def test_missing_table_cache_key(self):
qs = Test.objects.all()
self.assert_tables(qs, Test)
self.assert_query_cached(qs)
table_cache_key = cachalot_settings.CACHALOT_TABLE_KEYGEN(
connection.alias, Test._meta.db_table)
cachalot_caches.get_cache().delete(table_cache_key)
self.assert_query_cached(qs)
def test_broken_query_cache_value(self):
"""
In some undetermined cases, cache.get_many return wrong values such
as `None` or other invalid values. They should be gracefully handled.
See https://github.com/noripyt/django-cachalot/issues/110
This test artificially creates a wrong value, but it’s usually
a cache backend bug that leads to these wrong values.
"""
qs = Test.objects.all()
self.assert_tables(qs, Test)
self.assert_query_cached(qs)
query_cache_key = cachalot_settings.CACHALOT_QUERY_KEYGEN(
qs.query.get_compiler(DEFAULT_DB_ALIAS))
cachalot_caches.get_cache().set(query_cache_key, (),
cachalot_settings.CACHALOT_TIMEOUT)
self.assert_query_cached(qs)