def merge_gadgets(self, old_gadget: Gadget, new_gadget: Gadget) -> Gadget:
"""
Merges two gadgets (typically one 'original' and a new one with update information) into a new gadget
containing with name, client and class of the old and characteristics of the new one.
:param old_gadget: Original gadget to base merged gadget on
:param new_gadget: Gadget wth update information
:return: The emrged gadget
:raise GadgetMergeError: If anything goes wrong during merges
"""
encoder = ApiEncoder()
if not isinstance(
new_gadget,
AnyGadget) and old_gadget.__class__ != new_gadget.__class__:
raise GadgetMergeError(
f"Cannot merge gadgets with different classes {old_gadget.__class__.__name__} "
f"and {new_gadget.__class__.__name__}")
try:
gadget_type = encoder.encode_gadget_identifier(old_gadget)
except IdentifierEncodeError as err:
raise GadgetMergeError(err.args[0])
try:
merged_gadget = self.create_gadget(
gadget_type, old_gadget.get_name(),
old_gadget.get_host_client(), new_gadget.get_characteristics())
except GadgetCreationError as err:
raise GadgetMergeError(err.args[0])
return merged_gadget
def test_api_gadget_de_serialization(f_validator: Validator,
encoder: ApiEncoder, decoder: ApiDecoder,
f_any_gadget: Gadget,
f_dummy_gadget: Gadget):
serialized_data = encoder.encode_gadget(f_any_gadget)
f_validator.validate(serialized_data, "api_gadget_data")
with pytest.raises(NotImplementedError):
deserialized_gadget = decoder.decode_gadget(
serialized_data, f_any_gadget.get_host_client())
# assert deserialized_gadget.equals(f_any_gadget)
with pytest.raises(GadgetEncodeError):
encoder.encode_gadget(f_dummy_gadget)
