test_functional.py 文件源码

def test_epsv(self):
        # test wrong proto
        try:
            self.client.sendcmd('epsv ' + self.other_proto)
        except ftplib.error_perm as err:
            self.assertEqual(str(err)[0:3], "522")
        else:
            self.fail("Exception not raised")

        # proto > 2
        self.assertRaises(ftplib.error_perm, self.client.sendcmd, 'epsv 3')

        # test connection
        for cmd in ('EPSV', 'EPSV ' + self.proto):
            host, port = ftplib.parse229(self.client.sendcmd(cmd),
                                         self.client.sock.getpeername())
            with contextlib.closing(
                    socket.socket(self.client.af, socket.SOCK_STREAM)) as s:
                s.settimeout(TIMEOUT)
                s.connect((host, port))
                self.client.sendcmd('abor')