add successful_payment filter under message

jeffffc · jeffffc · commit 27238c52e26b · 2017-05-22T23:39:28.000+08:00
diff --git a/telegram/ext/filters.py b/telegram/ext/filters.py
@@ -238,6 +238,13 @@ def filter(self, message):
 
     game = _Game()
 
+    class _ShippingQuery(BaseFilter):
+
+        def filter(self, message):
+            return bool(message.shipping_query)
+
+    shipping_query = _ShippingQuery()
+
     class entity(BaseFilter):
         """Filters messages to only allow those which have a :class:`telegram.MessageEntity`
         where their `type` matches `entity_type`.
diff --git a/tests/test_filters.py b/tests/test_filters.py
@@ -118,6 +118,12 @@ def test_filters_game(self):
         self.message.game = None
         self.assertFalse(Filters.game(self.message))
 
+    def test_filters_successful_payment(self):
+        self.message.successful_payment = 'test'
+        self.asserTrue(Filters.successful_payment(self.message))
+        self.message.successful_payment = None
+        self.assertFalse(Filters.successful_payment(self.message))
+
     def test_filters_status_update(self):
         self.assertFalse(Filters.status_update(self.message))
 
