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https://github.com/sezanzeb/input-remapper
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* Run linters and unit tests with github actions * Reformat with black, 22.1.0 (compiled: yes) * Remove native deps as should no longer be needed * Remove pylint from workflows * Remove unused Gtk dependency in test_daemon.py * Install subset of python deps with apt-get for ci
464 lines
16 KiB
Python
464 lines
16 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# input-remapper - GUI for device specific keyboard mappings
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# Copyright (C) 2022 sezanzeb <proxima@sezanzeb.de>
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#
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# This file is part of input-remapper.
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#
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# input-remapper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# input-remapper is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with input-remapper. If not, see <https://www.gnu.org/licenses/>.
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import os
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import unittest
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import time
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import subprocess
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import json
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import evdev
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from evdev.ecodes import EV_KEY, EV_ABS, KEY_B, KEY_A
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from pydbus import SystemBus
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from inputremapper.configs.system_mapping import system_mapping
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from inputremapper.gui.active_preset import active_preset
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from inputremapper.configs.global_config import global_config
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from inputremapper.groups import groups
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from inputremapper.configs.paths import get_config_path, mkdir, get_preset_path
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from inputremapper.event_combination import EventCombination
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from inputremapper.configs.preset import Preset
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from inputremapper.injection.injector import STARTING, RUNNING, STOPPED, UNKNOWN
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from inputremapper.daemon import Daemon
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from tests.test import (
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cleanup,
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uinput_write_history_pipe,
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new_event,
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push_events,
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is_service_running,
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fixtures,
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tmp,
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)
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check_output = subprocess.check_output
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os_system = os.system
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dbus_get = type(SystemBus()).get
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class TestDaemon(unittest.TestCase):
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new_fixture_path = "/dev/input/event9876"
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def setUp(self):
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self.grab = evdev.InputDevice.grab
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self.daemon = None
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mkdir(get_config_path())
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global_config._save_config()
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def tearDown(self):
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# avoid race conditions with other tests, daemon may run processes
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if self.daemon is not None:
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self.daemon.stop_all()
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self.daemon = None
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evdev.InputDevice.grab = self.grab
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subprocess.check_output = check_output
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os.system = os_system
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type(SystemBus()).get = dbus_get
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cleanup()
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def test_connect(self):
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os_system_history = []
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os.system = os_system_history.append
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self.assertFalse(is_service_running())
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# no daemon runs, should try to run it via pkexec instead.
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# It fails due to the patch on os.system and therefore exits the process
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self.assertRaises(SystemExit, Daemon.connect)
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self.assertEqual(len(os_system_history), 1)
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self.assertIsNone(Daemon.connect(False))
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# make the connect command work this time by acting like a connection is
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# available:
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set_config_dir_callcount = 0
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class FakeConnection:
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def set_config_dir(self, *args, **kwargs):
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nonlocal set_config_dir_callcount
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set_config_dir_callcount += 1
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type(SystemBus()).get = lambda *args, **kwargs: FakeConnection()
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self.assertIsInstance(Daemon.connect(), FakeConnection)
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self.assertEqual(set_config_dir_callcount, 1)
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self.assertIsInstance(Daemon.connect(False), FakeConnection)
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self.assertEqual(set_config_dir_callcount, 2)
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def test_daemon(self):
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# remove the existing system mapping to force our own into it
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if os.path.exists(get_config_path("xmodmap.json")):
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os.remove(get_config_path("xmodmap.json"))
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ev_1 = (EV_KEY, 9)
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ev_2 = (EV_ABS, 12)
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group = groups.find(name="Bar Device")
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# unrelated group that shouldn't be affected at all
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group2 = groups.find(name="gamepad")
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active_preset.change(EventCombination([*ev_1, 1]), "keyboard", "a")
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active_preset.change(EventCombination([*ev_2, -1]), "keyboard", "b")
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preset = "foo"
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active_preset.save(group.get_preset_path(preset))
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global_config.set_autoload_preset(group.key, preset)
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"""injection 1"""
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# should forward the event unchanged
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push_events(group.key, [new_event(EV_KEY, 13, 1)])
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self.daemon = Daemon()
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self.assertFalse(uinput_write_history_pipe[0].poll())
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self.daemon.start_injecting(group.key, preset)
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self.assertEqual(self.daemon.get_state(group.key), STARTING)
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self.assertEqual(self.daemon.get_state(group2.key), UNKNOWN)
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event = uinput_write_history_pipe[0].recv()
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self.assertEqual(self.daemon.get_state(group.key), RUNNING)
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self.assertEqual(event.type, EV_KEY)
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self.assertEqual(event.code, 13)
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self.assertEqual(event.value, 1)
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self.daemon.stop_injecting(group.key)
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self.assertEqual(self.daemon.get_state(group.key), STOPPED)
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time.sleep(0.1)
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try:
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self.assertFalse(uinput_write_history_pipe[0].poll())
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except AssertionError:
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print("Unexpected", uinput_write_history_pipe[0].recv())
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# possibly a duplicate write!
