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Merge from 3.5

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This commit is contained in:
Brett Cannon 2016-06-25 10:50:24 -07:00
commit da037616b1
2 changed files with 14 additions and 4 deletions
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16
Lib/test/test_importlib/test_lazy.py
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@ -1,6 +1,8 @@
import importlib
from importlib import abc
from importlib import util
import sys
import types
import unittest
from . import util as test_util
@ -122,10 +124,18 @@ class LazyLoaderTests(unittest.TestCase):
self.assertFalse(hasattr(module, '__name__'))
def test_module_substitution_error(self):
source_code = 'import sys; sys.modules[__name__] = 42'
module = self.new_module(source_code)
with test_util.uncache(TestingImporter.module_name):
with self.assertRaises(ValueError):
fresh_module = types.ModuleType(TestingImporter.module_name)
sys.modules[TestingImporter.module_name] = fresh_module
module = self.new_module()
with self.assertRaisesRegex(ValueError, "substituted"):
module.__name__
def test_module_already_in_sys(self):
with test_util.uncache(TestingImporter.module_name):
module = self.new_module()
sys.modules[TestingImporter.module_name] = module
# Force the load; just care that no exception is raised.
module.__name__