def test_wrong_init():
with pytest.raises(TypeError):
linear_setup.get_engine_list(num_qubits=10,
cyclic=False,
one_qubit_gates="any",
two_qubit_gates=(CNOT))
with pytest.raises(TypeError):
linear_setup.get_engine_list(num_qubits=10,
cyclic=False,
one_qubit_gates="Any",
two_qubit_gates=(CNOT, ))
def test_restriction():
engine_list = linear_setup.get_engine_list(
num_qubits=10,
cyclic=False,
one_qubit_gates=(Rz, H),
two_qubit_gates=(CNOT, AddConstant),
)
backend = DummyEngine(save_commands=True)
eng = projectq.MainEngine(backend, engine_list)
qubit1 = eng.allocate_qubit()
qubit2 = eng.allocate_qubit()
qubit3 = eng.allocate_qubit()
eng.flush()
CNOT | (qubit1, qubit2)
H | qubit1
Rz(0.2) | qubit1
Measure | qubit1
Swap | (qubit1, qubit2)
Rx(0.1) | (qubit1)
AddConstant(1) | qubit1 + qubit2 + qubit3
eng.flush()
assert backend.received_commands[4].gate == X
assert len(backend.received_commands[4].control_qubits) == 1
assert backend.received_commands[5].gate == H
assert backend.received_commands[6].gate == Rz(0.2)
assert backend.received_commands[7].gate == Measure
for cmd in backend.received_commands[7:]:
assert cmd.gate != Swap
assert not isinstance(cmd.gate, Rx)
assert not isinstance(cmd.gate, AddConstant)
def test_mapper_present_and_correct_params():
found = False
mapper = None
for engine in linear_setup.get_engine_list(num_qubits=10, cyclic=True):
if isinstance(engine, LinearMapper):
mapper = engine
found = True
assert found
assert mapper.num_qubits == 10
assert mapper.cyclic
def test_parameter_any():
engine_list = linear_setup.get_engine_list(num_qubits=10,
cyclic=False,
one_qubit_gates="any",
two_qubit_gates="any")
backend = DummyEngine(save_commands=True)
eng = projectq.MainEngine(backend, engine_list)
qubit1 = eng.allocate_qubit()
qubit2 = eng.allocate_qubit()
gate = BasicGate()
gate | (qubit1, qubit2)
gate | qubit1
eng.flush()
print(len(backend.received_commands))
assert backend.received_commands[2].gate == gate
assert backend.received_commands[3].gate == gate