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raise
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"""injection 2"""
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# -1234 will be classified as -1 by the injector
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push_events(group.key, [new_event(*ev_2, -1234)])
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self.daemon.start_injecting(group.key, preset)
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time.sleep(0.1)
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self.assertTrue(uinput_write_history_pipe[0].poll())
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# the written key is a key-down event, not the original
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# event value of -1234
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event = uinput_write_history_pipe[0].recv()
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self.assertEqual(event.type, EV_KEY)
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self.assertEqual(event.code, KEY_B)
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self.assertEqual(event.value, 1)
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def test_config_dir(self):
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global_config.set("foo", "bar")
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self.assertEqual(global_config.get("foo"), "bar")
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# freshly loads the config and therefore removes the previosly added key.
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# This is important so that if the service is started via sudo or pkexec
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# it knows where to look for configuration files.
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self.daemon = Daemon()
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self.assertEqual(self.daemon.config_dir, get_config_path())
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self.assertIsNone(global_config.get("foo"))
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def test_refresh_on_start(self):
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if os.path.exists(get_config_path("xmodmap.json")):
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os.remove(get_config_path("xmodmap.json"))
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ev = (EV_KEY, 9)
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group_name = "9876 name"
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# expected key of the group
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group_key = group_name
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group = groups.find(name=group_name)
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# this test only makes sense if this device is unknown yet
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self.assertIsNone(group)
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active_preset.change(EventCombination([*ev, 1]), "keyboard", "a")
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system_mapping.clear()
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system_mapping._set("a", KEY_A)
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# make the daemon load the file instead
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with open(get_config_path("xmodmap.json"), "w") as file:
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json.dump(system_mapping._mapping, file, indent=4)
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system_mapping.clear()
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preset = "foo"
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active_preset.save(get_preset_path(group_name, preset))
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global_config.set_autoload_preset(group_key, preset)
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push_events(group_key, [new_event(*ev, 1)])
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self.daemon = Daemon()
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# make sure the devices are populated
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groups.refresh()
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# the daemon is supposed to find this device by calling refresh
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fixtures[self.new_fixture_path] = {
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"capabilities": {evdev.ecodes.EV_KEY: [ev[1]]},
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"phys": "9876 phys",
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"info": evdev.device.DeviceInfo(4, 5, 6, 7),
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"name": group_name,
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}
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self.daemon.start_injecting(group_key, preset)
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# test if the injector called groups.refresh successfully
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group = groups.find(key=group_key)
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self.assertEqual(group.name, group_name)
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self.assertEqual(group.key, group_key)
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time.sleep(0.1)
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self.assertTrue(uinput_write_history_pipe[0].poll())
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event = uinput_write_history_pipe[0].recv()
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self.assertEqual(event.t, (EV_KEY, KEY_A, 1))
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self.daemon.stop_injecting(group_key)
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self.assertEqual(self.daemon.get_state(group_key), STOPPED)
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def test_refresh_for_unknown_key(self):
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device = "9876 name"
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# this test only makes sense if this device is unknown yet
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self.assertIsNone(groups.find(name=device))
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self.daemon = Daemon()
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# make sure the devices are populated
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groups.refresh()
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self.daemon.refresh()
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fixtures[self.new_fixture_path] = {
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"capabilities": {evdev.ecodes.EV_KEY: [evdev.ecodes.KEY_A]},
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"phys": "9876 phys",
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"info": evdev.device.DeviceInfo(4, 5, 6, 7),
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"name": device,
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}
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self.daemon._autoload("25v7j9q4vtj")
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# this is unknown, so the daemon will scan the devices again
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# test if the injector called groups.refresh successfully
