mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-108082: Add PyErr_FormatUnraisable() function (GH-111086)

Browse source
This commit is contained in:
Serhiy Storchaka 2023-10-31 23:42:44 +02:00 • committed by GitHub
parent 453e96e302
commit f6a02327b5
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 142 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

57
Lib/test/test_capi/test_exceptions.py
View file

@ -315,6 +315,63 @@ class Test_ErrSetAndRestore(unittest.TestCase):
# CRASHES writeunraisable(NULL, hex)
# CRASHES writeunraisable(NULL, NULL)
def test_err_formatunraisable(self):
# Test PyErr_FormatUnraisable()
formatunraisable = _testcapi.err_formatunraisable
firstline = self.test_err_formatunraisable.__code__.co_firstlineno
with support.catch_unraisable_exception() as cm:
formatunraisable(CustomError('oops!'), b'Error in %R', [])
self.assertEqual(cm.unraisable.exc_type, CustomError)
self.assertEqual(str(cm.unraisable.exc_value), 'oops!')
self.assertEqual(cm.unraisable.exc_traceback.tb_lineno,
firstline + 6)
self.assertEqual(cm.unraisable.err_msg, 'Error in []')
self.assertIsNone(cm.unraisable.object)
with support.catch_unraisable_exception() as cm:
formatunraisable(CustomError('oops!'), b'undecodable \xff')
self.assertEqual(cm.unraisable.exc_type, CustomError)
self.assertEqual(str(cm.unraisable.exc_value), 'oops!')
self.assertEqual(cm.unraisable.exc_traceback.tb_lineno,
firstline + 15)
self.assertIsNone(cm.unraisable.err_msg)
self.assertIsNone(cm.unraisable.object)
with support.catch_unraisable_exception() as cm:
formatunraisable(CustomError('oops!'), NULL)
self.assertEqual(cm.unraisable.exc_type, CustomError)
self.assertEqual(str(cm.unraisable.exc_value), 'oops!')
self.assertEqual(cm.unraisable.exc_traceback.tb_lineno,
firstline + 24)
self.assertIsNone(cm.unraisable.err_msg)
self.assertIsNone(cm.unraisable.object)
with (support.swap_attr(sys, 'unraisablehook', None),
support.captured_stderr() as stderr):
formatunraisable(CustomError('oops!'), b'Error in %R', [])
lines = stderr.getvalue().splitlines()
self.assertEqual(lines[0], f'Error in []:')
self.assertEqual(lines[1], 'Traceback (most recent call last):')
self.assertEqual(lines[-1], f'{__name__}.CustomError: oops!')
with (support.swap_attr(sys, 'unraisablehook', None),
support.captured_stderr() as stderr):
formatunraisable(CustomError('oops!'), b'undecodable \xff')
lines = stderr.getvalue().splitlines()
self.assertEqual(lines[0], 'Traceback (most recent call last):')
self.assertEqual(lines[-1], f'{__name__}.CustomError: oops!')
with (support.swap_attr(sys, 'unraisablehook', None),
support.captured_stderr() as stderr):
formatunraisable(CustomError('oops!'), NULL)
lines = stderr.getvalue().splitlines()
self.assertEqual(lines[0], 'Traceback (most recent call last):')
self.assertEqual(lines[-1], f'{__name__}.CustomError: oops!')
# CRASHES formatunraisable(NULL, b'Error in %R', [])
# CRASHES formatunraisable(NULL, NULL)
class Test_PyUnstable_Exc_PrepReraiseStar(ExceptionIsLikeMixin, unittest.TestCase):