def test_get_probabilities_returns_correct_result(self):
api = MockApiClient()
backend = QIBackend(quantum_inspire_api=api)
value_a = 0.4892578125
value_b = 0.5097656250
backend._measured_states = {
0: value_a,
11: value_b
} # 00000000 and 00001011
expected = {'00': value_a, '11': value_b}
backend.main_engine = MagicMock()
backend._measured_ids = [0, 1]
backend.main_engine.mapper.current_mapping = [0, 1]
actual = backend.get_probabilities([MagicMock(id=0), MagicMock(id=1)])
self.assertDictEqual(expected, actual)
password = getpass()
else:
email, password = QI_EMAIL, QI_PASSWORD
return get_basic_authentication(email, password)
if __name__ == '__main__':
name = 'TestProjectQ'
authentication = get_authentication()
qi_api = QuantumInspireAPI(QI_URL, authentication, project_name=name)
compiler_engines = restrictedgateset.get_engine_list(one_qubit_gates="any", two_qubit_gates=(CNOT,))
compiler_engines.extend([ResourceCounter()])
qi_backend = QIBackend(quantum_inspire_api=qi_api)
engine = MainEngine(backend=qi_backend, engine_list=compiler_engines)
qubits = engine.allocate_qureg(2)
q1 = qubits[0]
q2 = qubits[1]
H | q1
CNOT | (q1, q2)
All(Measure) | qubits
engine.flush()
print('\nMeasured: {0}'.format([int(q) for q in qubits]))
print('Probabilities {0}'.format(qi_backend.get_probabilities(qubits)))