def test_restores_logging_on_error(self):
class MyException(Exception):
pass
stream = io.StringIO()
try:
with helpers.debug(stream=stream):
raise MyException
except MyException:
logger = logging.getLogger('factory')
self.assertEqual(logger.level, logging.NOTSET)
self.assertEqual(logger.handlers, [])
def test_default_logger(self):
stream1 = io.StringIO()
stream2 = io.StringIO()
l = logging.getLogger('factory.test')
h = logging.StreamHandler(stream1)
h.setLevel(logging.INFO)
l.addHandler(h)
# Non-debug: no text gets out
l.debug("Test")
self.assertEqual('', stream1.getvalue())
with helpers.debug(stream=stream2):
# Debug: text goes to new stream only
l.debug("Test2")
self.assertEqual('', stream1.getvalue())
self.assertEqual("Test2\n", stream2.getvalue())
def test_alternate_logger(self):
stream1 = io.StringIO()
stream2 = io.StringIO()
l1 = logging.getLogger('factory.test')
l2 = logging.getLogger('factory.foo')
h = logging.StreamHandler(stream1)
h.setLevel(logging.DEBUG)
l2.addHandler(h)
# Non-debug: no text gets out
l1.debug("Test")
self.assertEqual('', stream1.getvalue())
l2.debug("Test")
self.assertEqual('', stream1.getvalue())
with helpers.debug('factory.test', stream=stream2):
# Debug: text goes to new stream only
l1.debug("Test2")
l2.debug("Test3")
self.assertEqual("", stream1.getvalue())
self.assertEqual("Test2\n", stream2.getvalue())