From d4c76d960b8b286b75c933780416ace9cda682fd Mon Sep 17 00:00:00 2001 From: INADA Naoki Date: Mon, 1 Oct 2018 21:10:37 +0900 Subject: [PATCH] bpo-30167: Add test for module.__cached__ is None (GH-7617) --- Lib/test/test_site.py | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Lib/test/test_site.py b/Lib/test/test_site.py index dc59e5917c..33a8f1a44c 100644 --- a/Lib/test/test_site.py +++ b/Lib/test/test_site.py @@ -389,6 +389,17 @@ class ImportSideEffectTests(unittest.TestCase): "expected absolute path, got {}" .format(os__cached__.decode('ascii'))) + def test_abs_paths_cached_None(self): + """Test for __cached__ is None. + + Regarding to PEP 3147, __cached__ can be None. + + See also: https://bugs.python.org/issue30167 + """ + sys.modules['test'].__cached__ = None + site.abs_paths() + self.assertIsNone(sys.modules['test'].__cached__) + def test_no_duplicate_paths(self): # No duplicate paths should exist in sys.path # Handled by removeduppaths() -- 2.50.1