func TestConnMux(t *testing.T) {
c, err := redistest.Dial()
if err != nil {
t.Fatalf("error connection to database, %v", err)
}
m := redisx.NewConnMux(c)
defer m.Close()
c1 := m.Get()
c2 := m.Get()
c1.Send("ECHO", "hello")
c2.Send("ECHO", "world")
c1.Flush()
c2.Flush()
s, err := redis.String(c1.Receive())
if err != nil {
t.Fatal(err)
}
if s != "hello" {
t.Fatalf("echo returned %q, want %q", s, "hello")
}
s, err = redis.String(c2.Receive())
if err != nil {
t.Fatal(err)
}
if s != "world" {
t.Fatalf("echo returned %q, want %q", s, "world")
}
c1.Close()
c2.Close()
}
// generate new sid for redis session
func (rp *RedisProvider) SessionRegenerate(oldsid, sid string) (session.SessionStore, error) {
c := rp.poollist.Get()
defer c.Close()
if existed, _ := redis.Int(c.Do("EXISTS", oldsid)); existed == 0 {
// oldsid doesn't exists, set the new sid directly
// ignore error here, since if it return error
// the existed value will be 0
c.Do("SET", sid, "", "EX", rp.maxlifetime)
} else {
c.Do("RENAME", oldsid, sid)
c.Do("EXPIRE", sid, rp.maxlifetime)
}
kvs, err := redis.String(c.Do("GET", sid))
var kv map[interface{}]interface{}
if len(kvs) == 0 {
kv = make(map[interface{}]interface{})
} else {
kv, err = session.DecodeGob([]byte(kvs))
if err != nil {
return nil, err
}
}
rs := &RedisSessionStore{p: rp.poollist, sid: sid, values: kv, maxlifetime: rp.maxlifetime}
return rs, nil
}
func ExampleString() {
c, err := dial()
if err != nil {
fmt.Println(err)
return
}
defer c.Close()
c.Do("SET", "hello", "world")
s, err := redis.String(c.Do("GET", "hello"))
fmt.Printf("%#v\n", s)
// Output:
// "world"
}
// read redis session by sid
func (rp *RedisProvider) SessionRead(sid string) (session.SessionStore, error) {
c := rp.poollist.Get()
defer c.Close()
kvs, err := redis.String(c.Do("GET", sid))
var kv map[interface{}]interface{}
if len(kvs) == 0 {
kv = make(map[interface{}]interface{})
} else {
kv, err = session.DecodeGob([]byte(kvs))
if err != nil {
return nil, err
}
}
rs := &RedisSessionStore{p: rp.poollist, sid: sid, values: kv, maxlifetime: rp.maxlifetime}
return rs, nil
}
// This example implements ZPOP as described at
// http://redis.io/topics/transactions using WATCH/MULTI/EXEC and scripting.
func Example_zpop() {
c, err := dial()
if err != nil {
fmt.Println(err)
return
}
defer c.Close()
// Add test data using a pipeline.
for i, member := range []string{"red", "blue", "green"} {
c.Send("ZADD", "zset", i, member)
}
if _, err := c.Do(""); err != nil {
fmt.Println(err)
return
}
// Pop using WATCH/MULTI/EXEC
v, err := zpop(c, "zset")
if err != nil {
fmt.Println(err)
return
}
fmt.Println(v)
// Pop using a script.
v, err = redis.String(zpopScript.Do(c, "zset"))
if err != nil {
fmt.Println(err)
return
}
fmt.Println(v)
// Output:
// red
// blue
}
func TestRedisCache(t *testing.T) {
bm, err := cache.NewCache("redis", `{"conn": "127.0.0.1:6379"}`)
if err != nil {
t.Error("init err")
}
if err = bm.Put("astaxie", 1, 10); err != nil {
t.Error("set Error", err)
}
if !bm.IsExist("astaxie") {
t.Error("check err")
}
time.Sleep(10 * time.Second)
if bm.IsExist("astaxie") {
t.Error("check err")
}
if err = bm.Put("astaxie", 1, 10); err != nil {
t.Error("set Error", err)
}
if v, _ := redis.Int(bm.Get("astaxie"), err); v != 1 {
t.Error("get err")
}
if err = bm.Incr("astaxie"); err != nil {
t.Error("Incr Error", err)
}
if v, _ := redis.Int(bm.Get("astaxie"), err); v != 2 {
t.Error("get err")
}
if err = bm.Decr("astaxie"); err != nil {
t.Error("Decr Error", err)
}
if v, _ := redis.Int(bm.Get("astaxie"), err); v != 1 {
t.Error("get err")
}
bm.Delete("astaxie")
if bm.IsExist("astaxie") {
t.Error("delete err")
}
//test string
if err = bm.Put("astaxie", "author", 10); err != nil {
t.Error("set Error", err)
}
if !bm.IsExist("astaxie") {
t.Error("check err")
}
if v, _ := redis.String(bm.Get("astaxie"), err); v != "author" {
t.Error("get err")
}
//test GetMulti
if err = bm.Put("astaxie1", "author1", 10); err != nil {
t.Error("set Error", err)
}
if !bm.IsExist("astaxie1") {
t.Error("check err")
}
vv := bm.GetMulti([]string{"astaxie", "astaxie1"})
if len(vv) != 2 {
t.Error("GetMulti ERROR")
}
if v, _ := redis.String(vv[0], nil); v != "author" {
t.Error("GetMulti ERROR")
}
if v, _ := redis.String(vv[1], nil); v != "author1" {
t.Error("GetMulti ERROR")
}
// test clear all
if err = bm.ClearAll(); err != nil {
t.Error("clear all err")
}
}