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input-remapper/tests/unit/test_injector.py

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2022 sezanzeb <proxima@sezanzeb.de>
#
# This file is part of input-remapper.
#
# input-remapper 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.
#
# input-remapper 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 input-remapper. If not, see <https://www.gnu.org/licenses/>.
import unittest
from unittest import mock
import time
import evdev
from evdev.ecodes import (
EV_REL,
EV_KEY,
EV_ABS,
ABS_HAT0X,
KEY_A,
REL_X,
REL_Y,
REL_WHEEL,
REL_HWHEEL,
BTN_A,
ABS_X,
ABS_Y,
ABS_Z,
ABS_RZ,
ABS_VOLUME,
KEY_C,
)
from inputremapper.injection.consumers.joystick_to_mouse import JoystickToMouse
from inputremapper.injection.injector import (
Injector,
is_in_capabilities,
STARTING,
RUNNING,
STOPPED,
NO_GRAB,
UNKNOWN,
get_udev_name,
)
from inputremapper.injection.numlock import is_numlock_on
from inputremapper.configs.system_mapping import (
system_mapping,
DISABLE_CODE,
DISABLE_NAME,
)
from inputremapper.gui.active_preset import active_preset
from inputremapper.configs.preset import Preset
from inputremapper.configs.global_config import global_config, NONE, MOUSE, WHEEL
from inputremapper.event_combination import EventCombination
from inputremapper.injection.macros.parse import parse
from inputremapper.injection.context import Context
from inputremapper.groups import groups, classify, GAMEPAD
from tests.test import (
new_event,
push_events,
fixtures,
EVENT_READ_TIMEOUT,
uinput_write_history_pipe,
MAX_ABS,
quick_cleanup,
read_write_history_pipe,
InputDevice,
uinputs,
keyboard_keys,
MIN_ABS,
)
def wait_for_uinput_write():
start = time.time()
if not uinput_write_history_pipe[0].poll(timeout=10):
raise AssertionError("No event written within 10 seconds")
return float(time.time() - start)
class TestInjector(unittest.IsolatedAsyncioTestCase):
new_gamepad_path = "/dev/input/event100"
@classmethod
def setUpClass(cls):
cls.injector = None
cls.grab = evdev.InputDevice.grab
quick_cleanup()
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):
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
quick_cleanup()
def find_joystick_to_mouse(self):
# this object became somewhat a pain to retreive
return [
consumer
for consumer in self.injector._consumer_controls[0]._consumers
if isinstance(consumer, JoystickToMouse)
][0]
def test_grab(self):
# path is from the fixtures
path = "/dev/input/event10"
active_preset.change(EventCombination([EV_KEY, 10, 1]), "keyboard", "a")
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
# this test needs to pass around all other constraints of
# _grab_device
self.injector.context = Context(active_preset)
device = self.injector._grab_device(path)
gamepad = classify(device) == GAMEPAD
self.assertFalse(gamepad)
self.assertEqual(self.failed, 2)
# success on the third try
self.assertEqual(device.name, fixtures[path]["name"])
def test_fail_grab(self):
self.make_it_fail = 999
active_preset.change(EventCombination([EV_KEY, 10, 1]), "keyboard", "a")
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
path = "/dev/input/event10"
self.injector.context = Context(active_preset)
device = self.injector._grab_device(path)
self.assertIsNone(device)
self.assertGreaterEqual(self.failed, 1)
self.assertEqual(self.injector.get_state(), UNKNOWN)
self.injector.start()
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(self.injector.regrab_timeout * 12)
self.assertFalse(self.injector.is_alive())
self.assertEqual(self.injector.get_state(), NO_GRAB)
def test_grab_device_1(self):
active_preset.change(EventCombination([EV_ABS, ABS_HAT0X, 1]), "keyboard", "a")
self.injector = Injector(groups.find(name="gamepad"), active_preset)
self.injector.context = Context(active_preset)
_grab_device = self.injector._grab_device
# doesn't have the required capability
self.assertIsNone(_grab_device("/dev/input/event10"))
# according to the fixtures, /dev/input/event30 can do ABS_HAT0X
self.assertIsNotNone(_grab_device("/dev/input/event30"))
# this doesn't exist
self.assertIsNone(_grab_device("/dev/input/event1234"))
def test_gamepad_purpose_none(self):
# forward abs joystick events
active_preset.set("gamepad.joystick.left_purpose", NONE)