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self.assertIsNotNone(groups.find(name=device))
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def test_xmodmap_file(self):
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from_keycode = evdev.ecodes.KEY_A
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target = "keyboard"
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to_name = "qux"
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to_keycode = 100
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event = (EV_KEY, from_keycode, 1)
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name = "Bar Device"
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preset = "foo"
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group = groups.find(name=name)
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config_dir = os.path.join(tmp, "foo")
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path = os.path.join(config_dir, "presets", name, f"{preset}.json")
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active_preset.change(EventCombination(event), target, to_name)
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active_preset.save(path)
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system_mapping.clear()
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push_events(group.key, [new_event(*event)])
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# an existing config file is needed otherwise set_config_dir refuses
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# to use the directory
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config_path = os.path.join(config_dir, "config.json")
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global_config.path = config_path
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global_config._save_config()
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xmodmap_path = os.path.join(config_dir, "xmodmap.json")
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with open(xmodmap_path, "w") as file:
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file.write(f'{{"{to_name}":{to_keycode}}}')
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self.daemon = Daemon()
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self.daemon.set_config_dir(config_dir)
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self.daemon.start_injecting(group.key, preset)
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time.sleep(0.1)
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self.assertTrue(uinput_write_history_pipe[0].poll())
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event = uinput_write_history_pipe[0].recv()
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self.assertEqual(event.type, EV_KEY)
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self.assertEqual(event.code, to_keycode)
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self.assertEqual(event.value, 1)
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def test_start_stop(self):
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group = groups.find(key="Foo Device 2")
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preset = "preset8"
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daemon = Daemon()
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self.daemon = daemon
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mapping = Preset()
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mapping.change(EventCombination([3, 2, 1]), "keyboard", "a")
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mapping.save(group.get_preset_path(preset))
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# start
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daemon.start_injecting(group.key, preset)
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# explicit start, not autoload, so the history stays empty
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self.assertNotIn(group.key, daemon.autoload_history._autoload_history)
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self.assertTrue(daemon.autoload_history.may_autoload(group.key, preset))
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# path got translated to the device name
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self.assertIn(group.key, daemon.injectors)
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# start again
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previous_injector = daemon.injectors[group.key]
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self.assertNotEqual(previous_injector.get_state(), STOPPED)
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daemon.start_injecting(group.key, preset)
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self.assertNotIn(group.key, daemon.autoload_history._autoload_history)
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self.assertTrue(daemon.autoload_history.may_autoload(group.key, preset))
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self.assertIn(group.key, daemon.injectors)
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self.assertEqual(previous_injector.get_state(), STOPPED)
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# a different injetor is now running
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self.assertNotEqual(previous_injector, daemon.injectors[group.key])
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self.assertNotEqual(daemon.injectors[group.key].get_state(), STOPPED)
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# trying to inject a non existing preset keeps the previous inejction
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# alive
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injector = daemon.injectors[group.key]
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daemon.start_injecting(group.key, "qux")
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self.assertEqual(injector, daemon.injectors[group.key])
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self.assertNotEqual(daemon.injectors[group.key].get_state(), STOPPED)
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# trying to start injecting for an unknown device also just does
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# nothing
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daemon.start_injecting("quux", "qux")
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self.assertNotEqual(daemon.injectors[group.key].get_state(), STOPPED)
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# after all that stuff autoload_history is still unharmed
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self.assertNotIn(group.key, daemon.autoload_history._autoload_history)
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self.assertTrue(daemon.autoload_history.may_autoload(group.key, preset))
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# stop
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daemon.stop_injecting(group.key)
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self.assertNotIn(group.key, daemon.autoload_history._autoload_history)
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self.assertEqual(daemon.injectors[group.key].get_state(), STOPPED)
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self.assertTrue(daemon.autoload_history.may_autoload(group.key, preset))
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def test_autoload(self):
