def test_dataclass_with_x_caches_class(self):
json_dataclass_with_x = '{"x": 1}'
_ = DataClassX.from_json(json_dataclass_with_x)
# type hints for class cached
assert _get_type_hints_cache._Cache__currsize == 1
# supported generic called for int
assert _is_supported_generic_cache._Cache__currsize == 1
# for the dataclass
assert _user_overrides_cache._Cache__currsize == 1
# force cache hits
_ = DataClassX.from_json(json_dataclass_with_x)
assert _get_type_hints_cache._Cache__currsize == 1
assert _is_supported_generic_cache._Cache__currsize == 1
assert _user_overrides_cache._Cache__currsize == 1
def test_wrong_nested_list_of_dataclasses(self):
try:
_ = DataClassX.from_json('{"a": "incorrect_field"}')
x_error = None
except Exception as e:
x_error = e
assert x_error is not None
try:
_ = DataClassXs.from_json('{"xs": [{"a": "incorrect_field"}]}')
xs_error = None
except Exception as e:
xs_error = e
assert xs_error is not None
assert x_error.__class__ == xs_error.__class__
assert x_error.args == xs_error.args
def test_nested_list_of_dataclasses(self):
assert (DataClassXs([DataClassX(0), DataClassX(1)
]).to_json() == '{"xs": [{"x": 0}, {"x": 1}]}')