feat(proxy-client): добавлен мастер установки системной службы

- Зачем: установка с нуля и переход из ручного Xray одной командой.
- Что: план с подтверждением или --yes, скрытый ввод ссылки, проверка Xray,
  перенос настроек, запуск службы и переключение домашнего профиля;
  безопасное продолжение после сбоя и сохранение существующих настроек.
- Проверка: cross-review Claude и исправление находок; по 108 тестов на
  Python 3.8 и 3.14 под PTY, 18 Bash-проверок. После аудита уточнена
  фикстура повторного запуска и отдельно проверена на обеих версиях Python.
  Настоящие службы и настройки машины не изменялись.
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ddadmin committed 2026-11-04 21:15:23 +01:00
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"""Интерактивная установка через CLI; системные действия подменены."""
import json
import hashlib
import os
import pty
import select
import subprocess
import sys
import tempfile
import time
import unittest
import zipfile
from pathlib import Path
CLI = Path(__file__).resolve().parents[1] / 'proxy-client/.local/bin/proxy-client'
URL = ('vless://11111111-2222-4333-8444-555555555555@cdn.example:443'
'?type=xhttp&security=tls&encryption=none&sni=cdn.example&fp=chrome&path=%2FSECRET')
CONFIG = '[proxy]\ntype=xray\nname=Test\naddress=127.0.0.1\nport=12334\nno_proxy_extra=.example\n'
class ServiceSetupTest(unittest.TestCase):
def setUp(self):
temporary = tempfile.TemporaryDirectory()
self.addCleanup(temporary.cleanup)
self.root = Path(temporary.name)
self.config = self.root / 'config/proxy-client'
self.config.mkdir(parents=True)
self.fake = self.root / 'bin'
self.fake.mkdir()
self.log = self.root / 'actions'
self.stage = self.root / 'system'
self.env = dict(os.environ, HOME=str(self.root / 'home'),
XDG_CONFIG_HOME=str(self.root / 'config'),
XDG_STATE_HOME=str(self.root / 'state'),
PYTHONPATH=str(self.fake), TEST_ROOT=str(self.root),
PATH=str(self.fake) + os.pathsep + os.defpath)
(self.fake / 'python3').symlink_to(sys.executable)
(self.fake / 'sitecustomize.py').write_text('''
import os, sys, pathlib, getpass, grp, types, socket, urllib.request, io
OriginalPath = type(pathlib.Path())
class StagedPath:
home = staticmethod(OriginalPath.home)
def __new__(cls, *parts, **kwargs):
if parts == ('/',):
parts = (os.environ['TEST_ROOT'] + '/system',)
return OriginalPath(*parts, **kwargs)
pathlib.Path = StagedPath
os.geteuid = lambda: 0 if os.environ.get('TEST_PRIVILEGED') else 1000
sys.stdin.isatty = lambda: not os.environ.get('TEST_PRIVILEGED') and not os.environ.get('TEST_NO_TTY')
if not os.environ.get('TEST_REAL_GETPASS'):
getpass.getpass = lambda prompt: input(prompt)
grp.getgrnam = lambda name: types.SimpleNamespace(gr_gid=os.getgid())
def chown(path, uid, gid):
assert str(path).startswith(os.environ['TEST_ROOT'] + '/system/')
os.chown = chown
class LocalSocket:
def __init__(self, *args, **kwargs): pass
def __enter__(self): return self
def __exit__(self, *args): pass
def close(self): pass
def setsockopt(self, *args): pass
def bind(self, address):
busy = os.environ.get('TEST_PORT_BUSY')
if busy == 'manual':
busy = os.path.exists(os.environ['TEST_ROOT'] + '/manual-active')
if busy: raise OSError('busy')
socket.socket = LocalSocket
def connect(*args, **kwargs):
if not os.path.exists(os.environ['TEST_ROOT'] + '/system/active'):
raise OSError('not ready')
return LocalSocket()
socket.create_connection = connect
original_readlink = os.readlink
