from importlib import _bootstrap from . import util as ext_util from .. import abc from .. import util import sys import unittest class LoaderTests(abc.LoaderTests): """Test load_module() for extension modules.""" def load_module(self, fullname): loader = _bootstrap._ExtensionFileLoader(ext_util.NAME, ext_util.FILEPATH) return loader.load_module(fullname) def test_module(self): with util.uncache(ext_util.NAME): module = self.load_module(ext_util.NAME) for attr, value in [('__name__', ext_util.NAME), ('__file__', ext_util.FILEPATH), ('__package__', '')]: self.assertEqual(getattr(module, attr), value) self.assertTrue(ext_util.NAME in sys.modules) self.assertTrue(isinstance(module.__loader__, _bootstrap._ExtensionFileLoader)) def test_package(self): # Extensions are not found in packages. pass def test_lacking_parent(self): # Extensions are not found in packages. pass def test_module_reuse(self): with util.uncache(ext_util.NAME): module1 = self.load_module(ext_util.NAME) module2 = self.load_module(ext_util.NAME) self.assertTrue(module1 is module2) def test_state_after_failure(self): # No easy way to trigger a failure after a successful import. pass def test_unloadable(self): with self.assertRaises(ImportError): self.load_module('asdfjkl;') def test_main(): from test.support import run_unittest run_unittest(LoaderTests) if __name__ == '__main__': test_main()