def test_random_circuit_errors():
with pytest.raises(ValueError):
random_circuit(randint(1, 10), randint(1, 10), -1)
with pytest.raises(ValueError):
random_circuit(randint(1, 10), randint(1, 10), 1.)
with pytest.raises(ValueError):
random_circuit(randint(1, 10), randint(1, 10), random(), gate_domain={})
with pytest.raises(ValueError):
random_circuit(0, randint(1, 10), random())
with pytest.raises(ValueError):
random_circuit((), randint(1, 10), random())
def test_random_circuit_errors():
with pytest.raises(ValueError):
random_circuit(randint(1, 10), randint(1, 10), -1)
with pytest.raises(ValueError):
random_circuit(randint(1, 10), randint(1, 10), 1.)
with pytest.raises(ValueError):
random_circuit(randint(1, 10),
randint(1, 10),
random(),
gate_domain={})
with pytest.raises(ValueError):
random_circuit(0, randint(1, 10), random())
with pytest.raises(ValueError):
random_circuit((), randint(1, 10), random())
def test_random_circuit_reproducible_with_seed(seed):
wrappers = (lambda s: s, np.random.RandomState)
circuits = [
random_circuit(qubits=20,
n_moments=20,
op_density=0.7,
random_state=wrapper(seed)) for wrapper in wrappers
for _ in range(2)
]
eq = cirq.testing.EqualsTester()
eq.add_equality_group(*circuits)
def test_random_circuit(n_qubits, n_moments, gate_domain, op_density,
pass_qubits):
qubits = ([ops.QubitId()
for _ in range(n_qubits)] if pass_qubits else n_qubits)
circuit = random_circuit(qubits, n_moments, op_density, gate_domain)
if pass_qubits:
assert circuit.all_qubits().issubset(qubits)
assert len(circuit) == n_moments
if gate_domain is None:
gate_domain = DEFAULT_GATE_DOMAIN
assert set(op.gate
for op in circuit.all_operations()).issubset(gate_domain)
def test_random_circuit_reproducible_with_seed(seed):
circuit1 = random_circuit(qubits=20,
n_moments=20,
op_density=0.7,
random_state=seed)
circuit2 = random_circuit(qubits=20,
n_moments=20,
op_density=0.7,
random_state=seed)
assert circuit1 == circuit2
prng = np.random.RandomState(seed)
circuit1 = random_circuit(qubits=20,
n_moments=20,
op_density=0.7,
random_state=prng)
prng = np.random.RandomState(seed)
circuit2 = random_circuit(qubits=20,
n_moments=20,
op_density=0.7,
random_state=prng)
assert circuit1 == circuit2
def test_random_circuit(n_qubits,
n_moments,
gate_domain,
op_density,
pass_qubits
):
qubits = ([cirq.QubitId() for _ in range(n_qubits)]
if pass_qubits else n_qubits)
circuit = random_circuit(qubits, n_moments, op_density, gate_domain)
if pass_qubits:
assert circuit.all_qubits().issubset(qubits)
assert len(circuit) == n_moments
if gate_domain is None:
gate_domain = DEFAULT_GATE_DOMAIN
assert set(op.gate for op in circuit.all_operations()).issubset(gate_domain)
def test_random_circuit(n_qubits: Union[int, Sequence[cirq.Qid]],
n_moments: int, op_density: float,
gate_domain: Optional[Dict[cirq.Gate,
int]], pass_qubits: bool):
qubit_set = cirq.LineQubit.range(n_qubits)
qubit_arg = qubit_set if pass_qubits else n_qubits
circuit = random_circuit(qubit_arg, n_moments, op_density, gate_domain)
if qubit_arg is qubit_set:
assert circuit.all_qubits().issubset(qubit_set)
assert len(circuit) == n_moments
if gate_domain is None:
gate_domain = DEFAULT_GATE_DOMAIN
assert set(
cast(cirq.GateOperation, op).gate
for op in circuit.all_operations()).issubset(gate_domain)
def test_random_circuit_reproducible_between_runs():
circuit = random_circuit(5, 8, 0.5, random_state=77)
expected_diagram = """
┌──┐
0: ────────────────S─────iSwap───────Y───X───
│
1: ───────────Y──────────iSwap───────Y───────
2: ─────────────────X────T───────────S───S───
│
3: ───────@────────S┼────H───────────────Z───
│ │
4: ───────@─────────@────────────────────X───
└──┘
"""
cirq.testing.assert_has_diagram(circuit, expected_diagram)