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input-remapper/tests/testcases/test_injector.py
sezanzeb db047390d4 Properly forwarding unmapped gamepad events
2021-01-26 00:15:30 +01:00

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# key-mapper - GUI for device specific keyboard mappings
# Copyright (C) 2021 sezanzeb <proxima@hip70890b.de>
#
# This file is part of key-mapper.
#
# key-mapper is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# key-mapper is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with key-mapper. If not, see <https://www.gnu.org/licenses/>.
import unittest
import time
import copy
import evdev
from evdev.ecodes import EV_REL, EV_KEY, EV_ABS, ABS_HAT0X, BTN_LEFT, KEY_A, \
REL_X, REL_Y, REL_WHEEL, REL_HWHEEL, BTN_A, ABS_X, ABS_Y, BTN_NORTH,\
ABS_Z, ABS_RZ
from keymapper.dev.injector import is_numlock_on, set_numlock, \
ensure_numlock, Injector, is_in_capabilities, \
STARTING, RUNNING, STOPPED, NO_GRAB, UNKNOWN
from keymapper.state import custom_mapping, system_mapping
from keymapper.mapping import Mapping, DISABLE_CODE, DISABLE_NAME
from keymapper.config import config, NONE, MOUSE, WHEEL, BUTTONS
from keymapper.key import Key
from keymapper.dev.macros import parse
from keymapper.dev import utils
from keymapper.getdevices import get_devices, is_gamepad
from tests.test import new_event, pending_events, fixtures, \
EVENT_READ_TIMEOUT, uinput_write_history_pipe, \
MAX_ABS, cleanup, read_write_history_pipe, InputDevice
original_smeab = utils.should_map_event_as_btn
class TestInjector(unittest.TestCase):
new_gamepad = '/dev/input/event100'
@classmethod
def setUpClass(cls):
cls.injector = None
cls.grab = evdev.InputDevice.grab
def setUp(self):
self.failed = 0
self.make_it_fail = 2
def grab_fail_twice(_):
if self.failed < self.make_it_fail:
self.failed += 1
raise OSError()
evdev.InputDevice.grab = grab_fail_twice
def tearDown(self):
utils.should_map_event_as_btn = original_smeab
if self.injector is not None:
self.injector.stop_injecting()
self.assertEqual(self.injector.get_state(), STOPPED)
self.injector = None
evdev.InputDevice.grab = self.grab
cleanup()
def test_grab(self):
# path is from the fixtures
custom_mapping.change(Key(EV_KEY, 10, 1), 'a')
self.injector = Injector('device 1', custom_mapping)
path = '/dev/input/event10'
# this test needs to pass around all other constraints of
# _grab_device
device = self.injector._grab_device(path)
abs_to_rel = is_gamepad(device)
self.assertFalse(abs_to_rel)
self.assertEqual(self.failed, 2)
# success on the third try
device.name = fixtures[path]['name']
def test_fail_grab(self):
self.make_it_fail = 10
custom_mapping.change(Key(EV_KEY, 10, 1), 'a')
self.injector = Injector('device 1', custom_mapping)
path = '/dev/input/event10'
device = self.injector._grab_device(path)
self.assertIsNone(device)
self.assertGreaterEqual(self.failed, 1)
self.assertEqual(self.injector.get_state(), UNKNOWN)
self.injector.start_injecting()
self.assertEqual(self.injector.get_state(), STARTING)
