test_email.py 文件源码

def test_make_boundary(self):
        msg = MIMEMultipart('form-data')
        # Note that when the boundary gets created is an implementation
        # detail and might change.
        self.assertEqual(msg.items()[0][1], 'multipart/form-data')
        # Trigger creation of boundary
        msg.as_string()
        self.assertEqual(msg.items()[0][1][:33],
                        'multipart/form-data; boundary="==')
        # XXX: there ought to be tests of the uniqueness of the boundary, too.