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package goredisstore_test
import (
"log"
"testing"
"time"
"github.com/go-redis/redis"
"github.com/throttled/throttled"
"github.com/throttled/throttled/store/goredisstore"
"github.com/throttled/throttled/store/storetest"
)
const (
redisTestDB = 1
redisTestPrefix = "throttled-go-redis:"
)
// Demonstrates that how to initialize a RateLimiter with redis
// using go-redis library.
func ExampleNew() {
// import "github.com/go-redis/redis"
// Initialize a redis client using go-redis
client := redis.NewClient(&redis.Options{
PoolSize: 10, // default
IdleTimeout: 30 * time.Second,
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
// Setup store
store, err := goredisstore.New(client, "throttled:")
if err != nil {
log.Fatal(err)
}
// Setup quota
quota := throttled.RateQuota{MaxRate: throttled.PerMin(20), MaxBurst: 5}
// Then, use store and quota as arguments for NewGCRARateLimiter()
throttled.NewGCRARateLimiter(store, quota)
}
func TestRedisStore(t *testing.T) {
c, st := setupRedis(t, 0)
defer c.Close()
defer clearRedis(c)
clearRedis(c)
storetest.TestGCRAStore(t, st)
storetest.TestGCRAStoreTTL(t, st)
}
func BenchmarkRedisStore(b *testing.B) {
c, st := setupRedis(b, 0)
defer c.Close()
defer clearRedis(c)
storetest.BenchmarkGCRAStore(b, st)
}
func clearRedis(c *redis.Client) error {
keys, err := c.Keys(redisTestPrefix + "*").Result()
if err != nil {
return err
}
return c.Del(keys...).Err()
}
func setupRedis(tb testing.TB, ttl time.Duration) (*redis.Client, *goredisstore.GoRedisStore) {
client := redis.NewClient(&redis.Options{
PoolSize: 10, // default
IdleTimeout: 30 * time.Second,
Addr: "localhost:6379",
Password: "", // no password set
DB: redisTestDB, // use default DB
})
if err := client.Ping().Err(); err != nil {
client.Close()
tb.Skip("redis server not available on localhost port 6379")
}
st, err := goredisstore.New(client, redisTestPrefix)
if err != nil {
client.Close()
tb.Fatal(err)
}
return client, st
}
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