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"""py.test config"""
import sys
import threading
from collections import deque
from collections.abc import Callable
from time import sleep
import pytest
from circuits import BaseComponent, Debugger, Manager, handler
from circuits.core.manager import TIMEOUT
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 clear(self):
self.events.clear()
def wait(self, name, channel=None, timeout=30.0):
for _i in range(int(timeout / TIMEOUT)):
with self._lock:
for event in self.events:
if (
event.name == name
and event.waitingHandlers == 0
and ((channel is None) or (channel in event.channels))
):
return True
sleep(TIMEOUT)
return False
def count(self, name, channel=None, n=1, timeout=30.0):
n = 0
with self._lock:
for event in self.events:
if event.name == name and event.waitingHandlers == 0 and ((channel is None) or (channel in event.channels)):
n += 1
return n
class Flag:
status = False
def call_event_from_name(manager, event, event_name, *channels):
fired = False
value = None
for _r in manager.waitEvent(event_name):
if not fired:
fired = True
value = manager.fire(event, *channels)
sleep(0.1)
return value
def call_event(manager, event, *channels):
return call_event_from_name(manager, event, event.name, *channels)
class WaitEvent:
def __init__(self, manager, name, channel=None, timeout=30.0):
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)
def wait_for(obj, attr, value=True, timeout=30.0):
from circuits.core.manager import TIMEOUT
for _i in range(int(timeout / TIMEOUT)):
if isinstance(value, Callable):
if value(obj, attr):
return True
elif getattr(obj, attr) == value:
return True
sleep(TIMEOUT)
return None
class SimpleManager(Manager):
def tick(self, timeout=-1):
self._running = False
return super().tick(timeout)
@pytest.fixture()
def simple_manager(request):
manager = SimpleManager()
Debugger(events=request.config.option.verbose).register(manager)
return manager
@pytest.fixture()
def manager(request):
manager = Manager()
def finalizer():
manager.stop()
request.addfinalizer(finalizer)
waiter = WaitEvent(manager, 'started')
manager.start()
assert waiter.wait()
Debugger(events=request.config.option.verbose).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
for key, value in {
'WaitEvent': WaitEvent,
'wait_for': wait_for,
'call_event': call_event,
'PLATFORM': sys.platform,
'PYVER': sys.version_info[:3],
'call_event_from_name': call_event_from_name,
}.items():
setattr(pytest, key, value)
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