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input-remapper/tests/testcases/test_integration.py

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# key-mapper - GUI for device specific keyboard mappings
# Copyright (C) 2020 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 sys
import time
import grp
import os
import unittest
import evdev
from evdev.events import EV_KEY, EV_ABS
import json
from unittest.mock import patch
from importlib.util import spec_from_loader, module_from_spec
from importlib.machinery import SourceFileLoader
import gi
import shutil
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, Gdk
from keymapper.state import custom_mapping, system_mapping, XMODMAP_FILENAME
from keymapper.paths import CONFIG_PATH, get_preset_path
from keymapper.config import config, WHEEL, MOUSE
from keymapper.dev.reader import keycode_reader
from keymapper.gtk.row import to_string
from keymapper.dev import permissions
from tests.test import tmp, pending_events, InputEvent, \
uinput_write_history_pipe, cleanup
def gtk_iteration():
"""Iterate while events are pending."""
while Gtk.events_pending():
Gtk.main_iteration()
# iterate a few times when Gtk.main() is called, but don't block
# there and just continue to the tests while the UI becomes
# unresponsive
Gtk.main = gtk_iteration
# doesn't do much except avoid some Gtk assertion error, whatever:
Gtk.main_quit = lambda: None
def launch(argv=None):
"""Start key-mapper-gtk with the command line argument array argv."""
custom_mapping.empty()
bin_path = os.path.join(os.getcwd(), 'bin', 'key-mapper-gtk')
if not argv:
argv = ['-d']
with patch.object(sys, 'argv', [''] + [str(arg) for arg in argv]):
loader = SourceFileLoader('__main__', bin_path)
spec = spec_from_loader('__main__', loader)
module = module_from_spec(spec)
spec.loader.exec_module(module)
gtk_iteration()
return module.window
class FakeDropdown(Gtk.ComboBoxText):
def __init__(self, name):
self.name = name
def get_active_text(self):
return self.name
def get_active_id(self):
return self.name
class TestIntegration(unittest.TestCase):
"""For tests that use the window.
Try to modify the configuration only by calling functions of the window.
"""
def setUp(self):
self.window = launch()
self.original_on_close = self.window.on_close
def tearDown(self):
self.window.on_close = self.original_on_close
self.window.on_apply_system_layout_clicked(None)
gtk_iteration()
self.window.on_close()
self.window.window.destroy()
gtk_iteration()
cleanup()
def get_rows(self):
return self.window.get('key_list').get_children()
def test_ctrl_q(self):
class Event:
def __init__(self, keyval):
self.keyval = keyval
def get_keyval(self):
return True, self.keyval
closed = False
def on_close():
nonlocal closed
closed = True
self.window.on_close = on_close
self.window.key_press(self.window, Event(Gdk.KEY_Control_L))
self.window.key_press(self.window, Event(Gdk.KEY_a))
self.window.key_release(self.window, Event(Gdk.KEY_Control_L))
self.window.key_release(self.window, Event(Gdk.KEY_a))
self.window.key_press(self.window, Event(Gdk.KEY_b))
self.window.key_press(self.window, Event(Gdk.KEY_q))
self.window.key_release(self.window, Event(Gdk.KEY_q))
self.window.key_release(self.window, Event(Gdk.KEY_b))
self.assertFalse(closed)
self.window.key_press(self.window, Event(Gdk.KEY_Control_L))
self.window.key_press(self.window, Event(Gdk.KEY_q))
self.assertTrue(closed)
self.window.key_release(self.window, Event(Gdk.KEY_Control_L))
self.window.key_release(self.window, Event(Gdk.KEY_q))
def test_show_device_mapping_status(self):
# this function may not return True, otherwise the timeout
# runs forever
self.assertFalse(self.window.show_device_mapping_status())
def test_autoload(self):
self.window.on_autoload_switch(None, False)
self.assertFalse(config.is_autoloaded(
self.window.selected_device,
self.window.selected_preset
))
self.window.on_select_device(FakeDropdown('device 1'))
gtk_iteration()
self.assertFalse(self.window.get('preset_autoload_switch').get_active())
# select a preset for the first device
self.window.get('preset_autoload_switch').set_active(True)
gtk_iteration()
self.assertTrue(self.window.get('preset_autoload_switch').get_active())
self.assertTrue(config.is_autoloaded('device 1', 'new preset'))
self.assertFalse(config.is_autoloaded('device 2', 'new preset'))
self.assertListEqual(
list(config.iterate_autoload_presets()),
[('device 1', 'new preset')]
)
