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611 lines
22 KiB
Python
611 lines
22 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper 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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# key-mapper 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 key-mapper. If not, see <https://www.gnu.org/licenses/>.
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import unittest
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import time
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import copy
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import evdev
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from evdev.ecodes import EV_REL, EV_KEY, EV_ABS, ABS_HAT0X, BTN_LEFT, KEY_A
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from keymapper.dev.injector import is_numlock_on, set_numlock, \
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ensure_numlock, KeycodeInjector, is_in_capabilities
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from keymapper.state import custom_mapping, system_mapping
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from keymapper.mapping import Mapping, DISABLE_CODE, DISABLE_NAME
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from keymapper.config import config
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from keymapper.key import Key
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from keymapper.dev.macros import parse
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from keymapper.dev import utils
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from tests.test import InputEvent, pending_events, fixtures, \
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EVENT_READ_TIMEOUT, uinput_write_history_pipe, \
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MAX_ABS, cleanup, read_write_history_pipe, InputDevice
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original_smeab = utils.should_map_event_as_btn
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class TestInjector(unittest.TestCase):
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new_gamepad = '/dev/input/event100'
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@classmethod
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def setUpClass(cls):
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cls.injector = None
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cls.grab = evdev.InputDevice.grab
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def setUp(self):
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self.failed = 0
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self.make_it_fail = 2
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def grab_fail_twice(_):
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if self.failed < self.make_it_fail:
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self.failed += 1
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raise OSError()
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evdev.InputDevice.grab = grab_fail_twice
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def tearDown(self):
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utils.should_map_event_as_btn = original_smeab
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if self.injector is not None:
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self.injector.stop_injecting()
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self.injector = None
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evdev.InputDevice.grab = self.grab
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cleanup()
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def test_modify_capabilities(self):
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class FakeDevice:
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def capabilities(self, absinfo=True):
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assert absinfo is False
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return {
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evdev.ecodes.EV_SYN: [1, 2, 3],
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evdev.ecodes.EV_FF: [1, 2, 3],
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evdev.ecodes.EV_ABS: [1, 2, 3]
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}
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mapping = Mapping()
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mapping.change(Key(EV_KEY, 80, 1), 'a')
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mapping.change(Key(EV_KEY, 81, 1), DISABLE_NAME)
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macro_code = 'r(2, m(sHiFt_l, r(2, k(1).k(2))))'
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macro = parse(macro_code, mapping)
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mapping.change(Key(EV_KEY, 60, 111), macro_code)
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# going to be ignored, because EV_REL cannot be mapped, that's
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# mouse movements.
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mapping.change(Key(EV_REL, 1234, 3), 'b')
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a = system_mapping.get('a')
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shift_l = system_mapping.get('ShIfT_L')
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one = system_mapping.get(1)
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two = system_mapping.get('2')
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btn_left = system_mapping.get('BtN_lEfT')
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self.injector = KeycodeInjector('foo', mapping)
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fake_device = FakeDevice()
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capabilities_1 = self.injector._modify_capabilities(
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{60: macro},
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fake_device,
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abs_to_rel=False
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)
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self.assertIn(EV_KEY, capabilities_1)
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keys = capabilities_1[EV_KEY]
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self.assertIn(a, keys)
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self.assertIn(one, keys)
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self.assertIn(two, keys)
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self.assertIn(shift_l, keys)
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self.assertNotIn(DISABLE_CODE, keys)
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# abs_to_rel is false, so mouse capabilities are not needed
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self.assertNotIn(btn_left, keys)
