KevinMidboe/python-gpiozero
1
0
Fork 0
mirror of https://github.com/KevinMidboe/python-gpiozero.git synced 2025-10-29 17:50:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix #279

Browse Source 
Permit replacement of pin_factory without closing old factory. However,
continue closing devices associated with extant pin factory at script
termination.
This commit is contained in:
Dave Jones
2017-06-22 22:45:00 +01:00
parent 6e71f20aa6
commit a99e0746c3
16 changed files with 328 additions and 338 deletions
Download Patch File Download Diff File Expand all files Collapse all files

234
tests/test_boards.py
View File

@@ -17,7 +17,7 @@ from gpiozero.pins.mock import MockPWMPin, MockPin
def setup_function(function):
# dirty, but it does the job
Device._pin_factory.pin_class = MockPWMPin if function.__name__ in (
Device.pin_factory.pin_class = MockPWMPin if function.__name__ in (
'test_robot',
'test_ryanteck_robot',
'test_camjam_kit_robot',
@@ -33,18 +33,18 @@ def setup_function(function):
) else MockPin
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
Device._reservations.clear()
def teardown_module(module):
# make sure we reset the default
Device._pin_factory.pwm = False
Device.pin_factory.pwm = False
def test_composite_output_on_off():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with CompositeOutputDevice(OutputDevice(pin1), OutputDevice(pin2), foo=OutputDevice(pin3)) as device:
device.on()
assert all((pin1.state, pin2.state, pin3.state))
@@ -52,9 +52,9 @@ def test_composite_output_on_off():
assert not any((pin1.state, pin2.state, pin3.state))
def test_composite_output_toggle():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with CompositeOutputDevice(OutputDevice(pin1), OutputDevice(pin2), foo=OutputDevice(pin3)) as device:
device.toggle()
assert all((pin1.state, pin2.state, pin3.state))
@@ -65,9 +65,9 @@ def test_composite_output_toggle():
assert not pin3.state
def test_composite_output_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with CompositeOutputDevice(OutputDevice(pin1), OutputDevice(pin2), foo=OutputDevice(pin3)) as device:
assert device.value == (0, 0, 0)
device.toggle()
@@ -78,9 +78,9 @@ def test_composite_output_value():
assert device[2].is_active
def test_led_board_on_off():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3) as board:
assert isinstance(board[0], LED)
assert isinstance(board[1], LED)
@@ -135,9 +135,9 @@ def test_led_board_on_off():
assert pin3.state
def test_led_board_active_low():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3, active_high=False) as board:
assert not board.active_high
assert not board[0].active_high
@@ -159,9 +159,9 @@ def test_led_board_active_low():
assert not pin3.state
def test_led_board_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3) as board:
assert board.value == (0, 0, 0)
board.value = (0, 1, 0)
@@ -170,9 +170,9 @@ def test_led_board_value():
assert board.value == (1, 0, 1)
def test_led_board_pwm_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3, pwm=True) as board:
assert board.value == (0, 0, 0)
board.value = (0, 1, 0)
@@ -181,9 +181,9 @@ def test_led_board_pwm_value():
assert board.value == (0.5, 0, 0.75)
def test_led_board_pwm_bad_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3, pwm=True) as board:
with pytest.raises(ValueError):
board.value = (-1, 0, 0)
@@ -191,18 +191,18 @@ def test_led_board_pwm_bad_value():
board.value = (0, 2, 0)
def test_led_board_initial_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3, initial_value=0) as board:
assert board.value == (0, 0, 0)
with LEDBoard(pin1, pin2, foo=pin3, initial_value=1) as board:
assert board.value == (1, 1, 1)
def test_led_board_pwm_initial_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, pin2, foo=pin3, pwm=True, initial_value=0) as board:
assert board.value == (0, 0, 0)
with LEDBoard(pin1, pin2, foo=pin3, pwm=True, initial_value=1) as board:
@@ -211,18 +211,18 @@ def test_led_board_pwm_initial_value():
assert board.value == (0.5, 0.5, 0.5)
def test_led_board_pwm_bad_initial_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with pytest.raises(ValueError):
LEDBoard(pin1, pin2, foo=pin3, pwm=True, initial_value=-1)
with pytest.raises(ValueError):
LEDBoard(pin1, pin2, foo=pin3, pwm=True, initial_value=2)
def test_led_board_nested():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
assert list(led.pin for led in board.leds) == [pin1, pin2, pin3]
assert board.value == (0, (0, 0))
@@ -232,9 +232,9 @@ def test_led_board_nested():
assert pin3.state
def test_led_board_bad_blink():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
with pytest.raises(ValueError):
board.blink(fade_in_time=1, fade_out_time=1)
@@ -246,9 +246,9 @@ def test_led_board_bad_blink():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_led_board_blink_background():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
# Instantiation takes a long enough time that it throws off our timing
# here!
@@ -271,9 +271,9 @@ def test_led_board_blink_background():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_led_board_blink_foreground():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
pin1.clear_states()
pin2.clear_states()
@@ -293,9 +293,9 @@ def test_led_board_blink_foreground():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_led_board_blink_control():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
pin1.clear_states()
pin2.clear_states()
@@ -321,9 +321,9 @@ def test_led_board_blink_control():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_led_board_blink_take_over():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
pin1.clear_states()
pin2.clear_states()
@@ -346,9 +346,9 @@ def test_led_board_blink_take_over():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_led_board_blink_control_all():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
pin1.clear_states()
pin2.clear_states()
@@ -371,9 +371,9 @@ def test_led_board_blink_control_all():
pin3.assert_states_and_times(test)
def test_led_board_blink_interrupt_on():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
board.blink(1, 0.1)
sleep(0.2)
@@ -383,9 +383,9 @@ def test_led_board_blink_interrupt_on():
pin3.assert_states([False, True, False])
def test_led_board_blink_interrupt_off():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3)) as board:
pin1.clear_states()
pin2.clear_states()
@@ -400,9 +400,9 @@ def test_led_board_blink_interrupt_off():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_led_board_fade_background():
pin1 = Device._pin_factory.pin(4)
pin2 = Device._pin_factory.pin(5)
pin3 = Device._pin_factory.pin(6)
pin1 = Device.pin_factory.pin(4)
pin2 = Device.pin_factory.pin(5)
pin3 = Device.pin_factory.pin(6)
with LEDBoard(pin1, LEDBoard(pin2, pin3, pwm=True), pwm=True) as board:
pin1.clear_states()
pin2.clear_states()
@@ -437,9 +437,9 @@ def test_led_board_fade_background():
pin3.assert_states_and_times(test)
def test_led_bar_graph_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBarGraph(pin1, pin2, pin3) as graph:
assert isinstance(graph[0], LED)
assert isinstance(graph[1], LED)
@@ -470,9 +470,9 @@ def test_led_bar_graph_value():
assert graph.value == -2/3
def test_led_bar_graph_active_low():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBarGraph(pin1, pin2, pin3, active_high=False) as graph:
assert not graph.active_high
assert not graph[0].active_high
@@ -492,9 +492,9 @@ def test_led_bar_graph_active_low():
assert not pin3.state and pin1.state and pin2.state
def test_led_bar_graph_pwm_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBarGraph(pin1, pin2, pin3, pwm=True) as graph:
assert isinstance(graph[0], PWMLED)
assert isinstance(graph[1], PWMLED)
