input-remapper/tests/testcases/injector.py
2020-11-19 11:40:15 +01:00

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 unittest
import evdev
from keymapper.injector import _start_injecting_worker, _grab, \
is_numlock_on, toggle_numlock, ensure_numlock, _modify_capabilities, \
KeycodeInjector
from keymapper.getdevices import get_devices
from keymapper.state import custom_mapping, system_mapping
from test import uinput_write_history, Event, pending_events, fixtures
class TestInjector(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.injector = None
cls.grab = evdev.InputDevice.grab
def setUp(self):
self.failed = 0
def grab_fail_twice(_):
if self.failed < 2:
self.failed += 1
raise OSError()
evdev.InputDevice.grab = grab_fail_twice
def tearDown(self):
if self.injector is not None:
self.injector.stop_injecting()
self.injector = None
evdev.InputDevice.grab = self.grab
def test_modify_capabilities(self):
class FakeDevice:
def capabilities(self, absinfo=True):
assert absinfo is False
return {
evdev.ecodes.EV_SYN: [1, 2, 3],
evdev.ecodes.EV_FF: [1, 2, 3]
}
capabilities = _modify_capabilities(FakeDevice())
self.assertIn(evdev.ecodes.EV_KEY, capabilities)
self.assertIsInstance(capabilities[evdev.ecodes.EV_KEY], list)
self.assertIsInstance(capabilities[evdev.ecodes.EV_KEY][0], int)
self.assertNotIn(evdev.ecodes.EV_SYN, capabilities)
self.assertNotIn(evdev.ecodes.EV_FF, capabilities)
def test_grab(self):
# path is from the fixtures
path = '/dev/input/event11'
device = _grab(path)
self.assertEqual(self.failed, 2)
# success on the third try
device.name = fixtures[path]['name']
def test_numlock(self):
before = is_numlock_on()
toggle_numlock() # should change
self.assertEqual(not before, is_numlock_on())
@ensure_numlock
def wrapped():
toggle_numlock()
return 1234
wrapped() # should not change
self.assertEqual(not before, is_numlock_on())
# toggle one more time to restore the previous configuration
toggle_numlock()
self.assertEqual(before, is_numlock_on())
def test_injector_constructor(self):
global pending_events
# this buys some time to test if the process is alive. 2 (20ms) would
# already be enough
pending_events['device 2'] = [Event(1, 1, 1)] * 10
injector2 = KeycodeInjector('device 2')
self.assertEqual(len(injector2.processes), 1)
self.assertEqual(injector2.processes[0].is_alive(), True)
injector2.processes[0].join()
def test_injector(self):
device = get_devices()['device 2']
custom_mapping.change(9, 'a')
# one mapping that is unknown in the system_mapping on purpose
custom_mapping.change(10, 'b')
system_mapping.empty()
system_mapping.change(100, 'a')
# the second arg of those event objects is 8 lower than the
# keycode used in X and in the mappings
pending_events['device 2'] = [
Event(evdev.events.EV_KEY, 1, 0),
Event(evdev.events.EV_KEY, 1, 1),
# ignored because unknown to the system
Event(evdev.events.EV_KEY, 2, 0),
Event(evdev.events.EV_KEY, 2, 1),
# just pass those over without modifying
Event(3124, 3564, 6542),
]
class FakePipe:
def send(self, message):
pass
_start_injecting_worker(
path=device['paths'][0],
pipe=FakePipe()
)
self.assertEqual(uinput_write_history[0].type, evdev.events.EV_KEY)
self.assertEqual(uinput_write_history[0].code, 92)
self.assertEqual(uinput_write_history[0].value, 0)
self.assertEqual(uinput_write_history[1].type, evdev.events.EV_KEY)
self.assertEqual(uinput_write_history[1].code, 92)
self.assertEqual(uinput_write_history[1].value, 1)
self.assertEqual(uinput_write_history[2].type, 3124)
self.assertEqual(uinput_write_history[2].code, 3564)
self.assertEqual(uinput_write_history[2].value, 6542)
if __name__ == "__main__":
unittest.main()