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'''
Module with dummy classes for unit testing of XMPP and related code.
'''
import threading, time
from unittest.mock import Mock
from nbxmpp import idlequeue
IDLEQUEUE_INTERVAL = 0.2 # polling interval. 200ms is used in Gajim as default
IDLEMOCK_TIMEOUT = 30 # how long we wait for an event
class IdleQueueThread(threading.Thread):
'''
Thread for regular processing of idlequeue.
'''
def __init__(self):
self.iq = idlequeue.SelectIdleQueue()
self.stop = threading.Event() # Event to stop the thread main loop.
self.stop.clear()
threading.Thread.__init__(self)
def run(self):
while not self.stop.isSet():
self.iq.process()
time.sleep(IDLEQUEUE_INTERVAL)
def stop_thread(self):
self.stop.set()
class IdleMock:
'''
Serves as template for testing objects that are normally controlled by GUI.
Allows to wait for asynchronous callbacks with wait() method.
'''
def __init__(self):
self._event = threading.Event()
self._event.clear()
def wait(self):
'''
Block until some callback sets the event and clearing the event
subsequently.
Returns True if event was set, False on timeout
'''
self._event.wait(IDLEMOCK_TIMEOUT)
if self._event.isSet():
self._event.clear()
return True
else:
return False
def set_event(self):
self._event.set()
class MockConnection(IdleMock, Mock):
'''
Class simulating Connection class from src/common/connection.py
It is derived from Mock in order to avoid defining all methods
from real Connection that are called from NBClient or Dispatcher
( _event_dispatcher for example)
'''
def __init__(self, *args):
self.connect_succeeded = True
IdleMock.__init__(self)
Mock.__init__(self, *args)
def on_connect(self, success, *args):
'''
Method called after connecting - after receiving <stream:features>
from server (NOT after TLS stream restart) or connect failure
'''
self.connect_succeeded = success
self.set_event()
def on_auth(self, con, auth):
'''
Method called after authentication, regardless of the result.
:Parameters:
con : NonBlockingClient
reference to authenticated object
auth : string
type of authetication in case of success ('old_auth', 'sasl') or
None in case of auth failure
'''
self.auth_connection = con
self.auth = auth
self.set_event()
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