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from .. import util
from . import util as import_util
import sys
import unittest
import importlib
class ParentModuleTests(unittest.TestCase):
"""Importing a submodule should import the parent modules."""
def test_import_parent(self):
with util.mock_modules('pkg.__init__', 'pkg.module') as mock:
with util.import_state(meta_path=[mock]):
module = import_util.import_('pkg.module')
self.assertTrue('pkg' in sys.modules)
def test_bad_parent(self):
with util.mock_modules('pkg.module') as mock:
with util.import_state(meta_path=[mock]):
with self.assertRaises(ImportError):
import_util.import_('pkg.module')
def test_module_not_package(self):
# Try to import a submodule from a non-package should raise ImportError.
assert not hasattr(sys, '__path__')
with self.assertRaises(ImportError):
import_util.import_('sys.no_submodules_here')
def test_main():
from test.support import run_unittest
run_unittest(ParentModuleTests)
if __name__ == '__main__':
test_main()
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