global_config.set("gamepad.joystick.right_purpose", NONE)
self.injector = Injector(groups.find(name="gamepad"), active_preset)
self.injector.context = Context(active_preset)
path = "/dev/input/event30"
device = self.injector._grab_device(path)
self.assertIsNone(device) # no capability is used, so it won't grab
active_preset.change(EventCombination([EV_KEY, BTN_A, 1]), "keyboard", "a")
device = self.injector._grab_device(path)
self.assertIsNotNone(device)
gamepad = classify(device) == GAMEPAD
self.assertTrue(gamepad)
def test_gamepad_purpose_none_2(self):
# forward abs joystick events for the left joystick only
active_preset.set("gamepad.joystick.left_purpose", NONE)
global_config.set("gamepad.joystick.right_purpose", MOUSE)
self.injector = Injector(groups.find(name="gamepad"), active_preset)
self.injector.context = Context(active_preset)
path = "/dev/input/event30"
device = self.injector._grab_device(path)
# the right joystick maps as mouse, so it is grabbed
# even with an empty preset
self.assertIsNotNone(device)
gamepad = classify(device) == GAMEPAD
self.assertTrue(gamepad)
active_preset.change(EventCombination([EV_KEY, BTN_A, 1]), "keyboard", "a")
device = self.injector._grab_device(path)
gamepad = classify(device) == GAMEPAD
self.assertIsNotNone(device)
self.assertTrue(gamepad)
def test_skip_unused_device(self):
# skips a device because its capabilities are not used in the preset
active_preset.change(EventCombination([EV_KEY, 10, 1]), "keyboard", "a")
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
self.injector.context = Context(active_preset)
path = "/dev/input/event11"
device = self.injector._grab_device(path)
self.assertIsNone(device)
self.assertEqual(self.failed, 0)
def test_skip_unknown_device(self):
active_preset.change(EventCombination([EV_KEY, 10, 1]), "keyboard", "a")
# skips a device because its capabilities are not used in the preset
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
self.injector.context = Context(active_preset)
path = "/dev/input/event11"
device = self.injector._grab_device(path)
# skips the device alltogether, so no grab attempts fail
self.assertEqual(self.failed, 0)
self.assertIsNone(device)
def test_gamepad_to_mouse(self):
# maps gamepad joystick events to mouse events
global_config.set("gamepad.joystick.non_linearity", 1)
pointer_speed = 80
global_config.set("gamepad.joystick.pointer_speed", pointer_speed)
global_config.set("gamepad.joystick.left_purpose", MOUSE)
# they need to sum up before something is written
divisor = 10
x = MAX_ABS / pointer_speed / divisor
y = MAX_ABS / pointer_speed / divisor
push_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(groups.find(name="gamepad"), active_preset)
self.injector.start()
# 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):
push_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,
)
active_preset.set("gamepad.joystick.left_purpose", NONE)
active_preset.set("gamepad.joystick.right_purpose", NONE)
# BTN_A -> 77
active_preset.change(EventCombination([1, BTN_A, 1]), "keyboard", "b")
system_mapping._set("b", 77)
self.injector = Injector(groups.find(name="gamepad"), active_preset)
self.injector.start()
# 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
push_events(
"gamepad",
[
new_event(EV_ABS, ABS_Z, value),
new_event(EV_ABS, ABS_RZ, value),
],
)
# ABS_Z -> 77
# ABS_RZ is not mapped
active_preset.change(EventCombination((EV_ABS, ABS_Z, 1)), "keyboard", "b")
system_mapping._set("b", 77)
self.injector = Injector(groups.find(name="gamepad"), active_preset)
self.injector.start()
# 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_KEY, 77, 1)), 1)
self.assertEqual(history.count((EV_ABS, ABS_RZ, value)), 1)
@mock.patch("evdev.InputDevice.ungrab")
def test_gamepad_to_mouse_joystick_to_mouse(self, ungrab_patch):
active_preset.set("gamepad.joystick.left_purpose", MOUSE)
active_preset.set("gamepad.joystick.right_purpose", NONE)
self.injector = Injector(groups.find(name="gamepad"), active_preset)
# the stop message will be available in the pipe right away,
# so run won't block and just stop. all the stuff
# will be initialized though, so that stuff can be tested
self.injector.stop_injecting()
