How to use a test tornado server handler that authenticates a user via a secure cookie

Question

How can I write a unit test for a tornado handler that authenticates a user via a secure cookie? Here is the code (and sudo code) for a dummy test that I\'d like to make pass. I

Answer 1

Using mock:

import mock

...

class UserAPITest(AsyncHTTPTestCase):
    def get_app(self):
        self.app = Application([('/', MainHandler)],
                    cookie_secret='asdfasdf')
        return self.app

    def test_user_profile_annoymous(self):
        with mock.patch.object(MainHandler, 'get_secure_cookie') as m:
            m.return_value = 'user_email'
            response = self.fetch('/', method='GET')
        self.assertEqual('sucess', to_unicode(response.body) )