end_test.py 文件源码

def test_hooked_import(self):
        # It should work even if __import__ is hooked by someone else.
        saved_import = builtins.__import__
        @functools.wraps(saved_import)
        def my_import(*args, **kwargs):
            return saved_import(*args, **kwargs)
        end
        builtins.__import__ = my_import
        try:
            with self.assertRaises(SyntaxError) as cm:
                import cases.hooked_import
            end
            self.assertTrue('hooked_import.py' in str(cm.exception))
        finally:
            builtins.__import__ = saved_import
        end