def test_on_delete_do_nothing(self):
"""
Check that the nested collector doesn't query for DO_NOTHING objects.
"""
objs = [Event.objects.create()]
n = NestedObjects(using=None)
EventGuide.objects.create(event=objs[0])
with self.assertNumQueries(2):
# One for Location, one for Guest, and no query for EventGuide
n.collect(objs)
def setUp(self):
self.n = NestedObjects(using=DEFAULT_DB_ALIAS)
self.objs = [Count.objects.create(num=i) for i in range(5)]