def test_from_config_null_cache_elem(self) -> None:
inst = MemoryDescriptorSet.from_config({'cache_element': None})
self.assertIsNone(inst.cache_element)
self.assertEqual(inst._table, {})
inst = MemoryDescriptorSet.from_config(
{'cache_element': {
'type': None
}})
self.assertIsNone(inst.cache_element)
self.assertEqual(inst._table, {})
def test_from_config_null_cache_elem_type(self) -> None:
# An empty cache should not trigger loading on construction.
expected_empty_cache = DataMemoryElement()
dme_key = 'smqtk_dataprovider.impls.data_element.memory.DataMemoryElement'
inst = MemoryDescriptorSet.from_config(
{'cache_element': {
'type': dme_key,
dme_key: {
'bytes': ''
}
}})
self.assertEqual(inst.cache_element, expected_empty_cache)
self.assertEqual(inst._table, {})
def test_from_config(self) -> None:
# Configured cache with some picked bytes
# Then convert to "string" (decode -> unicode) for python version used.
expected_table = dict(a=1, b=2, c=3)
expected_cache = DataMemoryElement(bytes=pickle.dumps(expected_table))
expected_cache_json_str = \
expected_cache.get_bytes().decode(BYTES_CONFIG_ENCODING)
dme_key = 'smqtk_dataprovider.impls.data_element.memory.DataMemoryElement'
inst = MemoryDescriptorSet.from_config({
'cache_element': {
'type': dme_key,
dme_key: {
'bytes': expected_cache_json_str
}
}
})
self.assertEqual(inst.cache_element, expected_cache)
self.assertEqual(inst._table, expected_table)
def test_default_config(self) -> None:
# Default should be valid for constructing a new instance.
c = MemoryDescriptorSet.get_default_config()
self.assertEqual(MemoryDescriptorSet.from_config(c).get_config(), c)