mirror of
https://github.com/KevinMidboe/python-gpiozero.git
synced 2025-10-29 17:50:37 +00:00
128 lines
3.1 KiB
Python
128 lines
3.1 KiB
Python
from __future__ import (
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unicode_literals,
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absolute_import,
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print_function,
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division,
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)
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str = type('')
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import pytest
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from gpiozero.pins.mock import MockPin
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from gpiozero import *
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def teardown_function(function):
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MockPin.clear_pins()
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# TODO add more devices tests!
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def test_device_no_pin():
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with pytest.raises(GPIOPinMissing):
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device = GPIODevice()
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def test_device_init():
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pin = MockPin(2)
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device = GPIODevice(pin)
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assert not device.closed
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assert device.pin == pin
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def test_device_init_twice_same_pin():
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pin = MockPin(2)
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device = GPIODevice(pin)
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with pytest.raises(GPIOPinInUse):
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device2 = GPIODevice(pin)
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def test_device_init_twice_different_pin():
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pin = MockPin(2)
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device = GPIODevice(pin)
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pin2 = MockPin(3)
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device2 = GPIODevice(pin2)
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def test_device_close():
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pin = MockPin(2)
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device = GPIODevice(pin)
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device.close()
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assert device.closed
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assert device.pin is None
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def test_device_reopen_same_pin():
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pin = MockPin(2)
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device = GPIODevice(pin)
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device.close()
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device2 = GPIODevice(pin)
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assert not device2.closed
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assert device2.pin == pin
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assert device.closed
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assert device.pin is None
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def test_device_repr():
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pin = MockPin(2)
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device = GPIODevice(pin)
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assert repr(device) == '<gpiozero.GPIODevice object on pin %s, is_active=False>' % pin
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def test_device_repr_after_close():
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pin = MockPin(2)
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device = GPIODevice(pin)
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device.close()
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assert repr(device) == '<gpiozero.GPIODevice object closed>'
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def test_device_unknown_attr():
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pin = MockPin(2)
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device = GPIODevice(pin)
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with pytest.raises(AttributeError):
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device.foo = 1
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def test_device_context_manager():
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pin = MockPin(2)
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with GPIODevice(pin) as device:
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assert not device.closed
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assert device.closed
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def test_composite_device_sequence():
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device = CompositeDevice(
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InputDevice(MockPin(2)),
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InputDevice(MockPin(3))
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)
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assert len(device) == 2
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assert device[0].pin.number == 2
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assert device[1].pin.number == 3
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assert device.tuple._fields == ('_0', '_1')
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def test_composite_device_values():
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device = CompositeDevice(
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InputDevice(MockPin(2)),
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InputDevice(MockPin(3))
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)
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assert device.value == (0, 0)
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assert not device.is_active
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device[0].pin.drive_high()
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assert device.value == (1, 0)
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assert device.is_active
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def test_composite_device_named():
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device = CompositeDevice(
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foo=InputDevice(MockPin(2)),
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bar=InputDevice(MockPin(3)),
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_order=('foo', 'bar')
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)
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assert device.tuple._fields == ('foo', 'bar')
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assert device.value == (0, 0)
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assert not device.is_active
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def test_composite_device_bad_init():
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with pytest.raises(ValueError):
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CompositeDevice(foo=1, bar=2, _order=('foo',))
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with pytest.raises(ValueError):
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CompositeDevice(close=1)
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def test_composite_device_read_only():
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device = CompositeDevice(
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foo=InputDevice(MockPin(2)),
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bar=InputDevice(MockPin(3))
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)
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with pytest.raises(AttributeError):
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device.foo = 1
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