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self.assertNotIn(evdev.ecodes.EV_SYN, capabilities_1)
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self.assertNotIn(evdev.ecodes.EV_FF, capabilities_1)
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self.assertNotIn(evdev.ecodes.EV_REL, capabilities_1)
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self.assertNotIn(evdev.ecodes.EV_ABS, capabilities_1)
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# abs_to_rel makes sure that BTN_LEFT is present
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capabilities_2 = self.injector._modify_capabilities(
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{60: macro},
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fake_device,
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abs_to_rel=True
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)
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keys = capabilities_2[EV_KEY]
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self.assertIn(a, keys)
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self.assertIn(one, keys)
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self.assertIn(two, keys)
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self.assertIn(shift_l, keys)
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self.assertIn(btn_left, keys)
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def test_grab(self):
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# path is from the fixtures
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custom_mapping.change(Key(EV_KEY, 10, 1), 'a')
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self.injector = KeycodeInjector('device 1', custom_mapping)
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path = '/dev/input/event10'
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# this test needs to pass around all other constraints of
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# _prepare_device
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device, abs_to_rel = self.injector._prepare_device(path)
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self.assertFalse(abs_to_rel)
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self.assertEqual(self.failed, 2)
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# success on the third try
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device.name = fixtures[path]['name']
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def test_fail_grab(self):
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self.make_it_fail = 10
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custom_mapping.change(Key(EV_KEY, 10, 1), 'a')
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self.injector = KeycodeInjector('device 1', custom_mapping)
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path = '/dev/input/event10'
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device, abs_to_rel = self.injector._prepare_device(path)
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self.assertFalse(abs_to_rel)
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self.assertGreaterEqual(self.failed, 1)
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self.assertIsNone(device)
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self.injector.start_injecting()
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# since none can be grabbed, the process will terminate. But that
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# actually takes quite some time.
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time.sleep(1.5)
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self.assertFalse(self.injector._process.is_alive())
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def test_prepare_device_1(self):
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# according to the fixtures, /dev/input/event30 can do ABS_HAT0X
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custom_mapping.change(Key(EV_ABS, ABS_HAT0X, 1), 'a')
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self.injector = KeycodeInjector('foobar', custom_mapping)
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_prepare_device = self.injector._prepare_device
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self.assertIsNone(_prepare_device('/dev/input/event10')[0])
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self.assertIsNotNone(_prepare_device('/dev/input/event30')[0])
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def test_prepare_device_non_existing(self):
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custom_mapping.change(Key(EV_ABS, ABS_HAT0X, 1), 'a')
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self.injector = KeycodeInjector('foobar', custom_mapping)
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_prepare_device = self.injector._prepare_device
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self.assertIsNone(_prepare_device('/dev/input/event1234')[0])
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def test_gamepad_capabilities(self):
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self.injector = KeycodeInjector('gamepad', custom_mapping)
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path = '/dev/input/event30'
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device, abs_to_rel = self.injector._prepare_device(path)
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self.assertTrue(abs_to_rel)
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capabilities = self.injector._modify_capabilities(
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{},
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device,
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abs_to_rel
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)
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self.assertNotIn(evdev.ecodes.EV_ABS, capabilities)
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self.assertIn(evdev.ecodes.EV_REL, capabilities)
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self.assertIn(evdev.ecodes.REL_X, capabilities.get(EV_REL))
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self.assertIn(evdev.ecodes.REL_Y, capabilities.get(EV_REL))
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self.assertIn(evdev.ecodes.REL_WHEEL, capabilities.get(EV_REL))
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self.assertIn(evdev.ecodes.REL_HWHEEL, capabilities.get(EV_REL))
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self.assertIn(EV_KEY, capabilities)
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self.assertIn(evdev.ecodes.BTN_LEFT, capabilities[EV_KEY])
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def test_adds_ev_key(self):
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# for some reason, having any EV_KEY capability is needed to
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# be able to control the mouse. it probably wants the mouse click.
