diff options
| -rw-r--r-- | Lib/test/test_warnings.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py index c7d2e5cfbb..03d9958f69 100644 --- a/Lib/test/test_warnings.py +++ b/Lib/test/test_warnings.py @@ -44,6 +44,7 @@ class BaseTest: """Basic bookkeeping required for testing.""" def setUp(self): + self.old_unittest_module = unittest.case.warnings # The __warningregistry__ needs to be in a pristine state for tests # to work properly. if '__warningregistry__' in globals(): @@ -55,10 +56,15 @@ class BaseTest: # The 'warnings' module must be explicitly set so that the proper # interaction between _warnings and 'warnings' can be controlled. sys.modules['warnings'] = self.module + # Ensure that unittest.TestCase.assertWarns() uses the same warnings + # module than warnings.catch_warnings(). Otherwise, + # warnings.catch_warnings() will be unable to remove the added filter. + unittest.case.warnings = self.module super(BaseTest, self).setUp() def tearDown(self): sys.modules['warnings'] = original_warnings + unittest.case.warnings = self.old_unittest_module super(BaseTest, self).tearDown() class PublicAPITests(BaseTest): |