mirror of
https://github.com/KevinMidboe/python-gpiozero.git
synced 2025-10-29 17:50:37 +00:00
a99e0746c3
Permit replacement of pin_factory without closing old factory. However, continue closing devices associated with extant pin factory at script termination.
135 lines
3.6 KiB
Python
135 lines
3.6 KiB
Python
from __future__ import (
|
|
unicode_literals,
|
|
absolute_import,
|
|
print_function,
|
|
division,
|
|
)
|
|
str = type('')
|
|
|
|
import warnings
|
|
|
|
import pytest
|
|
|
|
from gpiozero import *
|
|
|
|
|
|
def teardown_function(function):
|
|
Device.pin_factory.reset()
|
|
|
|
|
|
# TODO add more devices tests!
|
|
|
|
def test_device_bad_pin():
|
|
with pytest.raises(GPIOPinMissing):
|
|
device = GPIODevice()
|
|
with pytest.raises(PinInvalidPin):
|
|
device = GPIODevice(60)
|
|
|
|
def test_device_non_physical():
|
|
with warnings.catch_warnings(record=True) as w:
|
|
device = GPIODevice(37)
|
|
assert len(w) == 1
|
|
assert w[0].category == PinNonPhysical
|
|
|
|
def test_device_init():
|
|
pin = Device.pin_factory.pin(2)
|
|
with GPIODevice(pin) as device:
|
|
assert not device.closed
|
|
assert device.pin == pin
|
|
|
|
def test_device_init_twice_same_pin():
|
|
with GPIODevice(2) as device:
|
|
with pytest.raises(GPIOPinInUse):
|
|
GPIODevice(2)
|
|
|
|
def test_device_init_twice_different_pin():
|
|
with GPIODevice(2) as device:
|
|
with GPIODevice(3) as device2:
|
|
pass
|
|
|
|
def test_device_close():
|
|
device = GPIODevice(2)
|
|
# Don't use "with" here; we're testing close explicitly
|
|
device.close()
|
|
assert device.closed
|
|
assert device.pin is None
|
|
|
|
def test_device_reopen_same_pin():
|
|
pin = Device.pin_factory.pin(2)
|
|
with GPIODevice(pin) as device:
|
|
pass
|
|
with GPIODevice(pin) as device2:
|
|
assert not device2.closed
|
|
assert device2.pin is pin
|
|
assert device.closed
|
|
assert device.pin is None
|
|
|
|
def test_device_repr():
|
|
with GPIODevice(4) as device:
|
|
assert repr(device) == '<gpiozero.GPIODevice object on pin %s, is_active=False>' % device.pin
|
|
|
|
def test_device_repr_after_close():
|
|
with GPIODevice(2) as device:
|
|
pass
|
|
assert repr(device) == '<gpiozero.GPIODevice object closed>'
|
|
|
|
def test_device_unknown_attr():
|
|
with GPIODevice(2) as device:
|
|
with pytest.raises(AttributeError):
|
|
device.foo = 1
|
|
|
|
def test_device_context_manager():
|
|
with GPIODevice(2) as device:
|
|
assert not device.closed
|
|
assert device.closed
|
|
|
|
def test_composite_device_sequence():
|
|
with CompositeDevice(
|
|
InputDevice(4),
|
|
InputDevice(5)
|
|
) as device:
|
|
assert len(device) == 2
|
|
assert device[0].pin.number == 4
|
|
assert device[1].pin.number == 5
|
|
assert device.namedtuple._fields == ('_0', '_1')
|
|
|
|
def test_composite_device_values():
|
|
with CompositeDevice(
|
|
InputDevice(4),
|
|
InputDevice(5)
|
|
) as device:
|
|
assert device.value == (0, 0)
|
|
assert not device.is_active
|
|
device[0].pin.drive_high()
|
|
assert device.value == (1, 0)
|
|
assert device.is_active
|
|
|
|
def test_composite_device_named():
|
|
with CompositeDevice(
|
|
foo=InputDevice(4),
|
|
bar=InputDevice(5),
|
|
_order=('foo', 'bar')
|
|
) as device:
|
|
assert device.namedtuple._fields == ('foo', 'bar')
|
|
assert device.value == (0, 0)
|
|
assert not device.is_active
|
|
|
|
def test_composite_device_bad_init():
|
|
with pytest.raises(ValueError):
|
|
CompositeDevice(foo=1, bar=2, _order=('foo',))
|
|
with pytest.raises(ValueError):
|
|
CompositeDevice(close=1)
|
|
with pytest.raises(ValueError):
|
|
CompositeDevice(2)
|
|
with pytest.raises(ValueError):
|
|
CompositeDevice(Device.pin_factory.pin(2))
|
|
|
|
def test_composite_device_read_only():
|
|
with CompositeDevice(
|
|
foo=InputDevice(4),
|
|
bar=InputDevice(5)
|
|
) as device:
|
|
with pytest.raises(AttributeError):
|
|
device.foo = 1
|
|
|