func newConnPair() (*Conn, *Conn) {
l, err := net.Listen("tcp", "127.0.0.1:0")
assert.MustNoError(err)
defer l.Close()
const bufsize = 128 * 1024
cc := make(chan *Conn, 1)
go func() {
defer close(cc)
for {
c, err := l.Accept()
if err != nil {
return
}
cc <- NewConnSize(c, bufsize)
}
}()
conn1, err := DialTimeout(l.Addr().String(), bufsize, time.Millisecond*50)
assert.MustNoError(err)
conn2, ok := <-cc
assert.Must(ok)
return conn1, conn2
}
func TestProxy(t *testing.T) {
fakeZkConn := zkhelper.NewConn()
path := GetSlotBasePath(productName)
children, _, _ := fakeZkConn.Children(path)
assert.Must(len(children) == 0)
g := NewServerGroup(productName, 1)
g.Create(fakeZkConn)
// test create new group
_, err := ServerGroups(fakeZkConn, productName)
assert.MustNoError(err)
ok, err := g.Exists(fakeZkConn)
assert.MustNoError(err)
assert.Must(ok)
s1 := NewServer(SERVER_TYPE_MASTER, "localhost:1111")
g.AddServer(fakeZkConn, s1, "")
err = InitSlotSet(fakeZkConn, productName, 1024)
assert.MustNoError(err)
children, _, _ = fakeZkConn.Children(path)
assert.Must(len(children) == 1024)
s, err := GetSlot(fakeZkConn, productName, 1)
assert.MustNoError(err)
assert.Must(s.GroupId == -1)
err = SetSlotRange(fakeZkConn, productName, 0, 1023, 1, SLOT_STATUS_ONLINE)
assert.MustNoError(err)
pi := &ProxyInfo{
Id: "proxy_1",
Addr: "localhost:1234",
State: PROXY_STATE_OFFLINE,
}
_, err = CreateProxyInfo(fakeZkConn, productName, pi)
assert.MustNoError(err)
ps, err := ProxyList(fakeZkConn, productName, nil)
assert.MustNoError(err)
assert.Must(len(ps) == 1)
assert.Must(ps[0].Id == "proxy_1")
err = SetProxyStatus(fakeZkConn, productName, pi.Id, PROXY_STATE_ONLINE)
assert.MustNoError(err)
p, err := GetProxyInfo(fakeZkConn, productName, pi.Id)
assert.MustNoError(err)
assert.Must(p.State == PROXY_STATE_ONLINE)
}
func TestBtoi(t *testing.T) {
for i, b := range tmap {
v, err := btoi(b)
assert.MustNoError(err)
assert.Must(v == i)
}
}
func TestForceRemoveLock(t *testing.T) {
fakeZkConn := zkhelper.NewConn()
zkLock := utils.GetZkLock(fakeZkConn, productName)
assert.Must(zkLock != nil)
zkLock.Lock("force remove lock")
zkPath := fmt.Sprintf("/zk/codis/db_%s/LOCK", productName)
children, _, err := fakeZkConn.Children(zkPath)
assert.MustNoError(err)
assert.Must(len(children) != 0)
ForceRemoveLock(fakeZkConn, productName)
children, _, err = fakeZkConn.Children(zkPath)
assert.MustNoError(err)
assert.Must(len(children) == 0)
}
func init() {
conn = zkhelper.NewConn()
conf = &Config{
proxyId: "proxy_test",
productName: "test",
zkAddr: "localhost:2181",
fact: func(string, int) (zkhelper.Conn, error) { return conn, nil },
proto: "tcp4",
}
//init action path
prefix := models.GetWatchActionPath(conf.productName)
err := models.CreateActionRootPath(conn, prefix)
assert.MustNoError(err)
//init slot
err = models.InitSlotSet(conn, conf.productName, 1024)
assert.MustNoError(err)
//init server group
g1 := models.NewServerGroup(conf.productName, 1)
g1.Create(conn)
g2 := models.NewServerGroup(conf.productName, 2)
g2.Create(conn)
redis1, _ = miniredis.Run()
redis2, _ = miniredis.Run()
s1 := models.NewServer(models.SERVER_TYPE_MASTER, redis1.Addr())
s2 := models.NewServer(models.SERVER_TYPE_MASTER, redis2.Addr())
g1.AddServer(conn, s1, "")
g2.AddServer(conn, s2, "")
//set slot range
err = models.SetSlotRange(conn, conf.productName, 0, 511, 1, models.SLOT_STATUS_ONLINE)
assert.MustNoError(err)
