| 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() |