# the context serves no purpose in the main process (which runs the
# tests). The context is only accessible in the newly created process.
self.assertIsNone(self.injector.context)
# not in a process because this doesn't call start, so the
# joystick_to_mouse state can be checked
self.injector.run()
joystick_to_mouse = self.find_joystick_to_mouse()
self.assertEqual(joystick_to_mouse._abs_range[0], MIN_ABS)
self.assertEqual(joystick_to_mouse._abs_range[1], MAX_ABS)
self.assertEqual(
self.injector.context.preset.get("gamepad.joystick.left_purpose"), MOUSE
)
self.assertEqual(ungrab_patch.call_count, 1)
def test_device1_not_a_gamepad(self):
active_preset.set("gamepad.joystick.left_purpose", MOUSE)
active_preset.set("gamepad.joystick.right_purpose", WHEEL)
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
self.injector.stop_injecting()
self.injector.run()
# not a gamepad, so nothing should happen
self.assertEqual(len(self.injector._consumer_controls), 0)
def test_get_udev_name(self):
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
suffix = "mapped"
prefix = "input-remapper"
expected = f'{prefix} {"a" * (80 - len(suffix) - len(prefix) - 2)} {suffix}'
self.assertEqual(len(expected), 80)
self.assertEqual(get_udev_name("a" * 100, suffix), expected)
self.injector.device = "abcd"
self.assertEqual(
get_udev_name("abcd", "forwarded"),
"input-remapper abcd forwarded",
)
@mock.patch("evdev.InputDevice.ungrab")
def test_capabilities_and_uinput_presence(self, ungrab_patch):
active_preset.change(EventCombination([EV_KEY, KEY_A, 1]), "keyboard", "c")
active_preset.change(
EventCombination([EV_REL, REL_HWHEEL, 1]), "keyboard", "k(b)"
)
self.injector = Injector(groups.find(key="Foo Device 2"), active_preset)
self.injector.stop_injecting()
self.injector.run()
self.assertEqual(
self.injector.context.preset.get_mapping(
EventCombination([EV_KEY, KEY_A, 1])
),
("c", "keyboard"),
)
self.assertEqual(
self.injector.context.key_to_code[((EV_KEY, KEY_A, 1),)],
(KEY_C, "keyboard"),
)
self.assertEqual(
self.injector.context.preset.get_mapping(
EventCombination([EV_REL, REL_HWHEEL, 1])
),
("k(b)", "keyboard"),
)
self.assertEqual(
self.injector.context.macros[((EV_REL, REL_HWHEEL, 1),)][0].code, "k(b)"
)
self.assertListEqual(
sorted(uinputs.keys()),
sorted(
[
# reading and preventing original events from reaching the
# display server
"input-remapper Foo Device foo forwarded",
"input-remapper Foo Device forwarded",
]
),
)
forwarded_foo = uinputs.get("input-remapper Foo Device foo forwarded")
forwarded = uinputs.get("input-remapper Foo Device forwarded")
self.assertIsNotNone(forwarded_foo)
self.assertIsNotNone(forwarded)
# copies capabilities for all other forwarded devices
self.assertIn(EV_REL, forwarded_foo.capabilities())
self.assertIn(EV_KEY, forwarded.capabilities())
self.assertEqual(sorted(forwarded.capabilities()[EV_KEY]), keyboard_keys)
self.assertEqual(ungrab_patch.call_count, 2)
def test_injector(self):
# the tests in test_keycode_mapper.py test this stuff in detail
numlock_before = is_numlock_on()
combination = EventCombination((EV_KEY, 8, 1), (EV_KEY, 9, 1))
active_preset.change(combination, "keyboard", "k(KEY_Q).k(w)")
active_preset.change(EventCombination([EV_ABS, ABS_HAT0X, -1]), "keyboard", "a")
