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Adds a test for select_related invalidation.

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This commit is contained in:
Bertrand Bordage 2014-09-28 19:47:54 +02:00
parent bddc3425ff
commit c45b5a2ec7
1 changed files with 31 additions and 2 deletions
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33
cachalot/tests.py
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@ -694,9 +694,38 @@ class WriteTestCase(TestCase):
self.assertListEqual(data1, [])
self.assertListEqual(data2, [t])
@skip(NotImplementedError)
def test_invalidate_select_related(self):
pass
with self.assertNumQueries(1):
data1 = list(Test.objects.select_related('owner'))
self.assertListEqual(data1, [])
with self.assertNumQueries(2):
u1 = User.objects.create_user('test1')
u2 = User.objects.create_user('test2')
with self.assertNumQueries(1):
data2 = list(Test.objects.select_related('owner'))
self.assertListEqual(data2, [])
with self.assertNumQueries(1):
Test.objects.bulk_create([
Test(name='test1', owner=u1),
Test(name='test2', owner=u2),
Test(name='test3', owner=u2),
Test(name='test4', owner=u1),
])
with self.assertNumQueries(1):
data3 = list(Test.objects.select_related('owner'))
self.assertEqual(data3[0].owner, u1)
self.assertEqual(data3[1].owner, u2)
self.assertEqual(data3[2].owner, u2)
self.assertEqual(data3[3].owner, u1)
with self.assertNumQueries(1):
Test.objects.filter(name__in=['test1', 'test2']).delete()
with self.assertNumQueries(1):
data4 = list(Test.objects.select_related('owner'))
self.assertEqual(data4[0].owner, u2)
self.assertEqual(data4[1].owner, u1)
@skip(NotImplementedError)
def test_invalidate_prefetch_related(self):