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CHIP_IO/test/test_gpio_setup.py

73 lines
2.4 KiB
Python

import pytest
import os
import CHIP_IO.GPIO as GPIO
def teardown_module(module):
GPIO.cleanup()
class TestSetup:
def test_setup_output_key(self):
GPIO.setup("U14_37", GPIO.OUT)
assert os.path.exists('/sys/class/gpio/gpio138')
direction = open('/sys/class/gpio/gpio138/direction').read()
assert direction == 'out\n'
GPIO.cleanup()
def test_setup_output_name(self):
GPIO.setup("CSID6", GPIO.OUT)
assert os.path.exists('/sys/class/gpio/gpio138')
direction = open('/sys/class/gpio/gpio138/direction').read()
assert direction == 'out\n'
GPIO.cleanup()
def test_setup_input_key(self):
GPIO.setup("U14_37", GPIO.IN)
assert os.path.exists('/sys/class/gpio/gpio138')
direction = open('/sys/class/gpio/gpio138/direction').read()
assert direction == 'in\n'
GPIO.cleanup()
def test_setup_input_name(self):
GPIO.setup("CSID6", GPIO.IN)
assert os.path.exists('/sys/class/gpio/gpio138')
direction = open('/sys/class/gpio/gpio138/direction').read()
assert direction == 'in\n'
GPIO.cleanup()
def test_setup_input_pull_up(self):
GPIO.setup("U14_37", GPIO.IN, pull_up_down=GPIO.PUD_UP)
assert os.path.exists('/sys/class/gpio/gpio138')
direction = open('/sys/class/gpio/gpio138/direction').read()
assert direction == 'in\n'
GPIO.cleanup()
def test_setup_input_pull_down(self):
GPIO.setup("U14_37", GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
assert os.path.exists('/sys/class/gpio/gpio138')
direction = open('/sys/class/gpio/gpio138/direction').read()
assert direction == 'in\n'
GPIO.cleanup()
def test_setup_cleanup(self):
GPIO.setup("U14_37", GPIO.OUT)
assert os.path.exists('/sys/class/gpio/gpio138')
GPIO.cleanup()
assert not os.path.exists('/sys/class/gpio/gpio138')
def test_setup_failed_type_error(self):
with pytest.raises(TypeError):
GPIO.setup("U14_37", "WEIRD")
GPIO.cleanup()
def test_setup_failed_value_error(self):
with pytest.raises(ValueError):
GPIO.setup("U14_37", 3)
GPIO.cleanup()
def test_setup_expanded_gpio(self):
GPIO.setup("XIO-P1", GPIO.OUT)
assert os.path.exists('/sys/class/gpio/gpio409')
GPIO.cleanup()
assert not os.path.exists('/sys/class/gpio/gpio409')