# since none can be grabbed, the process will terminate. But that
# actually takes quite some time.
time.sleep(1.5)
self.assertFalse(self.injector._process.is_alive())
self.assertEqual(self.injector.get_state(), NO_GRAB)
def test_grab_device_1(self):
# according to the fixtures, /dev/input/event30 can do ABS_HAT0X
custom_mapping.change(Key(EV_ABS, ABS_HAT0X, 1), 'a')
self.injector = Injector('foobar', custom_mapping)
_grab_device = self.injector._grab_device
self.assertIsNone(_grab_device('/dev/input/event10'))
self.assertIsNotNone(_grab_device('/dev/input/event30'))
def test_grab_device_non_existing(self):
custom_mapping.change(Key(EV_ABS, ABS_HAT0X, 1), 'a')
self.injector = Injector('foobar', custom_mapping)
_grab_device = self.injector._grab_device
self.assertIsNone(_grab_device('/dev/input/event1234'))
def test_gamepad_capabilities(self):
self.injector = Injector('gamepad', custom_mapping)
path = '/dev/input/event30'
device = self.injector._grab_device(path)
abs_to_rel = is_gamepad(device)
self.assertIsNotNone(device)
self.assertTrue(abs_to_rel)
capabilities = self.injector._modify_capabilities(
{},
device,
abs_to_rel
)
self.assertNotIn(evdev.ecodes.EV_ABS, capabilities)
self.assertIn(evdev.ecodes.EV_REL, capabilities)
self.assertIn(evdev.ecodes.REL_X, capabilities.get(EV_REL))
self.assertIn(evdev.ecodes.REL_Y, capabilities.get(EV_REL))
self.assertIn(evdev.ecodes.REL_WHEEL, capabilities.get(EV_REL))
self.assertIn(evdev.ecodes.REL_HWHEEL, capabilities.get(EV_REL))
self.assertIn(EV_KEY, capabilities)
self.assertIn(evdev.ecodes.BTN_LEFT, capabilities[EV_KEY])
def test_gamepad_purpose_none(self):
# forward abs joystick events
custom_mapping.set('gamepad.joystick.left_purpose', NONE)
config.set('gamepad.joystick.right_purpose', NONE)
self.injector = Injector('gamepad', custom_mapping)
path = '/dev/input/event30'
device = self.injector._grab_device(path)
self.assertIsNone(device) # no capability is used, so it won't grab
custom_mapping.change(Key(EV_KEY, BTN_A, 1), 'a')
device = self.injector._grab_device(path)
self.assertIsNotNone(device)
gamepad = is_gamepad(device)
self.assertTrue(gamepad)
capabilities = self.injector._modify_capabilities(
{},
device,
gamepad
)
self.assertIn(evdev.ecodes.EV_ABS, capabilities)
def test_gamepad_purpose_none_2(self):
# forward abs joystick events for the left joystick only
custom_mapping.set('gamepad.joystick.left_purpose', NONE)
config.set('gamepad.joystick.right_purpose', MOUSE)
self.injector = Injector('gamepad', custom_mapping)
path = '/dev/input/event30'
device = self.injector._grab_device(path)
# the right joystick maps as mouse, so it is grabbed
# even with an empty mapping
self.assertIsNotNone(device)
gamepad = is_gamepad(device)
self.assertTrue(gamepad)
capabilities = self.injector._modify_capabilities(
{},
device,
gamepad
)
self.assertIn(evdev.ecodes.EV_ABS, capabilities)
self.assertIn(evdev.ecodes.EV_REL, capabilities)
custom_mapping.change(Key(EV_KEY, BTN_A, 1), 'a')
device = self.injector._grab_device(path)
gamepad = is_gamepad(device)
self.assertIsNotNone(device)
self.assertTrue(gamepad)
capabilities = self.injector._modify_capabilities(
{},
device,
gamepad
)
self.assertIn(evdev.ecodes.EV_ABS, capabilities)
self.assertIn(evdev.ecodes.EV_REL, capabilities)
self.assertIn(evdev.ecodes.EV_KEY, capabilities)
def test_adds_ev_key(self):
