mirror of https://github.com/django/django.git
51 lines
2.2 KiB
Python
51 lines
2.2 KiB
Python
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from __future__ import absolute_import
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from django.test import TestCase
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from .models import RelatedModel, RestrictedModel, OneToOneRestrictedModel
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class CustomManagersRegressTestCase(TestCase):
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def test_filtered_default_manager(self):
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"""Even though the default manager filters out some records,
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we must still be able to save (particularly, save by updating
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existing records) those filtered instances. This is a
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regression test for #8990, #9527"""
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related = RelatedModel.objects.create(name="xyzzy")
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obj = RestrictedModel.objects.create(name="hidden", related=related)
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obj.name = "still hidden"
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obj.save()
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# If the hidden object wasn't seen during the save process,
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# there would now be two objects in the database.
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self.assertEqual(RestrictedModel.plain_manager.count(), 1)
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def test_delete_related_on_filtered_manager(self):
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"""Deleting related objects should also not be distracted by a
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restricted manager on the related object. This is a regression
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test for #2698."""
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related = RelatedModel.objects.create(name="xyzzy")
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for name, public in (('one', True), ('two', False), ('three', False)):
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RestrictedModel.objects.create(name=name, is_public=public, related=related)
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obj = RelatedModel.objects.get(name="xyzzy")
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obj.delete()
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# All of the RestrictedModel instances should have been
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# deleted, since they *all* pointed to the RelatedModel. If
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# the default manager is used, only the public one will be
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# deleted.
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self.assertEqual(len(RestrictedModel.plain_manager.all()), 0)
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def test_delete_one_to_one_manager(self):
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# The same test case as the last one, but for one-to-one
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# models, which are implemented slightly different internally,
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# so it's a different code path.
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obj = RelatedModel.objects.create(name="xyzzy")
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OneToOneRestrictedModel.objects.create(name="foo", is_public=False, related=obj)
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obj = RelatedModel.objects.get(name="xyzzy")
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obj.delete()
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self.assertEqual(len(OneToOneRestrictedModel.plain_manager.all()), 0)
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