def test_qubit_lo_from_configurable_backend(self):
"""Test computation of qubit_lo_freq from configurable backend."""
backend = FakeArmonk()
test_model = PulseSystemModel.from_backend(backend)
qubit_lo_from_hamiltonian = test_model.hamiltonian.get_qubit_lo_from_drift()
freqs = test_model.calculate_channel_frequencies(qubit_lo_from_hamiltonian)
expected = getattr(backend.configuration(), 'hamiltonian')['vars']['wq0'] / (2 * np. pi)
self.assertAlmostEqual(freqs['D0'], expected, places=4)
def test_qubit_lo_from_configurable_backend(self):
backend = FakeArmonk()
test_model = PulseSystemModel.from_backend(backend)
qubit_lo_from_hamiltonian = test_model.hamiltonian.get_qubit_lo_from_drift(
)
freqs = test_model.calculate_channel_frequencies(
qubit_lo_from_hamiltonian)
self.assertAlmostEqual(freqs['D0'], 4.974286046328553)
def test_control_channel_labels_from_backend(self):
"""Test correct importing of backend control channel description."""
backend = FakeOpenPulse2Q()
system_model = PulseSystemModel.from_backend(backend)
expected = [{'driven_q': 1, 'freq': '(1+0j)q0'},
{'driven_q': 0, 'freq': '(-1+0j)q0 + (1+0j)q1'}]
self.assertEqual(system_model.control_channel_labels, expected)