# for some reason, having any EV_KEY capability is needed to
# be able to control the mouse. it probably wants the mouse click.
self.injector = Injector('gamepad 2', custom_mapping)
"""gamepad without any existing key capability"""
path = self.new_gamepad
gamepad_template = copy.deepcopy(fixtures['/dev/input/event30'])
fixtures[path] = {
'name': 'gamepad 2', 'phys': 'abcd', 'info': '1234',
'capabilities': gamepad_template['capabilities']
}
del fixtures[path]['capabilities'][EV_KEY]
device = self.injector._grab_device(path)
gamepad = is_gamepad(device)
self.assertNotIn(EV_KEY, device.capabilities())
capabilities = self.injector._modify_capabilities(
{}, device, gamepad
)
self.assertIn(EV_KEY, capabilities)
self.assertIn(evdev.ecodes.BTN_MOUSE, capabilities[EV_KEY])
"""gamepad with a btn_mouse capability existing"""
path = self.new_gamepad
gamepad_template = copy.deepcopy(fixtures['/dev/input/event30'])
fixtures[path] = {
'name': 'gamepad 3', 'phys': 'abcd', 'info': '1234',
'capabilities': gamepad_template['capabilities']
}
fixtures[path]['capabilities'][EV_KEY].append(BTN_LEFT)
fixtures[path]['capabilities'][EV_KEY].append(KEY_A)
device = self.injector._grab_device(path)
gamepad = is_gamepad(device)
capabilities = self.injector._modify_capabilities(
{}, device, gamepad
)
self.assertIn(EV_KEY, capabilities)
self.assertIn(evdev.ecodes.BTN_MOUSE, capabilities[EV_KEY])
self.assertIn(evdev.ecodes.KEY_A, capabilities[EV_KEY])
"""gamepad with existing key capabilities, but not btn_mouse"""
path = '/dev/input/event30'
device = self.injector._grab_device(path)
gamepad = is_gamepad(device)
self.assertIn(EV_KEY, device.capabilities())
self.assertNotIn(evdev.ecodes.BTN_MOUSE, device.capabilities()[EV_KEY])
capabilities = self.injector._modify_capabilities(
{}, device, gamepad
)
self.assertIn(EV_KEY, capabilities)
self.assertGreater(len(capabilities), 1)
self.assertIn(evdev.ecodes.BTN_MOUSE, capabilities[EV_KEY])
def test_skip_unused_device(self):
# skips a device because its capabilities are not used in the mapping
custom_mapping.change(Key(EV_KEY, 10, 1), 'a')
self.injector = Injector('device 1', custom_mapping)
path = '/dev/input/event11'
device = self.injector._grab_device(path)
self.assertIsNone(device)
self.assertEqual(self.failed, 0)
def test_skip_unknown_device(self):
# skips a device because its capabilities are not used in the mapping
self.injector = Injector('device 1', custom_mapping)
path = '/dev/input/event11'
device = self.injector._grab_device(path)
# make sure the test uses a fixture without interesting capabilities
capabilities = evdev.InputDevice(path).capabilities()
self.assertEqual(len(capabilities.get(EV_KEY, [])), 0)
self.assertEqual(len(capabilities.get(EV_ABS, [])), 0)
# skips the device alltogether, so no grab attempts fail
self.assertEqual(self.failed, 0)
self.assertIsNone(device)
def test_numlock(self):
before = is_numlock_on()
set_numlock(not before) # should change
self.assertEqual(not before, is_numlock_on())
@ensure_numlock
def wrapped_1():
set_numlock(not is_numlock_on())
@ensure_numlock
def wrapped_2():
pass
# should not change
wrapped_1()
self.assertEqual(not before, is_numlock_on())
wrapped_2()
self.assertEqual(not before, is_numlock_on())
# toggle one more time to restore the previous configuration
set_numlock(before)
self.assertEqual(before, is_numlock_on())
def test_gamepad_to_mouse(self):
# maps gamepad joystick events to mouse events
config.set('gamepad.joystick.non_linearity', 1)
pointer_speed = 80
config.set('gamepad.joystick.pointer_speed', pointer_speed)
# they need to sum up before something is written
divisor = 10
x = MAX_ABS / pointer_speed / divisor
y = MAX_ABS / pointer_speed / divisor
pending_events['gamepad'] = [
new_event(EV_ABS, ABS_X, x),
new_event(EV_ABS, ABS_Y, y),
new_event(EV_ABS, ABS_X, -x),
new_event(EV_ABS, ABS_Y, -y),
]
self.injector = Injector('gamepad', custom_mapping)
self.injector.start_injecting()
# wait for the injector to start sending, at most 1s
uinput_write_history_pipe[0].poll(1)
# wait a bit more for it to sum up
sleep = 0.5
time.sleep(sleep)
# convert the write history to some easier to manage list
history = read_write_history_pipe()
if history[0][0] == EV_ABS:
raise AssertionError(
'The injector probably just forwarded them unchanged'
# possibly in addition to writing mouse events
)
