mirror of
https://github.com/sezanzeb/input-remapper
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276 lines
9.9 KiB
Python
276 lines
9.9 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 evdev
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from evdev.ecodes import EV_REL, EV_KEY, EV_ABS
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from keymapper.dev.injector import is_numlock_on, toggle_numlock,\
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ensure_numlock, KeycodeInjector
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from keymapper.state import custom_mapping, system_mapping, \
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clear_system_mapping, KEYCODE_OFFSET
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from keymapper.mapping import Mapping
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from keymapper.config import config
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from test import uinput_write_history, Event, pending_events, fixtures, \
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clear_write_history, EVENT_READ_TIMEOUT, uinput_write_history_pipe, \
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MAX_ABS
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class TestInjector(unittest.TestCase):
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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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def grab_fail_twice(_):
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if self.failed < 2:
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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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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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if pending_events.get('device 2') is not None:
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del pending_events['device 2']
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clear_write_history()
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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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}
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mapping = Mapping()
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mapping.change(
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new_keycode=80,
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character='a'
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)
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maps_to = system_mapping['a'] - KEYCODE_OFFSET
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self.injector = KeycodeInjector('foo', mapping)
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capabilities = self.injector._modify_capabilities(FakeDevice())
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self.assertIn(EV_KEY, capabilities)
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keys = capabilities[EV_KEY]
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self.assertEqual(keys[0], maps_to)
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self.assertNotIn(evdev.ecodes.EV_SYN, capabilities)
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self.assertNotIn(evdev.ecodes.EV_FF, capabilities)
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def test_grab(self):
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# path is from the fixtures
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custom_mapping.change(10, '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 = self.injector._prepare_device(path)
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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_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(10, '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 = self.injector._prepare_device(path)
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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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toggle_numlock() # 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():
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toggle_numlock()
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wrapped() # should not change
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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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toggle_numlock()
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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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# TODO enable this somewhere so that map_abs_to_rel returns true
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# in the .json file of the mapping.
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config.set('gamepad.non_linearity', 1)
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pointer_speed = 80
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config.set('gamepad.pointer_speed', pointer_speed)
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# same for ABS, 0 for x, 1 for y
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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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Event(EV_ABS, rel_x, x),
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Event(EV_ABS, rel_y, y),
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Event(EV_ABS, rel_x, -x),
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Event(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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# 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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custom_mapping.change(8, 'k(q).k(w)')
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custom_mapping.change(9, 'a')
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# one mapping that is unknown in the system_mapping on purpose
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custom_mapping.change(10, 'b')
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clear_system_mapping()
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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['a'] = code_a
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system_mapping['q'] = code_q
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system_mapping['w'] = code_w
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# the second arg of those event objects is 8 lower than the
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# keycode used in X and in the mappings
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pending_events['device 2'] = [
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# should execute a macro
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Event(EV_KEY, 0, 1),
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Event(EV_KEY, 0, 0),
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# normal keystroke
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Event(EV_KEY, 1, 1),
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Event(EV_KEY, 1, 0),
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# ignored because unknown to the system
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Event(EV_KEY, 2, 1),
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Event(EV_KEY, 2, 0),
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# just pass those over without modifying
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Event(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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# 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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# 4 events for the macro
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# 3 for non-macros
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self.assertEqual(len(history), 7)
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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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ev_key = EV_KEY
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self.assertIn((ev_key, code_q - KEYCODE_OFFSET, 1), history)
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self.assertIn((ev_key, code_q - KEYCODE_OFFSET, 0), history)
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self.assertIn((ev_key, code_w - KEYCODE_OFFSET, 1), history)
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self.assertIn((ev_key, code_w - KEYCODE_OFFSET, 0), history)
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index_q_1 = history.index((ev_key, code_q - KEYCODE_OFFSET, 1))
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index_q_0 = history.index((ev_key, code_q - KEYCODE_OFFSET, 0))
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index_w_1 = history.index((ev_key, code_w - KEYCODE_OFFSET, 1))
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index_w_0 = history.index((ev_key, code_w - KEYCODE_OFFSET, 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 - KEYCODE_OFFSET, 0))
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del history[index_q_0]
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index_w_1 = history.index((ev_key, code_w - KEYCODE_OFFSET, 1))
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del history[index_w_1]
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index_w_0 = history.index((ev_key, code_w - KEYCODE_OFFSET, 0))
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del history[index_w_0]
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# the rest should be in order.
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self.assertEqual(history[0], (ev_key, code_a - KEYCODE_OFFSET, 1))
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self.assertEqual(history[1], (ev_key, code_a - KEYCODE_OFFSET, 0))
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self.assertEqual(history[2], (3124, 3564, 6542))
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if __name__ == "__main__":
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unittest.main()
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