original_read_bytes = OriginalPath.read_bytes
def readlink(path, *args, **kwargs):
if str(path) == '/proc/4321/exe':
if not os.path.exists(os.environ['TEST_ROOT'] + '/manual-active'): raise FileNotFoundError()
return os.environ['TEST_ROOT'] + '/bin/xray'
return original_readlink(path, *args, **kwargs)
def read_bytes(path):
if str(path) == '/proc/4322/cmdline':
if not os.path.exists(os.environ['TEST_ROOT'] + '/manual-active'): raise FileNotFoundError()
return b'proxy-client start'
return original_read_bytes(path)
os.readlink = readlink
OriginalPath.read_bytes = read_bytes
def kill(pid, signum):
assert not os.environ.get('TEST_PRIVILEGED'), 'нельзя останавливать пользовательский процесс от root'
assert pid == 4322, 'чужой PID'
os.unlink(os.environ['TEST_ROOT'] + '/manual-active')
with open(os.environ['TEST_ROOT'] + '/actions', 'a') as stream:
stream.write('["manual-stop"]\\n')
os.kill = kill
def urlopen(url, **kwargs):
if os.environ.get('TEST_DOWNLOAD_FAIL'): raise OSError('download failed')
with open(os.environ['TEST_ROOT'] + '/actions', 'a') as stream:
stream.write('["download"]\\n')
suffix = 'digest' if url.endswith('.dgst') else 'archive'
return io.BytesIO(open(os.environ['TEST_ROOT'] + '/' + suffix, 'rb').read())
urllib.request.urlopen = urlopen
''')
self.executable('sudo', '''#!/usr/bin/env python3
import json, os, sys
args = sys.argv[1:]
with open(os.environ['TEST_ROOT'] + '/actions', 'a') as stream:
stream.write(json.dumps(['sudo'] + args) + '\\n')
if os.environ.get('TEST_FAIL_SUDO'): sys.exit(23)
if args[0] == '--': args.pop(0)
os.environ['TEST_PRIVILEGED'] = '1'
os.environ['HOME'] = os.environ['TEST_ROOT'] + '/root-home'
os.environ.pop('XDG_CONFIG_HOME', None)
os.environ.pop('XDG_STATE_HOME', None)
os.execvpe(args[0], args, os.environ)
''')
self.executable('systemd-sysusers', '#!/bin/sh\nexit 0\n')
self.executable('systemctl', '''#!/usr/bin/env python3
import json, os, sys
from pathlib import Path
root = Path(os.environ['TEST_ROOT'])
with (root / 'actions').open('a') as stream:
stream.write(json.dumps(['systemctl'] + sys.argv[1:]) + '\\n')
action = sys.argv[1]
active = root / 'system/active'
if action in ('start', 'restart') or (action == 'enable' and '--now' in sys.argv):
if os.environ.get('TEST_FAIL_START'): sys.exit(1)
if not os.environ.get('TEST_NOT_READY'): active.touch()
if os.environ.get('TEST_CHANGE_LINK_AT_START'):
link = root / 'config/proxy-client/default.url'
link.write_text(link.read_text().replace('cdn.example:443', 'after-start.example:443'))
if (action == 'stop' or (action == 'disable' and '--now' in sys.argv)) and active.exists(): active.unlink()
if action == 'is-active': sys.exit(0 if active.exists() else 1)
''')
self.executable('xray', '#!/bin/sh\n'
'[ "$1" != version ] || echo "Xray 26.10.10 (fake)"\nexit 0\n')
def executable(self, name, text):
path = self.fake / name
path.write_text(text)
path.chmod(0o755)
def ready_profile(self):
(self.config / 'config').write_text(CONFIG)
(self.config / 'default.url').write_text(URL + '\n')
(self.config / 'default.url').chmod(0o600)
def running_profile(self):
self.ready_profile()
state = self.root / 'state/proxy-client'
state.mkdir(parents=True, exist_ok=True)
(state / 'state.json').write_text(json.dumps({
'supervisor_pid': 4322, 'xray_pid': 4321, 'xray_path': str(self.fake / 'xray'),
'address': '127.0.0.1', 'port': 12334}))
(self.root / 'manual-active').touch()
def cli(self, answers='', *args):