# movement is written at 60hz and it takes `divisor` steps to
# move 1px. take it times 2 for both x and y events.
self.assertGreater(len(history), 60 * sleep * 0.9 * 2 / divisor)
self.assertLess(len(history), 60 * sleep * 1.1 * 2 / divisor)
# those may be in arbitrary order
count_x = history.count((EV_REL, REL_X, -1))
count_y = history.count((EV_REL, REL_Y, -1))
self.assertGreater(count_x, 1)
self.assertGreater(count_y, 1)
# only those two types of events were written
self.assertEqual(len(history), count_x + count_y)
def test_gamepad_forward_joysticks(self):
pending_events['gamepad'] = [
# should forward them unmodified
new_event(EV_ABS, ABS_X, 10),
new_event(EV_ABS, ABS_Y, 20),
new_event(EV_ABS, ABS_X, -30),
new_event(EV_ABS, ABS_Y, -40),
new_event(EV_KEY, BTN_A, 1),
new_event(EV_KEY, BTN_A, 0)
] * 2
custom_mapping.set('gamepad.joystick.left_purpose', NONE)
custom_mapping.set('gamepad.joystick.right_purpose', NONE)
# BTN_A -> 77
custom_mapping.change(Key((1, BTN_A, 1)), 'b')
system_mapping._set('b', 77)
self.injector = Injector('gamepad', custom_mapping)
self.injector.start_injecting()
# wait for the injector to start sending, at most 1s
uinput_write_history_pipe[0].poll(1)
time.sleep(0.2)
# convert the write history to some easier to manage list
history = read_write_history_pipe()
self.assertEqual(history.count((EV_ABS, ABS_X, 10)), 2)
self.assertEqual(history.count((EV_ABS, ABS_Y, 20)), 2)
self.assertEqual(history.count((EV_ABS, ABS_X, -30)), 2)
self.assertEqual(history.count((EV_ABS, ABS_Y, -40)), 2)
self.assertEqual(history.count((EV_KEY, 77, 1)), 2)
self.assertEqual(history.count((EV_KEY, 77, 0)), 2)
def test_gamepad_trigger(self):
# map one of the triggers to BTN_NORTH, while the other one
# should be forwarded unchanged
value = MAX_ABS // 2
pending_events['gamepad'] = [
new_event(EV_ABS, ABS_Z, value),
new_event(EV_ABS, ABS_RZ, value),
]
# ABS_Z -> 77
# ABS_RZ is not mapped
custom_mapping.change(Key((EV_ABS, ABS_Z, 1)), 'b')
system_mapping._set('b', 77)
self.injector = Injector('gamepad', custom_mapping)
self.injector.start_injecting()
# wait for the injector to start sending, at most 1s
uinput_write_history_pipe[0].poll(1)
time.sleep(0.2)
# convert the write history to some easier to manage list
history = read_write_history_pipe()
print(history)
self.assertEqual(history.count((EV_KEY, 77, 1)), 1)
self.assertEqual(history.count((EV_ABS, ABS_RZ, value)), 1)
def test_gamepad_to_mouse_event_producer(self):
custom_mapping.set('gamepad.joystick.left_purpose', MOUSE)
custom_mapping.set('gamepad.joystick.right_purpose', NONE)
self.injector = Injector('gamepad', custom_mapping)
# the stop message will be available in the pipe right away,
# so _start_injecting won't block and just stop. all the stuff
# will be initialized though, so that stuff can be tested
self.injector.stop_injecting()
self.injector._start_injecting()
# not in a process, so the event_producer state can be checked
self.assertEqual(self.injector._event_producer.max_abs, MAX_ABS)
self.assertIsNotNone(self.injector._event_producer.mouse_uinput)
def test_gamepad_to_buttons_event_producer(self):
custom_mapping.set('gamepad.joystick.left_purpose', BUTTONS)
custom_mapping.set('gamepad.joystick.right_purpose', BUTTONS)
self.injector = Injector('gamepad', custom_mapping)
self.injector.stop_injecting()
self.injector._start_injecting()
self.assertIsNone(self.injector._event_producer.max_abs, MAX_ABS)
self.assertIsNone(self.injector._event_producer.mouse_uinput)
def test_device1_event_producer(self):
custom_mapping.set('gamepad.joystick.left_purpose', MOUSE)
custom_mapping.set('gamepad.joystick.right_purpose', WHEEL)
self.injector = Injector('device 1', custom_mapping)
self.injector.stop_injecting()
self.injector._start_injecting()