# switch the preset, the switch should be correct and the config
# not changed.
self.window.on_create_preset_clicked(None)
gtk_iteration()
self.assertEqual(self.window.selected_preset, 'new preset 2')
self.assertFalse(self.window.get('preset_autoload_switch').get_active())
self.assertTrue(config.is_autoloaded('device 1', 'new preset'))
# select a preset for the second device
self.window.on_select_device(FakeDropdown('device 2'))
self.window.get('preset_autoload_switch').set_active(True)
gtk_iteration()
self.assertTrue(config.is_autoloaded('device 1', 'new preset'))
self.assertTrue(config.is_autoloaded('device 2', 'new preset'))
self.assertListEqual(
list(config.iterate_autoload_presets()),
[('device 1', 'new preset'), ('device 2', 'new preset')]
)
# disable autoloading for the second device
self.window.get('preset_autoload_switch').set_active(False)
gtk_iteration()
self.assertTrue(config.is_autoloaded('device 1', 'new preset'))
self.assertFalse(config.is_autoloaded('device 2', 'new preset'))
self.assertListEqual(
list(config.iterate_autoload_presets()),
[('device 1', 'new preset')]
)
def test_select_device(self):
# creates a new empty preset when no preset exists for the device
self.window.on_select_device(FakeDropdown('device 1'))
custom_mapping.change((EV_KEY, 50, 1), 'q')
custom_mapping.change((EV_KEY, 51, 1), 'u')
custom_mapping.change((EV_KEY, 52, 1), 'x')
self.assertEqual(len(custom_mapping), 3)
self.window.on_select_device(FakeDropdown('device 2'))
self.assertEqual(len(custom_mapping), 0)
# it creates the file for that right away. It may have been possible
# to write it such that it doesn't (its empty anyway), but it does,
# so use that to test it in more detail.
path = get_preset_path('device 2', 'new preset')
self.assertTrue(os.path.exists(path))
with open(path, 'r') as file:
preset = json.load(file)
self.assertEqual(len(preset['mapping']), 0)
def test_can_start(self):
self.assertIsNotNone(self.window)
self.assertTrue(self.window.window.get_visible())
def test_row_keycode_to_string(self):
# not an integration test, but I have all the row tests here already
self.assertEqual(to_string(EV_KEY, evdev.ecodes.KEY_9, 1), '9')
self.assertEqual(to_string(EV_KEY, evdev.ecodes.KEY_SEMICOLON, 1), 'SEMICOLON')
self.assertEqual(to_string(EV_ABS, evdev.ecodes.ABS_HAT0X, -1), 'ABS_HAT0X L')
self.assertEqual(to_string(EV_ABS, evdev.ecodes.ABS_HAT0X, 1), 'ABS_HAT0X R')
self.assertEqual(to_string(EV_KEY, evdev.ecodes.BTN_A, 1), 'BTN_A')
def test_row_simple(self):
rows = self.window.get('key_list').get_children()
self.assertEqual(len(rows), 1)
row = rows[0]
row.set_new_keycode(None)
self.assertIsNone(row.get_keycode())
self.assertEqual(len(custom_mapping), 0)
self.assertEqual(row.keycode_input.get_label(), 'click here')
row.set_new_keycode((EV_KEY, 30, 1))
self.assertEqual(len(custom_mapping), 0)
self.assertEqual(row.get_keycode(), (EV_KEY, 30, 1))
# this is KEY_A in linux/input-event-codes.h,
# but KEY_ is removed from the text
self.assertEqual(row.keycode_input.get_label(), 'A')
row.set_new_keycode((EV_KEY, 30, 1))
self.assertEqual(len(custom_mapping), 0)
self.assertEqual(row.get_keycode(), (EV_KEY, 30, 1))
time.sleep(0.1)
gtk_iteration()
self.assertEqual(len(self.window.get('key_list').get_children()), 1)
row.character_input.set_text('Shift_L')
self.assertEqual(len(custom_mapping), 1)
time.sleep(0.1)
gtk_iteration()
self.assertEqual(len(self.window.get('key_list').get_children()), 2)
self.assertEqual(custom_mapping.get_character((EV_KEY, 30, 1)), 'Shift_L')
self.assertEqual(row.get_character(), 'Shift_L')
self.assertEqual(row.get_keycode(), (EV_KEY, 30, 1))
def change_empty_row(self, key, char, code_first=True, expect_success=True):
"""Modify the one empty row that always exists.
