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import re
import subprocess
import time
import unittest
from unit.applications.lang.python import TestApplicationPython
class TestPythonProcman(TestApplicationPython):
prerequisites = {'modules': {'python': 'any'}}
def setUp(self):
super().setUp()
self.app_name = "app-" + self.testdir.split('/')[-1]
self.app_proc = 'applications/' + self.app_name + '/processes'
self.load('empty', self.app_name)
def pids_for_process(self):
time.sleep(0.2)
output = subprocess.check_output(['ps', 'ax'])
pids = set()
for m in re.findall('.*' + self.app_name, output.decode()):
pids.add(re.search('^\s*(\d+)', m).group(1))
return pids
def conf_proc(self, conf, path=None):
if path is None:
path = self.app_proc
self.assertIn('success', self.conf(conf, path), 'configure processes')
@unittest.skip('not yet')
def test_python_processes_idle_timeout_zero(self):
self.conf_proc({"spare": 0, "max": 2, "idle_timeout": 0})
self.get()
self.assertEqual(len(self.pids_for_process()), 0, 'idle timeout 0')
def test_python_prefork(self):
self.conf_proc('2')
pids = self.pids_for_process()
self.assertEqual(len(pids), 2, 'prefork 2')
self.get()
self.assertSetEqual(self.pids_for_process(), pids, 'prefork still 2')
self.conf_proc('4')
pids = self.pids_for_process()
self.assertEqual(len(pids), 4, 'prefork 4')
self.get()
self.assertSetEqual(self.pids_for_process(), pids, 'prefork still 4')
self.stop_all()
@unittest.skip('not yet')
def test_python_prefork_same_processes(self):
self.conf_proc('2')
pids = self.pids_for_process()
self.conf_proc('4')
pids_new = self.pids_for_process()
self.assertTrue(pids.issubset(pids_new), 'prefork same processes')
def test_python_ondemand(self):
self.conf_proc({"spare": 0, "max": 8, "idle_timeout": 1})
self.assertEqual(len(self.pids_for_process()), 0, 'on-demand 0')
self.get()
pids = self.pids_for_process()
self.assertEqual(len(pids), 1, 'on-demand 1')
self.get()
self.assertSetEqual(self.pids_for_process(), pids, 'on-demand still 1')
time.sleep(1)
self.assertEqual(
len(self.pids_for_process()), 0, 'on-demand stop idle'
)
self.stop_all()
def test_python_scale_updown(self):
self.conf_proc({"spare": 2, "max": 8, "idle_timeout": 1})
pids = self.pids_for_process()
self.assertEqual(len(pids), 2, 'updown 2')
self.get()
pids_new = self.pids_for_process()
self.assertEqual(len(pids_new), 3, 'updown 3')
self.assertTrue(pids.issubset(pids_new), 'updown 3 only 1 new')
self.get()
self.assertSetEqual(
self.pids_for_process(), pids_new, 'updown still 3'
)
time.sleep(1)
pids = self.pids_for_process()
self.assertEqual(len(pids), 2, 'updown stop idle')
self.get()
pids_new = self.pids_for_process()
self.assertEqual(len(pids_new), 3, 'updown again 3')
self.assertTrue(pids.issubset(pids_new), 'updown again 3 only 1 new')
self.stop_all()
def test_python_reconfigure(self):
self.conf_proc({"spare": 2, "max": 6, "idle_timeout": 1})
pids = self.pids_for_process()
self.assertEqual(len(pids), 2, 'reconf 2')
self.get()
pids_new = self.pids_for_process()
self.assertEqual(len(pids_new), 3, 'reconf 3')
self.assertTrue(pids.issubset(pids_new), 'reconf 3 only 1 new')
self.conf_proc('6', self.app_proc + '/spare')
pids = self.pids_for_process()
self.assertEqual(len(pids), 6, 'reconf 6')
self.get()
self.assertSetEqual(self.pids_for_process(), pids, 'reconf still 6')
self.stop_all()
def test_python_idle_timeout(self):
self.conf_proc({"spare": 0, "max": 6, "idle_timeout": 2})
self.get()
pids = self.pids_for_process()
self.assertEqual(len(pids), 1, 'idle timeout 1')
time.sleep(1)
self.get()
time.sleep(1)
pids_new = self.pids_for_process()
self.assertEqual(len(pids_new), 1, 'idle timeout still 1')
self.assertSetEqual(
self.pids_for_process(), pids, 'idle timeout still 1 same pid'
)
time.sleep(1)
self.assertEqual(len(self.pids_for_process()), 0, 'idle timed out')
def test_python_processes_connection_keepalive(self):
self.conf_proc({"spare": 0, "max": 6, "idle_timeout": 2})
(resp, sock) = self.get(
headers={'Host': 'localhost', 'Connection': 'keep-alive'},
start=True,
read_timeout=1,
)
self.assertEqual(
len(self.pids_for_process()), 1, 'keepalive connection 1'
)
time.sleep(2)
self.assertEqual(
len(self.pids_for_process()), 0, 'keepalive connection 0'
)
sock.close()
def test_python_processes_access(self):
self.conf_proc('1')
path = '/' + self.app_proc
self.assertIn('error', self.conf_get(path + '/max'))
self.assertIn('error', self.conf_get(path + '/spare'))
self.assertIn('error', self.conf_get(path + '/idle_timeout'))
def test_python_processes_invalid(self):
self.assertIn(
'error', self.conf({"spare": -1}, self.app_proc), 'negative spare',
)
self.assertIn(
'error', self.conf({"max": -1}, self.app_proc), 'negative max',
)
self.assertIn(
'error',
self.conf({"idle_timeout": -1}, self.app_proc),
'negative idle_timeout',
)
self.assertIn(
'error',
self.conf({"spare": 2}, self.app_proc),
'spare gt max default',
)
self.assertIn(
'error',
self.conf({"spare": 2, "max": 1}, self.app_proc),
'spare gt max',
)
self.assertIn(
'error',
self.conf({"spare": 0, "max": 0}, self.app_proc),
'max zero',
)
def stop_all(self):
self.conf({"listeners": {}, "applications": {}})
self.assertEqual(len(self.pids_for_process()), 0, 'stop all')
if __name__ == '__main__':
TestPythonProcman.main()
|