return subprocess.run([str(CLI), 'service', 'install', *args], input=answers,
env=self.env, capture_output=True, text=True, timeout=20)
def test_declining_plan_changes_nothing(self):
self.ready_profile()
result = self.cli('n\n')
self.assertEqual(0, result.returncode, result.stderr)
self.assertIn('отменена', result.stdout)
self.assertFalse(self.log.exists())
self.assertFalse(self.stage.exists())
self.assertEqual(CONFIG, (self.config / 'config').read_text())
def test_fresh_setup_collects_settings_without_writing_before_confirmation(self):
result = self.cli(URL + '\n\nn\n')
self.assertEqual(0, result.returncode, result.stderr)
self.assertIn('12334', result.stdout)
self.assertIn('отменена', result.stdout)
self.assertNotIn(URL, result.stdout + result.stderr)
self.assertFalse(self.log.exists())
self.assertEqual([], list(self.config.iterdir()))
def test_dangling_profile_symlink_is_reported_before_secret_input(self):
(self.config / 'config').write_text(CONFIG)
(self.config / 'default.url').symlink_to(self.root / 'missing.url')
result = self.cli(URL + '\ny\n')
self.assertEqual(1, result.returncode)
self.assertIn('битый симлинк', result.stderr)
self.assertNotIn('ввод скрыт', result.stdout)
self.assertNotIn('rm -- ', result.stderr)
self.assertFalse(self.log.exists())
self.assertFalse((self.root / 'state/proxy-client/service-setup.json').exists())
def test_fresh_setup_installs_starts_and_configures_shell_profile(self):
result = self.cli(URL + '\n\ny\n')
self.assertEqual(0, result.returncode, result.stderr)
settings = self.stage / 'etc/proxy-client'
self.assertIn('type = xray', (settings / 'config').read_text())
self.assertEqual(URL + '\n', (settings / 'default.url').read_text())
self.assertEqual(0o640, (settings / 'default.url').stat().st_mode & 0o777)
home_config = (self.config / 'config').read_text()
self.assertIn('type = external', home_config)
self.assertIn('address = 127.0.0.1', home_config)
self.assertIn('port = 12334', home_config)
self.assertTrue((self.stage / 'active').exists())
self.assertNotIn(URL, result.stdout + result.stderr + self.log.read_text())
def test_readiness_check_does_not_request_sudo(self):
self.ready_profile()
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
actions = [json.loads(line) for line in self.log.read_text().splitlines()]
self.assertIn(['systemctl', 'is-active', '--quiet', 'proxy-client.service'], actions)
self.assertFalse(any(action[0] == 'sudo' and 'is-active' in action for action in actions))
def test_yes_accepts_file_without_a_terminal(self):
self.env['TEST_NO_TTY'] = '1'
profile = self.root / 'connection.url'
profile.write_text(URL + '\n')
profile.chmod(0o600)
result = self.cli('', '--auto-yes', '--file', str(profile), '--port', '12335')
self.assertEqual(0, result.returncode, result.stderr)
self.assertNotIn('Продолжить?', result.stdout)
self.assertIn('port = 12335', (self.config / 'config').read_text())
self.assertNotIn(URL, result.stdout + result.stderr + self.log.read_text())
def test_no_terminal_requires_an_explicit_installation_mode(self):
self.running_profile()
self.env['TEST_NO_TTY'] = '1'
result = self.cli('')
self.assertEqual(1, result.returncode)
self.assertIn('--yes', result.stderr)
self.assertIn('--install-only', result.stderr)
self.assertFalse(self.log.exists())
self.assertFalse(self.stage.exists())
self.assertTrue((self.root / 'manual-active').exists())
def test_update_keeps_system_settings_without_home_profile(self):
self.ready_profile()
