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try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
from puresasl import SASLError
from puresasl.client import SASLClient
from puresasl.mechanisms import AnonymousMechanism, PlainMechanism, mechanisms, DigestMD5Mechanism
class SASLClientTest(unittest.TestCase):
def test_init(self):
# defaults
SASLClient('localhost')
# with mechanism
sasl_client = SASLClient('localhost', mechanism=AnonymousMechanism.name)
self.assertIsInstance(sasl_client._chosen_mech, AnonymousMechanism)
self.assertIs(sasl_client._chosen_mech.sasl, sasl_client)
# invalid mech
self.assertRaises(SASLError, SASLClient, 'localhost', mechanism='WRONG')
def test_chosen_mechanism(self):
client = SASLClient('localhost', mechanism=PlainMechanism.name, username='user', password='pass')
self.assertTrue(client.process())
self.assertTrue(client.complete)
msg = 'msg'
self.assertEqual(client.wrap(msg), msg)
self.assertEqual(client.unwrap(msg), msg)
client.dispose()
def test_unchosen_mechanism(self):
client = SASLClient('localhost')
self.assertRaises(SASLError, client.process)
self.assertRaises(SASLError, client.wrap, 'msg')
self.assertRaises(SASLError, client.unwrap, 'msg')
with self.assertRaises(SASLError):
client.complete
self.assertRaises(SASLError, client.dispose)
def test_choose_mechanism(self):
client = SASLClient('localhost', service='something')
choices = ['invalid']
self.assertRaises(SASLError, client.choose_mechanism, choices)
choices = [m for m in mechanisms.values() if m is not DigestMD5Mechanism]
mech_names = set(m.name for m in choices)
client.choose_mechanism(mech_names)
self.assertIsInstance(client._chosen_mech, max(choices, key=lambda m: m.score))
anon_names = set(m.name for m in choices if m.allows_anonymous)
client.choose_mechanism(anon_names)
self.assertIn(client.mechanism, anon_names)
self.assertRaises(SASLError, client.choose_mechanism, anon_names, allow_anonymous=False)
plain_names = set(m.name for m in choices if m.uses_plaintext)
client.choose_mechanism(plain_names)
self.assertIn(client.mechanism, plain_names)
self.assertRaises(SASLError, client.choose_mechanism, plain_names, allow_plaintext=False)
not_active_names = set(m.name for m in choices if not m.active_safe)
client.choose_mechanism(not_active_names)
self.assertIn(client.mechanism, not_active_names)
self.assertRaises(SASLError, client.choose_mechanism, not_active_names, allow_active=False)
not_dict_names = set(m.name for m in choices if not m.dictionary_safe)
client.choose_mechanism(not_dict_names)
self.assertIn(client.mechanism, not_dict_names)
self.assertRaises(SASLError, client.choose_mechanism, not_dict_names, allow_dictionary=False)
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