Method assert_delayed

tests/defer/tests.py:20–27

Instances with deferred fields look the same as normal instances when we examine attribute values. Therefore, this method returns the number of deferred fields on returned instances.

(self, obj, num)

class AssertionMixin:
    def assert_delayed(self, obj, num):
        """
        Instances with deferred fields look the same as normal instances when
        we examine attribute values. Therefore, this method returns the number
        of deferred fields on returned instances.
        """
        count = len(obj.get_deferred_fields())
        self.assertEqual(count, num)


class DeferTests(AssertionMixin, TestCase):