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## -*- coding: utf-8 -*-
# test_events.py
# Copyright (C) 2013 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
import sets
import time
from protobuf.socketrpc import RpcService
from leap.common import events
from leap.common.events import (
server,
component,
mac_auth,
)
from leap.common.events.events_pb2 import (
EventsServerService,
EventsServerService_Stub,
EventResponse,
SignalRequest,
RegisterRequest,
SOLEDAD_CREATING_KEYS,
CLIENT_UID,
)
port = 8090
received = False
local_callback_executed = False
def callback(request, reponse):
return True
class EventsTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
server.EventsServerDaemon.ensure(8090)
cls.callbacks = events.component.registered_callbacks
@classmethod
def tearDownClass(cls):
# give some time for requests to be processed.
time.sleep(1)
def setUp(self):
super(EventsTestCase, self).setUp()
def tearDown(self):
#events.component.registered_callbacks = {}
server.registered_components = {}
super(EventsTestCase, self).tearDown()
def test_service_singleton(self):
"""
Ensure that there's always just one instance of the server daemon
running.
"""
service1 = server.EventsServerDaemon.ensure(8090)
service2 = server.EventsServerDaemon.ensure(8090)
self.assertEqual(service1, service2,
"Can't get singleton class for service.")
def test_component_register(self):
"""
Ensure components can register callbacks.
"""
self.assertTrue(1 not in self.callbacks,
'There should should be no callback for this signal.')
events.register(1, lambda x: True)
self.assertTrue(1 in self.callbacks,
'Could not register signal in local component.')
events.register(2, lambda x: True)
self.assertTrue(1 in self.callbacks,
'Could not register signal in local component.')
self.assertTrue(2 in self.callbacks,
'Could not register signal in local component.')
def test_register_signal_replace(self):
"""
Make sure components can replace already registered callbacks.
"""
sig = 3
cbk = lambda x: True
events.register(sig, cbk, uid=1)
self.assertRaises(Exception, events.register, sig, lambda x: True,
uid=1)
events.register(sig, lambda x: True, uid=1, replace=True)
self.assertTrue(sig in self.callbacks, 'Could not register signal.')
self.assertEqual(1, len(self.callbacks[sig]),
'Wrong number of registered callbacks.')
def test_signal_response_status(self):
"""
Ensure there's an appropriate response from server when signaling.
"""
sig = 4
request = SignalRequest()
request.event = sig
request.content = 'my signal contents'
request.mac_method = mac_auth.MacMethod.MAC_NONE
request.mac = ""
service = RpcService(EventsServerService_Stub, port, 'localhost')
# test synch
response = service.signal(request, timeout=1000)
self.assertEqual(EventResponse.OK, response.status,
'Wrong response status.')
# test asynch
def local_callback(request, response):
global local_callback_executed
local_callback_executed = True
events.register(sig, local_callback)
service.signal(request, callback=local_callback)
time.sleep(0.1)
self.assertTrue(local_callback_executed,
'Local callback did not execute.')
def test_events_server_service_register(self):
"""
Ensure the server can register components to be signaled.
"""
sig = 5
request = RegisterRequest()
request.event = sig
request.port = 8091
request.mac_method = mac_auth.MacMethod.MAC_NONE
request.mac = ""
service = RpcService(EventsServerService_Stub, port, 'localhost')
complist = server.registered_components
self.assertEqual({}, complist,
'There should be no registered_ports when '
'server has just been created.')
response = service.register(request, timeout=1000)
self.assertTrue(sig in complist, "Signal not registered succesfully.")
self.assertTrue(8091 in complist[sig],
'Failed registering component port.')
def test_component_request_register(self):
"""
Ensure components can register themselves with server.
"""
sig = 6
complist = server.registered_components
self.assertTrue(sig not in complist,
'There should be no registered components for this '
'signal.')
events.register(sig, lambda x: True)
time.sleep(0.1)
port = component.EventsComponentDaemon.get_instance().get_port()
self.assertTrue(sig in complist, 'Failed registering component.')
self.assertTrue(port in complist[sig],
'Failed registering component port.')
def test_component_receives_signal(self):
"""
Ensure components can receive signals.
"""
sig = 7
def getsig(param=None):
global received
received = True
events.register(sig, getsig)
request = SignalRequest()
request.event = sig
request.content = ""
request.mac_method = mac_auth.MacMethod.MAC_NONE
request.mac = ""
service = RpcService(EventsServerService_Stub, port, 'localhost')
response = service.signal(request, timeout=1000)
self.assertTrue(response is not None, 'Did not receive response.')
time.sleep(0.5)
self.assertTrue(received, 'Did not receive signal back.')
def test_component_send_signal(self):
"""
Ensure components can send signals.
"""
sig = 8
response = events.signal(sig)
self.assertTrue(response.status == response.OK,
'Received wrong response status when signaling.')
def test_component_unregister_all(self):
"""
Test that the component can unregister all events for one signal.
"""
sig = CLIENT_UID
complist = server.registered_components
events.register(sig, lambda x: True)
events.register(sig, lambda x: True)
time.sleep(0.1)
events.unregister(sig)
time.sleep(0.1)
port = component.EventsComponentDaemon.get_instance().get_port()
self.assertFalse(bool(complist[sig]))
self.assertTrue(port not in complist[sig])
def test_component_unregister_by_uid(self):
"""
Test that the component can unregister an event by uid.
"""
sig = CLIENT_UID
complist = server.registered_components
events.register(sig, lambda x: True, uid='cbkuid')
events.register(sig, lambda x: True, uid='cbkuid2')
time.sleep(0.1)
events.unregister(sig, uid='cbkuid')
time.sleep(0.1)
port = component.EventsComponentDaemon.get_instance().get_port()
self.assertTrue(sig in complist)
self.assertTrue(len(complist[sig]) == 1)
self.assertTrue(
component.registered_callbacks[sig].pop()[0] == 'cbkuid2')
self.assertTrue(port in complist[sig])
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