func TestReadTimeout(t *testing.T) {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("net.Listen returned %v", err)
}
defer l.Close()
go func() {
for {
c, err := l.Accept()
if err != nil {
return
}
go func() {
time.Sleep(time.Second)
c.Write([]byte("+OK\r\n"))
c.Close()
}()
}
}()
// Do
c1, err := redis.Dial(l.Addr().Network(), l.Addr().String(), redis.DialReadTimeout(time.Millisecond))
if err != nil {
t.Fatalf("redis.Dial returned %v", err)
}
defer c1.Close()
_, err = c1.Do("PING")
if err == nil {
t.Fatalf("c1.Do() returned nil, expect error")
}
if c1.Err() == nil {
t.Fatalf("c1.Err() = nil, expect error")
}
// Send/Flush/Receive
c2, err := redis.Dial(l.Addr().Network(), l.Addr().String(), redis.DialReadTimeout(time.Millisecond))
if err != nil {
t.Fatalf("redis.Dial returned %v", err)
}
defer c2.Close()
c2.Send("PING")
c2.Flush()
_, err = c2.Receive()
if err == nil {
t.Fatalf("c2.Receive() returned nil, expect error")
}
if c2.Err() == nil {
t.Fatalf("c2.Err() = nil, expect error")
}
}
// Connect to local instance of Redis running on the default port.
func ExampleDial(x int) {
c, err := redis.Dial("tcp", ":6379")
if err != nil {
// handle error
}
defer c.Close()
}
// connect to redis.
func (rc *RedisCache) connectInit() {
dialFunc := func() (c redis.Conn, err error) {
c, err = redis.Dial("tcp", rc.conninfo)
if err != nil {
return nil, err
}
if rc.password != "" {
if _, err := c.Do("AUTH", rc.password); err != nil {
c.Close()
return nil, err
}
}
_, selecterr := c.Do("SELECT", rc.dbNum)
if selecterr != nil {
c.Close()
return nil, selecterr
}
return
}
// initialize a new pool
rc.p = &redis.Pool{
MaxIdle: 3,
IdleTimeout: 180 * time.Second,
Dial: dialFunc,
}
}
// init redis session
// savepath like redis server addr,pool size,password,dbnum
// e.g. 127.0.0.1:6379,100,astaxie,0
func (rp *RedisProvider) SessionInit(maxlifetime int64, savePath string) error {
rp.maxlifetime = maxlifetime
configs := strings.Split(savePath, ",")
if len(configs) > 0 {
rp.savePath = configs[0]
}
if len(configs) > 1 {
poolsize, err := strconv.Atoi(configs[1])
if err != nil || poolsize <= 0 {
rp.poolsize = MAX_POOL_SIZE
} else {
rp.poolsize = poolsize
}
} else {
rp.poolsize = MAX_POOL_SIZE
}
if len(configs) > 2 {
rp.password = configs[2]
}
if len(configs) > 3 {
dbnum, err := strconv.Atoi(configs[3])
if err != nil || dbnum < 0 {
rp.dbNum = 0
} else {
rp.dbNum = dbnum
}
} else {
rp.dbNum = 0
}
rp.poollist = redis.NewPool(func() (redis.Conn, error) {
c, err := redis.Dial("tcp", rp.savePath)
if err != nil {
return nil, err
}
if rp.password != "" {
if _, err := c.Do("AUTH", rp.password); err != nil {
c.Close()
return nil, err
}
}
_, err = c.Do("SELECT", rp.dbNum)
if err != nil {
c.Close()
return nil, err
}
return c, err
}, rp.poolsize)
return rp.poollist.Get().Err()
}
func TestWrite(t *testing.T) {
for _, tt := range writeTests {
var buf bytes.Buffer
c, _ := redis.Dial("", "", dialTestConn(nil, &buf))
err := c.Send(tt.args[0].(string), tt.args[1:]...)
if err != nil {
t.Errorf("Send(%v) returned error %v", tt.args, err)
continue
}
c.Flush()
actual := buf.String()
if actual != tt.expected {
t.Errorf("Send(%v) = %q, want %q", tt.args, actual, tt.expected)
}
}
}
func TestRead(t *testing.T) {
for _, tt := range readTests {
c, _ := redis.Dial("", "", dialTestConn(strings.NewReader(tt.reply), nil))
actual, err := c.Receive()
if tt.expected == errorSentinel {
if err == nil {
t.Errorf("Receive(%q) did not return expected error", tt.reply)
}
} else {
if err != nil {
t.Errorf("Receive(%q) returned error %v", tt.reply, err)
continue
}
if !reflect.DeepEqual(actual, tt.expected) {
t.Errorf("Receive(%q) = %v, want %v", tt.reply, actual, tt.expected)
}
}
}
}