, client, &first)
})
})
t.Run("Shards tls", func(t *testing.T) {
client, err := newClusterClient(&ClientOption{InitAddress: []string{"127.0.0.1:0"}, TLSConfig: &tls.Config{}}, func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
return shardsRespTls
},
VersionFn: func() int { return 7 },
}
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
nodes := client.nodes()
sort.Strings(nodes)
if len(nodes) != 4 ||
nodes[0] != "127.0.0.1:0" ||
nodes[1] != "127.0.1.1:1" ||
nodes[2] != "127.0.2.1:2" ||
nodes[3] != "127.0.3.1:3" {
t.Fatalf("unexpected nodes %v", nodes)
}
})
t.Run("Refresh aws cluster", func(t *testing.T) {
getClient := func(version int) (client *clusterClient, err error) {
return newClusterClient(&ClientOption{InitAddress: []string{"xxxxx.amazonaws.com:1"}}, func(dst string, opt *ClientOption) conn {
return &mockConn{
DoFn: func(cmd Completed) RedisResult {
if dst == "xxxxx.amazonaws.com:1" && strings.Join(cmd.Commands(), " ") == "CLUSTER SHARDS" {
return shardsResp
}
return newErrResult(errors.New("unexpected call"))
},
AddrFn: func() string { return "xxxxx.amazonaws.com:1" },
VersionFn: func() int { return version },
}
})
}
t.Run("shards", func(t *testing.T) {
client, err := getClient(7)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
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] != "xxxxx.amazonaws.com:1" {
t.Fatalf("unexpected nodes %v", nodes)
}
client.Close()
})
})
t.Run("Refresh cluster which has only primary node per shard with SendToReplica option", func(t *testing.T) {
m := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if strings.Join(cmd.Commands(), " ") == "CLUSTER SLOTS" {
return slotsMultiRespWithoutReplicas
}
return RedisResult{}
},
}
client, err := newClusterClient(
&ClientOption{
InitAddress: []string{"127.0.0.1:0"},
SendToReplicas: func(cmd Completed) bool {
return true
},
},
func(dst string, opt *ClientOption) conn {
copiedM := *m
return &copiedM
},
)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
if client.pslots[0] != client.conns["127.0.0.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 0")
}
if client.pslots[8192] != client.conns["127.0.0.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 8192")
}
if client.pslots[8193] != client.conns["127.0.1.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 8193")
}
if client.pslots[16383] != client.conns["127.0.1.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 16383")
}
if client.rslots[0] != client.conns["127.0.0.1:0"].conn {
t.Fatalf("unexpected node assigned to rslot 0")
}
if client.rslots[8192] != client.conns["127.0.0.1:0"].conn {
t.Fatalf("unexpected node assigned to rslot 8192")
}
if client.rslots[8193] != client.conns["127.0.1.1:0"].conn {
t.Fatalf("unexpected node assigned to rslot 8193")
}
if client.rslots[16383] != client.conns["127.0.1.1:0"].conn {
t.Fatalf("unexpected node assigned to rslot 16383")
}
})
t.Run("Refresh cluster which has multi nodes per shard with SendToReplica option", func(t *testing.T) {
primaryNodeConn := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if strings.Join(cmd.Commands(), " ") == "CLUSTER SLOTS" {
return slotsMultiResp
}
return RedisResult{
err: errors.New("unexpected call"),
}
},
}
replicaNodeConn := &mockConn{
DoFn: func(cmd Completed) RedisResult {
return RedisResult{
err: errors.New("unexpected call"),
}
},
}
client, err := newClusterClient(
&ClientOption{
InitAddress: []string{"127.0.0.1:0"},
SendToReplicas: func(cmd Completed) bool {
