diff --git a/tests/test_telebot.py b/tests/test_telebot.py
index a22adcd..377bd72 100644
--- a/tests/test_telebot.py
+++ b/tests/test_telebot.py
@@ -126,6 +126,16 @@ class TestTeleBot:
         ret_msg = tb.send_document(CHAT_ID, ret_msg.document.file_id)
         assert ret_msg.message_id
 
+    def test_send_file_with_filename(self):
+        file_data = open('../examples/detailed_example/kitten.jpg', 'rb')
+        tb = telebot.TeleBot(TOKEN)
+
+        ret_msg = tb.send_document(CHAT_ID, file_data)
+        assert ret_msg.message_id
+
+        ret_msg = tb.send_document(CHAT_ID, file_data, file_name="test.jpg")
+        assert ret_msg.message_id
+        
     def test_send_file_dis_noti(self):
         file_data = open('../examples/detailed_example/kitten.jpg', 'rb')
         tb = telebot.TeleBot(TOKEN)