mark test failures

RustPython · youknowone · Feb 1, 2026 · Jan 30, 2026 · Jan 30, 2026 · Jan 30, 2026
commit 9a9426ee73921d1fa944f7bde29f5b7da56dd624
diff --git a/Lib/test/test_asyncgen.py b/Lib/test/test_asyncgen.py
@@ -1026,6 +1026,7 @@ async def run():
         fut.cancel()
         self.loop.run_until_complete(asyncio.sleep(0.01))
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; gc_collect doesn't finalize async generators
     def test_async_gen_asyncio_gc_aclose_09(self):
         DONE = 0
 
@@ -1512,6 +1513,7 @@ async def main():
         self.assertIn('an error occurred during closing of asynchronous generator',
                       message['message'])
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; gc_collect doesn't finalize async generators, different cleanup path
     def test_async_gen_asyncio_shutdown_exception_02(self):
         messages = []
 

diff --git a/Lib/test/test_asyncio/test_free_threading.py b/Lib/test/test_asyncio/test_free_threading.py
@@ -189,7 +189,7 @@ def tearDown(self):
     def factory(self, loop, coro, **kwargs):
         return asyncio.tasks._PyTask(coro, loop=loop, **kwargs)
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: <Task finished name='Task-7322' coro=<TestFreeThreading.test_task_different_thread_finalized.<locals>.func() done, defined at /Users/al03219714/Projects/RustPython2/crates/pylib/Lib/test/test_asyncio/test_free_threading.py:101> result=None> is not None
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC weak reference timing issue
     def test_task_different_thread_finalized(self):
         return super().test_task_different_thread_finalized()
 
@@ -228,7 +228,7 @@ class TestEagerPyFreeThreading(TestPyFreeThreading):
     def factory(self, loop, coro, eager_start=True, **kwargs):
         return asyncio.tasks._PyTask(coro, loop=loop, **kwargs, eager_start=eager_start)
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: <Task finished name='Task-5240' coro=<TestFreeThreading.test_task_different_thread_finalized.<locals>.func() done, defined at /Users/al03219714/Projects/RustPython2/crates/pylib/Lib/test/test_asyncio/test_free_threading.py:101> result=None> is not None
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC weak reference timing issue
     def test_task_different_thread_finalized(self):
         return super().test_task_different_thread_finalized()
 

diff --git a/Lib/test/test_asyncio/test_streams.py b/Lib/test/test_asyncio/test_streams.py
@@ -1078,7 +1078,7 @@ def test_eof_feed_when_closing_writer(self):
 
         self.assertEqual(messages, [])
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: 0 != 1
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC finalization timing issue
     def test_unclosed_resource_warnings(self):
         async def inner(httpd):
             rd, wr = await asyncio.open_connection(*httpd.address)

diff --git a/Lib/test/test_concurrent_futures/test_as_completed.py b/Lib/test/test_concurrent_futures/test_as_completed.py
@@ -72,6 +72,7 @@ def test_duplicate_futures(self):
         ]
         self.assertEqual(len(completed), 1)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC weak reference not collected
     def test_free_reference_yielded_future(self):
         # Issue #14406: Generator should not keep references
         # to finished futures.

diff --git a/Lib/test/test_concurrent_futures/test_init.py b/Lib/test/test_concurrent_futures/test_init.py
@@ -136,9 +136,11 @@ def _test(self, test_class):
 
         self.assertEqual(_resource_tracker._exitcode, 0)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; resource tracker exit code mismatch
     def test_spawn(self):
         self._test(ProcessPoolSpawnFailingInitializerTest)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; resource tracker exit code mismatch
     @support.skip_if_sanitizer("TSAN doesn't support threads after fork", thread=True)
     def test_forkserver(self):
         self._test(ProcessPoolForkserverFailingInitializerTest)

diff --git a/Lib/test/test_copy.py b/Lib/test/test_copy.py
@@ -837,12 +837,15 @@ class C(object):
         v[x] = y
         self.assertNotIn(x, u)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_copy_weakkeydict(self):
         self._check_copy_weakdict(weakref.WeakKeyDictionary)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_copy_weakvaluedict(self):
         self._check_copy_weakdict(weakref.WeakValueDictionary)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_deepcopy_weakkeydict(self):
         class C(object):
             def __init__(self, i):
@@ -863,6 +866,7 @@ def __init__(self, i):
         support.gc_collect()  # For PyPy or other GCs.
         self.assertEqual(len(v), 1)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_deepcopy_weakvaluedict(self):
         class C(object):
             def __init__(self, i):

diff --git a/Lib/test/test_coroutines.py b/Lib/test/test_coroutines.py
@@ -1668,6 +1668,7 @@ async def foo():
 
         self.assertEqual(sys.getrefcount(aiter), refs_before)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; refcount leak in async for/with
     def test_for_6(self):
         I = 0
 

diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
@@ -1076,6 +1076,7 @@ def do_close(g):
             g.close()
         self._check_generator_cleanup_exc_state(do_close)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC generator cleanup timing
     def test_generator_del_cleanup_exc_state(self):
         def do_del(g):
             g = None

diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
@@ -2274,14 +2274,12 @@ def test_group_error(self):
         with self.assertRaises(ValueError):
             subprocess.check_call(ZERO_RETURN_CMD, group=65535)
 
