def test_get_bylogin(self):
from ptah.crowd.provider import CrowdProvider, CrowdUser, Session
provider = CrowdProvider()
self.assertIsNone(provider.get_principal_bylogin('test'))
user = CrowdUser('test', 'test', '*****@*****.**',
ptah.passwordTool.encode('12345'))
Session.add(user)
transaction.commit()
user = provider.get_principal_bylogin('test')
self.assertIsInstance(user, CrowdUser)
self.assertEqual(user.login, 'test')
