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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.
#
###############################################################################
import unittest
from txaio.testutil import replace_loop
import asyncio
from unittest.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('ws://127.0.0.1:8080/ws', '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('ws://127.0.0.1:8080/ws', '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('wss://127.0.0.1:8080/wss', '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('ws://127.0.0.1:8080/wss', 'realm',
ssl=True)
error = (r'^ssl argument value passed to ApplicationRunner '
r'conflicts with the "ws:" prefix of the url '
r'argument\. Did you mean to use "wss:"\?$')
self._assertRaisesRegex(Exception, error, runner.run, '_unused_')
def test_conflict_SSLContext_with_ws_url(self):
"""
ApplicationRunner must raise an exception if given an ssl value that is
an instance of SSLContext, but only a "ws:" URL.
"""
import ssl
try:
# Try to create an SSLContext, to be as rigorous as we can be
# by avoiding making assumptions about the ApplicationRunner
# implementation. If we happen to be on a Python that has no
# SSLContext, we pass ssl=True, which will simply cause this
# test to degenerate to the behavior of
# test_conflict_SSL_True_with_ws_url (above). In fact, at the
# moment (2015-05-10), none of this matters because the
# ApplicationRunner implementation does not check to require
# that its ssl argument is either a bool or an SSLContext. But
# that may change, so we should be careful.
ssl.create_default_context
except AttributeError:
context = True
else:
context = ssl.create_default_context()
with replace_loop(Mock()) as loop:
loop.run_until_complete = Mock(return_value=(Mock(), Mock()))
runner = ApplicationRunner('ws://127.0.0.1:8080/wss', 'realm',
ssl=context)
error = (r'^ssl argument value passed to ApplicationRunner '
r'conflicts with the "ws:" prefix of the url '
r'argument\. Did you mean to use "wss:"\?$')
self._assertRaisesRegex(Exception, error, runner.run, '_unused_')
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