mirror of https://github.com/python/cpython
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
import unittest
|
|
from unittest import mock
|
|
|
|
from test.support import captured_stderr
|
|
import idlelib.run as idlerun
|
|
|
|
|
|
class RunTest(unittest.TestCase):
|
|
def test_print_exception_unhashable(self):
|
|
class UnhashableException(Exception):
|
|
def __eq__(self, other):
|
|
return True
|
|
|
|
ex1 = UnhashableException('ex1')
|
|
ex2 = UnhashableException('ex2')
|
|
try:
|
|
raise ex2 from ex1
|
|
except UnhashableException:
|
|
try:
|
|
raise ex1
|
|
except UnhashableException:
|
|
with captured_stderr() as output:
|
|
with mock.patch.object(idlerun,
|
|
'cleanup_traceback') as ct:
|
|
ct.side_effect = lambda t, e: t
|
|
idlerun.print_exception()
|
|
|
|
tb = output.getvalue().strip().splitlines()
|
|
self.assertEqual(11, len(tb))
|
|
self.assertIn('UnhashableException: ex2', tb[3])
|
|
self.assertIn('UnhashableException: ex1', tb[10])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(verbosity=2)
|