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import argparse
import atexit
import os
import platform
import pytest
import re
import shutil
import signal
import stat
import subprocess
import sys
import tempfile
import time
from conftest import option, public_dir, waitforfiles, _check_alerts, _print_log
from multiprocessing import Process
class TestUnit():
pardir = os.path.abspath(
os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)
)
@classmethod
def setup_class(cls, complete_check=True):
cls.available = option.available
unit = TestUnit()
unit._run()
# read unit.log
for i in range(50):
with open(unit.temp_dir + '/unit.log', 'r') as f:
log = f.read()
m = re.search('controller started', log)
if m is None:
time.sleep(0.1)
else:
break
if m is None:
_print_log()
exit("Unit is writing log too long")
# discover available modules from unit.log
for module in re.findall(r'module: ([a-zA-Z]+) (.*) ".*"$', log, re.M):
if module[0] not in cls.available['modules']:
cls.available['modules'][module[0]] = [module[1]]
else:
cls.available['modules'][module[0]].append(module[1])
def check(available, prerequisites):
missed = []
# check modules
if 'modules' in prerequisites:
available_modules = list(available['modules'].keys())
for module in prerequisites['modules']:
if module in available_modules:
continue
missed.append(module)
if missed:
pytest.skip('Unit has no ' + ', '.join(missed) + ' module(s)')
# check features
if 'features' in prerequisites:
available_features = list(available['features'].keys())
for feature in prerequisites['features']:
if feature in available_features:
continue
missed.append(feature)
if missed:
pytest.skip(', '.join(missed) + ' feature(s) not supported')
def destroy():
unit.stop()
_check_alerts(log)
shutil.rmtree(unit.temp_dir)
def complete():
destroy()
check(cls.available, cls.prerequisites)
if complete_check:
complete()
else:
unit.complete = complete
return unit
def setup_method(self):
self._run()
def _run(self):
build_dir = self.pardir + '/build'
self.unitd = build_dir + '/unitd'
if not os.path.isfile(self.unitd):
exit("Could not find unit")
self.temp_dir = tempfile.mkdtemp(prefix='unit-test-')
public_dir(self.temp_dir)
if oct(stat.S_IMODE(os.stat(build_dir).st_mode)) != '0o777':
public_dir(build_dir)
os.mkdir(self.temp_dir + '/state')
with open(self.temp_dir + '/unit.log', 'w') as log:
self._p = subprocess.Popen(
[
self.unitd,
'--no-daemon',
'--modules', self.pardir + '/build',
'--state', self.temp_dir + '/state',
'--pid', self.temp_dir + '/unit.pid',
'--log', self.temp_dir + '/unit.log',
'--control', 'unix:' + self.temp_dir + '/control.unit.sock',
'--tmp', self.temp_dir,
],
stderr=log,
)
atexit.register(self.stop)
if not waitforfiles(self.temp_dir + '/control.unit.sock'):
_print_log()
exit("Could not start unit")
self._started = True
def teardown_method(self):
self.stop()
# check unit.log for alerts
unit_log = self.temp_dir + '/unit.log'
with open(unit_log, 'r', encoding='utf-8', errors='ignore') as f:
_check_alerts(f.read())
# remove unit.log
if not option.save_log:
shutil.rmtree(self.temp_dir)
else:
_print_log()
assert self.stop_errors == [None, None], 'stop errors'
def stop(self):
if not self._started:
return
self.stop_errors = []
self.stop_errors.append(self._stop())
self.stop_errors.append(self.stop_processes())
atexit.unregister(self.stop)
self._started = False
def _stop(self):
if self._p.poll() is not None:
return
with self._p as p:
p.send_signal(signal.SIGQUIT)
try:
retcode = p.wait(15)
if retcode:
return 'Child process terminated with code ' + str(retcode)
except:
p.kill()
return 'Could not terminate unit'
def run_process(self, target, *args):
if not hasattr(self, '_processes'):
self._processes = []
process = Process(target=target, args=args)
process.start()
self._processes.append(process)
def stop_processes(self):
if not hasattr(self, '_processes'):
return
fail = False
for process in self._processes:
if process.is_alive():
process.terminate()
process.join(timeout=15)
if process.is_alive():
fail = True
if fail:
return 'Fail to stop process'
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