test_smtplib.py 文件源码

def test_421_from_rcpt_cmd(self):
        smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)
        smtp.noop()
        self.serv._SMTPchannel.rcpt_response = ['250 accepted', '421 closing']
        with self.assertRaises(smtplib.SMTPRecipientsRefused) as r:
            smtp.sendmail('John', ['Sally', 'Frank', 'George'], 'test message')
        self.assertIsNone(smtp.sock)
        self.assertEqual(self.serv._SMTPchannel.rset_count, 0)
        self.assertDictEqual(r.exception.args[0], {'Frank': (421, b'closing')})