diff options
Diffstat (limited to 'Lib/test/_test_multiprocessing.py')
| -rw-r--r-- | Lib/test/_test_multiprocessing.py | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py index 94ce85c..e4183ee 100644 --- a/Lib/test/_test_multiprocessing.py +++ b/Lib/test/_test_multiprocessing.py @@ -5609,8 +5609,9 @@ class TestResourceTracker(unittest.TestCase): ''' for rtype in resource_tracker._CLEANUP_FUNCS: with self.subTest(rtype=rtype): - if rtype == "noop": + if rtype in ("noop", "dummy"): # Artefact resource type used by the resource_tracker + # or tests continue r, w = os.pipe() p = subprocess.Popen([sys.executable, @@ -5730,6 +5731,38 @@ class TestResourceTracker(unittest.TestCase): with self.assertRaises(ValueError): resource_tracker.register(too_long_name_resource, rtype) + def _test_resource_tracker_leak_resources(self, cleanup): + # We use a separate instance for testing, since the main global + # _resource_tracker may be used to watch test infrastructure. + from multiprocessing.resource_tracker import ResourceTracker + tracker = ResourceTracker() + tracker.ensure_running() + self.assertTrue(tracker._check_alive()) + + self.assertIsNone(tracker._exitcode) + tracker.register('somename', 'dummy') + if cleanup: + tracker.unregister('somename', 'dummy') + expected_exit_code = 0 + else: + expected_exit_code = 1 + + self.assertTrue(tracker._check_alive()) + self.assertIsNone(tracker._exitcode) + tracker._stop() + self.assertEqual(tracker._exitcode, expected_exit_code) + + def test_resource_tracker_exit_code(self): + """ + Test the exit code of the resource tracker. + + If no leaked resources were found, exit code should be 0, otherwise 1 + """ + for cleanup in [True, False]: + with self.subTest(cleanup=cleanup): + self._test_resource_tracker_leak_resources( + cleanup=cleanup, + ) class TestSimpleQueue(unittest.TestCase): |