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self.injector = KeycodeInjector('gamepad 2', custom_mapping)
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"""gamepad without any existing key capability"""
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path = self.new_gamepad
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gamepad_template = copy.deepcopy(fixtures['/dev/input/event30'])
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fixtures[path] = {
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'name': 'gamepad 2', 'phys': 'abcd', 'info': '1234',
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'capabilities': gamepad_template['capabilities']
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}
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del fixtures[path]['capabilities'][EV_KEY]
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device, abs_to_rel = self.injector._prepare_device(path)
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self.assertNotIn(EV_KEY, device.capabilities())
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capabilities = self.injector._modify_capabilities(
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{}, device, abs_to_rel
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)
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self.assertIn(EV_KEY, capabilities)
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self.assertIn(evdev.ecodes.BTN_MOUSE, capabilities[EV_KEY])
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"""gamepad with a btn_mouse capability existing"""
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path = self.new_gamepad
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gamepad_template = copy.deepcopy(fixtures['/dev/input/event30'])
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fixtures[path] = {
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'name': 'gamepad 3', 'phys': 'abcd', 'info': '1234',
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'capabilities': gamepad_template['capabilities']
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}
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fixtures[path]['capabilities'][EV_KEY].append(BTN_LEFT)
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fixtures[path]['capabilities'][EV_KEY].append(KEY_A)
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device, abs_to_rel = self.injector._prepare_device(path)
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capabilities = self.injector._modify_capabilities(
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{}, device, abs_to_rel
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)
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self.assertIn(EV_KEY, capabilities)
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self.assertIn(evdev.ecodes.BTN_MOUSE, capabilities[EV_KEY])
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self.assertIn(evdev.ecodes.KEY_A, capabilities[EV_KEY])
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"""gamepad with existing key capabilities, but not btn_mouse"""
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path = '/dev/input/event30'
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device, abs_to_rel = self.injector._prepare_device(path)
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self.assertIn(EV_KEY, device.capabilities())
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self.assertNotIn(evdev.ecodes.BTN_MOUSE, device.capabilities()[EV_KEY])
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capabilities = self.injector._modify_capabilities(
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{}, device, abs_to_rel
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)
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self.assertIn(EV_KEY, capabilities)
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self.assertGreater(len(capabilities), 1)
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self.assertIn(evdev.ecodes.BTN_MOUSE, capabilities[EV_KEY])
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def test_skip_unused_device(self):
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# skips a device because its capabilities are not used in the mapping
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custom_mapping.change(Key(EV_KEY, 10, 1), 'a')
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self.injector = KeycodeInjector('device 1', custom_mapping)
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path = '/dev/input/event11'
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device, abs_to_rel = self.injector._prepare_device(path)
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self.assertFalse(abs_to_rel)
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self.assertEqual(self.failed, 0)
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self.assertIsNone(device)
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def test_skip_unknown_device(self):
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# skips a device because its capabilities are not used in the mapping
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self.injector = KeycodeInjector('device 1', custom_mapping)
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path = '/dev/input/event11'
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device, _ = self.injector._prepare_device(path)
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# make sure the test uses a fixture without interesting capabilities
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capabilities = evdev.InputDevice(path).capabilities()
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self.assertEqual(len(capabilities.get(EV_KEY, [])), 0)
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self.assertEqual(len(capabilities.get(EV_ABS, [])), 0)
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# skips the device alltogether, so no grab attempts fail
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self.assertEqual(self.failed, 0)
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self.assertIsNone(device)
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def test_numlock(self):
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before = is_numlock_on()
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set_numlock(not before) # should change
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self.assertEqual(not before, is_numlock_on())
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@ensure_numlock
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def wrapped_1():
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set_numlock(not is_numlock_on())
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@ensure_numlock
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def wrapped_2():
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pass
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# should not change
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wrapped_1()
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self.assertEqual(not before, is_numlock_on())
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wrapped_2()
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self.assertEqual(not before, is_numlock_on())
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# toggle one more time to restore the previous configuration
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set_numlock(before)
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self.assertEqual(before, is_numlock_on())
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def test_abs_to_rel(self):
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# maps gamepad joystick events to mouse events
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config.set('gamepad.joystick.non_linearity', 1)
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pointer_speed = 80
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config.set('gamepad.joystick.pointer_speed', pointer_speed)
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rel_x = evdev.ecodes.REL_X
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rel_y = evdev.ecodes.REL_Y
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# they need to sum up before something is written
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divisor = 10
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x = MAX_ABS / pointer_speed / divisor
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y = MAX_ABS / pointer_speed / divisor
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pending_events['gamepad'] = [
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InputEvent(EV_ABS, rel_x, x),
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InputEvent(EV_ABS, rel_y, y),
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InputEvent(EV_ABS, rel_x, -x),
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InputEvent(EV_ABS, rel_y, -y),
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]
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self.injector = KeycodeInjector('gamepad', custom_mapping)
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self.injector.start_injecting()
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# wait for the injector to start sending, at most 1s
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uinput_write_history_pipe[0].poll(1)
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# wait a bit more for it to sum up
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sleep = 0.5
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time.sleep(sleep)
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# convert the write history to some easier to manage list
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history = []
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while uinput_write_history_pipe[0].poll():
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event = uinput_write_history_pipe[0].recv()
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history.append((event.type, event.code, event.value))
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if history[0][0] == EV_ABS:
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raise AssertionError(
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'The injector probably just forwarded them unchanged'
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)
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# movement is written at 60hz and it takes `divisor` steps to
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# move 1px. take it times 2 for both x and y events.