first = self.cli('y\n')
self.assertEqual(0, first.returncode, first.stderr)
settings = self.stage / 'etc/proxy-client'
before = {name: (settings / name).read_bytes() for name in ('config', 'default.url')}
for path in self.config.iterdir():
path.unlink()
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertIn('обнов', result.stdout.lower())
for name, content in before.items():
self.assertEqual(content, (settings / name).read_bytes())
self.assertFalse((self.config / 'config').exists())
def test_migration_stops_only_own_process_after_files_are_installed(self):
self.running_profile()
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertFalse((self.root / 'manual-active').exists())
actions = [json.loads(line) for line in self.log.read_text().splitlines()]
self.assertLess(actions.index(['systemctl', 'daemon-reload']), actions.index(['manual-stop']))
self.assertLess(actions.index(['manual-stop']),
actions.index(['systemctl', 'enable', '--now', 'proxy-client.service']))
backups = list(self.config.glob('config.before-service.*'))
self.assertEqual(1, len(backups))
self.assertEqual(CONFIG, backups[0].read_text())
self.assertIn('type = external', (self.config / 'config').read_text())
def test_install_only_can_be_completed_by_the_wizard(self):
self.running_profile()
first = self.cli('', '--install-only')
self.assertEqual(0, first.returncode, first.stderr)
self.env['TEST_PORT_BUSY'] = 'manual'
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertFalse((self.root / 'manual-active').exists())
self.assertTrue((self.stage / 'active').exists())
self.assertIn('type = external', (self.config / 'config').read_text())
def test_installed_different_profile_is_not_replaced_or_stopped(self):
self.running_profile()
first = self.cli('', '--install-only')
self.assertEqual(0, first.returncode, first.stderr)
system_config = self.stage / 'etc/proxy-client/config'
changed = system_config.read_text().replace('12334', '12335')
system_config.write_text(changed)
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode, result.stderr)
self.assertTrue((self.root / 'manual-active').exists())
self.assertEqual(CONFIG, (self.config / 'config').read_text())
self.assertEqual(changed, system_config.read_text())
self.assertNotIn('["systemctl", "stop"', self.log.read_text())
snapshot = self.root / 'state/proxy-client/service-setup.json'
self.assertTrue(snapshot.exists())
self.assertIn('rm -- ' + str(snapshot), result.stderr)
self.assertIn('/etc/proxy-client', result.stderr)
def test_start_failure_preserves_home_and_explains_recovery(self):
self.running_profile()
self.env['TEST_FAIL_START'] = '1'
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertEqual(CONFIG, (self.config / 'config').read_text())
self.assertIn('proxy-client start', result.stderr)
self.assertIn('disable', self.log.read_text())
self.assertEqual([], list(self.config.glob('config.before-service.*')))
def test_missing_xray_is_downloaded_and_verified_before_installation(self):
binary = (self.fake / 'xray').read_bytes()
(self.fake / 'xray').unlink()
with zipfile.ZipFile(str(self.root / 'archive'), 'w') as archive:
archive.writestr('xray', binary)
digest = hashlib.sha256((self.root / 'archive').read_bytes()).hexdigest()
(self.root / 'digest').write_text('SHA2-256= ' + digest + '\n')
self.ready_profile()
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertEqual(binary, (self.stage / 'usr/local/lib/proxy-client/xray').read_bytes())
