Fix: bt2: adjust reference counting of value objects

[babeltrace.git] / tests / bindings / python / bt2 / test_component_class.py

diff --git a/tests/bindings/python/bt2/test_component_class.py b/tests/bindings/python/bt2/test_component_class.py
index 228ef9c73345bfe4bbd07180a76698726e687426..bc60606c72d2a5cbcf496f355c044d3df5d90aec 100644 (file)
--- a/tests/bindings/python/bt2/test_component_class.py
+++ b/tests/bindings/python/bt2/test_component_class.py
@@ -1,3 +1,21 @@
+#
+# Copyright (C) 2019 EfficiOS Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; only version 2
+# of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
 from bt2 import value
 import unittest
 import bt2
@@ -223,10 +241,22 @@ class UserComponentClassTestCase(unittest.TestCase):
 
         query_log_level = None
         res = bt2.QueryExecutor().query(MySink, 'obj', None,
-                                        bt2.LoggingLevel.WARN)
-        self.assertEqual(query_log_level, bt2.LoggingLevel.WARN)
+                                        bt2.LoggingLevel.WARNING)
+        self.assertEqual(query_log_level, bt2.LoggingLevel.WARNING)
         del query_log_level
 
+    def test_query_returns_none(self):
+        class MySink(bt2._UserSinkComponent):
+            def _consume(self):
+                pass
+
+            @staticmethod
+            def _query(query_exec, obj, params, log_level):
+                return
+
+        res = bt2.QueryExecutor().query(MySink, 'obj', None)
+        self.assertIsNone(res)
+
     def test_query_simple(self):
         class MySink(bt2._UserSinkComponent):
             def _consume(self):