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author | Tim Graham <timograham@gmail.com> | 2016-06-21 13:46:22 -0400 |
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committer | Tim Graham <timograham@gmail.com> | 2016-06-21 14:39:17 -0400 |
commit | 20d1cb33c2ec1242e16c49deb88e8c70517b2d1a (patch) | |
tree | 06b35c67c0e5cc5f39c4e9863b6cdb1b227a3f8b /tests/basic | |
parent | 9c2d5a8d333277cc1b482a9d05f174cf4d09f24c (diff) | |
download | django-20d1cb33c2ec1242e16c49deb88e8c70517b2d1a.tar.gz |
Fixed #26787 -- Documented deleting and reloading of model instance fields.
Thanks Julien Hartmann for the report.
Diffstat (limited to 'tests/basic')
-rw-r--r-- | tests/basic/tests.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/basic/tests.py b/tests/basic/tests.py index 56b778c419..16c9dd9dae 100644 --- a/tests/basic/tests.py +++ b/tests/basic/tests.py @@ -421,6 +421,19 @@ class ModelTest(TestCase): # hash) hash(Article()) + def test_delete_and_access_field(self): + # Accessing a field after it's deleted from a model reloads its value. + pub_date = datetime.now() + article = Article.objects.create(headline='foo', pub_date=pub_date) + new_pub_date = article.pub_date + timedelta(days=10) + article.headline = 'bar' + article.pub_date = new_pub_date + del article.headline + with self.assertNumQueries(1): + self.assertEqual(article.headline, 'foo') + # Fields that weren't deleted aren't reloaded. + self.assertEqual(article.pub_date, new_pub_date) + class ModelLookupTest(TestCase): def setUp(self): |