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bpo-41322: added deprecation warning for tests returning value!=None (GH-27748)

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andrei kulakov 2021-08-19 05:41:04 -04:00 • committed by GitHub
parent 0fd66e46b2
commit 3db42fc5ac
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3 changed files with 10 additions and 2 deletions
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5
Lib/unittest/async_case.py
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@ -1,5 +1,6 @@
import asyncio
import inspect
import warnings
from .case import TestCase
@ -62,7 +63,9 @@ class IsolatedAsyncioTestCase(TestCase):
self._callAsync(self.asyncSetUp)
def _callTestMethod(self, method):
self._callMaybeAsync(method)
if self._callMaybeAsync(method) is not None:
warnings.warn(f'It is deprecated to return a value!=None from a '
f'test case ({method})', DeprecationWarning)
def _callTearDown(self):
self._callAsync(self.asyncTearDown)