actions = [json.loads(line) for line in self.log.read_text().splitlines()]
self.assertEqual(['download'], actions[0])
self.assertFalse((self.root / 'home/.local/bin/xray').exists())
def test_retry_after_failed_start_completes_the_transition(self):
self.running_profile()
self.env['TEST_FAIL_START'] = '1'
self.assertEqual(1, self.cli('', '--yes').returncode)
self.env.pop('TEST_FAIL_START')
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertIn('type = external', (self.config / 'config').read_text())
def test_file_option_cannot_be_silently_ignored_in_install_only_mode(self):
self.ready_profile()
result = self.cli('', '--install-only', '--file', str(self.config / 'default.url'))
self.assertEqual(1, result.returncode)
self.assertIn('--file', result.stderr)
self.assertFalse(self.log.exists())
def test_update_downloads_missing_binary_without_asking_for_profile(self):
self.ready_profile()
self.assertEqual(0, self.cli('', '--yes').returncode)
binary = (self.fake / 'xray').read_bytes()
(self.fake / 'xray').unlink()
(self.stage / 'usr/local/lib/proxy-client/xray').unlink()
with zipfile.ZipFile(str(self.root / 'archive'), 'w') as archive:
archive.writestr('xray', binary)
digest = hashlib.sha256((self.root / 'archive').read_bytes()).hexdigest()
(self.root / 'digest').write_text('SHA2-256= ' + digest + '\n')
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertEqual(binary, (self.stage / 'usr/local/lib/proxy-client/xray').read_bytes())
def test_preparation_failures_do_not_stop_manual_process(self):
self.running_profile()
self.env['TEST_FAIL_SUDO'] = '1'
failed = self.cli('', '--yes')
self.assertEqual(23, failed.returncode, failed.stderr)
self.assertTrue((self.root / 'manual-active').exists())
self.assertEqual(CONFIG, (self.config / 'config').read_text())
pending = self.root / 'state/proxy-client/service-setup.json'
self.assertEqual(0o600, pending.stat().st_mode & 0o777)
self.env.pop('TEST_FAIL_SUDO')
(self.fake / 'xray').unlink()
self.env['TEST_DOWNLOAD_FAIL'] = '1'
failed = self.cli('', '--yes')
self.assertEqual(1, failed.returncode)
self.assertTrue((self.root / 'manual-active').exists())
self.assertFalse(self.stage.exists())
def test_retry_from_scratch_uses_private_snapshot_without_new_secret_input(self):
self.env['TEST_FAIL_START'] = '1'
failed = self.cli(URL + '\n\ny\n')
self.assertEqual(1, failed.returncode, failed.stderr)
self.assertFalse((self.config / 'config').exists())
self.env.pop('TEST_FAIL_START')
self.env['TEST_NO_TTY'] = '1'
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertIn('type = external', (self.config / 'config').read_text())
self.assertFalse((self.root / 'state/proxy-client/service-setup.json').exists())
def test_changed_link_blocks_stale_snapshot_and_reset_uses_new_settings(self):
self.ready_profile()
self.env['TEST_FAIL_SUDO'] = '1'
self.assertEqual(23, self.cli('', '--yes').returncode)
self.env.pop('TEST_FAIL_SUDO')
changed = URL.replace('cdn.example:443', 'new.example:443')
(self.config / 'default.url').write_text(changed + '\n')
before = self.log.read_bytes()
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode, result.stderr)
self.assertIn('ссылки изменился', result.stderr)
snapshot = self.root / 'state/proxy-client/service-setup.json'
self.assertIn('rm -- ' + str(snapshot), result.stderr)
self.assertFalse(self.stage.exists())
self.assertEqual(before, self.log.read_bytes())
snapshot.unlink() # Пользователь явно сбросил снимок по подсказке CLI.
