Used assertRaisesMessage in a couple defer tests.

This commit is contained in:
Tim Graham 2016-04-10 14:39:31 -04:00
parent b1b05a017a
commit 353d436e7c
1 changed files with 10 additions and 4 deletions

View File

@ -112,13 +112,19 @@ class DeferTests(AssertionMixin, TestCase):
self.assertEqual(obj.name, "p1")
def test_defer_select_related_raises_invalid_query(self):
# When we defer a field and also select_related it, the query is
# invalid and raises an exception.
with self.assertRaises(InvalidQuery):
msg = (
'Field Primary.related cannot be both deferred and traversed '
'using select_related at the same time.'
)
with self.assertRaisesMessage(InvalidQuery, msg):
Primary.objects.defer("related").select_related("related")[0]
def test_only_select_related_raises_invalid_query(self):
with self.assertRaises(InvalidQuery):
msg = (
'Field Primary.related cannot be both deferred and traversed using '
'select_related at the same time.'
)
with self.assertRaisesMessage(InvalidQuery, msg):
Primary.objects.only("name").select_related("related")[0]
def test_defer_foreign_keys_are_deferred_and_not_traversed(self):