def test_can_reopen(self):
for storage_class in self.DISK_STORAGES:
with self.subTest(scenario=storage_class.__name__):
path = mktemp(dir=UNITTEST_TMP_DIR)
cache = LRUCache(storage=storage_class(path=path))
cache['abc'] = {'my_data': 'a'}
cache.close()
cache = LRUCache(storage=storage_class(path=path))
self.assertEqual(cache['abc'], {'my_data': 'a'})
cache.close()
def test_reopen_preserves_lru(self):
for storage_class in self.DISK_STORAGES:
with self.subTest(scenario=storage_class.__name__):
path = mktemp(dir=UNITTEST_TMP_DIR)
cache = LRUCache(storage=storage_class(path=path),
max_size=2,
sizeof=lambda i: 1)
cache['abc'] = {'my_data': 'a'}
cache['def'] = {'my_data': 'b'}
cache.close()
cache = LRUCache(storage=storage_class(path=path),
max_size=2,
sizeof=lambda i: 1)
cache['ghi'] = {'my_data': 'c'}
with self.assertRaises(ItemNotCached):
cache['abc']
self.assertEqual(cache.total_size_stored, 2)
self.assertEqual(cache['def'], {'my_data': 'b'})
self.assertEqual(cache['ghi'], {'my_data': 'c'})
cache.close()
