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bpo-29546: Set 'path' on ImportError for `from ... import ...` (GH-91)

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Matthias Bussonnier 2017-02-14 16:05:25 -08:00 • committed by Brett Cannon
parent 5ec08cea95
commit bc4bed4405
3 changed files with 31 additions and 2 deletions
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19
Lib/test/test_import/__init__.py
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@ -80,6 +80,25 @@ class ImportTests(unittest.TestCase):
with self.assertRaises(ImportError):
from importlib import something_that_should_not_exist_anywhere
def test_from_import_missing_attr_has_name_and_path(self):
with self.assertRaises(ImportError) as cm:
from os import i_dont_exist
self.assertEqual(cm.exception.name, 'os')
self.assertEqual(cm.exception.path, os.__file__)
def test_from_import_missing_attr_has_name(self):
with self.assertRaises(ImportError) as cm:
# _warning has no path as it's a built-in module.
from _warning import i_dont_exist
self.assertEqual(cm.exception.name, '_warning')
self.assertIsNone(cm.exception.path)
def test_from_import_missing_attr_path_is_canonical(self):
with self.assertRaises(ImportError) as cm:
from os.path import i_dont_exist
self.assertIn(cm.exception.name, {'posixpath', 'ntpath'})
self.assertIsNotNone(cm.exception)
def test_case_sensitivity(self):
# Brief digression to test that import is case-sensitive: if we got
# this far, we know for sure that "random" exists.