Mocking example

gistfile1.py

import unittest
import mock


from wilson.views.bluemix import BluemixSingleUser


class TestBluemixUser(unittest.TestCase):

  def test_get_user(self):
      with mock.patch('wilson.views.bluemix.build_dao') as mock_build_dao:
          with mock.patch('wilson.views.bluemix.jsonify') as mock_jsonify:

              mock_dao = mock.Mock()

              mock_dao.exists = mock.Mock()
              mock_dao.exists.return_value = True

              mock_dao.read = mock.Mock()

              mock_build_dao.return_value = mock_dao


              mock_dao.to_json = mock.Mock()
              mock_dao.to_json.return_value = {'username': 'batman'}

              mock_jsonify.return_value = "ResponseGoesHere"

              bmsu = BluemixSingleUser()
              result = bmsu.get(username='ringo')

              self.failUnless(mock_build_dao.called)
              self.failUnless(mock_dao.exists.called)
              self.failUnless(mock_dao.read.called)
              self.failUnless(mock_dao.to_json.called)

              self.assertEqual(result, "ResponseGoesHere")


if __name__ == '__main__':
  unittest.main()