feat(redis): add redis client interface, for testing

cache.go

@@ -16,7 +16,7 @@ type SyncCacheOpts struct {
 }
 
 type SyncCacheClient struct {
-	redis             *redis.Client
+	redis             Redis
 	cacheGroupManager *CacheGroupsManager
 }
 

redis_interface.go

@@ -0,0 +1,13 @@
+package sync_cache
+
+import (
+	"github.com/go-redis/redis"
+	"time"
+)
+
+type Redis interface {
+	Get(key string) *redis.StringCmd
+	Set(key string, value interface{}, expiration time.Duration) *redis.StatusCmd
+	Del(keys ...string) *redis.IntCmd
+	FlushDB() *redis.StatusCmd
+}