add ability to get *redis.Client

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

redis.go

@@ -43,6 +43,10 @@ func (r *Store) Init(opts ...options.Option) error {
 	return r.configure()
 }
 
+func (r *Store) Redis() *redis.Client {
+	return r.cli.(*redis.Client)
+}
+
 func (r *Store) Disconnect(ctx context.Context) error {
 	return r.cli.Close()
 }

redis_test.go

@@ -72,11 +72,11 @@ func Test_rkv_configure(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			r := &Store{
+			rc := &Store{
 				opts: tt.fields.options,
 				cli:  tt.fields.Client,
 			}
-			err := r.configure()
+			err := rc.configure()
 			if (err != nil) != tt.wantErr {
 				t.Errorf("configure() error = %v, wantErr %v", err, tt.wantErr)
 				return