def test_decompose_two_qubit_matrix_gate():
q0, q1 = cirq.LineQubit.range(2)
device = ionq.IonQAPIDevice(qubits=[q0, q1])
for _ in range(10):
gate = cirq.MatrixGate(cirq.testing.random_unitary(4))
circuit = cirq.Circuit(gate(q0, q1))
decomposed_circuit = cirq.Circuit(*device.decompose_operation(gate(q0, q1)))
cirq.testing.assert_circuits_with_terminal_measurements_are_equivalent(
circuit, decomposed_circuit, atol=1e-8
)
def test_validate_moment_valid():
moment = cirq.Moment()
q = 0
all_qubits = []
for gate in VALID_GATES:
qubits = cirq.LineQubit.range(q, q + gate.num_qubits())
all_qubits.extend(qubits)
moment += [gate(*qubits)]
q += gate.num_qubits()
device = ionq.IonQAPIDevice(len(all_qubits))
device.validate_moment(moment)
def test_validate_circuit_valid():
qubits = cirq.LineQubit.range(10)
device = ionq.IonQAPIDevice(qubits)
for _ in range(100):
circuit = cirq.testing.random_circuit(
qubits=qubits,
n_moments=3,
op_density=0.5,
gate_domain={gate: gate.num_qubits() for gate in VALID_GATES},
)
device.validate_circuit(circuit)
def test_validate_moment_invalid(gate):
qubits = cirq.LineQubit.range(gate.num_qubits())
moment = cirq.Moment([gate(*qubits)])
device = ionq.IonQAPIDevice(qubits=qubits)
with pytest.raises(ValueError, match='unsupported gate'):
device.validate_moment(moment)
def test_validate_operation_qubit_not_on_device():
device = ionq.IonQAPIDevice(qubits=[cirq.LineQubit(0)])
with pytest.raises(ValueError, match='not on the device'):
device.validate_operation(cirq.H(cirq.LineQubit(1)))
def test_validate_operation_no_gate():
device = ionq.IonQAPIDevice(qubits=[])
with pytest.raises(ValueError, match='no gates'):
device.validate_operation(cirq.GlobalPhaseOperation(1j))
def test_validate_operation_invalid(gate):
qubits = cirq.LineQubit.range(gate.num_qubits())
device = ionq.IonQAPIDevice(qubits=qubits)
operation = gate(*qubits)
with pytest.raises(ValueError, match='unsupported gate'):
device.validate_operation(operation)
def test_validate_operation_valid(gate):
qubits = cirq.LineQubit.range(gate.num_qubits())
device = ionq.IonQAPIDevice(qubits=qubits)
operation = gate(*qubits)
device.validate_operation(operation)
def test_decompose_unsupported_gate():
q0, q1, q2 = cirq.LineQubit.range(3)
device = ionq.IonQAPIDevice(qubits=[q0, q1, q2])
op = cirq.CCZ(q0, q1, q2)
with pytest.raises(ValueError, match='not supported'):
_ = device.decompose_operation(op)
def test_decompose_leaves_supported_alone(gate):
qubits = cirq.LineQubit.range(gate.num_qubits())
device = ionq.IonQAPIDevice(qubits=qubits)
operation = gate(*qubits)
assert device.decompose_operation(operation) == operation