test_path.py 文件源码

def test_sys_path(self):
        # Test that sys.path is used when 'path' is None.
        # Implicitly tests that sys.path_importer_cache is used.
        module = '<test module>'
        path = '<test path>'
        importer = util.mock_modules(module)
        with util.import_state(path_importer_cache={path: importer},
                               path=[path]):
            loader = machinery.PathFinder.find_module(module)
            self.assertTrue(loader is importer)