diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/model_regress/tests.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/model_regress/tests.py b/tests/model_regress/tests.py index 28eed87008..87df240d81 100644 --- a/tests/model_regress/tests.py +++ b/tests/model_regress/tests.py @@ -1,3 +1,4 @@ +import copy import datetime from operator import attrgetter @@ -256,3 +257,17 @@ class EvaluateMethodTest(TestCase): dept = Department.objects.create(pk=1, name='abc') dept.evaluate = 'abc' Worker.objects.filter(department=dept) + + +class ModelFieldsCacheTest(TestCase): + def test_fields_cache_reset_on_copy(self): + department1 = Department.objects.create(id=1, name='department1') + department2 = Department.objects.create(id=2, name='department2') + worker1 = Worker.objects.create(name='worker', department=department1) + worker2 = copy.copy(worker1) + + self.assertEqual(worker2.department, department1) + # Changing related fields doesn't mutate the base object. + worker2.department = department2 + self.assertEqual(worker2.department, department2) + self.assertEqual(worker1.department, department1) |