Utility function for other tests.
Parameters
----------
key : int, int, int
type, code, value
code_first : boolean
If True, the code is entered and then the character.
If False, the character is entered first.
expect_success : boolean
If this change on the empty row is going to result in a change
in the mapping eventually. False if this change is going to
cause a duplicate.
"""
# wait for the window to create a new empty row if needed
time.sleep(0.1)
gtk_iteration()
# find the empty row
rows = self.get_rows()
row = rows[-1]
self.assertIsNone(row.get_keycode())
self.assertEqual(row.character_input.get_text(), '')
self.assertNotIn('changed', row.get_style_context().list_classes())
if char and not code_first:
# set the character to make the new row complete
self.assertIsNone(row.get_character())
row.character_input.set_text(char)
self.assertEqual(row.get_character(), char)
if row.keycode_input.is_focus():
self.assertEqual(row.keycode_input.get_label(), 'press key')
else:
self.assertEqual(row.keycode_input.get_label(), 'click here')
self.window.window.set_focus(row.keycode_input)
gtk_iteration()
self.assertIsNone(row.get_keycode())
self.assertEqual(row.keycode_input.get_label(), 'press key')
if key:
# modifies the keycode in the row not by writing into the input,
# but by sending an event
keycode_reader._pipe[1].send(InputEvent(*key))
time.sleep(0.1)
gtk_iteration()
if expect_success:
self.assertEqual(row.get_keycode(), key)
css_classes = row.get_style_context().list_classes()
self.assertIn('changed', css_classes)
self.assertEqual(row.keycode_input.get_label(), to_string(*key))
if not expect_success:
self.assertIsNone(row.get_keycode())
self.assertIsNone(row.get_character())
self.assertNotIn('changed', row.get_style_context().list_classes())
return row
if char and code_first:
# set the character to make the new row complete
self.assertIsNone(row.get_character())
row.character_input.set_text(char)
self.assertEqual(row.get_character(), char)
return row
def test_rows(self):
"""Comprehensive test for rows."""
# how many rows there should be in the end
num_rows_target = 3
ev_1 = (EV_KEY, 10, 1)
ev_2 = (EV_ABS, evdev.ecodes.ABS_HAT0X, -1)
"""edit"""
# add two rows by modifiying the one empty row that exists
self.change_empty_row(ev_1, 'a', code_first=False)
self.change_empty_row(ev_2, 'k(b).k(c)')
# one empty row added automatically again
time.sleep(0.1)
gtk_iteration()
self.assertEqual(len(self.get_rows()), num_rows_target)
self.assertEqual(custom_mapping.get_character(ev_1), 'a')
self.assertEqual(custom_mapping.get_character(ev_2), 'k(b).k(c)')
self.assertTrue(custom_mapping.changed)
"""save"""
self.window.on_save_preset_clicked(None)
for row in self.get_rows():
css_classes = row.get_style_context().list_classes()
self.assertNotIn('changed', css_classes)
self.assertFalse(custom_mapping.changed)
"""edit first row"""
# now change the first row and it should turn blue,
# but the other should remain unhighlighted
row = self.get_rows()[0]
row.character_input.set_text('c')
self.assertIn('changed', row.get_style_context().list_classes())
for row in self.get_rows()[1:]:
css_classes = row.get_style_context().list_classes()
self.assertNotIn('changed', css_classes)
self.assertEqual(custom_mapping.get_character(ev_1), 'c')
