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# Copyright (C) 2020-2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from unittest import TestCase
from vyos.utils.system import find_device_file
class TestDeviceFile(TestCase):
""" used to find USB devices on target """
def setUp(self):
pass
def test_null(self):
self.assertEqual(find_device_file('null'), '/dev/null')
def test_zero(self):
self.assertEqual(find_device_file('zero'), '/dev/zero')
def test_non_existing(self):
self.assertFalse(find_device_file('vyos'))
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