# one mapping that is unknown in the system_mapping on purpose
input_b = 10
active_preset.change(EventCombination([EV_KEY, input_b, 1]), "keyboard", "b")
# stuff the active_preset 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)
push_events(
"Bar Device",
[
# 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(groups.find(name="Bar Device"), active_preset)
self.assertEqual(self.injector.get_state(), UNKNOWN)
self.injector.start()
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.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_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)
active_preset.change(EventCombination([*w_down[:2], -1]), "keyboard", "w")
active_preset.change(EventCombination([*d_down[:2], 1]), "keyboard", "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()
push_events(
"gamepad",
[
new_event(*w_down),
new_event(*d_down),
new_event(*w_up),
new_event(*d_up),
],
)
self.injector = Injector(groups.find(name="gamepad"), active_preset)
# 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()
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"""
with mock.patch("inputremapper.utils.should_map_as_btn", lambda *_: 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):
# 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)
active_preset.change(EventCombination(hw_right), "keyboard", "k(b)")
active_preset.change(EventCombination(w_up), "keyboard", "c")
system_mapping.clear()
code_b = 91
code_c = 92
system_mapping._set("b", code_b)
system_mapping._set("c", code_c)
group_key = "Foo Device 2"
push_events(
group_key,
[new_event(*w_up)] * 10
+ [new_event(*hw_right), new_event(*w_up)] * 5
+ [new_event(*hw_left)],
)
group = groups.find(key=group_key)
self.injector = Injector(group, active_preset)
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, group.paths)
self.injector.start()
# 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))
# in 5 more read-loop ticks, nothing new should have happened.
# add a bit of a head-start of one EVENT_READ_TIMEOUT to avoid race-conditions
# in tests
self.assertFalse(
uinput_write_history_pipe[0].poll(timeout=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.assertAlmostEqual(
wait_for_uinput_write(), EVENT_READ_TIMEOUT * 5, delta=EVENT_READ_TIMEOUT
)
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 (lets use 5 so that the test passes even if it lags)
# 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 = Preset()
ev_1 = (EV_KEY, 41, 1)
ev_2 = (EV_KEY, 42, 1)
ev_3 = (EV_KEY, 43, 1)
# a combination
mapping.change(EventCombination(ev_1, ev_2, ev_3), "keyboard", "k(a)")
self.injector = Injector(groups.find(key="Foo Device 2"), mapping)
history = []
class Stop(Exception):
pass
def _copy_capabilities(*args):
history.append(args)
# avoid going into any mainloop
raise Stop()
with mock.patch.object(self.injector, "_copy_capabilities", _copy_capabilities):
try:
self.injector.run()
except Stop:
pass
# one call
self.assertEqual(len(history), 1)
# first argument of the first call
macros = self.injector.context.macros
self.assertEqual(len(macros), 2)
self.assertEqual(macros[(ev_1, ev_2, ev_3)][0].code, "k(a)")
self.assertEqual(macros[(ev_2, ev_1, ev_3)][0].code, "k(a)")
def test_key_to_code(self):
mapping = Preset()