# not a gamepad, so _event_producer is not initialized for that.
# it can still debounce stuff though
self.assertIsNone(self.injector._event_producer.max_abs)
self.assertIsNone(self.injector._event_producer.mouse_uinput)
def test_injector(self):
# the tests in test_keycode_mapper.py test this stuff in detail
numlock_before = is_numlock_on()
combination = Key((EV_KEY, 8, 1), (EV_KEY, 9, 1))
custom_mapping.change(combination, 'k(KEY_Q).k(w)')
custom_mapping.change(Key(EV_ABS, ABS_HAT0X, -1), 'a')
# one mapping that is unknown in the system_mapping on purpose
input_b = 10
custom_mapping.change(Key(EV_KEY, input_b, 1), 'b')
# stuff the custom_mapping outputs (except for the unknown b)
system_mapping.clear()
code_a = 100
code_q = 101
code_w = 102
system_mapping._set('a', code_a)
system_mapping._set('key_q', code_q)
system_mapping._set('w', code_w)
pending_events['device 2'] = [
# should execute a macro...
new_event(EV_KEY, 8, 1),
new_event(EV_KEY, 9, 1), # ...now
new_event(EV_KEY, 8, 0),
new_event(EV_KEY, 9, 0),
# gamepad stuff. trigger a combination
new_event(EV_ABS, ABS_HAT0X, -1),
new_event(EV_ABS, ABS_HAT0X, 0),
# just pass those over without modifying
new_event(EV_KEY, 10, 1),
new_event(EV_KEY, 10, 0),
new_event(3124, 3564, 6542),
]
self.injector = Injector('device 2', custom_mapping)
self.assertEqual(self.injector.get_state(), UNKNOWN)
self.injector.start_injecting()
self.assertEqual(self.injector.get_state(), STARTING)
uinput_write_history_pipe[0].poll(timeout=1)
self.assertEqual(self.injector.get_state(), RUNNING)
time.sleep(EVENT_READ_TIMEOUT * 10)
# sending anything arbitrary does not stop the process
# (is_alive checked later after some time)
self.injector._msg_pipe[1].send(1234)
# convert the write history to some easier to manage list
history = read_write_history_pipe()
# 1 event before the combination was triggered (+1 for release)
# 4 events for the macro
# 2 for mapped keys
# 3 for forwarded events
self.assertEqual(len(history), 11)
# since the macro takes a little bit of time to execute, its
# keystrokes are all over the place.
# just check if they are there and if so, remove them from the list.
self.assertIn((EV_KEY, 8, 1), history)
self.assertIn((EV_KEY, code_q, 1), history)
self.assertIn((EV_KEY, code_q, 1), history)
self.assertIn((EV_KEY, code_q, 0), history)
self.assertIn((EV_KEY, code_w, 1), history)
self.assertIn((EV_KEY, code_w, 0), history)
index_q_1 = history.index((EV_KEY, code_q, 1))
index_q_0 = history.index((EV_KEY, code_q, 0))
index_w_1 = history.index((EV_KEY, code_w, 1))
index_w_0 = history.index((EV_KEY, code_w, 0))
self.assertGreater(index_q_0, index_q_1)
self.assertGreater(index_w_1, index_q_0)
self.assertGreater(index_w_0, index_w_1)
del history[index_q_1]
index_q_0 = history.index((EV_KEY, code_q, 0))
del history[index_q_0]
index_w_1 = history.index((EV_KEY, code_w, 1))
del history[index_w_1]
index_w_0 = history.index((EV_KEY, code_w, 0))
del history[index_w_0]
# the rest should be in order.
# first the incomplete combination key that wasn't mapped to anything
# and just forwarded. The input event that triggered the macro
# won't appear here.
self.assertEqual(history[0], (EV_KEY, 8, 1))
self.assertEqual(history[1], (EV_KEY, 8, 0))