@@ -519,9 +519,9 @@ def test_led_bar_graph_pwm_value():
assert graph.value == -1/2
def test_led_bar_graph_bad_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBarGraph(pin1, pin2, pin3) as graph:
with pytest.raises(ValueError):
graph.value = -2
@@ -529,9 +529,9 @@ def test_led_bar_graph_bad_value():
graph.value = 2
def test_led_bar_graph_bad_init():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with pytest.raises(TypeError):
LEDBarGraph(pin1, pin2, foo=pin3)
with pytest.raises(ValueError):
@@ -540,9 +540,9 @@ def test_led_bar_graph_bad_init():
LEDBarGraph(pin1, pin2, pin3, initial_value=2)
def test_led_bar_graph_initial_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBarGraph(pin1, pin2, pin3, initial_value=1/3) as graph:
assert graph.value == 1/3
assert pin1.state and not (pin2.state or pin3.state)
@@ -551,9 +551,9 @@ def test_led_bar_graph_initial_value():
assert pin3.state and not (pin1.state or pin2.state)
def test_led_bar_graph_pwm_initial_value():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(3)
pin3 = Device._pin_factory.pin(4)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(3)
pin3 = Device.pin_factory.pin(4)
with LEDBarGraph(pin1, pin2, pin3, pwm=True, initial_value=0.5) as graph:
assert graph.value == 0.5
assert (pin1.state, pin2.state, pin3.state) == (1, 0.5, 0)
@@ -562,17 +562,17 @@ def test_led_bar_graph_pwm_initial_value():
assert (pin1.state, pin2.state, pin3.state) == (0, 0.5, 1)
def test_led_borg():
pins = [Device._pin_factory.pin(n) for n in (17, 27, 22)]
pins = [Device.pin_factory.pin(n) for n in (17, 27, 22)]
with LedBorg() as board:
assert [device.pin for device in board._leds] == pins
def test_pi_liter():
pins = [Device._pin_factory.pin(n) for n in (4, 17, 27, 18, 22, 23, 24, 25)]
pins = [Device.pin_factory.pin(n) for n in (4, 17, 27, 18, 22, 23, 24, 25)]
with PiLiter() as board:
assert [device.pin for device in board] == pins
def test_pi_liter_graph():
pins = [Device._pin_factory.pin(n) for n in (4, 17, 27, 18, 22, 23, 24, 25)]
pins = [Device.pin_factory.pin(n) for n in (4, 17, 27, 18, 22, 23, 24, 25)]
with PiLiterBarGraph() as board:
board.value = 0.5
assert [pin.state for pin in pins] == [1, 1, 1, 1, 0, 0, 0, 0]
@@ -580,9 +580,9 @@ def test_pi_liter_graph():
assert board.value == 5/8
def test_traffic_lights():
red_pin = Device._pin_factory.pin(2)
amber_pin = Device._pin_factory.pin(3)
green_pin = Device._pin_factory.pin(4)
red_pin = Device.pin_factory.pin(2)
amber_pin = Device.pin_factory.pin(3)
green_pin = Device.pin_factory.pin(4)
with TrafficLights(red_pin, amber_pin, green_pin) as board:
board.red.on()
assert board.red.value
@@ -611,15 +611,15 @@ def test_traffic_lights():
def test_traffic_lights_bad_init():
with pytest.raises(ValueError):
TrafficLights()
red_pin = Device._pin_factory.pin(2)
amber_pin = Device._pin_factory.pin(3)
green_pin = Device._pin_factory.pin(4)
yellow_pin = Device._pin_factory.pin(5)
red_pin = Device.pin_factory.pin(2)
amber_pin = Device.pin_factory.pin(3)
green_pin = Device.pin_factory.pin(4)
yellow_pin = Device.pin_factory.pin(5)
with pytest.raises(ValueError):
TrafficLights(red=red_pin, amber=amber_pin, yellow=yellow_pin, green=green_pin)
def test_pi_traffic():
pins = [Device._pin_factory.pin(n) for n in (9, 10, 11)]
pins = [Device.pin_factory.pin(n) for n in (9, 10, 11)]
with PiTraffic() as board:
assert [device.pin for device in board] == pins
@@ -628,27 +628,27 @@ def test_pi_stop():
PiStop()
with pytest.raises(ValueError):
PiStop('E')
pins_a = [Device._pin_factory.pin(n) for n in (7, 8, 25)]
pins_a = [Device.pin_factory.pin(n) for n in (7, 8, 25)]
with PiStop('A') as board:
assert [device.pin for device in board] == pins_a
pins_aplus = [Device._pin_factory.pin(n) for n in (21, 20, 16)]
pins_aplus = [Device.pin_factory.pin(n) for n in (21, 20, 16)]
with PiStop('A+') as board:
assert [device.pin for device in board] == pins_aplus
pins_b = [Device._pin_factory.pin(n) for n in (10, 9, 11)]
pins_b = [Device.pin_factory.pin(n) for n in (10, 9, 11)]
with PiStop('B') as board:
assert [device.pin for device in board] == pins_b
pins_bplus = [Device._pin_factory.pin(n) for n in (13, 19, 26)]
pins_bplus = [Device.pin_factory.pin(n) for n in (13, 19, 26)]
with PiStop('B+') as board:
assert [device.pin for device in board] == pins_bplus
pins_c = [Device._pin_factory.pin(n) for n in (18, 15, 14)]
pins_c = [Device.pin_factory.pin(n) for n in (18, 15, 14)]
with PiStop('C') as board:
assert [device.pin for device in board] == pins_c
pins_d = [Device._pin_factory.pin(n) for n in (2, 3, 4)]
pins_d = [Device.pin_factory.pin(n) for n in (2, 3, 4)]
with PiStop('D') as board:
assert [device.pin for device in board] == pins_d
def test_snow_pi():
pins = [Device._pin_factory.pin(n) for n in (23, 24, 25, 17, 18, 22, 7, 8, 9)]
pins = [Device.pin_factory.pin(n) for n in (23, 24, 25, 17, 18, 22, 7, 8, 9)]
with SnowPi() as board:
assert [device.pin for device in board.leds] == pins
@@ -663,17 +663,17 @@ def test_snow_pi_initial_value():
assert all(device.pin.state == True for device in board.leds)
def test_snow_pi_initial_value_pwm():
pins = [Device._pin_factory.pin(n) for n in (23, 24, 25, 17, 18, 22, 7, 8, 9)]
pins = [Device.pin_factory.pin(n) for n in (23, 24, 25, 17, 18, 22, 7, 8, 9)]
with SnowPi(pwm=True, initial_value=0.5) as board:
assert [device.pin for device in board.leds] == pins
assert all(device.pin.state == 0.5 for device in board.leds)
def test_traffic_lights_buzzer():
red_pin = Device._pin_factory.pin(2)
amber_pin = Device._pin_factory.pin(3)
green_pin = Device._pin_factory.pin(4)
buzzer_pin = Device._pin_factory.pin(5)
button_pin = Device._pin_factory.pin(6)
red_pin = Device.pin_factory.pin(2)
amber_pin = Device.pin_factory.pin(3)
green_pin = Device.pin_factory.pin(4)
buzzer_pin = Device.pin_factory.pin(5)
button_pin = Device.pin_factory.pin(6)
with TrafficLightsBuzzer(
TrafficLights(red_pin, amber_pin, green_pin),
Buzzer(buzzer_pin),
@@ -688,17 +688,17 @@ def test_traffic_lights_buzzer():
assert board.button.is_active
def test_fish_dish():
pins = [Device._pin_factory.pin(n) for n in (9, 22, 4, 8, 7)]
pins = [Device.pin_factory.pin(n) for n in (9, 22, 4, 8, 7)]
with FishDish() as board:
assert [led.pin for led in board.lights] + [board.buzzer.pin, board.button.pin] == pins
def test_traffic_hat():
pins = [Device._pin_factory.pin(n) for n in (24, 23, 22, 5, 25)]
pins = [Device.pin_factory.pin(n) for n in (24, 23, 22, 5, 25)]
with TrafficHat() as board:
assert [led.pin for led in board.lights] + [board.buzzer.pin, board.button.pin] == pins
def test_robot():
pins = [Device._pin_factory.pin(n) for n in (2, 3, 4, 5)]
pins = [Device.pin_factory.pin(n) for n in (2, 3, 4, 5)]
with Robot((2, 3), (4, 5)) as robot:
assert (
[device.pin for device in robot.left_motor] +
@@ -733,12 +733,12 @@ def test_robot():
assert robot.value == (0, -0.5)
def test_ryanteck_robot():
pins = [Device._pin_factory.pin(n) for n in (17, 18, 22, 23)]
pins = [Device.pin_factory.pin(n) for n in (17, 18, 22, 23)]
with RyanteckRobot() as board:
assert [device.pin for motor in board for device in motor] == pins
def test_camjam_kit_robot():
pins = [Device._pin_factory.pin(n) for n in (9, 10, 7, 8)]
pins = [Device.pin_factory.pin(n) for n in (9, 10, 7, 8)]
with CamJamKitRobot() as board:
assert [device.pin for motor in board for device in motor] == pins
@@ -751,7 +751,7 @@ def test_energenie_bad_init():
Energenie(5)
def test_energenie():
pins = [Device._pin_factory.pin(n) for n in (17, 22, 23, 27, 24, 25)]
pins = [Device.pin_factory.pin(n) for n in (17, 22, 23, 27, 24, 25)]
with Energenie(1, initial_value=True) as device1, \
Energenie(2, initial_value=False) as device2:
assert repr(device1) == '<gpiozero.Energenie object on socket 1>'

