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Fixed #32747 -- Prevented initialization of unused caches.

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Thanks Alexander Ebral for the report.

Regression in 98e05ccde4.
This commit is contained in:
Mariusz Felisiak 2021-05-14 11:53:17 +02:00
parent a24fed399c
commit 958cdf65ae
3 changed files with 41 additions and 1 deletions
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30
tests/cache/tests.py vendored
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@ -1723,6 +1723,19 @@ class CacheClosingTests(SimpleTestCase):
signals.request_finished.send(self.__class__)
self.assertTrue(cache.closed)
def test_close_only_initialized(self):
with self.settings(CACHES={
'cache_1': {
'BACKEND': 'cache.closeable_cache.CacheClass',
},
'cache_2': {
'BACKEND': 'cache.closeable_cache.CacheClass',
},
}):
self.assertEqual(caches.all(initialized_only=True), [])
signals.request_finished.send(self.__class__)
self.assertEqual(caches.all(initialized_only=True), [])
DEFAULT_MEMORY_CACHES_SETTINGS = {
'default': {
@ -2625,3 +2638,20 @@ class CacheHandlerTest(SimpleTestCase):
)
with self.assertRaisesMessage(InvalidCacheBackendError, msg):
test_caches['invalid_backend']
def test_all(self):
test_caches = CacheHandler({
'cache_1': {
'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
},
'cache_2': {
'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
},
})
self.assertEqual(test_caches.all(initialized_only=True), [])
cache_1 = test_caches['cache_1']
self.assertEqual(test_caches.all(initialized_only=True), [cache_1])
self.assertEqual(len(test_caches.all()), 2)
# .all() initializes all caches.
self.assertEqual(len(test_caches.all(initialized_only=True)), 2)
self.assertEqual(test_caches.all(), test_caches.all(initialized_only=True))