self.assertEqual(custom_mapping.get_character(ev_2), 'k(b).k(c)')
self.assertTrue(custom_mapping.changed)
"""add duplicate"""
# try to add a duplicate keycode, it should be ignored
self.change_empty_row(ev_2, 'd', expect_success=False)
self.assertEqual(custom_mapping.get_character(ev_2), 'k(b).k(c)')
# and the number of rows shouldn't change
self.assertEqual(len(self.get_rows()), num_rows_target)
def test_hat0x(self):
# it should be possible to add all of them
ev_1 = (EV_ABS, evdev.ecodes.ABS_HAT0X, -1)
ev_2 = (EV_ABS, evdev.ecodes.ABS_HAT0X, 1)
ev_3 = (EV_ABS, evdev.ecodes.ABS_HAT0Y, -1)
ev_4 = (EV_ABS, evdev.ecodes.ABS_HAT0Y, 1)
self.change_empty_row(ev_1, 'a')
self.change_empty_row(ev_2, 'b')
self.change_empty_row(ev_3, 'c')
self.change_empty_row(ev_4, 'd')
self.assertEqual(custom_mapping.get_character(ev_1), 'a')
self.assertEqual(custom_mapping.get_character(ev_2), 'b')
self.assertEqual(custom_mapping.get_character(ev_3), 'c')
self.assertEqual(custom_mapping.get_character(ev_4), 'd')
self.assertTrue(custom_mapping.changed)
# and trying to add them as duplicate rows will be ignored for each
# of them
self.change_empty_row(ev_1, 'e', expect_success=False)
self.change_empty_row(ev_2, 'f', expect_success=False)
self.change_empty_row(ev_3, 'g', expect_success=False)
self.change_empty_row(ev_4, 'h', expect_success=False)
self.assertEqual(custom_mapping.get_character(ev_1), 'a')
self.assertEqual(custom_mapping.get_character(ev_2), 'b')
self.assertEqual(custom_mapping.get_character(ev_3), 'c')
self.assertEqual(custom_mapping.get_character(ev_4), 'd')
self.assertTrue(custom_mapping.changed)
def test_remove_row(self):
"""Comprehensive test for rows 2."""
# sleeps are added to be able to visually follow and debug the test.
# add two rows by modifiying the one empty row that exists
row_1 = self.change_empty_row((EV_KEY, 10, 1), 'a')
row_2 = self.change_empty_row((EV_KEY, 11, 1), 'b')
row_3 = self.change_empty_row(None, 'c')
# no empty row added because one is unfinished
time.sleep(0.2)
gtk_iteration()
self.assertEqual(len(self.get_rows()), 3)
self.assertEqual(custom_mapping.get_character((EV_KEY, 11, 1)), 'b')
def remove(row, code, char, num_rows_after):
"""Remove a row by clicking the delete button.
Parameters
----------
row : Row
code : int or None
keycode of the mapping that is displayed by this row
char : string or None
ouptut of the mapping that is displayed by this row
num_rows_after : int
after deleting, how many rows are expected to still be there
"""
if code is not None and char is not None:
self.assertEqual(custom_mapping.get_character((EV_KEY, code, 1)), char)
self.assertEqual(row.get_character(), char)
if code is None:
self.assertIsNone(row.get_keycode())
else:
self.assertEqual(row.get_keycode(), (EV_KEY, code, 1))
row.on_delete_button_clicked()
time.sleep(0.2)
gtk_iteration()
# if a reference to the row is held somewhere and it is
# accidentally used again, make sure to not provide any outdated
# information that is supposed to be deleted
self.assertIsNone(row.get_keycode())
self.assertIsNone(row.get_character())
self.assertIsNone(custom_mapping.get_character((EV_KEY, code, 1)))
self.assertEqual(len(self.get_rows()), num_rows_after)
remove(row_1, 10, 'a', 2)
remove(row_2, 11, 'b', 1)
