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Refs #31486 -- Removed ability to pass unsaved model instances to related filters.

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Per deprecation timeline.
This commit is contained in:
Mariusz Felisiak 2023-01-12 19:31:49 +01:00
parent 1391356276
commit 4d78d7338c
3 changed files with 12 additions and 38 deletions
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36
tests/queries/tests.py
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@ -13,8 +13,7 @@ from django.db.models.functions import ExtractYear, Length, LTrim
from django.db.models.sql.constants import LOUTER
from django.db.models.sql.where import AND, OR, NothingNode, WhereNode
from django.test import SimpleTestCase, TestCase, skipUnlessDBFeature
from django.test.utils import CaptureQueriesContext, ignore_warnings, register_lookup
from django.utils.deprecation import RemovedInDjango50Warning
from django.test.utils import CaptureQueriesContext, register_lookup
from .models import (
FK1,
@ -1956,16 +1955,13 @@ class Queries5Tests(TestCase):
self.assertEqual(authors.count(), 1)
def test_filter_unsaved_object(self):
# These tests will catch ValueError in Django 5.0 when passing unsaved
# model instances to related filters becomes forbidden.
# msg = "Model instances passed to related filters must be saved."
msg = "Passing unsaved model instances to related filters is deprecated."
msg = "Model instances passed to related filters must be saved."
company = Company.objects.create(name="Django")
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
with self.assertRaisesMessage(ValueError, msg):
Employment.objects.filter(employer=Company(name="unsaved"))
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
with self.assertRaisesMessage(ValueError, msg):
Employment.objects.filter(employer__in=[company, Company(name="unsaved")])
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
with self.assertRaisesMessage(ValueError, msg):
StaffUser.objects.filter(staff=Staff(name="unsaved"))
@ -3327,28 +3323,14 @@ class ExcludeTests(TestCase):
[self.j1, self.j2],
)
@ignore_warnings(category=RemovedInDjango50Warning)
def test_exclude_unsaved_o2o_object(self):
jack = Staff.objects.create(name="jack")
jack_staff = StaffUser.objects.create(staff=jack)
unsaved_object = Staff(name="jane")
self.assertIsNone(unsaved_object.pk)
self.assertSequenceEqual(
StaffUser.objects.exclude(staff=unsaved_object), [jack_staff]
)
def test_exclude_unsaved_object(self):
# These tests will catch ValueError in Django 5.0 when passing unsaved
# model instances to related filters becomes forbidden.
# msg = "Model instances passed to related filters must be saved."
company = Company.objects.create(name="Django")
msg = "Passing unsaved model instances to related filters is deprecated."
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
msg = "Model instances passed to related filters must be saved."
with self.assertRaisesMessage(ValueError, msg):
Employment.objects.exclude(employer=Company(name="unsaved"))
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
with self.assertRaisesMessage(ValueError, msg):
Employment.objects.exclude(employer__in=[company, Company(name="unsaved")])
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
with self.assertRaisesMessage(ValueError, msg):
StaffUser.objects.exclude(staff=Staff(name="unsaved"))