err = models.SetSlotRange(conn, conf.productName, 512, 1023, 2, models.SLOT_STATUS_ONLINE)
assert.MustNoError(err)
s = New(":19000", ":11000", conf)
err = models.SetProxyStatus(conn, conf.productName, conf.proxyId, models.PROXY_STATE_ONLINE)
assert.MustNoError(err)
}
func TestBackend(t *testing.T) {
l, err := net.Listen("tcp", "127.0.0.1:0")
assert.MustNoError(err)
defer l.Close()
addr := l.Addr().String()
reqc := make(chan *Request, 16384)
go func() {
bc := NewBackendConn(addr, "")
defer bc.Close()
defer close(reqc)
var resp = redis.NewBulkBytes(make([]byte, 4096))
for i := 0; i < cap(reqc); i++ {
r := &Request{
Resp: resp,
Wait: &sync.WaitGroup{},
}
bc.PushBack(r)
reqc <- r
}
}()
go func() {
c, err := l.Accept()
assert.MustNoError(err)
defer c.Close()
conn := redis.NewConn(c)
time.Sleep(time.Millisecond * 300)
for i := 0; i < cap(reqc); i++ {
_, err := conn.Reader.Decode()
assert.MustNoError(err)
resp := redis.NewString([]byte(strconv.Itoa(i)))
assert.MustNoError(conn.Writer.Encode(resp, true))
}
}()
var n int
for r := range reqc {
r.Wait.Wait()
assert.Must(string(r.Response.Resp.Value) == strconv.Itoa(n))
n++
}
assert.Must(n == cap(reqc))
}
func TestConnReaderTimeout(t *testing.T) {
resp := NewString([]byte("hello world"))
conn1, conn2 := newConnPair()
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
var err error
conn1.ReaderTimeout = time.Millisecond * 10
_, err = conn1.Reader.Decode()
assert.Must(err != nil && IsTimeout(err))
conn1.Reader.Err = nil
conn1.ReaderTimeout = 0
_, err = conn1.Reader.Decode()
assert.MustNoError(err)
_, err = conn1.Reader.Decode()
assert.Must(err != nil && errors.Equal(err, io.EOF))
}()
wg.Add(1)
go func() {
defer wg.Done()
var err error
time.Sleep(time.Millisecond * 100)
err = conn2.Writer.Encode(resp, true)
assert.MustNoError(err)
conn2.Close()
}()
wg.Wait()
conn1.Close()
conn2.Close()
}
func TestAddSlaveToEmptyGroup(t *testing.T) {
resetEnv()
g := NewServerGroup(productName, 1)
g.Create(conn)
s1 := NewServer(SERVER_TYPE_SLAVE, "127.0.0.1:1111")
err := g.AddServer(conn, s1, "")
assert.MustNoError(err)
assert.Must(g.Servers[0].Type == SERVER_TYPE_MASTER)
}
func TestDecodeBulkBytes(t *testing.T) {
test := "*2\r\n$4\r\nLLEN\r\n$6\r\nmylist\r\n"
resp, err := DecodeFromBytes([]byte(test))
assert.MustNoError(err)
assert.Must(len(resp.Array) == 2)
s1 := resp.Array[0]
assert.Must(bytes.Equal(s1.Value, []byte("LLEN")))
s2 := resp.Array[1]
assert.Must(bytes.Equal(s2.Value, []byte("mylist")))
}
func TestNewAction(t *testing.T) {
fakeZkConn := zkhelper.NewConn()
err := NewAction(fakeZkConn, productName, ACTION_TYPE_SLOT_CHANGED, nil, "desc", false)
assert.MustNoError(err)
prefix := GetWatchActionPath(productName)
exist, _, err := fakeZkConn.Exists(prefix)
assert.MustNoError(err)
assert.Must(exist)
//test if response node exists
d, _, err := fakeZkConn.Get(prefix + "/0000000001")
assert.MustNoError(err)
//test get action data
d, _, err = fakeZkConn.Get(GetActionResponsePath(productName) + "/0000000001")
assert.MustNoError(err)
var action Action
err = json.Unmarshal(d, &action)
assert.MustNoError(err)
assert.Must(action.Desc == "desc")
assert.Must(action.Type == ACTION_TYPE_SLOT_CHANGED)
}
func runFakeRedisSrv(addr string) {
l, err := net.Listen("tcp", addr)
assert.MustNoError(err)
for {
c, err := l.Accept()
if err != nil {
continue
}
go func(c net.Conn) {
w := bufio.NewWriter(c)
w.WriteString("+OK\r\n")
w.Flush()
}(c)
