def test_rigetti_qcs_aspen_device_valid_operation(
operation: cirq.Operation, qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice throws no error when validating 2Q operations on
adjacent qubits
"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
device.validate_operation(operation)
def test_rigetti_qcs_aspen_device_invalid_operation(
operation: cirq.Operation, qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice throws error when validating 2Q operations on
non-adjacent qubits
"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
with pytest.raises(UnsupportedRigettiQCSOperation):
device.validate_operation(operation)
def test_rigetti_qcs_aspen_device_qubits(qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice returns accurate set of qubits"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
expected_qubits = set()
for i in range(4):
for j in range(8):
expected_qubits.add(AspenQubit(octagon=i, octagon_position=j))
assert expected_qubits == set(device.qubits())
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 test_rigetti_qcs_aspen_device_topology(
qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice topological nodes and edges"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
assert len(device.qubit_topology.nodes) == 32
assert len(device.qubit_topology.edges) == 38
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_valid_qubit(
qubit: cirq.Qid, qcs_aspen8_isa: InstructionSetArchitecture
):
"""test RigettiQCSAspenDevice throws no error on valid qubits or operations on those qubits"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
device.validate_qubit(qubit)
device.validate_operation(cirq.I(qubit))
def test_rigetti_qcs_aspen_device_invalid_qubit(
qubit: cirq.Qid, qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice throws error on invalid qubits"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
with pytest.raises(UnsupportedQubit):
device.validate_qubit(qubit)
with pytest.raises(UnsupportedQubit):
device.validate_operation(cirq.I(qubit))
def test_rigetti_qcs_aspen_device_repr(
qcs_aspen8_isa: InstructionSetArchitecture):
"""test RigettiQCSAspenDevice.__repr__"""
device = RigettiQCSAspenDevice(isa=qcs_aspen8_isa)
assert f'cirq_rigetti.RigettiQCSAspenDevice(isa={qcs_aspen8_isa!r})' == repr(
device)