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self.assertGreater(len(history), 60 * sleep * 0.9 * 2 / divisor)
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self.assertLess(len(history), 60 * sleep * 1.1 * 2 / divisor)
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# those may be in arbitrary order, the injector happens to write
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# y first
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self.assertEqual(history[-1][0], EV_REL)
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self.assertEqual(history[-1][1], rel_x)
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self.assertAlmostEqual(history[-1][2], -1)
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self.assertEqual(history[-2][0], EV_REL)
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self.assertEqual(history[-2][1], rel_y)
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self.assertAlmostEqual(history[-2][2], -1)
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def test_injector(self):
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# the tests in test_keycode_mapper.py test this stuff in detail
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numlock_before = is_numlock_on()
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combination = Key((EV_KEY, 8, 1), (EV_KEY, 9, 1))
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custom_mapping.change(combination, 'k(KEY_Q).k(w)')
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custom_mapping.change(Key(EV_ABS, ABS_HAT0X, -1), 'a')
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# one mapping that is unknown in the system_mapping on purpose
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input_b = 10
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custom_mapping.change(Key(EV_KEY, input_b, 1), 'b')
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# stuff the custom_mapping outputs (except for the unknown b)
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system_mapping.clear()
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code_a = 100
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code_q = 101
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code_w = 102
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system_mapping._set('a', code_a)
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system_mapping._set('key_q', code_q)
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system_mapping._set('w', code_w)
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pending_events['device 2'] = [
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# should execute a macro...
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InputEvent(EV_KEY, 8, 1),
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InputEvent(EV_KEY, 9, 1), # ...now
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InputEvent(EV_KEY, 8, 0),
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InputEvent(EV_KEY, 9, 0),
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# gamepad stuff. trigger a combination
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InputEvent(EV_ABS, ABS_HAT0X, -1),
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InputEvent(EV_ABS, ABS_HAT0X, 0),
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# just pass those over without modifying
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InputEvent(EV_KEY, 10, 1),
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InputEvent(EV_KEY, 10, 0),
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InputEvent(3124, 3564, 6542),
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]
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self.injector = KeycodeInjector('device 2', custom_mapping)
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self.injector.start_injecting()
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uinput_write_history_pipe[0].poll(timeout=1)
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time.sleep(EVENT_READ_TIMEOUT * 10)
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# sending anything arbitrary does not stop the process
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# (is_alive checked later after some time)
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self.injector._msg_pipe[1].send(1234)
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# convert the write history to some easier to manage list
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history = read_write_history_pipe()
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# 1 event before the combination was triggered (+1 for release)
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# 4 events for the macro
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# 2 for mapped keys
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# 3 for forwarded events
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self.assertEqual(len(history), 11)
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# since the macro takes a little bit of time to execute, its
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# keystrokes are all over the place.
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# just check if they are there and if so, remove them from the list.
