def test_ops_are_consistent_with_device_graph():
device_graph = ccr.get_linear_device_graph(3)
qubits = cirq.LineQubit.range(3)
circuit = cirq.Circuit(cirq.ZZ(qubits[0], qubits[2]))
assert not ccr.ops_are_consistent_with_device_graph(
circuit.all_operations(), device_graph)
assert not ccr.ops_are_consistent_with_device_graph(
[cirq.X(cirq.GridQubit(0, 0))], device_graph)
def test_route_circuit(circuit, device_graph, algo):
swap_network = ccr.route_circuit(circuit, device_graph, algo_name=algo)
assert set(swap_network.initial_mapping).issubset(device_graph)
assert (sorted(swap_network.initial_mapping.values()) == sorted(
circuit.all_qubits()))
assert ccr.ops_are_consistent_with_device_graph(
swap_network.circuit.all_operations(), device_graph)
assert ccr.is_valid_routing(circuit, swap_network)
def test_route_circuit(n_moments, algo, circuit_seed, routing_seed):
circuit = cirq.testing.random_circuit(10,
n_moments,
0.5,
random_state=circuit_seed)
device_graph = ccr.get_grid_device_graph(4, 3)
swap_network = ccr.route_circuit(circuit,
device_graph,
algo_name=algo,
random_state=routing_seed)
assert set(swap_network.initial_mapping).issubset(device_graph)
assert sorted(swap_network.initial_mapping.values()) == sorted(
circuit.all_qubits())
assert ccr.ops_are_consistent_with_device_graph(
swap_network.circuit.all_operations(), device_graph)
assert ccr.is_valid_routing(circuit, swap_network)
def test_calculate_quantum_volume_result_with_device_graph():
"""Test that running the main loop routes the circuit onto the given device
graph"""
device_qubits = [cirq.GridQubit(i, j) for i in range(2) for j in range(3)]
results = cirq.contrib.quantum_volume.calculate_quantum_volume(
num_qubits=3,
depth=3,
num_circuits=1,
device_or_qubits=device_qubits,
samplers=[cirq.Simulator()],
routing_attempts=2,
random_state=1,
)
assert len(results) == 1
assert ccr.ops_are_consistent_with_device_graph(
results[0].compiled_circuit.all_operations(),
ccr.get_grid_device_graph(2, 3))
