def get_queryset(self):
return DelayedUnionQuerySet(
User.objects.exclude(id=self.user.id),
DelayedUnionQuerySet(
User.objects.exclude(id=self.user_b.id),
User.objects.exclude(id=self.user_c.id),
))
def test_select_related(self):
base_qs = Permission.objects.all()
qs = DelayedUnionQuerySet(base_qs, base_qs)
self.assertTrue(qs.exists())
for permission in qs.select_related('content_type'):
with self.assertNumQueries(0):
self.assertIsNotNone(permission.content_type.id)
def test_does_not_support_nested_delayed_querysets_with_incompatible_kwargs(
self):
with self.assertRaises(ValueError):
DelayedUnionQuerySet(
User.objects.all(),
DelayedUnionQuerySet(User.objects.all(),
User.objects.all(),
all=True))
def test_does_not_support_delayed_differences_as_querysets(self):
with self.assertRaises(ValueError):
DelayedUnionQuerySet(
User.objects.all(),
DelayedDifferenceQuerySet(
User.objects.all(),
User.objects.all(),
))
def test_does_not_support_delayed_intersections_as_querysets(self):
with self.assertRaises(ValueError):
DelayedUnionQuerySet(
User.objects.all(),
DelayedIntersectionQuerySet(
User.objects.all(),
User.objects.all(),
))
def get_queryset(self):
return DelayedUnionQuerySet(
User.objects.all(),
User.objects.filter(id=self.bad_id),
)
def get_queryset(self):
return DelayedUnionQuerySet(
User.objects.all(),
User.objects.all(),
)
def test_delayed_union_only_accepts_all_as_kwarg(self):
with self.assertRaises(TypeError):
DelayedUnionQuerySet(User.objects.all(),
User.objects.all(),
foo=42)
def get_queryset(self):
return DelayedUnionQuerySet(User.objects.all(),
User.objects.filter(id=self.user_b.id),
all=True)