def test_servo_set_position_out_of_bounds():
"""Test that we cannot set < -1 or > 1."""
servo = Servo(2, MockServoBoard(), MockServoDriver())
with pytest.raises(ValueError):
servo.position = 2
with pytest.raises(ValueError):
servo.position = -2
def __init__(self, serial: str, backend: Backend):
self._serial = serial
self._backend = backend
self._servos = ImmutableList[Servo](
Servo(servo, cast(ServoInterface, self._backend))
for servo in range(0, 12))
def test_servo_set_position_none():
"""Test that we can set the position of a servo to None."""
servo = Servo(2, MockServoBoard(), MockServoDriver())
servo.position = None
def test_servo_get_position():
"""Test that we can get the position of a servo."""
servo = Servo(2, MockServoBoard(), MockServoDriver())
assert type(servo.position) is float
assert servo.position == 0.5
def test_servo_instantiation():
"""Test that we can instantiate a Servo."""
Servo(0, MockServoBoard(), MockServoDriver())
def test_servo_interface_class():
"""Test that the interface class is ServoInterface."""
assert Servo.interface_class() is ServoInterface
def test_servo_set_position() -> None:
"""Test that we can set the position of a servo."""
servo = Servo(2, MockServoDriver())
servo.position = 0.6
def test_servo_identifier() -> None:
"""Test the identifier attribute of the component."""
component = Servo(0, MockServoDriver())
assert component.identifier == 0
def test_servo_instantiation() -> None:
"""Test that we can instantiate a Servo."""
Servo(0, MockServoDriver())