-    @unittest.expectedFailure # TODO: RUSTPYTHON; observed gids do not match expected gids
     @unittest.skipUnless(hasattr(os, 'setgroups'), 'no setgroups() on platform')
     def test_extra_groups(self):
         gid = os.getegid()
         group_list = [65534 if gid != 65534 else 65533]
         self._test_extra_groups_impl(gid=gid, group_list=group_list)
 
-    @unittest.expectedFailure # TODO: RUSTPYTHON
     @unittest.skipUnless(hasattr(os, 'setgroups'), 'no setgroups() on platform')
     def test_extra_groups_empty_list(self):
         self._test_extra_groups_impl(gid=os.getegid(), group_list=[])
@@ -3284,6 +3282,7 @@ def test_select_unbuffered(self):
         finally:
             p.wait()
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC Popen.__del__ timing
     def test_zombie_fast_process_del(self):
         # Issue #12650: on Unix, if Popen.__del__() was called before the
         # process exited, it wouldn't be added to subprocess._active, and would
@@ -3308,6 +3307,7 @@ def test_zombie_fast_process_del(self):
             # check that p is in the active processes list
             self.assertIn(ident, [id(o) for o in subprocess._active])
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC Popen.__del__ timing
     def test_leak_fast_process_del_killed(self):
         # Issue #12650: on Unix, if Popen.__del__() was called before the
         # process exited, and the process got killed by a signal, it would never

diff --git a/Lib/test/test_unittest/test_async_case.py b/Lib/test/test_unittest/test_async_case.py
@@ -475,7 +475,6 @@ async def cleanup(self, fut):
         test.doCleanups()
         self.assertEqual(events, ['asyncSetUp', 'test', 'cleanup'])
 
-    @unittest.expectedFailure
     def test_setup_get_event_loop(self):
         # See https://github.com/python/cpython/issues/95736
         # Make sure the default event loop is not used

diff --git a/Lib/test/test_unittest/test_suite.py b/Lib/test/test_unittest/test_suite.py
@@ -374,9 +374,11 @@ def test_nothing(self):
         self.assertEqual(suite._tests, [None])
         self.assertIsNone(wref())
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC test not collected after run
     def test_garbage_collect_test_after_run_BaseTestSuite(self):
         self.assert_garbage_collect_test_after_run(unittest.BaseTestSuite)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC test not collected after run
     def test_garbage_collect_test_after_run_TestSuite(self):
         self.assert_garbage_collect_test_after_run(unittest.TestSuite)
 

diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
@@ -1368,6 +1368,7 @@ def test_weak_keyed_len_race(self):
     def test_weak_valued_len_race(self):
         self.check_len_race(weakref.WeakValueDictionary, lambda k: (1, k))
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_weak_values(self):
         #
         #  This exercises d.copy(), d.items(), d[], del d[], len(d).
@@ -1400,6 +1401,7 @@ def test_weak_values(self):
         gc_collect()  # For PyPy or other GCs.
         self.assertRaises(KeyError, dict.__getitem__, 2)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_weak_keys(self):
         #
         #  This exercises d.copy(), d.items(), d[] = v, d[], del d[],
@@ -1765,6 +1767,7 @@ def test_weak_valued_dict_update(self):
             self.assertEqual(list(d.keys()), [kw])
             self.assertEqual(d[kw], o)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_weak_valued_union_operators(self):
         a = C()
         b = C()
@@ -1817,6 +1820,7 @@ def test_weak_keyed_delitem(self):
         self.assertEqual(len(d), 1)
         self.assertEqual(list(d.keys()), [o2])
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; weakref callback not fired immediately by gc_collect
     def test_weak_keyed_union_operators(self):
         o1 = C()
         o2 = C()

diff --git a/Lib/test/test_weakset.py b/Lib/test/test_weakset.py
@@ -69,6 +69,7 @@ def test_contains(self):
         support.gc_collect()  # For PyPy or other GCs.
         self.assertNotIn(ustr('F'), self.fs)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC weak reference not collected
     def test_union(self):
         u = self.s.union(self.items2)
         for c in self.letters:
@@ -91,6 +92,7 @@ def test_or(self):
         self.assertEqual(self.s | set(self.items2), i)
         self.assertEqual(self.s | frozenset(self.items2), i)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC weak reference not collected
     def test_intersection(self):
         s = WeakSet(self.letters)
         i = s.intersection(self.items2)
@@ -128,6 +130,7 @@ def test_sub(self):
         self.assertEqual(self.s - set(self.items2), i)
         self.assertEqual(self.s - frozenset(self.items2), i)
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON; GC weak reference not collected
     def test_symmetric_difference(self):
         i = self.s.symmetric_difference(self.items2)
         for c in self.letters:
-Original file line number
+Diff line change
@@ Expand Up / @@ -1668,6 +1668,7 @@ async def foo(): @@
             self.assertEqual(sys.getrefcount(aiter), refs_before)
+        @unittest.expectedFailure  # TODO: RUSTPYTHON; refcount leak in async for/with
         def test_for_6(self):
             I = 0
@@ Expand Down @@