# there is no empty row at the moment, so after removing that one,
# which is the only row, one empty row will be there. So the number
# of rows won't change.
remove(row_3, None, 'c', 1)
def test_rename_and_save(self):
custom_mapping.change((EV_KEY, 14, 1), 'a', None)
self.assertEqual(self.window.selected_preset, 'new preset')
self.window.on_save_preset_clicked(None)
self.assertEqual(custom_mapping.get_character((EV_KEY, 14, 1)), 'a')
custom_mapping.change((EV_KEY, 14, 1), 'b', None)
self.window.get('preset_name_input').set_text('asdf')
self.window.on_save_preset_clicked(None)
self.assertEqual(self.window.selected_preset, 'asdf')
self.assertTrue(os.path.exists(f'{CONFIG_PATH}/presets/device 1/asdf.json'))
self.assertEqual(custom_mapping.get_character((EV_KEY, 14, 1)), 'b')
def test_check_macro_syntax(self):
status = self.window.get('status_bar')
custom_mapping.change((EV_KEY, 9, 1), 'k(1))', None)
self.window.on_save_preset_clicked(None)
tooltip = status.get_tooltip_text().lower()
self.assertIn('brackets', tooltip)
custom_mapping.change((EV_KEY, 9, 1), 'k(1)', None)
self.window.on_save_preset_clicked(None)
tooltip = status.get_tooltip_text().lower()
self.assertNotIn('brackets', tooltip)
self.assertIn('saved', tooltip)
self.assertEqual(custom_mapping.get_character((EV_KEY, 9, 1)), 'k(1)')
def test_select_device_and_preset(self):
# created on start because the first device is selected and some empty
# preset prepared.
self.assertTrue(os.path.exists(f'{CONFIG_PATH}/presets/device 1/new preset.json'))
self.assertEqual(self.window.selected_device, 'device 1')
self.assertEqual(self.window.selected_preset, 'new preset')
# create another one
self.window.on_create_preset_clicked(None)
gtk_iteration()
self.assertTrue(os.path.exists(f'{CONFIG_PATH}/presets/device 1/new preset.json'))
self.assertTrue(os.path.exists(f'{CONFIG_PATH}/presets/device 1/new preset 2.json'))
self.assertEqual(self.window.selected_preset, 'new preset 2')
self.window.on_select_preset(FakeDropdown('new preset'))
gtk_iteration()
self.assertEqual(self.window.selected_preset, 'new preset')
self.assertListEqual(
sorted(os.listdir(f'{CONFIG_PATH}/presets/device 1')),
sorted(['new preset.json', 'new preset 2.json'])
)
# now try to change the name
self.window.get('preset_name_input').set_text('abc 123')
gtk_iteration()
self.assertEqual(self.window.selected_preset, 'new preset')
self.assertFalse(os.path.exists(f'{CONFIG_PATH}/presets/device 1/abc 123.json'))
custom_mapping.change((EV_KEY, 10, 1), '1', None)
self.window.on_save_preset_clicked(None)
gtk_iteration()
self.assertEqual(self.window.selected_preset, 'abc 123')
self.assertTrue(os.path.exists(f'{CONFIG_PATH}/presets/device 1/abc 123.json'))
self.assertListEqual(
sorted(os.listdir(os.path.join(CONFIG_PATH, 'presets'))),
sorted(['device 1'])
)
self.assertListEqual(
sorted(os.listdir(f'{CONFIG_PATH}/presets/device 1')),
sorted(['abc 123.json', 'new preset 2.json'])
)
def test_gamepad_config(self):
# select a device that is not a gamepad
self.window.on_select_device(FakeDropdown('device 1'))
self.assertFalse(self.window.get('gamepad_config').is_visible())
# select a gamepad
self.window.on_select_device(FakeDropdown('gamepad'))
self.assertTrue(self.window.get('gamepad_config').is_visible())
# set stuff
self.window.get('left_joystick_purpose').set_active_id(WHEEL)
self.window.get('right_joystick_purpose').set_active_id(WHEEL)
joystick_mouse_speed = 5
self.window.get('joystick_mouse_speed').set_value(joystick_mouse_speed)
# it should be stored in custom_mapping, which overwrites the
# global config
config.set('gamepad.joystick.left_purpose', MOUSE)
config.set('gamepad.joystick.right_purpose', MOUSE)
config.set('gamepad.joystick.pointer_speed', 50)
left_purpose = custom_mapping.get('gamepad.joystick.left_purpose')
right_purpose = custom_mapping.get('gamepad.joystick.right_purpose')
