def test_rigetti_qcs_aspen_device_family_validation(
qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice validates architecture family on initialization"""
non_aspen_isa = InstructionSetArchitecture.from_dict(
qcs_aspen8_isa.to_dict())
non_aspen_isa.architecture.family = "not-aspen" # type: ignore
with pytest.raises(UnsupportedRigettiQCSQuantumProcessor):
RigettiQCSAspenDevice(isa=non_aspen_isa)
def test_rigetti_qcs_aspen_device_non_existent_qubit(
qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice throws error when qubit does not exist on device"""
# test device may only be initialized with Aspen ISA.
device_with_limited_nodes = RigettiQCSAspenDevice(
isa=InstructionSetArchitecture.from_dict(qcs_aspen8_isa.to_dict()))
device_with_limited_nodes.isa.architecture.nodes = [Node(node_id=10)]
with pytest.raises(UnsupportedQubit):
device_with_limited_nodes.validate_qubit(cirq.GridQubit(0, 0))
def qcs_aspen8_isa() -> InstructionSetArchitecture:
"""
Read the Aspen-8 QCS InstructionSetArchitecture from file and load it into
the ``InstructionSetArchitecture`` QCS API client model.
"""
with open(os.path.join(TEST_DATA_DIR, "qcs-isa-Aspen-8.json")) as f:
return InstructionSetArchitecture.from_dict(json.load(f))
def __init__(
self, isa: Union[InstructionSetArchitecture, Dict[str,
Any]]) -> None:
"""Initializes a RigettiQCSAspenDevice with its Rigetti QCS `InstructionSetArchitecture`.
Args:
isa: The `InstructionSetArchitecture` retrieved from the QCS api.
Raises:
UnsupportedRigettiQCSQuantumProcessor: If the isa does not define
an Aspen device.
"""
if isinstance(isa, InstructionSetArchitecture):
self.isa = isa
else:
self.isa = InstructionSetArchitecture.from_dict(isa)
if self.isa.architecture.family.lower() != 'aspen':
raise UnsupportedRigettiQCSQuantumProcessor(
'this integration currently only supports Aspen devices, '
f'but client provided a {self.isa.architecture.family} device')
self.quantum_processor = QCSQuantumProcessor(
quantum_processor_id=self.isa.name, isa=self.isa)
def _from_json_dict_(cls, isa, **kwargs):
return cls(isa=InstructionSetArchitecture.from_dict(isa), )
def qcs_aspen8_isa() -> InstructionSetArchitecture:
with open(fixture_path / 'QCS-Aspen-8-ISA.json', 'r') as f:
return InstructionSetArchitecture.from_dict(json.load(f))