return true
},
},
func(dst string, opt *ClientOption) conn {
if dst == "127.0.0.1:0" || dst == "127.0.2.1:0" {
if opt.ReplicaOnly {
t.Fatalf("unexpected replicaOnly option in primary node")
}
return primaryNodeConn
} else {
if !opt.ReplicaOnly {
t.Fatalf("unexpected replicaOnly option in replica node")
}
return replicaNodeConn
}
},
)
if err != nil {
t.Fatalf("unexpected err %v", err)
}
if client.pslots[0] != client.conns["127.0.0.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 0")
}
if client.pslots[8192] != client.conns["127.0.0.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 8192")
}
if client.pslots[8193] != client.conns["127.0.2.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 8193")
}
if client.pslots[16383] != client.conns["127.0.2.1:0"].conn {
t.Fatalf("unexpected node assigned to pslot 16383")
}
if client.rslots[0] != client.conns["127.0.1.1:1"].conn {
t.Fatalf("unexpected node assigned to rslot 0")
}
if client.rslots[8192] != client.conns["127.0.1.1:1"].conn {
t.Fatalf("unexpected node assigned to rslot 8192")
}
if client.rslots[8193] != client.conns["127.0.3.1:1"].conn {
t.Fatalf("unexpected node assigned to rslot 8193")
}
if client.rslots[16383] != client.conns["127.0.3.1:1"].conn {
t.Fatalf("unexpected node assigned to rslot 16383")
}
})
}
//gocyclo:ignore
func TestClusterClient(t *testing.T) {
defer ShouldNotLeaked(SetupLeakDetection())
m := &mockConn{
DoFn: func(cmd Completed) RedisResult {
if strings.Join(cmd.Commands(), " ") == "CLUSTER SLOTS" {
return slotsMultiResp
}
return RedisResult{}
},
DoStreamFn: func(cmd Completed) RedisResultStream {
return RedisResultStream{e: errors.New(cmd.Commands()[1])}
},
DoMultiFn: func(multi ...Completed) *redisresults {
resps := make([]RedisResult, len(multi))
for i, cmd := range multi {
resps[i] = newResult(RedisMessage{typ: '+', string: strings.Join(cmd.Commands(), " ")}, nil)
}
return &redisresults{s: resps}
},
DoMultiStreamFn: func(cmd ...Completed) MultiRedisResultStream {
return MultiRedisResultStream{e: errors.New(cmd[0].Commands()[1])}
},
DoMultiCacheFn: func(multi ...CacheableTTL) *redisresults {
resps := make([]RedisResult, len(multi))
for i, cmd := range multi {
resps[i] = newResult(RedisMessage{typ: '+', string: strings.Join(cmd.Cmd.Commands(), " ")}, nil)
}
return &redisresults{s: resps}
},
DoOverride: map[string]func(cmd Completed) RedisResult{
"GET Do": func(cmd Completed) RedisResult {
return newResult(RedisMessage{typ: '+', string: "Do"}, nil)
},
"INFO": func(cmd Completed) RedisResult {
return newResult(RedisMessage{typ: '+', string: "Info"}, nil)
},
},
DoCacheOverride: map[string]func(cmd Cacheable, ttl time.Duration) RedisResult{
"GET DoCache": func(cmd Cacheable, ttl time.Duration) RedisResult {
return newResult(RedisMessage{typ: '+', string: "DoCache"}, nil)
},
},
}
client, err := newClusterClient(&ClientOption{InitAddress: []string{"127.0.0.1:0"}}, func(dst string, opt *ClientOption) conn {
return m
})
if err != nil {
t.Fatalf("unexpected err %v", err)
}
t.Run("Nodes", func(t *testing.T) {
nodes := client.Nodes()
if len(nodes) != 4 || nodes["127.0.0.1:0"] == nil || nodes["127.0.1.1:1"] == nil ||
nodes["127.0.2.1:0"] == nil || nodes["127.0.3.1:1"] == nil {
t.Fatalf("unexpected Nodes")
}
})
t.Run("Delegate Do with no slot", func(t *testing.T) {
c := client.B().Info().Build()
if v, err := client.Do(context.Background(), c).ToString(); err != nil || v != "Info" {
t.Fatalf("unexpected response %v %v", v, err)
}
})