client = redis.NewClient(&redis.Options{
Addr: redisAddr,
})
})
AfterEach(func() {
Expect(client.FlushDb().Err()).NotTo(HaveOccurred())
Expect(client.Close()).NotTo(HaveOccurred())
})
It("should Watch", func() {
var incr func(string) error
// Transactionally increments key using GET and SET commands.
incr = func(key string) error {
tx, err := client.Watch(key)
if err != nil {
return err
}
defer tx.Close()
n, err := tx.Get(key).Int64()
if err != nil && err != redis.Nil {
return err
}
_, err = tx.Exec(func() error {
tx.Set(key, strconv.FormatInt(n+1, 10), 0)
return nil
})
if err == redis.TxFailedErr {