fix buffer pool thx @monolithed

Author: KlonD90

lib/connection.js

@@ -80,7 +80,7 @@ TarantoolConnection.prototype.onData = function(data){
             }
             break;
         case states.AWAITING:
-            var trackResult = this._responseBufferTrack(Buffer.concat(this.buffer, data), this.awaitingResponseLength);
+            var trackResult = this._responseBufferTrack(Buffer.concat([this.buffer, data]), this.awaitingResponseLength);
             if (trackResult.length == 2)
             {
                 this.state = states.AWAITING;

test/app.js

@@ -93,5 +93,18 @@ describe('Tarantool Connection tests', function(){
 				done();
 			}).catch(function(e){ done(e) });
 		});
+		it('a lot of insert', function(done){
+			var promises = [];
+			for (var i = 0; i <= 1000; i++) {
+				conn.insert(512, ['key' + i, i]);  // ok
+			}
+			Promise.all(promises)
+				.then(function(pr){
+					done();
+				})
+				.catch(function(e){
+					done(e);
+				});
+		})
 	});
 });