/usr/lib/python2.7/dist-packages/autobahn/wamp/test/test_runner.py is in python-autobahn 17.10.1+dfsg1-2.
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#
# The MIT License (MIT)
#
# Copyright (c) Crossbar.io Technologies GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
from __future__ import absolute_import, print_function
import os
import unittest2 as unittest
from txaio.testutil import replace_loop
if os.environ.get('USE_TWISTED', False):
from mock import patch
from zope.interface import implementer
from twisted.internet.interfaces import IReactorTime
@implementer(IReactorTime)
class FakeReactor(object):
'''
This just fakes out enough reactor methods so .run() can work.
'''
stop_called = False
def __init__(self, to_raise):
self.stop_called = False
self.to_raise = to_raise
self.delayed = []
def run(self, *args, **kw):
raise self.to_raise
def stop(self):
self.stop_called = True
def callLater(self, delay, func, *args, **kwargs):
self.delayed.append((delay, func, args, kwargs))
def connectTCP(self, *args, **kw):
raise RuntimeError("ConnectTCP shouldn't get called")
class TestWampTwistedRunner(unittest.TestCase):
# XXX should figure out *why* but the test_protocol timeout
# tests fail if we *don't* patch out this txaio stuff. So,
# presumably it's messing up some global state that both tests
# implicitly depend on ...
@patch('txaio.use_twisted')
@patch('txaio.start_logging')
@patch('txaio.config')
def test_connect_error(self, *args):
'''
Ensure the runner doesn't swallow errors and that it exits the
reactor properly if there is one.
'''
try:
from autobahn.twisted.wamp import ApplicationRunner
from twisted.internet.error import ConnectionRefusedError
# the 'reactor' member doesn't exist until we import it
from twisted.internet import reactor # noqa: F401
except ImportError:
raise unittest.SkipTest('No twisted')
runner = ApplicationRunner(u'ws://localhost:1', u'realm')
exception = ConnectionRefusedError("It's a trap!")
with patch('twisted.internet.reactor', FakeReactor(exception)) as mockreactor:
self.assertRaises(
ConnectionRefusedError,
# pass a no-op session-creation method
runner.run, lambda _: None, start_reactor=True
)
self.assertTrue(mockreactor.stop_called)
else:
# Asyncio tests.
try:
import asyncio
from unittest.mock import patch, Mock
except ImportError:
# Trollius >= 0.3 was renamed to asyncio
# noinspection PyUnresolvedReferences
import trollius as asyncio
from mock import patch, Mock
from autobahn.asyncio.wamp import ApplicationRunner
class TestApplicationRunner(unittest.TestCase):
'''
Test the autobahn.asyncio.wamp.ApplicationRunner class.
'''
def _assertRaisesRegex(self, exception, error, *args, **kw):
try:
self.assertRaisesRegex
except AttributeError:
f = self.assertRaisesRegexp
else:
f = self.assertRaisesRegex
f(exception, error, *args, **kw)
def test_explicit_SSLContext(self):
'''
Ensure that loop.create_connection is called with the exact SSL
context object that is passed (as ssl) to the __init__ method of
ApplicationRunner.
'''
with replace_loop(Mock()) as loop:
with patch.object(asyncio, 'get_event_loop', return_value=loop):
loop.run_until_complete = Mock(return_value=(Mock(), Mock()))
ssl = {}
runner = ApplicationRunner(u'ws://127.0.0.1:8080/ws', u'realm',
ssl=ssl)
runner.run('_unused_')
self.assertIs(ssl, loop.create_connection.call_args[1]['ssl'])
def test_omitted_SSLContext_insecure(self):
'''
Ensure that loop.create_connection is called with ssl=False
if no ssl argument is passed to the __init__ method of
ApplicationRunner and the websocket URL starts with "ws:".
'''
with replace_loop(Mock()) as loop:
with patch.object(asyncio, 'get_event_loop', return_value=loop):
loop.run_until_complete = Mock(return_value=(Mock(), Mock()))
runner = ApplicationRunner(u'ws://127.0.0.1:8080/ws', u'realm')
runner.run('_unused_')
self.assertIs(False, loop.create_connection.call_args[1]['ssl'])
def test_omitted_SSLContext_secure(self):
'''
Ensure that loop.create_connection is called with ssl=True
if no ssl argument is passed to the __init__ method of
ApplicationRunner and the websocket URL starts with "wss:".
'''
with replace_loop(Mock()) as loop:
with patch.object(asyncio, 'get_event_loop', return_value=loop):
loop.run_until_complete = Mock(return_value=(Mock(), Mock()))
runner = ApplicationRunner(u'wss://127.0.0.1:8080/wss', u'realm')
runner.run(self.fail)
self.assertIs(True, loop.create_connection.call_args[1]['ssl'])
def test_conflict_SSL_True_with_ws_url(self):
'''
ApplicationRunner must raise an exception if given an ssl value of True
but only a "ws:" URL.
'''
with replace_loop(Mock()) as loop:
loop.run_until_complete = Mock(return_value=(Mock(), Mock()))
runner = ApplicationRunner(u'ws://127.0.0.1:8080/wss', u'realm',
ssl=True)
error = ('^ssl argument value passed to ApplicationRunner '
'conflicts with the "ws:" prefix of the url '
'argument\. Did you mean to use "wss:"\?$')
self._assertRaisesRegex(Exception, error, runner.run, '_unused_')
def test_conflict_SSLContext_with_ws_url(self):
'''
ApplicationRunner must raise an exception if given an ssl value that is
an instance of SSLContext, but only a "ws:" URL.
'''
import ssl
try:
# Try to create an SSLContext, to be as rigorous as we can be
# by avoiding making assumptions about the ApplicationRunner
# implementation. If we happen to be on a Python that has no
# SSLContext, we pass ssl=True, which will simply cause this
# test to degenerate to the behavior of
# test_conflict_SSL_True_with_ws_url (above). In fact, at the
# moment (2015-05-10), none of this matters because the
# ApplicationRunner implementation does not check to require
# that its ssl argument is either a bool or an SSLContext. But
# that may change, so we should be careful.
ssl.create_default_context
except AttributeError:
context = True
else:
context = ssl.create_default_context()
with replace_loop(Mock()) as loop:
loop.run_until_complete = Mock(return_value=(Mock(), Mock()))
runner = ApplicationRunner(u'ws://127.0.0.1:8080/wss', u'realm',
ssl=context)
error = ('^ssl argument value passed to ApplicationRunner '
'conflicts with the "ws:" prefix of the url '
'argument\. Did you mean to use "wss:"\?$')
self._assertRaisesRegex(Exception, error, runner.run, '_unused_')
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