/usr/lib/python2.7/dist-packages/ubuntu-sso-client/ubuntu_sso/utils/tests/test_qtwisted.py is in python-ubuntu-sso-client.tests 13.10-0ubuntu6.
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The actual contents of the file can be viewed below.
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#
# Copyright 2012 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the
# OpenSSL library under certain conditions as described in each
# individual source file, and distribute linked combinations
# including the two.
# You must obey the GNU General Public License in all respects
# for all of the code used other than OpenSSL. If you modify
# file(s) with this exception, you may extend this exception to your
# version of the file(s), but you are not obligated to do so. If you
# do not wish to do so, delete this exception statement from your
# version. If you delete this exception statement from all source
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"""Tests for the platform specific functions (for Windows)."""
import thread
from twisted.internet import defer
from twisted.trial.unittest import TestCase
from ubuntu_sso.utils.qtwisted import qtDeferToThread
class FakeException(Exception):
"""A Fake exception."""
class QtDeferToThreadTestCase(TestCase):
"""A Qt-based implementation of deferToThread."""
@defer.inlineCallbacks
def test_executes_function_returns_result(self):
"""The passed function is executed and returns the result."""
def fake_operation(first, second="world!"):
"""Testing positional and keyword arguments."""
return first + " " + second
result = yield qtDeferToThread(fake_operation, "hola", second="mundo!")
self.assertEqual(result, "hola mundo!")
@defer.inlineCallbacks
def test_exceptions_become_failures(self):
"""Any exception while running the function becomes a failure."""
def fake_raise():
"""Throw the fake exception."""
raise FakeException
yield self.assertFailure(qtDeferToThread(fake_raise), FakeException)
@defer.inlineCallbacks
def test_function_runs_in_new_thread(self):
"""The concerned function is run in a different thread."""
def inner_function():
"""This should be run in a different thread."""
return thread.get_ident()
other_thread_id = yield qtDeferToThread(inner_function)
this_thread_id = thread.get_ident()
self.assertNotEqual(this_thread_id, other_thread_id)
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