8
tests/test_devices.py
View File

@@ -14,7 +14,7 @@ from gpiozero import *
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
# TODO add more devices tests!
@@ -32,7 +32,7 @@ def test_device_non_physical():
assert w[0].category == PinNonPhysical
def test_device_init():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with GPIODevice(pin) as device:
assert not device.closed
assert device.pin == pin
@@ -55,7 +55,7 @@ def test_device_close():
assert device.pin is None
def test_device_reopen_same_pin():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with GPIODevice(pin) as device:
pass
with GPIODevice(pin) as device2:
@@ -122,7 +122,7 @@ def test_composite_device_bad_init():
with pytest.raises(ValueError):
CompositeDevice(2)
with pytest.raises(ValueError):
CompositeDevice(Device._pin_factory.pin(2))
CompositeDevice(Device.pin_factory.pin(2))
def test_composite_device_read_only():
with CompositeDevice(

36
tests/test_inputs.py
View File

@@ -17,12 +17,12 @@ from gpiozero import *
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
Device._reservations.clear()
def test_input_initial_values():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with InputDevice(pin, pull_up=True) as device:
assert pin.function == 'input'
assert pin.pull == 'up'
@@ -32,7 +32,7 @@ def test_input_initial_values():
assert not device.pull_up
def test_input_is_active_low():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with InputDevice(pin, pull_up=True) as device:
pin.drive_high()
assert not device.is_active
@@ -42,7 +42,7 @@ def test_input_is_active_low():
assert repr(device) == '<gpiozero.InputDevice object on pin GPIO2, pull_up=True, is_active=True>'
def test_input_is_active_high():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with InputDevice(pin, pull_up=False) as device:
pin.drive_high()
assert device.is_active
@@ -52,13 +52,13 @@ def test_input_is_active_high():
assert repr(device) == '<gpiozero.InputDevice object on pin GPIO4, pull_up=False, is_active=False>'
def test_input_pulled_up():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with pytest.raises(PinFixedPull):
InputDevice(pin, pull_up=False)
def test_input_event_activated():
event = Event()
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalInputDevice(pin) as device:
device.when_activated = lambda: event.set()
assert not event.is_set()
@@ -67,7 +67,7 @@ def test_input_event_activated():
def test_input_event_deactivated():
event = Event()
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalInputDevice(pin) as device:
device.when_deactivated = lambda: event.set()
assert not event.is_set()
@@ -78,7 +78,7 @@ def test_input_event_deactivated():
def test_input_partial_callback():
event = Event()
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
def foo(a, b):
event.set()
return a + b
@@ -91,20 +91,20 @@ def test_input_partial_callback():
assert event.is_set()
def test_input_wait_active():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalInputDevice(pin) as device:
pin.drive_high()
assert device.wait_for_active(1)
assert not device.wait_for_inactive(0)
def test_input_wait_inactive():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalInputDevice(pin) as device:
assert device.wait_for_inactive(1)
assert not device.wait_for_active(0)
def test_input_smoothed_attrib():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with SmoothedInputDevice(pin, threshold=0.5, queue_len=5, partial=False) as device:
assert repr(device) == '<gpiozero.SmoothedInputDevice object on pin GPIO4, pull_up=False>'
assert device.threshold == 0.5
@@ -116,7 +116,7 @@ def test_input_smoothed_attrib():
device.threshold = 1
def test_input_smoothed_values():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with SmoothedInputDevice(pin) as device:
device._queue.start()
assert not device.is_active
@@ -126,7 +126,7 @@ def test_input_smoothed_values():
assert device.wait_for_inactive(1)
def test_input_button():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with Button(pin) as button:
assert pin.pull == 'up'
assert not button.is_pressed
@@ -138,7 +138,7 @@ def test_input_button():
assert button.wait_for_release(1)
def test_input_line_sensor():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with LineSensor(pin) as sensor:
pin.drive_low() # logic is inverted for line sensor
assert sensor.wait_for_line(1)
@@ -148,7 +148,7 @@ def test_input_line_sensor():
assert not sensor.line_detected
def test_input_motion_sensor():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with MotionSensor(pin) as sensor:
pin.drive_high()
assert sensor.wait_for_motion(1)
@@ -160,7 +160,7 @@ def test_input_motion_sensor():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_input_light_sensor():
pin = Device._pin_factory.pin(4, pin_class=MockChargingPin)
pin = Device.pin_factory.pin(4, pin_class=MockChargingPin)
with LightSensor(pin) as sensor:
pin.charge_time = 0.1
assert sensor.wait_for_dark(1)
@@ -170,8 +170,8 @@ def test_input_light_sensor():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_input_distance_sensor():
echo_pin = Device._pin_factory.pin(4)
trig_pin = Device._pin_factory.pin(5, pin_class=MockTriggerPin, echo_pin=echo_pin, echo_time=0.02)
echo_pin = Device.pin_factory.pin(4)
trig_pin = Device.pin_factory.pin(5, pin_class=MockTriggerPin, echo_pin=echo_pin, echo_time=0.02)
with pytest.raises(ValueError):
DistanceSensor(echo_pin, trig_pin, max_distance=-1)
# normal queue len is large (because the sensor is *really* jittery) but

