Fix typos

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

diff --git a/tests/bindings/python/bt2/test_message_iterator.py b/tests/bindings/python/bt2/test_message_iterator.py
index ee3a3bb85c3303470f913acee749b09ca5b9ff6d..62600ac5d5b0b9b993d41b30d80aad220aeb4647 100644 (file)
--- a/tests/bindings/python/bt2/test_message_iterator.py
+++ b/tests/bindings/python/bt2/test_message_iterator.py
@@ -102,7 +102,7 @@ class UserMessageIteratorTestCase(unittest.TestCase):
         self.assertTrue(flt_iter_initialized)
 
     # Test that creating a message iterator from a sink component on a
-    # non-connected inport port raises.
+    # non-connected input port raises.
     def test_create_from_sink_component_unconnected_port_raises(self):
         class MySink(bt2._UserSinkComponent):
             def __init__(comp_self, config, params, obj):
@@ -124,8 +124,8 @@ class UserMessageIteratorTestCase(unittest.TestCase):
         graph.run()
         self.assertTrue(seen)
 
-    # Test that creating a message iterator from a message iteartor on a
-    # non-connected inport port raises.
+    # Test that creating a message iterator from a message iterator on a
+    # non-connected input port raises.
     def test_create_from_message_iterator_unconnected_port_raises(self):
         class MyFilterIter(bt2._UserMessageIterator):
             def __init__(iter_self, config, port):
@@ -380,6 +380,14 @@ class UserMessageIteratorTestCase(unittest.TestCase):
     # This verifies that we are not missing an incref of Py_None, making the
     # refcount of Py_None reach 0.
     def test_try_again_many_times(self):
+        # Starting with Python 3.12, `None` is immortal: its reference
+        # count operations are no-op. Skip this test in that case.
+        before = sys.getrefcount(None)
+        dummy = None  # noqa: F841
+
+        if before == sys.getrefcount(None):
+            raise unittest.SkipTest("`None` is immortal")
+
         class MyIter(bt2._UserMessageIterator):
             def __next__(self):
                 raise bt2.TryAgain
@@ -388,25 +396,6 @@ class UserMessageIteratorTestCase(unittest.TestCase):
             def __init__(self, config, params, obj):
                 self._add_output_port("out")
 
-        class MyFilterIter(bt2._UserMessageIterator):
-            def __init__(self, port):
-                input_port = port.user_data
-                self._upstream_iter = self._create_message_iterator(input_port)
-
-            def __next__(self):
-                return next(self._upstream_iter)
-
-            def _user_seek_beginning(self):
-                self._upstream_iter.seek_beginning()
-
-            def _user_can_seek_beginning(self):
-                return self._upstream_iter.can_seek_beginning()
-
-        class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter):
-            def __init__(self, config, params, obj):
-                input_port = self._add_input_port("in")
-                self._add_output_port("out", input_port)
-
         graph = bt2.Graph()
         src = graph.add_component(MySource, "src")
         it = TestOutputPortMessageIterator(graph, src.output_ports["out"])