from django.contrib import admin

from django.test import SimpleTestCase

class AdminAutoDiscoverTests(SimpleTestCase):

    """

    Test for bug #8245 - don't raise an AlreadyRegistered exception when using

    autodiscover() and an admin.py module contains an error.

    """

    def test_double_call_autodiscover(self):

        # The first time autodiscover is called, we should get our real error.

        with self.assertRaisesMessage(Exception, "Bad admin module"):

            admin.autodiscover()

        # Calling autodiscover again should raise the very same error it did

        # the first time, not an AlreadyRegistered error.

        with self.assertRaisesMessage(Exception, "Bad admin module"):

            admin.autodiscover()