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Code Issues 32 Releases Wiki Activity

Refs #16508 -- Added invalidation of stale cached instances of GenericForeignKey targets.

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This commit is contained in:
Michal Petrucha
2016-05-01 18:32:40 +02:00
committed by Tim Graham
parent 7ec330eeb9
commit b9f8635f58
2 changed files with 41 additions and 15 deletions
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17
tests/generic_relations/tests.py
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@@ -555,6 +555,23 @@ id="id_generic_relations-taggeditem-content_type-object_id-1-id" /></p>""" % tag
with self.assertRaises(IntegrityError):
TaggedItem.objects.create(tag="shiny", content_object=quartz)
def test_cache_invalidation_for_content_type_id(self):
# Create a Vegetable and Mineral with the same id.
new_id = max(Vegetable.objects.order_by('-id')[0].id,
Mineral.objects.order_by('-id')[0].id) + 1
broccoli = Vegetable.objects.create(id=new_id, name="Broccoli")
diamond = Mineral.objects.create(id=new_id, name="Diamond", hardness=7)
tag = TaggedItem.objects.create(content_object=broccoli, tag="yummy")
tag.content_type = ContentType.objects.get_for_model(diamond)
self.assertEqual(tag.content_object, diamond)
def test_cache_invalidation_for_object_id(self):
broccoli = Vegetable.objects.create(name="Broccoli")
cauliflower = Vegetable.objects.create(name="Cauliflower")
tag = TaggedItem.objects.create(content_object=broccoli, tag="yummy")
tag.object_id = cauliflower.id
self.assertEqual(tag.content_object, cauliflower)
class CustomWidget(forms.TextInput):
pass