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self.assertIn((EV_KEY, 8, 1), history)
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self.assertIn((EV_KEY, code_q, 1), history)
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self.assertIn((EV_KEY, code_q, 1), history)
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self.assertIn((EV_KEY, code_q, 0), history)
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self.assertIn((EV_KEY, code_w, 1), history)
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self.assertIn((EV_KEY, code_w, 0), history)
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index_q_1 = history.index((EV_KEY, code_q, 1))
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index_q_0 = history.index((EV_KEY, code_q, 0))
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index_w_1 = history.index((EV_KEY, code_w, 1))
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index_w_0 = history.index((EV_KEY, code_w, 0))
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self.assertGreater(index_q_0, index_q_1)
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self.assertGreater(index_w_1, index_q_0)
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self.assertGreater(index_w_0, index_w_1)
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del history[index_q_1]
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index_q_0 = history.index((EV_KEY, code_q, 0))
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del history[index_q_0]
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index_w_1 = history.index((EV_KEY, code_w, 1))
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del history[index_w_1]
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index_w_0 = history.index((EV_KEY, code_w, 0))
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del history[index_w_0]
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# the rest should be in order.
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# first the incomplete combination key that wasn't mapped to anything
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# and just forwarded. The input event that triggered the macro
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# won't appear here.
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self.assertEqual(history[0], (EV_KEY, 8, 1))
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self.assertEqual(history[1], (EV_KEY, 8, 0))
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# value should be 1, even if the input event was -1.
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# Injected keycodes should always be either 0 or 1
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self.assertEqual(history[2], (EV_KEY, code_a, 1))
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self.assertEqual(history[3], (EV_KEY, code_a, 0))
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self.assertEqual(history[4], (EV_KEY, input_b, 1))
|
|
self.assertEqual(history[5], (EV_KEY, input_b, 0))
|
|
self.assertEqual(history[6], (3124, 3564, 6542))
|
|
|
|
time.sleep(0.1)
|
|
self.assertTrue(self.injector._process.is_alive())
|
|
|
|
numlock_after = is_numlock_on()
|
|
self.assertEqual(numlock_before, numlock_after)
|
|
|
|
def test_any_funky_event_as_button(self):
|
|
# as long as should_map_event_as_btn says it should be a button,
|
|
# it will be.
|
|
EV_TYPE = 4531
|
|
CODE_1 = 754
|
|
CODE_2 = 4139
|
|
|
|
w_down = (EV_TYPE, CODE_1, -1)
|
|
w_up = (EV_TYPE, CODE_1, 0)
|
|
|
|
d_down = (EV_TYPE, CODE_2, 1)
|
|
d_up = (EV_TYPE, CODE_2, 0)
|
|
|
|
custom_mapping.change(Key(*w_down[:2], -1), 'w')
|
|
custom_mapping.change(Key(*d_down[:2], 1), 'k(d)')
|
|
|
|
system_mapping.clear()
|
|
code_w = 71
|
|
code_d = 74
|
|
system_mapping._set('w', code_w)
|
|
system_mapping._set('d', code_d)