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preset = "preset7"
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group = groups.find(key="Foo Device 2")
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daemon = Daemon()
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self.daemon = daemon
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mapping = Preset()
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mapping.change(EventCombination([3, 2, 1]), "keyboard", "a")
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mapping.save(group.get_preset_path(preset))
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# no autoloading is configured yet
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self.daemon._autoload(group.key)
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self.assertNotIn(group.key, daemon.autoload_history._autoload_history)
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self.assertTrue(daemon.autoload_history.may_autoload(group.key, preset))
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global_config.set_autoload_preset(group.key, preset)
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len_before = len(self.daemon.autoload_history._autoload_history)
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# now autoloading is configured, so it will autoload
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self.daemon._autoload(group.key)
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len_after = len(self.daemon.autoload_history._autoload_history)
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self.assertEqual(
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daemon.autoload_history._autoload_history[group.key][1], preset
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)
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self.assertFalse(daemon.autoload_history.may_autoload(group.key, preset))
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injector = daemon.injectors[group.key]
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self.assertEqual(len_before + 1, len_after)
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# calling duplicate _autoload does nothing
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self.daemon._autoload(group.key)
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self.assertEqual(
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daemon.autoload_history._autoload_history[group.key][1], preset
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)
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self.assertEqual(injector, daemon.injectors[group.key])
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self.assertFalse(daemon.autoload_history.may_autoload(group.key, preset))
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# explicit start_injecting clears the autoload history
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self.daemon.start_injecting(group.key, preset)
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self.assertTrue(daemon.autoload_history.may_autoload(group.key, preset))
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# calling autoload for (yet) unknown devices does nothing
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len_before = len(self.daemon.autoload_history._autoload_history)
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self.daemon._autoload("unknown-key-1234")
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len_after = len(self.daemon.autoload_history._autoload_history)
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self.assertEqual(len_before, len_after)
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# autoloading input-remapper devices does nothing
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len_before = len(self.daemon.autoload_history._autoload_history)
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self.daemon.autoload_single("Bar Device")
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len_after = len(self.daemon.autoload_history._autoload_history)
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self.assertEqual(len_before, len_after)
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def test_autoload_2(self):
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self.daemon = Daemon()
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history = self.daemon.autoload_history._autoload_history
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# existing device
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preset = "preset7"
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group = groups.find(key="Foo Device 2")
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mapping = Preset()
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mapping.change(EventCombination([3, 2, 1]), "keyboard", "a")
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mapping.save(group.get_preset_path(preset))
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global_config.set_autoload_preset(group.key, preset)
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# ignored, won't cause problems:
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global_config.set_autoload_preset("non-existant-key", "foo")
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self.daemon.autoload()
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self.assertEqual(len(history), 1)
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self.assertEqual(history[group.key][1], preset)
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def test_autoload_3(self):
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# based on a bug
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preset = "preset7"
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group = groups.find(key="Foo Device 2")
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mapping = Preset()
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mapping.change(EventCombination([3, 2, 1]), "keyboard", "a")
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mapping.save(group.get_preset_path(preset))
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global_config.set_autoload_preset(group.key, preset)
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self.daemon = Daemon()
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groups.set_groups([]) # caused the bug
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self.assertIsNone(groups.find(key="Foo Device 2"))
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self.daemon.autoload()
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# it should try to refresh the groups because all the
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# group_keys are unknown at the moment
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history = self.daemon.autoload_history._autoload_history
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self.assertEqual(history[group.key][1], preset)
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self.assertEqual(self.daemon.get_state(group.key), STARTING)
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self.assertIsNotNone(groups.find(key="Foo Device 2"))
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if __name__ == "__main__":
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unittest.main()
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