def test_format_exception_only_bad__str__(self):
class X(Exception):
def __str__(self):
1/0
err = traceback.format_exception_only(X, X())
self.assertEqual(len(err), 1)
str_value = '<unprintable %s object>' % X.__name__
self.assertEqual(err[0], X.__name__ + ': ' + str_value + '\n')
def test_without_exception(self):
err = traceback.format_exception_only(None, None)
self.assertEqual(err, ['None\n'])
def get_exception_format(self, func, exc):
try:
func()
except exc, value:
return traceback.format_exception_only(exc, value)
def test_string_exception2(self):
str_type = "String Exception"
str_value = "String Value"
err = traceback.format_exception_only(str_type, str_value)
self.assertEqual(len(err), 1)
self.assertEqual(err[0], str_type + ': ' + str_value + '\n')
def test_string_exception1(self):
str_type = "String Exception"
err = traceback.format_exception_only(str_type, None)
self.assertEqual(len(err), 1)
self.assertEqual(err[0], str_type + '\n')
def test_base_exception(self):
# Test that exceptions derived from BaseException are formatted right
e = KeyboardInterrupt()
lst = traceback.format_exception_only(e.__class__, e)
self.assertEqual(lst, ['KeyboardInterrupt\n'])