# value should be 1, even if the input event was -1.
# Injected keycodes should always be either 0 or 1
self.assertEqual(history[2], (EV_KEY, code_a, 1))
self.assertEqual(history[3], (EV_KEY, code_a, 0))
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)
self.assertEqual(self.injector.get_state(), RUNNING)
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'] = [
new_event(*w_down),
new_event(*d_down),
new_event(*w_up),
new_event(*d_up),
]
self.injector = Injector('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._grab_device = lambda *args: input
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_wheel(self):
# this tests both keycode_mapper and event_producer, and it seems
# to test stuff not covered in test_keycode_mapper, so it's a quite
# important one.
# wheel release events are made up with a debouncer
# map those two to stuff
w_up = (EV_REL, REL_WHEEL, -1)
hw_right = (EV_REL, REL_HWHEEL, 1)
# should be forwarded and present in the capabilities
hw_left = (EV_REL, REL_HWHEEL, -1)
custom_mapping.change(Key(*hw_right), 'k(b)')
custom_mapping.change(Key(*w_up), 'c')
system_mapping.clear()
code_b = 91
code_c = 92
system_mapping._set('b', code_b)
system_mapping._set('c', code_c)
device_name = 'device 1'
pending_events[device_name] = [
new_event(*w_up),
] * 10 + [
new_event(*hw_right),
new_event(*w_up),
] * 5 + [
new_event(*hw_left)
]
self.injector = Injector(device_name, custom_mapping)
device = InputDevice('/dev/input/event11')
# make sure this test uses a device that has the needed capabilities
# for the injector to grab it
self.assertIn(EV_REL, device.capabilities())
self.assertIn(REL_WHEEL, device.capabilities()[EV_REL])
self.assertIn(REL_HWHEEL, device.capabilities()[EV_REL])
self.assertIn(device.path, get_devices()[device_name]['paths'])
self.injector.start_injecting()
# wait for the first injected key down event
uinput_write_history_pipe[0].poll(timeout=1)
self.assertTrue(uinput_write_history_pipe[0].poll())
event = uinput_write_history_pipe[0].recv()
self.assertEqual(event.t, (EV_KEY, code_c, 1))
time.sleep(EVENT_READ_TIMEOUT * 5)
# in 5 more read-loop ticks, nothing new should have happened
self.assertFalse(uinput_write_history_pipe[0].poll())
time.sleep(EVENT_READ_TIMEOUT * 6)
# 5 more and it should be within the second phase in which
# the horizontal wheel is used. add some tolerance
self.assertTrue(uinput_write_history_pipe[0].poll())
event = uinput_write_history_pipe[0].recv()
self.assertEqual(event.t, (EV_KEY, code_b, 1))
time.sleep(EVENT_READ_TIMEOUT * 10 + 5 / 60)
# after 21 read-loop ticks all events should be consumed, wait for
# at least 3 (=5) producer-ticks so that the debouncers are triggered.
# Key-up events for both wheel events should be written now that no
# new key-down event arrived.
events = read_write_history_pipe()
self.assertEqual(events.count((EV_KEY, code_b, 0)), 1)
self.assertEqual(events.count((EV_KEY, code_c, 0)), 1)
self.assertEqual(events.count(hw_left), 1) # the unmapped wheel
# the unmapped wheel won't get a debounced release command, it's
# forwarded as is
self.assertNotIn((EV_REL, REL_HWHEEL, 0), events)
self.assertEqual(len(events), 3)
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 = Injector('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 = Injector('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))
class TestModifyCapabilities(unittest.TestCase):
def setUp(self):
class FakeDevice:
def capabilities(self, absinfo=True):
assert absinfo is False
return {
evdev.ecodes.EV_SYN: [1, 2, 3],
evdev.ecodes.EV_FF: [1, 2, 3],
evdev.ecodes.EV_ABS: [1, 2, 3]
}
mapping = Mapping()
mapping.change(Key(EV_KEY, 80, 1), 'a')
mapping.change(Key(EV_KEY, 81, 1), DISABLE_NAME)
macro_code = 'r(2, m(sHiFt_l, r(2, k(1).k(2))))'
macro = parse(macro_code, mapping)
mapping.change(Key(EV_KEY, 60, 111), macro_code)
# going to be ignored, because EV_REL cannot be mapped, that's
# mouse movements.
mapping.change(Key(EV_REL, 1234, 3), 'b')
self.a = system_mapping.get('a')
self.shift_l = system_mapping.get('ShIfT_L')
self.one = system_mapping.get(1)
self.two = system_mapping.get('2')
self.left = system_mapping.get('BtN_lEfT')
self.fake_device = FakeDevice()
self.mapping = mapping
self.macro = macro
def check_keys(self, capabilities):
"""No matter the configuration, EV_KEY will be mapped to EV_KEY."""
