set_game_score might return True

telegram/bot.py

@@ -1515,7 +1515,8 @@ class Bot(TelegramObject):
         """Use this method to set the score of the specified user in a game.
 
         Returns:
-            :class:`telegram.Message`: The edited message.
+            :class:`telegram.Message` or True: The edited message, or if the
+                message wasn't sent by the bot, True.
 
         """
         url = '{0}/setGameScore'.format(self.base_url)
@@ -1532,7 +1533,10 @@ class Bot(TelegramObject):
             data['edit_message'] = edit_message
 
         result = self._request.post(url, data, timeout=kwargs.get('timeout'))
-        return Message.de_json(result, self)
+        if result is True:
+            return result
+        else:
+            return Message.de_json(result, self)
 
     def getGameHighScores(self,
                           user_id,

tests/test_bot.py

@@ -31,6 +31,7 @@ from flaky import flaky
 sys.path.append('.')
 
 import telegram
+from telegram.error import BadRequest
 from tests.base import BaseTest, timeout
 
 
@@ -314,6 +315,17 @@ class BotTest(BaseTest, unittest.TestCase):
         self.assertEqual(message.game.photo[0].file_size, game.game.photo[0].file_size)
         self.assertNotEqual(message.game.text, game.game.text)
 
+    @flaky(3, 1)
+    @timeout(10)
+    def test_set_game_score_too_low_score(self):
+        # We need a game to set the score for
+        game_short_name = 'python_telegram_bot_test_game'
+        game = self._bot.sendGame(game_short_name=game_short_name, chat_id=self._chat_id)
+
+        with self.assertRaises(BadRequest):
+            self._bot.set_game_score(
+                user_id=self._chat_id, score=100, chat_id=game.chat_id, message_id=game.message_id)
+
     def _testUserEqualsBot(self, user):
         """Tests if user is our trusty @PythonTelegramBot."""
         self.assertEqual(user.id, 133505823)