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import os
import socket
import subprocess
import sys
import time
import mitogen
import mitogen.master
import mitogen.service
import mitogen.unix
import testlib
class MyService(mitogen.service.Service):
def __init__(self, latch, **kwargs):
super(MyService, self).__init__(**kwargs)
# used to wake up main thread once client has made its request
self.latch = latch
@classmethod
def name(cls):
# Because this is loaded from both __main__ and whatever unit2 does,
# specify a fixed name.
return 'unix_test.MyService'
@mitogen.service.expose(policy=mitogen.service.AllowParents())
def ping(self, msg):
self.latch.put(None)
return {
'src_id': msg.src_id,
'auth_id': msg.auth_id,
}
class IsPathDeadTest(testlib.TestCase):
func = staticmethod(mitogen.unix.is_path_dead)
path = '/tmp/stale-socket'
def test_does_not_exist(self):
self.assertTrue(self.func('/tmp/does-not-exist'))
def make_socket(self):
if os.path.exists(self.path):
os.unlink(self.path)
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
s.bind(self.path)
return s
def test_conn_refused(self):
s = self.make_socket()
s.close()
self.assertTrue(self.func(self.path))
def test_is_alive(self):
s = self.make_socket()
s.listen(5)
self.assertFalse(self.func(self.path))
s.close()
os.unlink(self.path)
class ListenerTest(testlib.RouterMixin, testlib.TestCase):
klass = mitogen.unix.Listener
def test_constructor_basic(self):
listener = self.klass.build_stream(router=self.router)
self.assertFalse(mitogen.unix.is_path_dead(listener.protocol.path))
os.unlink(listener.protocol.path)
# ensure we catch 0 byte read error log message
self.broker.shutdown()
self.broker.join()
self.broker_shutdown = True
class ClientTest(testlib.TestCase):
klass = mitogen.unix.Listener
def _try_connect(self, path):
# give server a chance to setup listener
timeout = mitogen.core.now() + 30.0
while True:
try:
return mitogen.unix.connect(path)
except mitogen.unix.ConnectError:
if mitogen.core.now() > timeout:
raise
time.sleep(0.1)
def _test_simple_client(self, path):
router, context = self._try_connect(path)
try:
self.assertEqual(0, context.context_id)
self.assertEqual(1, mitogen.context_id)
self.assertEqual(0, mitogen.parent_id)
resp = context.call_service(service_name=MyService, method_name='ping')
self.assertEqual(mitogen.context_id, resp['src_id'])
self.assertEqual(0, resp['auth_id'])
finally:
router.broker.shutdown()
router.broker.join()
os.unlink(path)
@classmethod
def _test_simple_server(cls, path):
router = mitogen.master.Router()
latch = mitogen.core.Latch()
try:
try:
listener = cls.klass.build_stream(path=path, router=router)
pool = mitogen.service.Pool(router=router, services=[
MyService(latch=latch, router=router),
])
latch.get()
# give broker a chance to deliver service resopnse
time.sleep(0.1)
finally:
pool.shutdown()
pool.join()
router.broker.shutdown()
router.broker.join()
finally:
os._exit(0)
def test_simple(self):
path = mitogen.unix.make_socket_path()
proc = subprocess.Popen(
[sys.executable, __file__, 'ClientTest_server', path],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
)
try:
self._test_simple_client(path)
finally:
# TODO :)
mitogen.context_id = 0
mitogen.parent_id = None
mitogen.parent_ids = []
b_stdout, _ = proc.communicate()
self.assertEqual(proc.returncode, 0)
self.assertEqual(b_stdout.decode(), '')
if __name__ == '__main__':
if len(sys.argv) == 3 and sys.argv[1] == 'ClientTest_server':
ClientTest._test_simple_server(path=sys.argv[2])
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