self.assertIn(EV_KEY, capabilities)
keys = capabilities[EV_KEY]
self.assertIn(self.a, keys)
self.assertIn(self.one, keys)
self.assertIn(self.two, keys)
self.assertIn(self.shift_l, keys)
self.assertNotIn(DISABLE_CODE, keys)
def tearDown(self):
cleanup()
def test_modify_capabilities(self):
self.injector = Injector('foo', self.mapping)
capabilities = self.injector._modify_capabilities(
{60: self.macro},
self.fake_device,
gamepad=False
)
self.assertIn(EV_ABS, capabilities)
self.check_keys(capabilities)
keys = capabilities[EV_KEY]
# mouse capabilities are not needed
self.assertNotIn(self.left, keys)
self.assertNotIn(evdev.ecodes.EV_SYN, capabilities)
self.assertNotIn(evdev.ecodes.EV_FF, capabilities)
self.assertNotIn(evdev.ecodes.EV_REL, capabilities)
# keeps that stuff since modify_capabilities is told that it is not
# a gamepad, so it probably serves some special purpose for that
# device type.
self.assertIn(evdev.ecodes.EV_ABS, capabilities)
def test_modify_capabilities_gamepad(self):
config.set('gamepad.joystick.left_purpose', MOUSE)
self.mapping.set('gamepad.joystick.right_purpose', WHEEL)
self.injector = Injector('foo', self.mapping)
self.assertFalse(self.injector._forwards_joystick())
self.assertTrue(self.injector._maps_joystick())
self.assertTrue(self.injector._joystick_as_mouse())
capabilities = self.injector._modify_capabilities(
{60: self.macro},
self.fake_device,
gamepad=True
)
# because ABS is translated to REL, ABS is not a capability anymore
self.assertNotIn(EV_ABS, capabilities)
self.check_keys(capabilities)
keys = capabilities[EV_KEY]
# now that it is told that it is a gamepad, btn_left is inserted
# to ensure the operating system interprets it as mouse.
self.assertIn(self.left, keys)
def test_modify_capabilities_gamepad_none_none(self):
config.set('gamepad.joystick.left_purpose', NONE)
self.mapping.set('gamepad.joystick.right_purpose', NONE)
self.injector = Injector('foo', self.mapping)
self.assertTrue(self.injector._forwards_joystick())
self.assertFalse(self.injector._maps_joystick())
self.assertFalse(self.injector._joystick_as_mouse())
capabilities = self.injector._modify_capabilities(
{60: self.macro},
self.fake_device,
gamepad=True
)
self.check_keys(capabilities)
self.assertIn(EV_ABS, capabilities)
def test_modify_capabilities_gamepad_buttons_buttons(self):
config.set('gamepad.joystick.left_purpose', BUTTONS)
self.mapping.set('gamepad.joystick.right_purpose', BUTTONS)
self.injector = Injector('foo', self.mapping)
self.assertFalse(self.injector._forwards_joystick())
self.assertTrue(self.injector._maps_joystick())
self.assertFalse(self.injector._joystick_as_mouse())
capabilities = self.injector._modify_capabilities(
{60: self.macro},
self.fake_device,
gamepad=True
)
self.check_keys(capabilities)
self.assertNotIn(EV_ABS, capabilities)
self.assertNotIn(EV_REL, capabilities)
def test_modify_capabilities_buttons_buttons(self):
# those settings shouldn't have an effect with gamepad=False
config.set('gamepad.joystick.left_purpose', BUTTONS)
self.mapping.set('gamepad.joystick.right_purpose', BUTTONS)
self.injector = Injector('foo', self.mapping)
capabilities = self.injector._modify_capabilities(
{60: self.macro},
self.fake_device,
gamepad=False
)
self.check_keys(capabilities)
# not a gamepad, keeps EV_ABS because it probably has some special
# purpose
self.assertIn(EV_ABS, capabilities)
self.assertNotIn(EV_REL, capabilities)
if __name__ == "__main__":
unittest.main()
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