from unittest import TestCase
from time import time
from gevent import spawn, sleep, event
from gevent.subprocess import Popen
from zerorpc import Server, Client


class Service(object):
    def get_nothing(self):
        pass


class BackgroundJobTestCase(TestCase):
    def setUp(self):
        self.stop_event = event.Event()
        self.background_job = spawn(self._start_job)

    def _start_job(self):
        while not self.stop_event.is_set():
            Popen("sleep 1", shell=True).wait()  # this does not work
            # sleep(1)  # this works

    def tearDown(self):
        self.stop_event.set()
        self.background_job = self.background_job.join()

    def test_rpc_with_background_job_for_longer_periods(self, duration_in_seconds=600):
        server = Server(Service())
        server.bind("tcp://0.0.0.0:7001")
        server._acceptor_task = spawn(server._acceptor)  # do not worry about teardown - the test fails in the middle
        client = Client()
        client.connect("tcp://0.0.0.0:7001")
        start_time = time()
        while abs(time() - start_time) <= duration_in_seconds:
            client.get_nothing()

bin/nosetests tests/long_tests/zerorpc_and_subprocess.py                   13-06-04 19:50
Traceback (most recent call last):
  File "/root/mainline/eggs/gevent-1.0rc2-py2.7-linux-x86_64.egg/gevent/greenlet.py", line 328, in run
    result = self._run(*self.args, **self.kwargs)
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/events.py", line 63, in _sender
    self._socket.send(parts[-1])
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/gevent_zmq.py", line 104, in send
    self._on_state_changed()
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/gevent_zmq.py", line 72, in _on_state_changed
    events = self.getsockopt(_zmq.EVENTS)
  File "socket.pyx", line 388, in zmq.core.socket.Socket.get (zmq/core/socket.c:3713)
  File "checkrc.pxd", line 21, in zmq.core.checkrc._check_rc (zmq/core/socket.c:5859)
ZMQError: Interrupted system call
<Greenlet at 0x284c5f0: <bound method Sender._sender of <zerorpc.events.Sender object at 0x2864a50>>> failed with ZMQError

E
======================================================================
ERROR: test_rpc_with_background_job_for_longer_periods (zerorpc_and_subprocess.BackgroundJobTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/root/mainline/tests/long_tests/zerorpc_and_subprocess.py", line 37, in test_rpc_with_background_job_for_longer_periods
    client.get_nothing()
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/core.py", line 256, in <lambda>
    return lambda *args, **kargs: self(method, *args, **kargs)
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/core.py", line 241, in __call__
    return self._process_response(request_event, bufchan, timeout)
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/core.py", line 213, in _process_response
    reply_event = bufchan.recv(timeout)
  File "/root/mainline/eggs/zerorpc-0.4.1.2-py2.7.egg/zerorpc/channel.py", line 262, in recv
    event = self._input_queue.get(timeout=timeout)
  File "/root/mainline/eggs/gevent-1.0rc2-py2.7-linux-x86_64.egg/gevent/queue.py", line 200, in get
    result = waiter.get()
  File "/root/mainline/eggs/gevent-1.0rc2-py2.7-linux-x86_64.egg/gevent/hub.py", line 568, in get
    return self.hub.switch()
  File "/root/mainline/eggs/gevent-1.0rc2-py2.7-linux-x86_64.egg/gevent/hub.py", line 331, in switch
    return greenlet.switch(self)
LostRemote: Lost remote after 10s heartbeat

----------------------------------------------------------------------
Ran 1 test in 102.469s

FAILED (errors=1)