def test_invalid_initial_state_empty_circuit_qubits_specified(scheduler):
simulator = xmon_simulator.XmonSimulator()
with pytest.raises(ValueError):
_ = simulate(simulator,
Circuit(),
scheduler,
qubit_order=[Q1, Q2],
initial_state=-1)
with pytest.raises(ValueError):
_ = simulate(simulator,
Circuit(),
scheduler,
qubit_order=[Q1, Q2],
initial_state=100)
with pytest.raises(ValueError):
_ = simulate(simulator,
Circuit(),
scheduler,
qubit_order=[Q1, Q2],
initial_state=np.array([0.0, 1.0], dtype=np.complex64))
def test_circuit_param_and_reps():
sim = xmon_simulator.XmonSimulator()
circuit = bit_flip_circuit(Symbol('a'), Symbol('b'))
resolvers = [
ParamResolver({
'a': b1,
'b': b2
}) for b1 in range(2) for b2 in range(2)
]
all_trials = sim.run_sweep(circuit, params=resolvers, repetitions=3)
assert len(all_trials) == 4
for result in all_trials:
assert result.repetitions == 3
expect_a = result.params['a'] == 1
expect_b = result.params['b'] == 1
np.testing.assert_equal(result.measurements['q1'], [[expect_a]] * 3)
np.testing.assert_equal(result.measurements['q2'], [[expect_b]] * 3)
# All parameters explored.
assert (set(itertools.product([0, 1],
[0, 1])) == {(r.params['a'], r.params['b'])
for r in all_trials})
def test_circuit_bad_parameters():
sim = xmon_simulator.XmonSimulator()
circuit = bit_flip_circuit(Symbol('a'), Symbol('b'))
with pytest.raises(TypeError):
sim.run_sweep(circuit, params=3, repetitions=1)
def test_simulate_moment_steps_no_results():
simulator = xmon_simulator.XmonSimulator()
for step in simulator.simulate_moment_steps(basic_circuit()):
assert len(step.measurements) == 0
def test_run_initial_state_int(scheduler):
simulator = xmon_simulator.XmonSimulator()
result = simulate(simulator, basic_circuit(), scheduler, initial_state=2)
np.testing.assert_almost_equal(result.final_state,
np.array([0.5, 0.5j, 0.5j, 0.5]))
def test_run_empty_circuit(scheduler):
simulator = xmon_simulator.XmonSimulator()
result = run(simulator, Circuit(), scheduler)
assert len(result.measurements) == 0
def test_run_no_results(scheduler, use_processes):
options = xmon_simulator.XmonOptions(use_processes=use_processes)
simulator = xmon_simulator.XmonSimulator(options)
result = run(simulator, basic_circuit(), scheduler)
assert len(result.measurements) == 0
