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-rw-r--r--tests/get_or_create/tests.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/get_or_create/tests.py b/tests/get_or_create/tests.py
index 0f790e67b2..84f8261a92 100644
--- a/tests/get_or_create/tests.py
+++ b/tests/get_or_create/tests.py
@@ -146,6 +146,25 @@ class GetOrCreateTests(TestCase):
self.assertFalse(created)
self.assertEqual(obj, obj2)
+ def test_callable_defaults(self):
+ """
+ Callables in `defaults` are evaluated if the instance is created.
+ """
+ obj, created = Person.objects.get_or_create(
+ first_name="George",
+ defaults={"last_name": "Harrison", "birthday": lambda: date(1943, 2, 25)},
+ )
+ self.assertTrue(created)
+ self.assertEqual(date(1943, 2, 25), obj.birthday)
+
+ def test_callable_defaults_not_called(self):
+ def raise_exception():
+ raise AssertionError
+ obj, created = Person.objects.get_or_create(
+ first_name="John", last_name="Lennon",
+ defaults={"birthday": lambda: raise_exception()},
+ )
+
class GetOrCreateTestsWithManualPKs(TestCase):
@@ -387,3 +406,10 @@ class UpdateOrCreateTests(TestCase):
)
self.assertFalse(created)
self.assertEqual(obj.defaults, 'another testing')
+
+ def test_update_callable_default(self):
+ obj, created = Person.objects.update_or_create(
+ first_name='George', last_name='Harrison',
+ defaults={'birthday': lambda: date(1943, 2, 25)},
+ )
+ self.assertEqual(obj.birthday, date(1943, 2, 25))