Re: How to mock a model backend

Hi Sven,

You can mock the call to the external service like this.

  @mock.patch.object(MyModelBackend, 'authenticate')  # First the class of your model backend. Then the method you want to mock.

  def test_something_that_uses_login(self, mock_authenticate):  # The mock object is passed to your test method

      mock_authenticate.return_value = # whatever your authenticate method to returns

      # the rest of your code

More about mock library

http://www.voidspace.org.uk/python/mock/

Best 

On Thu, Mar 26, 2015 at 11:18 AM Sven Mäurer <maeurer.sven@gmail.com> wrote:

In my model backend I usually call an external service which returns me an user that is saved and returned. When I don't have credentials I want to mock the backend for some test cases. In the setup of each test case I am calling the login method where CRED contains the real credentials or mock credentials. This can be determined by are_credentials_given.

def are_credentials_given():
    return not os.path.isfile(os.path.join(BASE_DIR, 'settings/credentials'))

def login(self):
    u = User.objects.create(id=CRED['ID'], is_staff=True)
    u.save()
    token, c = Token.objects.get_or_create(user=u)
    if c:
        token.save()
    self.client = APIClient()
    self.client.credentials(HTTP_AUTHORIZATION='Token ' + token.key)
    self.client.login(username=CRED['USERNAME'], password=CRED['PASSWORD'])

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