def test_find_measurements_simple_circuit():
circuit = cirq.Circuit()
circuit.append(cirq.measure(q(0, 0), q(0, 1), q(0, 2), key='k'))
measurements = v2.find_measurements(circuit)
assert len(measurements) == 1
m = measurements[0]
_check_measurement(m, 'k', [q(0, 0), q(0, 1), q(0, 2)], 0)
def test_multiple_measurements_different_slots():
circuit = cirq.Circuit()
circuit.append(cirq.measure(q(0, 0), q(0, 1), key='k0'))
circuit.append(cirq.measure(q(0, 2), q(0, 0), key='k1'))
measurements = v2.find_measurements(circuit)
assert len(measurements) == 2
m0, m1 = measurements
_check_measurement(m0, 'k0', [q(0, 0), q(0, 1)], 0)
_check_measurement(m1, 'k1', [q(0, 2), q(0, 0)], 1)
def test_find_measurements_fill_mask():
circuit = cirq.Circuit()
circuit.append(
cirq.measure(q(0, 0),
q(0, 1),
q(0, 2),
key='k',
invert_mask=[False, True]))
measurements = v2.find_measurements(circuit)
assert len(measurements) == 1
m = measurements[0]
_check_measurement(m, 'k', [q(0, 0), q(0, 1), q(0, 2)], 0,
[False, True, False])
def test_find_measurements_simple_schedule():
schedule = cirq.Schedule(
device=cirq.UNCONSTRAINED_DEVICE,
scheduled_operations=[
cirq.ScheduledOperation(
time=cirq.Timestamp(picos=10_000),
duration=cirq.Duration(nanos=1000),
operation=cirq.measure(q(0, 0), q(0, 1), q(0, 2), key='k'),
),
],
)
measurements = v2.find_measurements(schedule)
assert len(measurements) == 1
m = measurements[0]
_check_measurement(m, 'k', [q(0, 0), q(0, 1), q(0, 2)], 10_000)
def test_multiple_measurements_shared_slots():
circuit = cirq.Circuit()
circuit.append([
cirq.measure(q(0, 0), q(0, 1), key='k0'),
cirq.measure(q(0, 2), q(1, 1), key='k1')
])
circuit.append([
cirq.measure(q(1, 0), q(0, 0), q(0, 1), key='k2'),
cirq.measure(q(1, 1), q(0, 2), key='k3'),
])
measurements = v2.find_measurements(circuit)
assert len(measurements) == 4
m0, m1, m2, m3 = measurements
_check_measurement(m0, 'k0', [q(0, 0), q(0, 1)], 0)
_check_measurement(m1, 'k1', [q(0, 2), q(1, 1)], 0)
_check_measurement(m2, 'k2', [q(1, 0), q(0, 0), q(0, 1)], 1)
_check_measurement(m3, 'k3', [q(1, 1), q(0, 2)], 1)
def test_find_measurements_with_tags():
circuit = cirq.Circuit()
circuit.append(
cirq.measure(q(0, 0),
q(0, 1),
q(0, 2),
key='k',
invert_mask=[False, True, True]).with_tags(
cirq.google.CalibrationTag('special')))
measurements = v2.find_measurements(circuit)
assert len(measurements) == 1
m = measurements[0]
_check_measurement(
m,
'k',
[q(0, 0), q(0, 1), q(0, 2)],
0,
[False, True, True],
[cirq.google.CalibrationTag('special')],
)
def test_find_measurements_non_grid_qubits():
circuit = cirq.Circuit()
circuit.append(cirq.measure(cirq.NamedQubit('a'), key='k'))
with pytest.raises(ValueError, match='Expected GridQubits'):
v2.find_measurements(circuit)
def test_find_measurements_duplicate_keys():
circuit = cirq.Circuit()
circuit.append(cirq.measure(q(0, 0), q(0, 1), key='k'))
circuit.append(cirq.measure(q(0, 1), q(0, 2), key='k'))
with pytest.raises(ValueError, match='Duplicate measurement key'):
v2.find_measurements(circuit)
