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bpo-41322: Add unit tests for deprecation of test return values (GH-27846)

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Also fix the traceback of warnings.
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andrei kulakov 2021-08-22 14:32:45 -04:00 • committed by GitHub
parent 6dd1cdb0cf
commit b1db308c61
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6 changed files with 50 additions and 2 deletions
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20
Lib/unittest/test/test_case.py
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@ -306,6 +306,26 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing):
Foo('test').run()
def test_deprecation_of_return_val_from_test(self):
# Issue 41322 - deprecate return of value!=None from a test
class Foo(unittest.TestCase):
def test1(self):
return 1
def test2(self):
yield 1
with self.assertWarns(DeprecationWarning) as w:
Foo('test1').run()
self.assertIn('It is deprecated to return a value!=None', str(w.warnings[0].message))
self.assertIn('test1', str(w.warnings[0].message))
self.assertEqual(w.warnings[0].filename, __file__)
with self.assertWarns(DeprecationWarning) as w:
Foo('test2').run()
self.assertIn('It is deprecated to return a value!=None', str(w.warnings[0].message))
self.assertIn('test2', str(w.warnings[0].message))
self.assertEqual(w.warnings[0].filename, __file__)
def _check_call_order__subtests(self, result, events, expected_events):
class Foo(Test.LoggingTestCase):
def test(self):