def test_from_config_with_cache(self) -> None:
c = LinearHashIndex.get_default_config()
c['cache_element'][
'type'] = 'smqtk_dataprovider.impls.data_element.memory.DataMemoryElement'
i = LinearHashIndex.from_config(c)
self.assertIsInstance(i.cache_element, DataMemoryElement)
self.assertEqual(i.index, set())
def test_from_config_no_cache(self) -> None:
# Default config is valid and specifies no cache.
c = LinearHashIndex.get_default_config()
i = LinearHashIndex.from_config(c)
self.assertIsNone(i.cache_element)
self.assertEqual(i.index, set())