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(run, 'cleanup_traceback') as ct:
ct.side_effect = lambda t, e: t
run.print_exception()
tb = output.getvalue().strip().splitlines()
if has_no_debug_ranges():
self.assertEqual(11, len(tb))
self.assertIn('UnhashableException: ex2', tb[3])
self.assertIn('UnhashableException: ex1', tb[10])
else:
self.assertEqual(13, len(tb))
self.assertIn('UnhashableException: ex2', tb[4])
self.assertIn('UnhashableException: ex1', tb[12])
def doTraceback(self, module):
try:
module.do_raise()
except:
tb = sys.exc_info()[2].tb_next
f, lno, n, line = extract_tb(tb, 1)[0]
self.assertEqual(line, raise_src.strip())
f, lno, n, line = extract_stack(tb.tb_frame, 1)[0]
self.assertEqual(line, raise_src.strip())
s = io.StringIO()
print_tb(tb, 1, s)
self.assertTrue(
s.getvalue().endswith(' def do_raise(): raise TypeError\n'
'' if support.has_no_debug_ranges() else
' ^^^^^^^^^^^^^^^\n'))
else:
raise AssertionError("This ought to be impossible")