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import os
import re
import sys
import json
import time
import shutil
import socket
import tempfile
import unittest
from requests import Request, Session
from subprocess import call
from multiprocessing import Process
class TestUnit(unittest.TestCase):
pardir = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
def setUp(self):
self._run()
def tearDown(self):
self._stop()
if '--log' in sys.argv:
with open(self.testdir + '/unit.log', 'r') as f:
print(f.read())
if '--leave' not in sys.argv:
shutil.rmtree(self.testdir)
def assertTry(self, assert_method, description, *args):
try: getattr(self, assert_method)(*args, msg=description)
except AssertionError: print('not yet: ' + description)
def check_modules(self, *modules):
self._run()
for i in range(50):
with open(self.testdir + '/unit.log', 'r') as f:
log = f.read()
m = re.search('controller started', log, re.M | re.S)
if m is None:
time.sleep(0.1)
else:
break
if m is None:
exit("Unit is writing log too long")
missed_module = ''
for module in modules:
m = re.search('module: ' + module, log, re.M | re.S)
if m is None:
missed_module = module
break
self._stop()
shutil.rmtree(self.testdir)
if missed_module:
raise unittest.SkipTest('Unit has no ' + missed_module + ' module')
def check_version(self, version):
with open(self.pardir + '/src/nxt_main.h' , 'r') as f:
m = re.search('NXT_VERSION\s+"(\d+\.\d+)"', f.read(), re.M | re.S)
current = m.group(1).split('.')
need = version.split('.')
for i in range(len(need)):
if need[i] > current[i]:
raise unittest.SkipTest('Unit too old')
def _run(self):
self.testdir = tempfile.mkdtemp(prefix='unit-test-')
os.mkdir(self.testdir + '/state')
print()
def _run_unit():
call([self.pardir + '/build/unitd',
'--no-daemon',
'--modules', self.pardir + '/build',
'--state', self.testdir + '/state',
'--pid', self.testdir + '/unit.pid',
'--log', self.testdir + '/unit.log',
'--control', 'unix:' + self.testdir + '/control.unit.sock'])
self._p = Process(target=_run_unit)
self._p.start()
if not self._waitforfiles(self.testdir + '/unit.pid',
self.testdir + '/unit.log', self.testdir + '/control.unit.sock'):
exit("Could not start unit")
def python_application(self, name, code):
os.mkdir(self.testdir + '/' + name)
with open(self.testdir + '/' + name + '/wsgi.py', 'w') as f:
f.write(code)
def _stop(self):
with open(self.testdir + '/unit.pid', 'r') as f:
pid = f.read().rstrip()
call(['kill', pid])
for i in range(50):
if not os.path.exists(self.testdir + '/unit.pid'):
break
time.sleep(0.1)
if os.path.exists(self.testdir + '/unit.pid'):
exit("Could not terminate unit")
self._p.join(timeout=1)
self._terminate_process(self._p)
def _terminate_process(self, process):
if process.is_alive():
process.terminate()
process.join(timeout=5)
if process.is_alive():
exit("Could not terminate process " + process.pid)
if process.exitcode:
exit("Child process terminated with code " + str(process.exitcode))
def _waitforfiles(self, *files):
for i in range(50):
wait = False
ret = 0
for f in files:
if not os.path.exists(f):
wait = True
break
if wait:
time.sleep(0.1)
else:
ret = 1
break
return ret
class TestUnitControl(TestUnit):
# TODO socket reuse
# TODO http client
def http(self, req):
with self._control_sock() as sock:
sock.sendall(req)
if '--verbose' in sys.argv:
print('>>>', req, sep='\n')
resp = self._recvall(sock)
if '--verbose' in sys.argv:
print('<<<', resp, sep='\n')
return resp
def get(self, path='/'):
resp = self.http(('GET ' + path
+ ' HTTP/1.1\r\nHost: localhost\r\n\r\n').encode())
return self._body_json(resp)
def delete(self, path='/'):
resp = self.http(('DELETE ' + path
+ ' HTTP/1.1\r\nHost: localhost\r\n\r\n').encode())
return self._body_json(resp)
def put(self, path='/', data=''):
if isinstance(data, str):
data = data.encode()
resp = self.http(('PUT ' + path + ' HTTP/1.1\nHost: localhost\n'
+ 'Content-Length: ' + str(len(data))
+ '\r\n\r\n').encode() + data)
return self._body_json(resp)
def _control_sock(self):
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(self.testdir + '/control.unit.sock')
return sock
def _recvall(self, sock, buff_size=4096):
data = ''
while True:
part = sock.recv(buff_size).decode()
data += part
if len(part) < buff_size:
break
return data
def _body_json(self, resp):
m = re.search('.*?\x0d\x0a?\x0d\x0a?(.*)', resp, re.M | re.S)
return json.loads(m.group(1))
class TestUnitHTTP():
@classmethod
def http(self, method, host='127.0.0.1:7080', uri='/', **kwargs):
if 'sess' in kwargs:
sess = kwargs['sess']
else:
sess = Session()
body = None
if 'body' in kwargs:
body = kwargs['body']
headers = None
if 'headers' in kwargs:
headers = kwargs['headers']
req = Request('POST', 'http://' + host + uri, headers=headers)
prepped = req.prepare()
prepped.body = body
r = sess.send(prepped)
if 'keep' not in kwargs:
sess.close()
return r
return (r, sess)
def get(**kwargs):
return TestUnitHTTP.http('GET', **kwargs)
def post(**kwargs):
return TestUnitHTTP.http('POST', **kwargs)
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