def test_executor_observable_compatibility_check(execute, obs):
q = cirq.LineQubit(0)
circuits = [cirq.Circuit(cirq.X(q)), cirq.Circuit(cirq.H(q), cirq.Z(q))]
executor = Executor(execute)
with pytest.raises(ValueError, match="are not compatible"):
executor.evaluate(circuits, obs)
def test_executor_evaluate_float(execute):
q = cirq.LineQubit(0)
circuits = [cirq.Circuit(cirq.X(q)), cirq.Circuit(cirq.H(q), cirq.Z(q))]
executor = Executor(execute)
results = executor.evaluate(circuits)
assert np.allclose(results, [1, 2])
if execute is executor_serial_unique:
assert executor.calls_to_executor == 2
else:
assert executor.calls_to_executor == 1
assert executor.executed_circuits == circuits
assert executor.quantum_results == [1, 2]
def test_executor_evaluate_density_matrix(execute):
obs = Observable(PauliString("Z"))
q = cirq.LineQubit(0)
circuits = [cirq.Circuit(cirq.I.on(q)), cirq.Circuit(cirq.X.on(q))]
executor = Executor(execute)
results = executor.evaluate(circuits, obs)
assert np.allclose(results, [1, -1])
if execute is executor_density_matrix:
assert executor.calls_to_executor == 2
else:
assert executor.calls_to_executor == 1
assert executor.executed_circuits == circuits
assert np.allclose(executor.quantum_results[0],
executor_density_matrix(circuits[0]))
assert np.allclose(executor.quantum_results[1],
executor_density_matrix(circuits[1]))
assert len(executor.quantum_results) == len(circuits)
def test_executor_evaluate_measurements(execute):
obs = Observable(PauliString("Z"))
q = cirq.LineQubit(0)
circuits = [cirq.Circuit(cirq.I.on(q)), cirq.Circuit(cirq.X.on(q))]
executor = Executor(execute)
results = executor.evaluate(circuits, obs)
assert np.allclose(results, [1, -1])
if execute is executor_measurements:
assert executor.calls_to_executor == 2
else:
assert executor.calls_to_executor == 1
assert executor.executed_circuits[0] == circuits[0] + cirq.measure(q)
assert executor.executed_circuits[1] == circuits[1] + cirq.measure(q)
assert executor.quantum_results[0] == executor_measurements(
circuits[0] + cirq.measure(q))
assert executor.quantum_results[1] == executor_measurements(
circuits[1] + cirq.measure(q))
assert len(executor.quantum_results) == len(circuits)