56
tests/test_mock_pin.py
View File

@@ -16,7 +16,7 @@ from gpiozero import *
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
# Some rough tests to make sure our MockPin is up to snuff. This is just
@@ -24,11 +24,11 @@ def teardown_function(function):
def test_mock_pin_init():
with pytest.raises(ValueError):
Device._pin_factory.pin(60)
assert Device._pin_factory.pin(2).number == 2
Device.pin_factory.pin(60)
assert Device.pin_factory.pin(2).number == 2
def test_mock_pin_defaults():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
assert pin.bounce == None
assert pin.edges == 'both'
assert pin.frequency == None
@@ -37,27 +37,27 @@ def test_mock_pin_defaults():
assert pin.state == 0
assert pin.when_changed == None
pin.close()
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
assert pin.pull == 'up'
def test_mock_pin_open_close():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
pin.close()
def test_mock_pin_init_twice_same_pin():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(pin1.number)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(pin1.number)
assert pin1 is pin2
def test_mock_pin_init_twice_different_pin():
pin1 = Device._pin_factory.pin(2)
pin2 = Device._pin_factory.pin(pin1.number+1)
pin1 = Device.pin_factory.pin(2)
pin2 = Device.pin_factory.pin(pin1.number+1)
assert pin1 != pin2
assert pin1.number == 2
assert pin2.number == pin1.number+1
def test_mock_pwm_pin_defaults():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
assert pin.bounce == None
assert pin.edges == 'both'
assert pin.frequency == None
@@ -66,42 +66,42 @@ def test_mock_pwm_pin_defaults():
assert pin.state == 0
assert pin.when_changed == None
pin.close()
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
assert pin.pull == 'up'
def test_mock_pwm_pin_open_close():
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
pin.close()
def test_mock_pwm_pin_init_twice_same_pin():
pin1 = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin2 = Device._pin_factory.pin(pin1.number, pin_class=MockPWMPin)
pin1 = Device.pin_factory.pin(2, pin_class=MockPWMPin)
pin2 = Device.pin_factory.pin(pin1.number, pin_class=MockPWMPin)
assert pin1 is pin2
def test_mock_pwm_pin_init_twice_different_pin():
pin1 = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin2 = Device._pin_factory.pin(pin1.number + 1, pin_class=MockPWMPin)
pin1 = Device.pin_factory.pin(2, pin_class=MockPWMPin)
pin2 = Device.pin_factory.pin(pin1.number + 1, pin_class=MockPWMPin)
assert pin1 != pin2
assert pin1.number == 2
assert pin2.number == pin1.number+1
def test_mock_pin_init_twice_different_modes():
pin1 = Device._pin_factory.pin(2, pin_class=MockPin)
pin2 = Device._pin_factory.pin(pin1.number + 1, pin_class=MockPWMPin)
pin1 = Device.pin_factory.pin(2, pin_class=MockPin)
pin2 = Device.pin_factory.pin(pin1.number + 1, pin_class=MockPWMPin)
assert pin1 != pin2
with pytest.raises(ValueError):
Device._pin_factory.pin(pin1.number, pin_class=MockPWMPin)
Device.pin_factory.pin(pin1.number, pin_class=MockPWMPin)
with pytest.raises(ValueError):
Device._pin_factory.pin(pin2.number, pin_class=MockPin)
Device.pin_factory.pin(pin2.number, pin_class=MockPin)
def test_mock_pin_frequency_unsupported():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
pin.frequency = None
with pytest.raises(PinPWMUnsupported):
pin.frequency = 100
def test_mock_pin_frequency_supported():
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
pin.function = 'output'
assert pin.frequency is None
pin.frequency = 100
@@ -110,7 +110,7 @@ def test_mock_pin_frequency_supported():
assert not pin.state
def test_mock_pin_pull():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
pin.function = 'input'
assert pin.pull == 'floating'
pin.pull = 'up'
@@ -118,14 +118,14 @@ def test_mock_pin_pull():
pin.pull = 'down'
assert not pin.state
pin.close()
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
pin.function = 'input'
assert pin.pull == 'up'
with pytest.raises(PinFixedPull):
pin.pull = 'floating'
def test_mock_pin_state():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with pytest.raises(PinSetInput):
pin.state = 1
pin.function = 'output'
@@ -137,7 +137,7 @@ def test_mock_pin_state():
assert pin.state == 1
def test_mock_pwm_pin_state():
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with pytest.raises(PinSetInput):
pin.state = 1
pin.function = 'output'
@@ -149,7 +149,7 @@ def test_mock_pwm_pin_state():
assert pin.state == 0.5
def test_mock_pin_edges():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
assert pin.when_changed is None
fired = Event()
pin.function = 'input'