}
}
//this should be the last test
func TestMarkOffline(t *testing.T) {
suicide := int64(0)
go func() {
s.Join()
atomic.StoreInt64(&suicide, 1)
}()
err := models.SetProxyStatus(conn, conf.productName, conf.proxyId, models.PROXY_STATE_MARK_OFFLINE)
assert.MustNoError(err)
time.Sleep(3 * time.Second)
if atomic.LoadInt64(&suicide) == 0 {
t.Error("shoud be suicided")
}
}
func TestGetOpStr(t *testing.T) {
var m = map[string]string{
"get": "GET",
"aBc": "ABC",
"おはよ": "おはよ",
"ni hao!": "NI HAO!",
"": "",
}
for k, v := range m {
resp := redis.NewArray([]*redis.Resp{redis.NewBulkBytes([]byte(k))})
s, err := getOpStr(resp)
if v != "" {
assert.MustNoError(err)
assert.Must(s == v)
} else {
assert.Must(err != nil)
}
}
}
func TestDecoder(t *testing.T) {
test := []string{
"$6\r\nfoobar\r\n",
"$0\r\n\r\n",
"$-1\r\n",
"*0\r\n",
"*2\r\n$3\r\nfoo\r\n$3\r\nbar\r\n",
"*3\r\n:1\r\n:2\r\n:3\r\n",
"*-1\r\n",
"+OK\r\n",
"-Error message\r\n",
"*2\r\n$1\r\n0\r\n*0\r\n",
"*3\r\n$4\r\nEVAL\r\n$31\r\nreturn {1,2,{3,'Hello World!'}}\r\n$1\r\n0\r\n",
}
for _, s := range test {
_, err := DecodeFromBytes([]byte(s))
assert.MustNoError(err)
}
}
func TestDecodeSimpleRequest2(t *testing.T) {
test := []string{
"hello world\r\n",
"hello world \r\n",
" hello world \r\n",
" hello world\r\n",
" hello world \r\n",
}
for _, s := range test {
resp, err := DecodeFromBytes([]byte(s))
assert.MustNoError(err)
assert.Must(resp.IsArray())
assert.Must(len(resp.Array) == 2)
s1 := resp.Array[0]
assert.Must(bytes.Equal(s1.Value, []byte("hello")))
s2 := resp.Array[1]
assert.Must(bytes.Equal(s2.Value, []byte("world")))
}
}
func TestSlots(t *testing.T) {
fakeZkConn := zkhelper.NewConn()
path := GetSlotBasePath(productName)
children, _, _ := fakeZkConn.Children(path)
assert.Must(len(children) == 0)
err := InitSlotSet(fakeZkConn, productName, 1024)
assert.MustNoError(err)
children, _, _ = fakeZkConn.Children(path)
assert.Must(len(children) == 1024)
s, err := GetSlot(fakeZkConn, productName, 1)
assert.MustNoError(err)
assert.Must(s.GroupId == -1)
g := NewServerGroup(productName, 1)
g.Create(fakeZkConn)
// test create new group
_, err = ServerGroups(fakeZkConn, productName)
assert.MustNoError(err)
ok, err := g.Exists(fakeZkConn)
assert.MustNoError(err)
assert.Must(ok)
err = SetSlotRange(fakeZkConn, productName, 0, 1023, 1, SLOT_STATUS_ONLINE)
assert.MustNoError(err)
s, err = GetSlot(fakeZkConn, productName, 1)
assert.MustNoError(err)
assert.Must(s.GroupId == 1)
err = s.SetMigrateStatus(fakeZkConn, 1, 2)
assert.MustNoError(err)
assert.Must(s.GroupId == 2)
assert.Must(s.State.Status == SLOT_STATUS_MIGRATE)
}
func TestConnWriterTimeout(t *testing.T) {
resp := NewString([]byte("hello world"))
conn1, conn2 := newConnPair()
var wg sync.WaitGroup
var count atomic2.Int64
wg.Add(1)
go func() {
defer wg.Done()
defer conn2.Close()
conn2.WriterTimeout = time.Millisecond * 50
for {
if err := conn2.Writer.Encode(resp, true); err != nil {
assert.Must(IsTimeout(err))
return
}
count.Incr()
}
}()
wg.Wait()
for i := count.Get(); i != 0; i-- {
_, err := conn1.Reader.Decode()
assert.MustNoError(err)
}
_, err := conn1.Reader.Decode()
assert.Must(err != nil && errors.Equal(err, io.EOF))
conn1.Close()
conn2.Close()
}
func TestServerGroup(t *testing.T) {
resetEnv()
g := NewServerGroup(productName, 1)
g.Create(conn)
// test create new group
groups, err := ServerGroups(conn, productName)
assert.MustNoError(err)
