def test_transaction_now(self): """ The test case puts everything under a transaction, so two models updated with a short gap should have the same time. """ m1 = NowTestModel.objects.create() m2 = NowTestModel.objects.create() NowTestModel.objects.filter(id=m1.id).update(when=TransactionNow()) sleep(0.1) NowTestModel.objects.filter(id=m2.id).update(when=TransactionNow()) m1.refresh_from_db() m2.refresh_from_db() self.assertIsInstance(m1.when, datetime) self.assertEqual(m1.when, m2.when)
def test_transaction_now(self): """ Checks that queries with a TransactionNow() parameter are not cached. """ obj = Test.objects.create(datetime='1992-07-02T12:00:00') qs = Test.objects.filter(datetime__lte=TransactionNow()) with self.assertRaises(UncachableQuery): self.assert_tables(qs, Test) self.assert_query_cached(qs, [obj], after=1)
def test_transaction_now(self): """ Checks that queries with a TransactionNow() parameter are not cached. """ obj = Test.objects.create(datetime='1992-07-02T12:00:00') qs = Test.objects.filter(datetime__lte=TransactionNow()) with self.assertNumQueries(1): obj1 = qs.get() with self.assertNumQueries(1): obj2 = qs.get() self.assertEqual(obj1, obj2) self.assertEqual(obj1, obj)