"""
Tests for ddns_client module.
"""

import pytest

from requests import Timeout, ConnectionError

from ..ddns_client import dyndns2_update

# see also conftest.py
BASEDOMAIN = 'nsupdate.info'
HOSTNAME = 'nsupdate-ddns-client-unittest.' + BASEDOMAIN
INVALID_HOSTNAME = 'nsupdate-ddns-client-nohost.' + BASEDOMAIN
USER, PASSWORD = HOSTNAME, 'yUTvxjRwNu'  # no problem, is only used for this unit test
SERVER = 'ipv4.' + BASEDOMAIN
SECURE = False  # SSL/SNI support on python 2.x sucks :(


class TestDynDns2Client(object):
    def test_timeout(self):
        with pytest.raises(Timeout):
            # this assumes that the service can't respond in 1us and thus times out
            dyndns2_update('wrong', 'wrong', SERVER,
                           hostname='wrong', myip='1.2.3.4', secure=SECURE,
                           timeout=0.000001)

    def test_connrefused(self):
        with pytest.raises(ConnectionError):
            # this assumes that there is no service running on 127.0.0.42
            dyndns2_update('wrong', 'wrong', '127.0.0.42',
                           hostname='wrong', myip='1.2.3.4', secure=SECURE,
                           timeout=2.0)

    def test_notfqdn(self):
        status, text = dyndns2_update('wrongdomainnotfqdn', 'wrongpassword', SERVER,
                                      hostname=HOSTNAME, myip='1.2.3.4', secure=SECURE)
        assert status == 200
        assert text == 'notfqdn'

    def test_badauth(self):
        status, text = dyndns2_update(USER, 'wrongpassword', SERVER,
                                      hostname=HOSTNAME, myip='1.2.3.4', secure=SECURE)
        assert status == 401

    def test_nohost(self):
        status, text = dyndns2_update(USER, PASSWORD, SERVER,
                                      hostname=INVALID_HOSTNAME, myip='1.2.3.4', secure=SECURE)
        assert status == 200
        assert text == 'nohost'

    def test_success(self):
        ip = '1.2.3.4'
        status, text = dyndns2_update(USER, PASSWORD, SERVER,
                                      hostname=HOSTNAME, myip=ip, secure=SECURE)
        assert status == 200
        assert text in ["good %s" % ip, "nochg %s" % ip]