|
|
|
|
def do_stuff():
|
|
if self.injector is not None:
|
|
# discard the previous injector
|
|
self.injector.stop_injecting()
|
|
time.sleep(0.1)
|
|
while uinput_write_history_pipe[0].poll():
|
|
uinput_write_history_pipe[0].recv()
|
|
|
|
pending_events['gamepad'] = [
|
|
InputEvent(*w_down),
|
|
InputEvent(*d_down),
|
|
InputEvent(*w_up),
|
|
InputEvent(*d_up),
|
|
]
|
|
|
|
self.injector = KeycodeInjector('gamepad', custom_mapping)
|
|
|
|
# the injector will otherwise skip the device because
|
|
# the capabilities don't contain EV_TYPE
|
|
input = InputDevice('/dev/input/event30')
|
|
self.injector._prepare_device = lambda *args: (input, False)
|
|
|
|
self.injector.start_injecting()
|
|
uinput_write_history_pipe[0].poll(timeout=1)
|
|
time.sleep(EVENT_READ_TIMEOUT * 10)
|
|
return read_write_history_pipe()
|
|
|
|
"""no"""
|
|
|
|
history = do_stuff()
|
|
self.assertEqual(history.count((EV_KEY, code_w, 1)), 0)
|
|
self.assertEqual(history.count((EV_KEY, code_d, 1)), 0)
|
|
self.assertEqual(history.count((EV_KEY, code_w, 0)), 0)
|
|
self.assertEqual(history.count((EV_KEY, code_d, 0)), 0)
|
|
|
|
"""yes"""
|
|
|
|
utils.should_map_event_as_btn = lambda *args: True
|
|
history = do_stuff()
|
|
self.assertEqual(history.count((EV_KEY, code_w, 1)), 1)
|
|
self.assertEqual(history.count((EV_KEY, code_d, 1)), 1)
|
|
self.assertEqual(history.count((EV_KEY, code_w, 0)), 1)
|
|
self.assertEqual(history.count((EV_KEY, code_d, 0)), 1)
|
|
|
|
def test_store_permutations_for_macros(self):
|
|
mapping = Mapping()
|
|
ev_1 = (EV_KEY, 41, 1)
|
|
ev_2 = (EV_KEY, 42, 1)
|
|
ev_3 = (EV_KEY, 43, 1)
|
|
# a combination
|
|
mapping.change(Key(ev_1, ev_2, ev_3), 'k(a)')
|
|
self.injector = KeycodeInjector('device 1', mapping)
|
|
|
|
history = []
|
|
|
|
class Stop(Exception):
|
|
pass
|
|
|
|
def _modify_capabilities(*args):
|
|
history.append(args)
|
|
# avoid going into any mainloop
|
|
raise Stop()
|
|
|
|
self.injector._modify_capabilities = _modify_capabilities
|
|
try:
|
|
self.injector._start_injecting()
|
|
except Stop:
|
|
pass
|
|
|
|
# one call
|
|
self.assertEqual(len(history), 1)
|
|
# first argument of the first call
|
|
self.assertEqual(len(history[0][0]), 2)
|
|
self.assertEqual(history[0][0][(ev_1, ev_2, ev_3)].code, 'k(a)')
|
|
self.assertEqual(history[0][0][(ev_2, ev_1, ev_3)].code, 'k(a)')
|
|
|
|
def test_key_to_code(self):
|
|
mapping = Mapping()
|
|
ev_1 = (EV_KEY, 41, 1)
|
|
ev_2 = (EV_KEY, 42, 1)
|
|
ev_3 = (EV_KEY, 43, 1)
|
|
ev_4 = (EV_KEY, 44, 1)
|
|
mapping.change(Key(ev_1), 'a')
|
|
# a combination
|
|
mapping.change(Key(ev_2, ev_3, ev_4), 'b')
|
|
self.assertEqual(mapping.get_character(Key(ev_2, ev_3, ev_4)), 'b')
|
|
|
|
system_mapping.clear()
|
|
system_mapping._set('a', 51)
|
|
system_mapping._set('b', 52)
|
|
|
|
injector = KeycodeInjector('device 1', mapping)
|
|
self.assertEqual(injector._key_to_code.get((ev_1,)), 51)
|
|
# permutations to make matching combinations easier
|
|
self.assertEqual(injector._key_to_code.get((ev_2, ev_3, ev_4)), 52)
|
|
self.assertEqual(injector._key_to_code.get((ev_3, ev_2, ev_4)), 52)
|
|
self.assertEqual(len(injector._key_to_code), 3)
|
|
|
|
def test_is_in_capabilities(self):
|
|
key = Key(1, 2, 1)
|
|
capabilities = {
|
|
1: [9, 2, 5]
|
|
}
|
|
self.assertTrue(is_in_capabilities(key, capabilities))
|
|
|
|
key = Key((1, 2, 1), (1, 3, 1))
|
|
capabilities = {
|
|
1: [9, 2, 5]
|
|
}
|
|
# only one of the codes of the combination is required.
|
|
# The goal is to make combinations across those sub-devices possible,
|
|
# that make up one hardware device
|
|
self.assertTrue(is_in_capabilities(key, capabilities))
|
|
|
|
key = Key((1, 2, 1), (1, 5, 1))
|
|
capabilities = {
|
|
1: [9, 2, 5]
|
|
}
|
|
self.assertTrue(is_in_capabilities(key, capabilities))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|