8000 bpo-46442: improve testExceptionCleanupNames by yellowdusk1590 · Pull Request #30758 · python/cpython · GitHub
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bpo-46442: improve testExceptionCleanupNames #30758

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Merged
merged 1 commit into from
Jan 22, 2022
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bpo-46442: improve testExceptionCleanupNames #30758

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16 changes: 14 additions & 2 deletions Lib/test/test_exceptions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -671,15 +671,27 @@ def test_str(self):
self.assertTrue(str(Exception('a')))
self.assertTrue(str(Exception('a', 'b')))

def testExceptionCleanupNames(self):
def test_exception_cleanup_names(self):
# Make sure the local variable bound to the exception instance by
# an "except" statement is only visible inside the except block.
try:
raise Exception()
except Exception as e:
self.assertTrue(e)
self.assertIsInstance(e, Exception)
self.assertNotIn('e', locals())
with self.assertRaises(UnboundLocalError):
e

def test_exception_cleanup_names2(self):
# Make sure the cleanup doesn't break if the variable is explicitly deleted.
try:
raise Exception()
except Exception as e:
self.assertIsInstance(e, Exception)
del e
self.assertNotIn('e', locals())
with self.assertRaises(UnboundLocalError):
e

def testExceptionCleanupState(self):
# Make sure exception state is cleaned up as soon as the except
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