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# SPDX-License-Identifier: GPL-2.0-or-later
# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
import gpiod
import os
import unittest
from . import gpiosim
from .helpers import LinkGuard
from unittest import TestCase
class IsGPIOChip(TestCase):
def test_is_gpiochip_bad(self):
self.assertFalse(gpiod.is_gpiochip_device("/dev/null"))
self.assertFalse(gpiod.is_gpiochip_device("/dev/nonexistent"))
def test_is_gpiochip_invalid_argument(self):
with self.assertRaises(TypeError):
gpiod.is_gpiochip_device(4)
def test_is_gpiochip_superfluous_argument(self):
with self.assertRaises(TypeError):
gpiod.is_gpiochip_device("/dev/null", 4)
def test_is_gpiochip_missing_argument(self):
with self.assertRaises(TypeError):
gpiod.is_gpiochip_device()
def test_is_gpiochip_good(self):
sim = gpiosim.Chip()
self.assertTrue(gpiod.is_gpiochip_device(sim.dev_path))
def test_is_gpiochip_good_keyword_argument(self):
sim = gpiosim.Chip()
self.assertTrue(gpiod.is_gpiochip_device(path=sim.dev_path))
def test_is_gpiochip_link_good(self):
link = "/tmp/gpiod-py-test-link.{}".format(os.getpid())
sim = gpiosim.Chip()
with LinkGuard(sim.dev_path, link):
self.assertTrue(gpiod.is_gpiochip_device(link))
def test_is_gpiochip_link_bad(self):
link = "/tmp/gpiod-py-test-link.{}".format(os.getpid())
with LinkGuard("/dev/null", link):
self.assertFalse(gpiod.is_gpiochip_device(link))
class VersionString(TestCase):
VERSION_PATTERN = "^\\d+\\.\\d+(\\.\\d+|\\-devel|\\-rc\\d+)?$"
def test_api_version_string(self):
self.assertRegex(gpiod.api_version, VersionString.VERSION_PATTERN)
def test_module_version(self):
self.assertRegex(gpiod.__version__, VersionString.VERSION_PATTERN)
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