assert.Must(len(groups) != 0)
ok, err := g.Exists(conn)
assert.MustNoError(err)
assert.Must(ok)
gg, err := GetGroup(conn, productName, 1)
assert.MustNoError(err)
assert.Must(gg != nil && gg.Id == g.Id)
s1 := NewServer(SERVER_TYPE_MASTER, "127.0.0.1:1111")
s2 := NewServer(SERVER_TYPE_MASTER, "127.0.0.1:2222")
err = g.AddServer(conn, s1, "")
servers, err := g.GetServers(conn)
assert.MustNoError(err)
assert.Must(len(servers) == 1)
g.AddServer(conn, s2, "")
assert.Must(len(g.Servers) == 1)
s2.Type = SERVER_TYPE_SLAVE
g.AddServer(conn, s2, "")
assert.Must(len(g.Servers) == 2)
err = g.Promote(conn, s2.Addr, "")
assert.MustNoError(err)
s, err := g.Master(conn)
assert.MustNoError(err)
assert.Must(s.Addr == s2.Addr)
}
func TestDecodeSimpleRequest1(t *testing.T) {
resp, err := DecodeFromBytes([]byte("\r\n"))
assert.MustNoError(err)
assert.Must(resp.IsArray())
assert.Must(len(resp.Array) == 0)
}
func testEncodeAndCheck(t *testing.T, resp *Resp, expect []byte) {
b, err := EncodeToBytes(resp)
assert.MustNoError(err)
assert.Must(bytes.Equal(b, expect))
}
func TestGetOpStrCmd(t *testing.T) {
var m = map[string]string{
"del": "DEL",
"dump": "DUMP",
"exists": "EXISTS",
"expire": "EXPIRE",
"expireat": "EXPIREAT",
"persist": "PERSIST",
"pexpire": "PEXPIRE",
"pexpireat": "PEXPIREAT",
"pttl": "PTTL",
"restore": "RESTORE",
"sort": "SORT",
"ttl": "TTL",
"type": "TYPE",
"append": "APPEND",
"bitcount": "BITCOUNT",
"decr": "DECR",
"decrby": "DECRBY",
"get": "GET",
"getbit": "GETBIT",
"getrange": "GETRANGE",
"getset": "GETSET",
"incr": "INCR",
"incrby": "INCRBY",
"incrbyfloat": "INCRBYFLOAT",
"mget": "MGET",
"mset": "MSET",
"psetex": "PSETEX",
"set": "SET",
"setbit": "SETBIT",
"setex": "SETEX",
"setnx": "SETNX",
"setrange": "SETRANGE",
"strlen": "STRLEN",
"hdel": "HDEL",
"hexists": "HEXISTS",
"hget": "HGET",
"hgetall": "HGETALL",
"hincrby": "HINCRBY",
"hincrbyfloat": "HINCRBYFLOAT",
"hkeys": "HKEYS",
"hlen": "HLEN",
"hmget": "HMGET",
"hmset": "HMSET",
"hset": "HSET",
"hsetnx": "HSETNX",
"hvals": "HVALS",
"hscan": "HSCAN",
"lindex": "LINDEX",
"linsert": "LINSERT",
"llen": "LLEN",
"lpop": "LPOP",
"lpush": "LPUSH",
"lpushx": "LPUSHX",
"lrange": "LRANGE",
"lrem": "LREM",
"lset": "LSET",
"ltrim": "LTRIM",
"rpop": "RPOP",
"rpoplpush": "RPOPLPUSH",
"rpush": "RPUSH",
"rpushx": "RPUSHX",
"sadd": "SADD",
"scard": "SCARD",
"sdiff": "SDIFF",
"sdiffstore": "SDIFFSTORE",
"sinter": "SINTER",
"sinterstore": "SINTERSTORE",
"sismember": "SISMEMBER",
"smembers": "SMEMBERS",
"smove": "SMOVE",
"spop": "SPOP",
"srandmember": "SRANDMEMBER",
"srem": "SREM",
"sunion": "SUNION",
"sunionstore": "SUNIONSTORE",
"sscan": "SSCAN",
"zadd": "ZADD",
"zcard": "ZCARD",
"zcount": "ZCOUNT",
"zincrby": "ZINCRBY",
"zinterstore": "ZINTERSTORE",
"zlexcount": "ZLEXCOUNT",
"zrange": "ZRANGE",
"zrangebylex": "ZRANGEBYLEX",
"zrangebyscore": "ZRANGEBYSCORE",
"zrank": "ZRANK",
"zrem": "ZREM",
"zremrangebylex": "ZREMRANGEBYLEX",
"zremrangebyrank": "ZREMRANGEBYRANK",
"zremrangebyscore": "ZREMRANGEBYSCORE",
"zrevrange": "ZREVRANGE",
"zrevrangebyscore": "ZREVRANGEBYSCORE",
"zrevrank": "ZREVRANK",
"zscore": "ZSCORE",
"zunionstore": "ZUNIONSTORE",
"zscan": "ZSCAN",
"pfadd": "PFADD",
"pfcount": "PFCOUNT",
"pfmerge": "PFMERGE",
"eval": "EVAL",
"evalsha": "EVALSHA",
}
for k, v := range m {
resp := redis.NewArray([]*redis.Resp{redis.NewBulkBytes([]byte(k))})
s, err := getOpStr(resp)
assert.MustNoError(err)
assert.Must(s == v)
}
}