168
tests/test_outputs.py
View File

@@ -21,12 +21,12 @@ from gpiozero import *
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
Device._reservations.clear()
def test_output_initial_values():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with OutputDevice(pin, initial_value=False) as device:
assert pin.function == 'output'
assert not pin.state
@@ -37,7 +37,7 @@ def test_output_initial_values():
assert state == pin.state
def test_output_write_active_high():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with OutputDevice(pin) as device:
device.on()
assert pin.state
@@ -45,7 +45,7 @@ def test_output_write_active_high():
assert not pin.state
def test_output_write_active_low():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with OutputDevice(pin, active_high=False) as device:
device.on()
assert not pin.state
@@ -53,7 +53,7 @@ def test_output_write_active_low():
assert pin.state
def test_output_write_closed():
with OutputDevice(Device._pin_factory.pin(2)) as device:
with OutputDevice(Device.pin_factory.pin(2)) as device:
device.close()
assert device.closed
device.close()
@@ -62,14 +62,14 @@ def test_output_write_closed():
device.on()
def test_output_write_silly():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with OutputDevice(pin) as device:
pin.function = 'input'
with pytest.raises(AttributeError):
device.on()
def test_output_value():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with OutputDevice(pin) as device:
assert not device.value
assert not pin.state
@@ -81,7 +81,7 @@ def test_output_value():
assert not pin.state
def test_output_digital_toggle():
pin = Device._pin_factory.pin(2)
pin = Device.pin_factory.pin(2)
with DigitalOutputDevice(pin) as device:
assert not device.value
assert not pin.state
@@ -95,7 +95,7 @@ def test_output_digital_toggle():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_blink_background():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2)
@@ -113,7 +113,7 @@ def test_output_blink_background():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_blink_foreground():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
@@ -127,7 +127,7 @@ def test_output_blink_foreground():
])
def test_output_blink_interrupt_on():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalOutputDevice(pin) as device:
device.blink(1, 0.1)
sleep(0.2)
@@ -135,7 +135,7 @@ def test_output_blink_interrupt_on():
pin.assert_states([False, True, False])
def test_output_blink_interrupt_off():
pin = Device._pin_factory.pin(4)
pin = Device.pin_factory.pin(4)
with DigitalOutputDevice(pin) as device:
device.blink(0.1, 1)
sleep(0.2)
@@ -144,14 +144,14 @@ def test_output_blink_interrupt_off():
def test_output_pwm_bad_initial_value():
with pytest.raises(ValueError):
PWMOutputDevice(Device._pin_factory.pin(2), initial_value=2)
PWMOutputDevice(Device.pin_factory.pin(2), initial_value=2)
def test_output_pwm_not_supported():
with pytest.raises(AttributeError):
PWMOutputDevice(Device._pin_factory.pin(2))
PWMOutputDevice(Device.pin_factory.pin(2))
def test_output_pwm_states():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
device.value = 0.1
device.value = 0.2
@@ -159,7 +159,7 @@ def test_output_pwm_states():
pin.assert_states([0.0, 0.1, 0.2, 0.0])
def test_output_pwm_read():
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with PWMOutputDevice(pin, frequency=100) as device:
assert device.frequency == 100
device.value = 0.1
@@ -172,14 +172,14 @@ def test_output_pwm_read():
assert device.frequency is None
def test_output_pwm_write():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
device.on()
device.off()
pin.assert_states([False, True, False])
def test_output_pwm_toggle():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
device.toggle()
device.value = 0.5
@@ -189,7 +189,7 @@ def test_output_pwm_toggle():
pin.assert_states([False, True, 0.5, 0.1, 0.9, False])
def test_output_pwm_active_high_read():
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with PWMOutputDevice(pin, active_high=False) as device:
device.value = 0.1
assert isclose(device.value, 0.1)
@@ -198,18 +198,18 @@ def test_output_pwm_active_high_read():
assert device.value
def test_output_pwm_bad_value():
with PWMOutputDevice(Device._pin_factory.pin(2, pin_class=MockPWMPin)) as device:
with PWMOutputDevice(Device.pin_factory.pin(2, pin_class=MockPWMPin)) as device:
with pytest.raises(ValueError):
device.value = 2
def test_output_pwm_write_closed():
with PWMOutputDevice(Device._pin_factory.pin(2, pin_class=MockPWMPin)) as device:
with PWMOutputDevice(Device.pin_factory.pin(2, pin_class=MockPWMPin)) as device:
device.close()
with pytest.raises(GPIODeviceClosed):
device.on()
def test_output_pwm_write_silly():
pin = Device._pin_factory.pin(2, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
pin.function = 'input'
with pytest.raises(AttributeError):
@@ -218,7 +218,7 @@ def test_output_pwm_write_silly():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_blink_background():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2)
@@ -236,7 +236,7 @@ def test_output_pwm_blink_background():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_blink_foreground():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
@@ -252,7 +252,7 @@ def test_output_pwm_blink_foreground():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_fade_background():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2)
@@ -286,7 +286,7 @@ def test_output_pwm_fade_background():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_fade_foreground():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2, background=False)
@@ -318,7 +318,7 @@ def test_output_pwm_fade_foreground():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_pulse_background():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
start = time()
device.pulse(0.2, 0.2, n=2)
@@ -352,7 +352,7 @@ def test_output_pwm_pulse_background():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_pulse_foreground():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
start = time()
device.pulse(0.2, 0.2, n=2, background=False)
@@ -382,7 +382,7 @@ def test_output_pwm_pulse_foreground():
])
def test_output_pwm_blink_interrupt():
pin = Device._pin_factory.pin(4, pin_class=MockPWMPin)
pin = Device.pin_factory.pin(4, pin_class=MockPWMPin)
with PWMOutputDevice(pin) as device:
device.blink(1, 0.1)
sleep(0.2)
@@ -394,7 +394,7 @@ def test_rgbled_missing_pins():
RGBLED()
def test_rgbled_initial_value():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
with RGBLED(r, g, b, initial_value=(0.1, 0.2, 0)) as device:
assert r.frequency
assert g.frequency
@@ -404,24 +404,24 @@ def test_rgbled_initial_value():
assert isclose(b.state, 0.0)
def test_rgbled_initial_value_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False, initial_value=(0, 1, 1)) as device:
assert r.state == 0
assert g.state == 1
assert b.state == 1
def test_rgbled_initial_bad_value():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
with pytest.raises(ValueError):
RGBLED(r, g, b, initial_value=(0.1, 0.2, 1.2))
def test_rgbled_initial_bad_value_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with pytest.raises(ValueError):
RGBLED(r, g, b, pwm=False, initial_value=(0.1, 0.2, 0))
def test_rgbled_value():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
assert isinstance(device._leds[0], PWMLED)
assert isinstance(device._leds[1], PWMLED)
@@ -439,7 +439,7 @@ def test_rgbled_value():
assert device.value == (0.5, 0.5, 0.5)
def test_rgbled_value_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
assert isinstance(device._leds[0], LED)
assert isinstance(device._leds[1], LED)
@@ -454,7 +454,7 @@ def test_rgbled_value_nonpwm():
assert device.value == (0, 0, 0)
def test_rgbled_bad_value():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
with pytest.raises(ValueError):
device.value = (2, 0, 0)
@@ -463,7 +463,7 @@ def test_rgbled_bad_value():
device.value = (0, -1, 0)
def test_rgbled_bad_value_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
with pytest.raises(ValueError):
device.value = (2, 0, 0)
@@ -481,7 +481,7 @@ def test_rgbled_bad_value_nonpwm():
device.value = (0, 0, 0.5)
def test_rgbled_toggle():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
assert not device.is_active
assert device.value == (0, 0, 0)
@@ -493,7 +493,7 @@ def test_rgbled_toggle():
assert device.value == (0, 0, 0)
def test_rgbled_toggle_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
assert not device.is_active
assert device.value == (0, 0, 0)
@@ -505,7 +505,7 @@ def test_rgbled_toggle_nonpwm():
assert device.value == (0, 0, 0)
def test_rgbled_blink_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
with pytest.raises(ValueError):
device.blink(fade_in_time=1)
@@ -515,7 +515,7 @@ def test_rgbled_blink_nonpwm():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_blink_background():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0.1, 0.1, n=2)
@@ -536,7 +536,7 @@ def test_rgbled_blink_background():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_blink_background_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i) for i in (4, 5, 6))
with RGBLED(r, g, b, pwm=False) as device:
start = time()
device.blink(0.1, 0.1, n=2)
