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bpo-34136: Make test_do_not_recreate_annotations more reliable. (GH-8364)

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Serhiy Storchaka 2018-07-21 07:44:04 +03:00 committed by GitHub
parent f2626ce6d4
commit 06ca3f0c09
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1 changed files with 9 additions and 5 deletions
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14
Lib/test/test_opcodes.py
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@ -1,7 +1,7 @@
# Python test set -- part 2, opcodes
import unittest
from test import ann_module
from test import ann_module, support
class OpcodeTest(unittest.TestCase):
@ -42,10 +42,14 @@ class OpcodeTest(unittest.TestCase):
self.assertEqual(ns['__annotations__'], {'x': int, 1: 2})
def test_do_not_recreate_annotations(self):
class C:
del __annotations__
with self.assertRaises(NameError):
x: int
annotations = {}
# Don't rely on the existence of the '__annotations__' global.
with support.swap_item(globals(), '__annotations__', annotations):
class C:
del __annotations__
x: int # Updates the '__annotations__' global.
self.assertIn('x', annotations)
self.assertIs(annotations['x'], int)
def test_raise_class_exceptions(self):