New submission from Lisa Roach <[email protected]>:
Hard to explain in the title, easier to see via a test case:
async def async_func():
raise Exception
def test_simultaneous_mocks(self):
class Test(IsolatedAsyncioTestCase):
async def test_test(self):
patcher1 = patch(f"{__name__}.async_func")
patcher2 = patch(f"{__name__}.async_func")
patcher1.start()
await async_func()
patcher2.start()
await async_func()
patcher1.stop()
with self.assertRaises(Exception):
await async_func()
patcher2.stop()
with self.assertRaises(Exception): # Fails, mock is restored!
await async_func()
test = Test("test_test")
output = test.run()
self.assertTrue(output.wasSuccessful()) # Fail
Calling stop() on the second patch actually restores the mock and causes the
test to fail.
----------
assignee: lisroach
messages: 379687
nosy: lisroach
priority: normal
severity: normal
status: open
title: AsyncMock restores stopped patch if same object stopped multiple times
versions: Python 3.10, Python 3.8, Python 3.9
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Python tracker <[email protected]>
<https://bugs.python.org/issue42159>
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