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# Module: conftest
# Date: 6th December 2010
# Author: James Mills, prologic at shortcircuit dot net dot au
"""py.test config"""
import pytest
import sys
import threading
from time import sleep
from collections import deque
from circuits.core.manager import TIMEOUT
from circuits import handler, BaseComponent, Debugger, Manager
class Watcher(BaseComponent):
def init(self):
self._lock = threading.Lock()
self.events = deque()
@handler(channel="*", priority=999.9)
def _on_event(self, event, *args, **kwargs):
with self._lock:
self.events.append(event)
def wait(self, name, channel=None, timeout=6.0):
for i in range(int(timeout / TIMEOUT)):
if channel is None:
with self._lock:
for event in self.events:
if event.name == name:
return True
else:
with self._lock:
for event in self.events:
if event.name == name and \
channel in event.channels:
return True
sleep(TIMEOUT)
class Flag(object):
status = False
class WaitEvent(object):
def __init__(self, manager, name, channel=None, timeout=6.0):
if channel is None:
channel = getattr(manager, "channel", None)
self.timeout = timeout
self.manager = manager
flag = Flag()
@handler(name, channel=channel)
def on_event(self, *args, **kwargs):
flag.status = True
self.handler = self.manager.addHandler(on_event)
self.flag = flag
def wait(self):
try:
for i in range(int(self.timeout / TIMEOUT)):
if self.flag.status:
return True
sleep(TIMEOUT)
finally:
self.manager.removeHandler(self.handler)
@pytest.fixture(scope="session")
def manager(request):
manager = Manager()
def finalizer():
manager.stop()
request.addfinalizer(finalizer)
waiter = WaitEvent(manager, "started")
manager.start()
assert waiter.wait()
if request.config.option.verbose:
Debugger().register(manager)
return manager
@pytest.fixture
def watcher(request, manager):
watcher = Watcher().register(manager)
def finalizer():
waiter = WaitEvent(manager, "unregistered")
watcher.unregister()
waiter.wait()
request.addfinalizer(finalizer)
return watcher
def pytest_namespace():
return dict((
("WaitEvent", WaitEvent),
("PLATFORM", sys.platform),
("PYVER", sys.version_info[:3]),
))
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