@@ -557,7 +557,7 @@ def test_rgbled_blink_background_nonpwm():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_blink_foreground():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
@@ -576,7 +576,7 @@ def test_rgbled_blink_foreground():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_blink_foreground_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i) for i in (4, 5, 6))
with RGBLED(r, g, b, pwm=False) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
@@ -595,7 +595,7 @@ def test_rgbled_blink_foreground_nonpwm():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_fade_background():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2)
@@ -630,7 +630,7 @@ def test_rgbled_fade_background():
b.assert_states_and_times(expected)
def test_rgbled_fade_background_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
with pytest.raises(ValueError):
device.blink(0, 0, 0.2, 0.2, n=2)
@@ -638,7 +638,7 @@ def test_rgbled_fade_background_nonpwm():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_fade_foreground():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2, background=False)
@@ -671,7 +671,7 @@ def test_rgbled_fade_foreground():
b.assert_states_and_times(expected)
def test_rgbled_fade_foreground_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
with pytest.raises(ValueError):
device.blink(0, 0, 0.2, 0.2, n=2, background=False)
@@ -679,7 +679,7 @@ def test_rgbled_fade_foreground_nonpwm():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_pulse_background():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
start = time()
device.pulse(0.2, 0.2, n=2)
@@ -714,7 +714,7 @@ def test_rgbled_pulse_background():
b.assert_states_and_times(expected)
def test_rgbled_pulse_background_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
with pytest.raises(ValueError):
device.pulse(0.2, 0.2, n=2)
@@ -722,7 +722,7 @@ def test_rgbled_pulse_background_nonpwm():
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_pulse_foreground():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
start = time()
device.pulse(0.2, 0.2, n=2, background=False)
@@ -755,13 +755,13 @@ def test_rgbled_pulse_foreground():
b.assert_states_and_times(expected)
def test_rgbled_pulse_foreground_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
with pytest.raises(ValueError):
device.pulse(0.2, 0.2, n=2, background=False)
def test_rgbled_blink_interrupt():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (4, 5, 6))
with RGBLED(r, g, b) as device:
device.blink(1, 0.1)
sleep(0.2)
@@ -771,7 +771,7 @@ def test_rgbled_blink_interrupt():
b.assert_states([0, 1, 0])
def test_rgbled_blink_interrupt_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (4, 5, 6))
r, g, b = (Device.pin_factory.pin(i) for i in (4, 5, 6))
with RGBLED(r, g, b, pwm=False) as device:
device.blink(1, 0.1)
sleep(0.2)
@@ -781,7 +781,7 @@ def test_rgbled_blink_interrupt_nonpwm():
b.assert_states([0, 1, 0])
def test_rgbled_close():
r, g, b = (Device._pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i, pin_class=MockPWMPin) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
assert not device.closed
device.close()
@@ -790,7 +790,7 @@ def test_rgbled_close():
assert device.closed
def test_rgbled_close_nonpwm():
r, g, b = (Device._pin_factory.pin(i) for i in (1, 2, 3))
r, g, b = (Device.pin_factory.pin(i) for i in (1, 2, 3))
with RGBLED(r, g, b, pwm=False) as device:
assert not device.closed
device.close()
@@ -803,8 +803,8 @@ def test_motor_missing_pins():
Motor()
def test_motor_pins():
f = Device._pin_factory.pin(1, pin_class=MockPWMPin)
b = Device._pin_factory.pin(2, pin_class=MockPWMPin)
f = Device.pin_factory.pin(1, pin_class=MockPWMPin)
b = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Motor(f, b) as device:
assert device.forward_device.pin is f
assert isinstance(device.forward_device, PWMOutputDevice)
@@ -812,8 +812,8 @@ def test_motor_pins():
assert isinstance(device.backward_device, PWMOutputDevice)
def test_motor_pins_nonpwm():
f = Device._pin_factory.pin(1)
b = Device._pin_factory.pin(2)
f = Device.pin_factory.pin(1)
b = Device.pin_factory.pin(2)
with Motor(f, b, pwm=False) as device:
assert device.forward_device.pin is f
assert isinstance(device.forward_device, DigitalOutputDevice)
@@ -821,8 +821,8 @@ def test_motor_pins_nonpwm():
assert isinstance(device.backward_device, DigitalOutputDevice)
def test_motor_close():
f = Device._pin_factory.pin(1, pin_class=MockPWMPin)
b = Device._pin_factory.pin(2, pin_class=MockPWMPin)
f = Device.pin_factory.pin(1, pin_class=MockPWMPin)
b = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Motor(f, b) as device:
device.close()
assert device.closed
@@ -832,8 +832,8 @@ def test_motor_close():
assert device.closed
def test_motor_close_nonpwm():
f = Device._pin_factory.pin(1)
b = Device._pin_factory.pin(2)
f = Device.pin_factory.pin(1)
b = Device.pin_factory.pin(2)
with Motor(f, b, pwm=False) as device:
device.close()
assert device.closed
@@ -841,8 +841,8 @@ def test_motor_close_nonpwm():
assert device.backward_device.pin is None
def test_motor_value():
f = Device._pin_factory.pin(1, pin_class=MockPWMPin)
b = Device._pin_factory.pin(2, pin_class=MockPWMPin)
f = Device.pin_factory.pin(1, pin_class=MockPWMPin)
b = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Motor(f, b) as device:
device.value = -1
assert device.is_active
@@ -866,8 +866,8 @@ def test_motor_value():
assert b.state == 0 and f.state == 0
def test_motor_value_nonpwm():
f = Device._pin_factory.pin(1)
b = Device._pin_factory.pin(2)
f = Device.pin_factory.pin(1)
b = Device.pin_factory.pin(2)
with Motor(f, b, pwm=False) as device:
device.value = -1
assert device.is_active
@@ -883,8 +883,8 @@ def test_motor_value_nonpwm():
assert b.state == 0 and f.state == 0
def test_motor_bad_value():
f = Device._pin_factory.pin(1, pin_class=MockPWMPin)
b = Device._pin_factory.pin(2, pin_class=MockPWMPin)
f = Device.pin_factory.pin(1, pin_class=MockPWMPin)
b = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Motor(f, b) as device:
with pytest.raises(ValueError):
device.value = -2
@@ -896,8 +896,8 @@ def test_motor_bad_value():
device.backward(2)
def test_motor_bad_value_nonpwm():
f = Device._pin_factory.pin(1)
b = Device._pin_factory.pin(2)
f = Device.pin_factory.pin(1)
b = Device.pin_factory.pin(2)
with Motor(f, b, pwm=False) as device:
with pytest.raises(ValueError):
device.value = -2
@@ -909,8 +909,8 @@ def test_motor_bad_value_nonpwm():
device.value = -0.5
def test_motor_reverse():
f = Device._pin_factory.pin(1, pin_class=MockPWMPin)
b = Device._pin_factory.pin(2, pin_class=MockPWMPin)
f = Device.pin_factory.pin(1, pin_class=MockPWMPin)
b = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Motor(f, b) as device:
device.forward()
assert device.value == 1
@@ -926,8 +926,8 @@ def test_motor_reverse():
assert b.state == 0 and f.state == 0.5
def test_motor_reverse_nonpwm():
f = Device._pin_factory.pin(1)
b = Device._pin_factory.pin(2)
f = Device.pin_factory.pin(1)
b = Device.pin_factory.pin(2)
with Motor(f, b, pwm=False) as device:
device.forward()
assert device.value == 1
@@ -937,13 +937,13 @@ def test_motor_reverse_nonpwm():
assert b.state == 1 and f.state == 0
def test_servo_pins():
p = Device._pin_factory.pin(1, pin_class=MockPWMPin)
p = Device.pin_factory.pin(1, pin_class=MockPWMPin)
with Servo(p) as device:
assert device.pwm_device.pin is p
assert isinstance(device.pwm_device, PWMOutputDevice)
def test_servo_bad_value():
p = Device._pin_factory.pin(1, pin_class=MockPWMPin)
p = Device.pin_factory.pin(1, pin_class=MockPWMPin)
with pytest.raises(ValueError):
Servo(p, initial_value=2)
with pytest.raises(ValueError):
@@ -952,12 +952,12 @@ def test_servo_bad_value():
Servo(p, max_pulse_width=30/1000)
def test_servo_pins_nonpwm():
p = Device._pin_factory.pin(2)
p = Device.pin_factory.pin(2)
with pytest.raises(PinPWMUnsupported):
Servo(p)
def test_servo_close():
p = Device._pin_factory.pin(2, pin_class=MockPWMPin)
p = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Servo(p) as device:
device.close()
assert device.closed
@@ -966,7 +966,7 @@ def test_servo_close():
assert device.closed
def test_servo_pulse_width():
p = Device._pin_factory.pin(2, pin_class=MockPWMPin)
p = Device.pin_factory.pin(2, pin_class=MockPWMPin)
with Servo(p, min_pulse_width=5/10000, max_pulse_width=25/10000) as device:
assert isclose(device.min_pulse_width, 5/10000)
assert isclose(device.max_pulse_width, 25/10000)
@@ -980,7 +980,7 @@ def test_servo_pulse_width():
assert device.pulse_width is None
def test_servo_values():
p = Device._pin_factory.pin(1, pin_class=MockPWMPin)
p = Device.pin_factory.pin(1, pin_class=MockPWMPin)
with Servo(p) as device:
device.min()
assert device.is_active
@@ -1007,13 +1007,13 @@ def test_servo_values():
assert device.value is None
def test_angular_servo_range():
p = Device._pin_factory.pin(1, pin_class=MockPWMPin)
p = Device.pin_factory.pin(1, pin_class=MockPWMPin)
with AngularServo(p, initial_angle=15, min_angle=0, max_angle=90) as device:
assert device.min_angle == 0
assert device.max_angle == 90
def test_angular_servo_angles():
p = Device._pin_factory.pin(1, pin_class=MockPWMPin)
p = Device.pin_factory.pin(1, pin_class=MockPWMPin)
with AngularServo(p) as device:
device.angle = 0
assert device.angle == 0

