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django/tests/dispatch/test_removedindjango20.py
2016-11-22 09:07:42 -05:00

25 lines
649 B
Python

import warnings
from django.dispatch import Signal
from django.test import SimpleTestCase
a_signal = Signal(providing_args=['val'])
def receiver_1_arg(val, **kwargs):
return val
class DispatcherTests(SimpleTestCase):
def test_disconnect_weak_deprecated(self):
a_signal.connect(receiver_1_arg)
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always')
a_signal.disconnect(receiver_1_arg, weak=True)
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
'Passing `weak` to disconnect has no effect.',
)