def test_can_use_context_manager_with_pin_already_exported(self):
Pin(25).export()
self.test_can_automatically_unexport_pin_with_context_manager()
def test_can_use_context_manager_with_pin_exported_by_constructor(self):
with exported(Pin(25, Pin.Out)) as p:
assert p.is_exported
p = Pin(25)
assert not p.is_exported
def test_can_automatically_unexport_pin_with_context_manager(self):
with exported(Pin(25)) as p:
assert p.is_exported
p = Pin(25)
assert not p.is_exported
def setup_method(self, method):
self.pin = Pin(25)
def test_can_export_pin_and_set_direction_on_construction(self):
p = Pin(25, Pin.Out)
assert p.is_exported
assert p.direction == Pin.Out
from quick2wire.gpio import Pin
from time import sleep
import pytest
Pins = [Pin(header_pin_number) for header_pin_number in [11, 12, 13, 15, 16, 18, 22, 7]]
def setup_module():
for pin in Pins:
pin.export()
def teardown_module():
for pin in Pins:
if pin.is_exported:
pin.unexport()
@pytest.mark.loopback
def test_gpio_loopback():
assert_outputs_seen_at_corresponding_inputs(Pins[:4], Pins[4:])
assert_outputs_seen_at_corresponding_inputs(Pins[4:], Pins[:4])
def assert_outputs_seen_at_corresponding_inputs(outputs, inputs):
for (op, ip) in zip(outputs, inputs):
assert_output_seen_at_input(op, ip)
def assert_output_seen_at_input(output_pin, input_pin):
output_pin.direction = Pin.Out
input_pin.direction = Pin.In