12
tests/test_pins_data.py
View File

@@ -19,9 +19,7 @@ from gpiozero import *
def test_pi_revision():
# We're not using _set_pin_factory here because we don't want to implicitly
# close the old instance, just replace it while we test stuff
with patch('gpiozero.devices.Device._pin_factory', LocalPiFactory()):
with patch('gpiozero.devices.Device.pin_factory', LocalPiFactory()):
# Can't use MockPin for this as we want something that'll actually try
# and read /proc/cpuinfo (MockPin simply parrots the 2B's data);
# LocalPiFactory is used as we can definitely instantiate it (strictly
@@ -32,20 +30,20 @@ def test_pi_revision():
assert pi_info().revision == '0002'
# LocalPiFactory caches the revision (because realistically it
# isn't going to change at runtime); we need to wipe it here though
Device._pin_factory._info = None
Device.pin_factory._info = None
m.return_value.__enter__.return_value = ['Revision: a21042']
assert pi_info().revision == 'a21042'
# Check over-volting result (some argument over whether this is 7 or
# 8 character result; make sure both work)
Device._pin_factory._info = None
Device.pin_factory._info = None
m.return_value.__enter__.return_value = ['Revision: 1000003']
assert pi_info().revision == '0003'
Device._pin_factory._info = None
Device.pin_factory._info = None
m.return_value.__enter__.return_value = ['Revision: 100003']
assert pi_info().revision == '0003'
with pytest.raises(PinUnknownPi):
m.return_value.__enter__.return_value = ['nothing', 'relevant', 'at all']
Device._pin_factory._info = None
Device.pin_factory._info = None
pi_info()
with pytest.raises(PinUnknownPi):
pi_info('0fff')

8
tests/test_real_pins.py
View File

@@ -52,9 +52,9 @@ def pin_factory(request):
except Exception as e:
pytest.skip("skipped factory %s: %s" % (request.param, str(e)))
else:
Device._set_pin_factory(factory)
Device.pin_factory = factory
def fin():
Device._set_pin_factory(MockFactory())
Device.pin_factory = MockFactory()
request.addfinalizer(fin)
return factory
@@ -147,7 +147,7 @@ def test_bad_duty_cycle(pins):
# NOTE: There's some race in RPi.GPIO that causes a segfault if we
# don't pause before starting PWM; only seems to happen when stopping
# and restarting PWM very rapidly (i.e. between test cases).
if Device._pin_factory.__class__.__name__ == 'RPiGPIOFactory':
if Device.pin_factory.__class__.__name__ == 'RPiGPIOFactory':
sleep(0.1)
test_pin.frequency = 100
except PinPWMUnsupported:
@@ -164,7 +164,7 @@ def test_duty_cycles(pins):
test_pin.function = 'output'
try:
# NOTE: see above
if Device._pin_factory.__class__.__name__ == 'RPiGPIOFactory':
if Device.pin_factory.__class__.__name__ == 'RPiGPIOFactory':
sleep(0.1)
test_pin.frequency = 100
except PinPWMUnsupported:

58
tests/test_spi.py
View File

@@ -26,80 +26,80 @@ from gpiozero import *
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
def test_spi_hardware_params():
with patch('os.open'), patch('mmap.mmap') as mmap_mmap, patch('io.open') as io_open:
mmap_mmap.return_value = array(nstr('B'), (0,) * 4096)
io_open.return_value.__enter__.return_value = ['Revision: a21042']
with patch('gpiozero.devices.Device._pin_factory', NativeFactory()), \
with patch('gpiozero.devices.Device.pin_factory', NativeFactory()), \
patch('gpiozero.pins.local.SpiDev'):
with Device._pin_factory.spi() as device:
with Device.pin_factory.spi() as device:
assert isinstance(device, LocalPiHardwareSPI)
with Device._pin_factory.spi(port=0, device=0) as device:
with Device.pin_factory.spi(port=0, device=0) as device:
assert isinstance(device, LocalPiHardwareSPI)
with Device._pin_factory.spi(port=0, device=1) as device:
with Device.pin_factory.spi(port=0, device=1) as device:
assert isinstance(device, LocalPiHardwareSPI)
with Device._pin_factory.spi(clock_pin=11) as device:
with Device.pin_factory.spi(clock_pin=11) as device:
assert isinstance(device, LocalPiHardwareSPI)
with Device._pin_factory.spi(clock_pin=11, mosi_pin=10, select_pin=8) as device:
with Device.pin_factory.spi(clock_pin=11, mosi_pin=10, select_pin=8) as device:
assert isinstance(device, LocalPiHardwareSPI)
with Device._pin_factory.spi(clock_pin=11, mosi_pin=10, select_pin=7) as device:
with Device.pin_factory.spi(clock_pin=11, mosi_pin=10, select_pin=7) as device:
assert isinstance(device, LocalPiHardwareSPI)
with Device._pin_factory.spi(shared=True) as device:
with Device.pin_factory.spi(shared=True) as device:
assert isinstance(device, LocalPiHardwareSPIShared)
with pytest.raises(ValueError):
Device._pin_factory.spi(port=1)
Device.pin_factory.spi(port=1)
with pytest.raises(ValueError):
Device._pin_factory.spi(device=2)
Device.pin_factory.spi(device=2)
with pytest.raises(ValueError):
Device._pin_factory.spi(port=0, clock_pin=12)
Device.pin_factory.spi(port=0, clock_pin=12)
with pytest.raises(ValueError):
Device._pin_factory.spi(foo='bar')
Device.pin_factory.spi(foo='bar')
def test_spi_software_params():
with patch('os.open'), patch('mmap.mmap') as mmap_mmap, patch('io.open') as io_open:
mmap_mmap.return_value = array(nstr('B'), (0,) * 4096)
io_open.return_value.__enter__.return_value = ['Revision: a21042']
with patch('gpiozero.devices.Device._pin_factory', NativeFactory()), \
with patch('gpiozero.devices.Device.pin_factory', NativeFactory()), \
patch('gpiozero.pins.local.SpiDev'):
with Device._pin_factory.spi(select_pin=6) as device:
with Device.pin_factory.spi(select_pin=6) as device:
assert isinstance(device, LocalPiSoftwareSPI)
with Device._pin_factory.spi(clock_pin=11, mosi_pin=9, miso_pin=10) as device:
with Device.pin_factory.spi(clock_pin=11, mosi_pin=9, miso_pin=10) as device:
assert isinstance(device, LocalPiSoftwareSPI)
with Device._pin_factory.spi(select_pin=6, shared=True) as device:
with Device.pin_factory.spi(select_pin=6, shared=True) as device:
assert isinstance(device, LocalPiSoftwareSPIShared)
with patch('gpiozero.devices.Device._pin_factory', NativeFactory()), \
with patch('gpiozero.devices.Device.pin_factory', NativeFactory()), \
patch('gpiozero.pins.local.SpiDev', None):
# Clear out the old factory's pins cache (this is only necessary
# because we're being very naughty switching out pin factories)
Device._pin_factory.pins.clear()
Device.pin_factory.pins.clear()
# Ensure software fallback works when SpiDev isn't present
with Device._pin_factory.spi() as device:
with Device.pin_factory.spi() as device:
assert isinstance(device, LocalPiSoftwareSPI)
def test_spi_hardware_conflict():
with patch('gpiozero.pins.local.SpiDev') as spidev:
with LED(11) as led:
with pytest.raises(GPIOPinInUse):
Device._pin_factory.spi(port=0, device=0)
Device.pin_factory.spi(port=0, device=0)
with patch('gpiozero.pins.local.SpiDev') as spidev:
with Device._pin_factory.spi(port=0, device=0) as spi:
with Device.pin_factory.spi(port=0, device=0) as spi:
with pytest.raises(GPIOPinInUse):
LED(11)
def test_spi_hardware_read():
with patch('gpiozero.pins.local.SpiDev') as spidev:
spidev.return_value.xfer2.side_effect = lambda data: list(range(10))[:len(data)]
with Device._pin_factory.spi() as device:
with Device.pin_factory.spi() as device:
assert device.read(3) == [0, 1, 2]
assert device.read(6) == list(range(6))
def test_spi_hardware_write():
with patch('gpiozero.pins.local.SpiDev') as spidev:
spidev.return_value.xfer2.side_effect = lambda data: list(range(10))[:len(data)]
with Device._pin_factory.spi() as device:
with Device.pin_factory.spi() as device:
assert device.write([0, 1, 2]) == 3
assert spidev.return_value.xfer2.called_with([0, 1, 2])
assert device.write(list(range(6))) == 6
@@ -111,7 +111,7 @@ def test_spi_hardware_modes():
spidev.return_value.lsbfirst = False
spidev.return_value.cshigh = True
spidev.return_value.bits_per_word = 8
with Device._pin_factory.spi() as device:
with Device.pin_factory.spi() as device:
assert device.clock_mode == 0
assert not device.clock_polarity
assert not device.clock_phase
@@ -139,7 +139,7 @@ def test_spi_software_read():
self.tx_word(i)
with patch('gpiozero.pins.local.SpiDev', None), \
SPISlave(11, 10, 9, 8) as slave, \
Device._pin_factory.spi() as master:
Device.pin_factory.spi() as master:
assert master.read(3) == [0, 1, 2]
assert master.read(6) == [0, 1, 2, 3, 4, 5]
slave.clock_phase = True
@@ -150,7 +150,7 @@ def test_spi_software_read():
def test_spi_software_write():
with patch('gpiozero.pins.local.SpiDev', None), \
MockSPIDevice(11, 10, 9, 8) as test_device, \
Device._pin_factory.spi() as master:
Device.pin_factory.spi() as master:
master.write([0])
assert test_device.rx_word() == 0
master.write([2, 0])
@@ -160,7 +160,7 @@ def test_spi_software_write():
def test_spi_software_clock_mode():
with patch('gpiozero.pins.local.SpiDev', None), \
Device._pin_factory.spi() as master:
Device.pin_factory.spi() as master:
assert master.clock_mode == 0
assert not master.clock_polarity
assert not master.clock_phase
@@ -178,7 +178,7 @@ def test_spi_software_clock_mode():
def test_spi_software_attr():
with patch('gpiozero.pins.local.SpiDev', None), \
Device._pin_factory.spi() as master:
Device.pin_factory.spi() as master:
assert not master.lsb_first
assert not master.select_high
assert master.bits_per_word == 8

2
tests/test_spi_devices.py
View File

@@ -21,7 +21,7 @@ from gpiozero import *
def teardown_function(function):
Device._pin_factory.reset()
Device.pin_factory.reset()
def clamp(v, min_value, max_value):
return min(max_value, max(min_value, v))