test_path.py 文件源码

def test_path_hooks(self):
        # Test that sys.path_hooks is used.
        # Test that sys.path_importer_cache is set.
        module = '<test module>'
        path = '<test path>'
        importer = util.mock_modules(module)
        hook = import_util.mock_path_hook(path, importer=importer)
        with util.import_state(path_hooks=[hook]):
            loader = machinery.PathFinder.find_module(module, [path])
            self.assertTrue(loader is importer)
            self.assertTrue(path in sys.path_importer_cache)
            self.assertTrue(sys.path_importer_cache[path] is importer)