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertEqual(changed + '\n', (self.stage / 'etc/proxy-client/default.url').read_text())
def test_link_edit_after_service_start_does_not_abort_the_confirmed_transition(self):
self.running_profile()
self.env['TEST_CHANGE_LINK_AT_START'] = '1'
result = self.cli('', '--yes')
self.assertEqual(0, result.returncode, result.stderr)
self.assertIn('type = external', (self.config / 'config').read_text())
self.assertIn('after-start.example', (self.config / 'default.url').read_text())
self.assertEqual(URL + '\n', (self.stage / 'etc/proxy-client/default.url').read_text())
self.assertFalse((self.root / 'state/proxy-client/service-setup.json').exists())
def test_pending_override_explains_how_to_reset_the_snapshot(self):
self.ready_profile()
self.env['TEST_FAIL_SUDO'] = '1'
self.assertEqual(23, self.cli('', '--yes').returncode)
result = self.cli('', '--yes', '--port', '12335')
self.assertEqual(1, result.returncode)
self.assertIn('rm -- ', result.stderr)
def test_retry_refuses_changed_system_settings_before_stopping_manual_process(self):
self.running_profile()
self.env['TEST_FAIL_START'] = '1'
self.assertEqual(1, self.cli('', '--yes').returncode)
self.env.pop('TEST_FAIL_START')
self.running_profile()
config = self.stage / 'etc/proxy-client/config'
changed = config.read_text().replace('12334', '12335')
config.write_text(changed)
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertIn('отличаются от снимка', result.stderr)
self.assertTrue((self.root / 'manual-active').exists())
self.assertEqual(changed, config.read_text())
self.assertEqual(CONFIG, (self.config / 'config').read_text())
def test_bad_url_and_invalid_port_do_not_install(self):
result = self.cli('not-a-vless-link\n')
self.assertEqual(1, result.returncode)
self.assertNotIn('not-a-vless-link', result.stdout + result.stderr)
result = self.cli('', '--yes', '--port', '0')
self.assertEqual(1, result.returncode)
self.assertFalse(self.log.exists())
self.assertFalse(self.stage.exists())
def test_foreign_port_is_never_stopped(self):
self.ready_profile()
self.env['TEST_PORT_BUSY'] = '1'
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertIn('занят', result.stderr)
self.assertFalse(self.log.exists())
self.assertEqual(CONFIG, (self.config / 'config').read_text())
def test_corrupt_transition_snapshot_gets_clear_error(self):
self.ready_profile()
pending = self.root / 'state/proxy-client/service-setup.json'
pending.parent.mkdir(parents=True)
pending.write_text('{}')
pending.chmod(0o600)
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertIn('снимок', result.stderr)
self.assertNotIn('Traceback', result.stderr)
self.assertFalse(self.log.exists())
def test_retry_does_not_accept_a_foreign_listener_as_the_service(self):
self.ready_profile()
self.env['TEST_FAIL_START'] = '1'
self.assertEqual(1, self.cli('', '--yes').returncode)
self.env.pop('TEST_FAIL_START')
self.env['TEST_PORT_BUSY'] = '1'
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertEqual(CONFIG, (self.config / 'config').read_text())
def test_malformed_config_does_not_expose_its_contents(self):
(self.config / 'config').write_text('PRIVATE_SENTINEL_not_ini\n')
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertNotIn('PRIVATE_SENTINEL', result.stdout + result.stderr)
self.assertNotIn('Traceback', result.stderr)
self.assertFalse(self.log.exists())
def test_retry_keeps_custom_file_in_manual_recovery_command(self):
self.running_profile()
custom = self.root / 'custom.url'
(self.config / 'default.url').rename(custom)
self.env['TEST_FAIL_START'] = '1'
self.assertEqual(1, self.cli('', '--yes', '--file', str(custom)).returncode)
self.running_profile()
(self.config / 'default.url').unlink()
result = self.cli('', '--yes')
self.assertEqual(1, result.returncode)
self.assertIn('proxy-client start -f ' + str(custom), result.stderr)
def test_secret_input_is_not_echoed_in_a_real_terminal(self):
master, slave = pty.openpty()
self.addCleanup(os.close, master)
process = subprocess.Popen([str(CLI), 'service', 'install'], stdin=slave,
stdout=slave, stderr=slave, start_new_session=True,
env=dict(self.env, TEST_REAL_GETPASS='1'))
os.close(slave)
output = bytearray()
def until(prompt):
deadline = time.monotonic() + 10
while prompt.encode() not in output:
if time.monotonic() > deadline:
self.fail('не появился запрос ввода: ' + prompt)
if select.select([master], [], [], 0.1)[0]:
output.extend(os.read(master, 4096))
try:
until('ввод скрыт')
os.write(master, (URL + '\n').encode())
until('Локальный порт')
os.write(master, b'\n')
until('Продолжить?')
os.write(master, b'n\n')
self.assertEqual(0, process.wait(timeout=10))
self.assertNotIn(URL.encode(), output)
self.assertFalse(self.log.exists())
finally:
if process.poll() is None:
process.kill()
process.wait()
if __name__ == '__main__':
unittest.main()