pointer_speed = custom_mapping.get('gamepad.joystick.pointer_speed')
self.assertEqual(left_purpose, WHEEL)
self.assertEqual(right_purpose, WHEEL)
self.assertEqual(pointer_speed, 2 ** joystick_mouse_speed)
# select a device that is not a gamepad again
self.window.on_select_device(FakeDropdown('device 1'))
self.assertFalse(self.window.get('gamepad_config').is_visible())
def test_start_injecting(self):
keycode_from = 9
keycode_to = 200
self.change_empty_row((EV_KEY, keycode_from, 1), 'a')
system_mapping.clear()
system_mapping._set('a', keycode_to)
pending_events['device 2'] = [
InputEvent(evdev.events.EV_KEY, keycode_from, 1),
InputEvent(evdev.events.EV_KEY, keycode_from, 0)
]
custom_mapping.save(get_preset_path('device 2', 'foo preset'))
# use only the manipulated system_mapping
os.remove(os.path.join(tmp, XMODMAP_FILENAME))
self.window.selected_device = 'device 2'
self.window.selected_preset = 'foo preset'
self.window.on_apply_preset_clicked(None)
# the integration tests will cause the injection to be started as
# processes, as intended. Luckily, recv will block until the events
# are handled and pushed.
# Note, that pushing events to pending_events won't work anymore
# from here on because the injector processes memory cannot be
# modified from here.
event = uinput_write_history_pipe[0].recv()
self.assertEqual(event.type, evdev.events.EV_KEY)
self.assertEqual(event.code, keycode_to)
self.assertEqual(event.value, 1)
event = uinput_write_history_pipe[0].recv()
self.assertEqual(event.type, evdev.events.EV_KEY)
self.assertEqual(event.code, keycode_to)
self.assertEqual(event.value, 0)
def test_stop_injecting(self):
keycode_from = 16
keycode_to = 90
self.change_empty_row((EV_KEY, keycode_from, 1), 't')
system_mapping.clear()
system_mapping._set('t', keycode_to)
# not all of those events should be processed, since that takes some
# time due to time.sleep in the fakes and the injection is stopped.
pending_events['device 2'] = [InputEvent(1, keycode_from, 1)] * 100
custom_mapping.save(get_preset_path('device 2', 'foo preset'))
self.window.selected_device = 'device 2'
self.window.selected_preset = 'foo preset'
self.window.on_apply_preset_clicked(None)
pipe = uinput_write_history_pipe[0]
# block until the first event is available, indicating that
# the injector is ready
write_history = [pipe.recv()]
# stop
self.window.on_apply_system_layout_clicked(None)
# try to receive a few of the events
time.sleep(0.2)
while pipe.poll():
write_history.append(pipe.recv())
len_before = len(write_history)
self.assertLess(len(write_history), 50)
# since the injector should not be running anymore, no more events
# should be received after waiting even more time
time.sleep(0.2)
while pipe.poll():
write_history.append(pipe.recv())
self.assertEqual(len(write_history), len_before)
original_access = os.access
original_getgrnam = grp.getgrnam
original_can_read_devices = permissions.can_read_devices
class TestPermissions(unittest.TestCase):
def tearDown(self):
os.access = original_access
os.getgrnam = original_getgrnam
permissions.can_read_devices = original_can_read_devices
if self.window is not None:
self.window.on_close()
self.window.window.destroy()
gtk_iteration()
self.window = None
shutil.rmtree('/tmp/key-mapper-test')
def test_fails(self):
def fake():
return ['error1', 'error2', 'error3']
permissions.can_read_devices = fake
self.window = launch()
status = self.window.get('status_bar')
tooltip = status.get_tooltip_text()
self.assertIn('sudo', tooltip)
self.assertIn('pkexec', tooltip)
self.assertIn('error1', tooltip)
self.assertIn('error2', tooltip)
self.assertIn('error3', tooltip)
def test_good(self):
def fake():
return []
permissions.can_read_devices = fake
self.window = launch()
status = self.window.get('status_bar')
self.assertIsNone(status.get_tooltip_text())
if __name__ == "__main__":
unittest.main()
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