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(EventCombination(ev_1), "keyboard", "a")
# a combination
mapping.change(EventCombination(ev_2, ev_3, ev_4), "keyboard", "b")
self.assertEqual(
mapping.get_mapping(EventCombination(ev_2, ev_3, ev_4)), ("b", "keyboard")
)
system_mapping.clear()
system_mapping._set("a", 51)
system_mapping._set("b", 52)
injector = Injector(groups.find(key="Foo Device 2"), mapping)
injector.context = Context(mapping)
self.assertEqual(injector.context.key_to_code.get((ev_1,)), (51, "keyboard"))
# permutations to make matching combinations easier
self.assertEqual(
injector.context.key_to_code.get((ev_2, ev_3, ev_4)), (52, "keyboard")
)
self.assertEqual(
injector.context.key_to_code.get((ev_3, ev_2, ev_4)), (52, "keyboard")
)
self.assertEqual(len(injector.context.key_to_code), 3)
def test_is_in_capabilities(self):
key = EventCombination([1, 2, 1])
capabilities = {1: [9, 2, 5]}
self.assertTrue(is_in_capabilities(key, capabilities))
key = EventCombination((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 = EventCombination((1, 2, 1), (1, 5, 1))
capabilities = {1: [9, 2, 5]}
self.assertTrue(is_in_capabilities(key, capabilities))
class TestModifyCapabilities(unittest.TestCase):
@classmethod
def setUpClass(cls):
quick_cleanup()
def setUp(self):
class FakeDevice:
def __init__(self):
self._capabilities = {
evdev.ecodes.EV_SYN: [1, 2, 3],
evdev.ecodes.EV_FF: [1, 2, 3],
EV_ABS: [
(
1,
evdev.AbsInfo(
value=None,
min=None,
max=1234,
fuzz=None,
flat=None,
resolution=None,
),
),
(
2,
evdev.AbsInfo(
value=None,
min=50,
max=2345,
fuzz=None,
flat=None,
resolution=None,
),
),
3,
],
}
def capabilities(self, absinfo=False):
assert absinfo is True
return self._capabilities
mapping = Preset()
mapping.change(EventCombination([EV_KEY, 80, 1]), "keyboard", "a")
mapping.change(EventCombination([EV_KEY, 81, 1]), "keyboard", DISABLE_NAME)
macro_code = "r(2, m(sHiFt_l, r(2, k(1).k(2))))"
macro = parse(macro_code, mapping)
mapping.change(EventCombination([EV_KEY, 60, 111]), "keyboard", macro_code)
# going to be ignored, because EV_REL cannot be mapped, that's
# mouse movements.
mapping.change(EventCombination([EV_REL, 1234, 3]), "keyboard", "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):
quick_cleanup()
def test_copy_capabilities(self):
self.mapping.change(
EventCombination([EV_KEY, 60, 1]), "keyboard", self.macro.code
)
# I don't know what ABS_VOLUME is, for now I would like to just always
# remove it until somebody complains, since its presence broke stuff
self.injector = Injector(None, self.mapping)
self.fake_device._capabilities = {
EV_ABS: [ABS_VOLUME, (ABS_X, evdev.AbsInfo(0, 0, 500, 0, 0, 0))],
EV_KEY: [1, 2, 3],
EV_REL: [11, 12, 13],
evdev.ecodes.EV_SYN: [1],
evdev.ecodes.EV_FF: [2],
}
capabilities = self.injector._copy_capabilities(self.fake_device)
self.assertNotIn(ABS_VOLUME, capabilities[EV_ABS])
self.assertNotIn(evdev.ecodes.EV_SYN, capabilities)
self.assertNotIn(evdev.ecodes.EV_FF, capabilities)
self.assertListEqual(capabilities[EV_KEY], [1, 2, 3])
self.assertListEqual(capabilities[EV_REL], [11, 12, 13])
self.assertEqual(capabilities[EV_ABS][0][1].max, 500)
if __name__ == "__main__":
unittest.main()
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