def test_get(self, mock_open, mock_read_file, mock_read_object, mock_cached, mock_index):
cache = Cache('test')
mock_cached.return_value = False
value = cache.get('unknown_key')
self.assertTrue(mock_cached.called)
self.assertIsNone(value)
mock_cached.return_value = True
mock_read_object.return_value = 'read_value_object'
mock_read_file.return_value = 'read_value_file'
mock_cached.reset_mock()
value = cache.get('cached_key', as_fileobj=False)
self.assertTrue(mock_cached.called)
self.assertTrue(mock_read_object.called)
self.assertEqual(value, 'read_value_object')
mock_cached.reset_mock()
value = cache.get('cached_key', as_fileobj=True)
self.assertTrue(mock_cached.called)
self.assertTrue(mock_read_file.called)
self.assertEqual(value, 'read_value_file')
