mirror of
https://github.com/sezanzeb/input-remapper
synced 2024-11-04 12:00:16 +00:00
158 lines
5.1 KiB
Python
158 lines
5.1 KiB
Python
#!/usr/bin/python3
|
|
# -*- coding: utf-8 -*-
|
|
# key-mapper - GUI for device specific keyboard mappings
|
|
# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
|
|
#
|
|
# This file is part of key-mapper.
|
|
#
|
|
# key-mapper is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# key-mapper 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 key-mapper. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
|
|
import os
|
|
import grp
|
|
import getpass
|
|
import subprocess
|
|
import unittest
|
|
|
|
from keymapper.dev.permissions import check_injection_rights, check_group, \
|
|
can_read_devices
|
|
from keymapper.paths import USER
|
|
|
|
|
|
original_access = os.access
|
|
original_getgrnam = grp.getgrnam
|
|
original_check_output = subprocess.check_output
|
|
original_stat = os.stat
|
|
oringal_getuser = getpass.getuser
|
|
|
|
|
|
class TestCheckGroup(unittest.TestCase):
|
|
def tearDown(self):
|
|
# reset all fakes
|
|
os.access = original_access
|
|
grp.getgrnam = original_getgrnam
|
|
subprocess.check_output = original_check_output
|
|
os.stat = original_stat
|
|
getpass.getuser = oringal_getuser
|
|
|
|
def test_check_injection_rights(self):
|
|
can_access = False
|
|
os.access = lambda *args: can_access
|
|
|
|
self.assertIsNotNone(check_injection_rights())
|
|
can_access = True
|
|
self.assertIsNone(check_injection_rights())
|
|
|
|
def fake_setup(self):
|
|
"""Patch some functions to have the following fake environment:
|
|
|
|
Groups
|
|
------
|
|
input: id: 0, members: $USER, used in /dev, set up
|
|
plugdev: id: 1, members: $USER, used in /dev, not in `groups`
|
|
foobar: id: 2, no members, used in /dev
|
|
a_unused: id: 0, members: $USER, not used in /dev, set up
|
|
b_unused: id: 1, members: $USER, not used in /dev, not in `groups`
|
|
c_unused: id: 2, no members, not used in /dev
|
|
"""
|
|
gr_mems = {
|
|
'input': (0, [USER]),
|
|
'plugdev': (1, [USER]),
|
|
'foobar': (2, []),
|
|
'a_unused': (3, [USER]),
|
|
'b_unused': (4, [USER]),
|
|
'c_unused': (5, [])
|
|
}
|
|
|
|
stat_counter = 0
|
|
|
|
class stat:
|
|
def __init__(self, path):
|
|
nonlocal stat_counter
|
|
stat_counter += 1
|
|
# make sure stat returns all of those groups at some point.
|
|
# only works if there are more than three files in /dev, which
|
|
# should be the case
|
|
self.st_gid = [0, 1, 2][stat_counter % 3]
|
|
|
|
os.stat = stat
|
|
|
|
class getgrnam:
|
|
def __init__(self, group):
|
|
if group not in gr_mems:
|
|
raise KeyError()
|
|
|
|
self.gr_gid = gr_mems[group][0]
|
|
self.gr_mem = gr_mems[group][1]
|
|
|
|
grp.getgrnam = getgrnam
|
|
# fake the `groups` output to act like the current session only
|
|
# has input and a_unused active
|
|
subprocess.check_output = lambda cmd: b'foo input a_unused bar'
|
|
|
|
def test_can_read_devices(self):
|
|
self.fake_setup()
|
|
|
|
# root user doesn't need this stuff
|
|
getpass.getuser = lambda: 'root'
|
|
self.assertEqual(len(can_read_devices()), 0)
|
|
|
|
getpass.getuser = lambda: USER
|
|
os.access = lambda *args: False
|
|
# plugdev not yet setup correctly and cannot write
|
|
self.assertEqual(len(can_read_devices()), 2)
|
|
|
|
os.access = lambda *args: True
|
|
self.assertEqual(len(can_read_devices()), 1)
|
|
|
|
subprocess.check_output = lambda cmd: b'plugdev input'
|
|
self.assertEqual(len(can_read_devices()), 0)
|
|
|
|
def test_check_group(self):
|
|
self.fake_setup()
|
|
|
|
# correctly setup
|
|
self.assertIsNone(check_group('input'))
|
|
|
|
# session restart required, usermod already done
|
|
self.assertIsNotNone(check_group('plugdev'))
|
|
self.assertIn('plugdev', check_group('plugdev'))
|
|
self.assertNotIn('usermod', check_group('plugdev'))
|
|
|
|
# usermod required
|
|
self.assertIsNotNone(check_group('foobar'))
|
|
self.assertIn('foobar', check_group('foobar'))
|
|
self.assertIn('usermod', check_group('foobar'))
|
|
|
|
# don't exist in /dev
|
|
self.assertIsNone(check_group('a_unused'))
|
|
self.assertIsNone(check_group('b_unused'))
|
|
self.assertIsNone(check_group('c_unused'))
|
|
|
|
# group doesn't exist
|
|
self.assertIsNone(check_group('qux'))
|
|
|
|
def file_not_found_error(cmd):
|
|
raise FileNotFoundError()
|
|
subprocess.check_output = file_not_found_error
|
|
|
|
# groups command doesn't exist, so cannot check this suff
|
|
self.assertIsNone(check_group('plugdev'))
|
|
# which doesn't affect the grp lib
|
|
self.assertIsNotNone(check_group('foobar'))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|