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bpo-33897: Add a 'force' keyword argument to logging.basicConfig(). (GH-7873)

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Dong-hee Na 2018-06-25 13:11:09 +09:00 • committed by Vinay Sajip
parent 2af9f5d334
commit cf67d6a934
4 changed files with 46 additions and 3 deletions
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21
Lib/test/test_logging.py
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@ -3901,6 +3901,27 @@ class BasicConfigTest(unittest.TestCase):
self.assertIs(handlers[2].formatter, f)
self.assertIs(handlers[0].formatter, handlers[1].formatter)
def test_force(self):
old_string_io = io.StringIO()
new_string_io = io.StringIO()
old_handlers = [logging.StreamHandler(old_string_io)]
new_handlers = [logging.StreamHandler(new_string_io)]
logging.basicConfig(level=logging.WARNING, handlers=old_handlers)
logging.warning('warn')
logging.info('info')
logging.debug('debug')
self.assertEqual(len(logging.root.handlers), 1)
logging.basicConfig(level=logging.INFO, handlers=new_handlers,
force=True)
logging.warning('warn')
logging.info('info')
logging.debug('debug')
self.assertEqual(len(logging.root.handlers), 1)
self.assertEqual(old_string_io.getvalue().strip(),
'WARNING:root:warn')
self.assertEqual(new_string_io.getvalue().strip(),
'WARNING:root:warn\nINFO:root:info')
def _test_log(self, method, level=None):
# logging.root has no handlers so basicConfig should be called
called = []