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# -*- coding: utf-8 -*-
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# Copyright 2012 Canonical Ltd.
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 3, as published
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# by the Free Software Foundation.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranties of
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# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
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# PURPOSE. See the GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Tests for the platform specific functions (for Windows)."""
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from twisted.internet import defer
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from twisted.trial.unittest import TestCase
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from ubuntu_sso.utils.windows import qtDeferToThread
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class FakeException(Exception):
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"""A Fake exception."""
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class QtDeferToThreadTestCase(TestCase):
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"""A Qt-based implementation of deferToThread."""
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@defer.inlineCallbacks
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def test_executes_function_returns_result(self):
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"""The passed function is executed and returns the result."""
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f = lambda x, y="world!": x + y
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result = yield qtDeferToThread(f, "hola ", y="mundo!")
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self.assertEqual(result, "hola mundo!")
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@defer.inlineCallbacks
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def test_exceptions_become_failures(self):
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"""Any exception while running the function becomes a failure."""
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"""Throw the fake exception."""
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yield self.assertFailure(qtDeferToThread(fake_raise), FakeException)
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@defer.inlineCallbacks
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def test_function_runs_in_new_thread(self):
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"""The concerned function is run in a different thread."""
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"""This should be run in a different thread."""
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return thread.get_ident()
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other_thread_id = yield qtDeferToThread(inner_function)
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this_thread_id = thread.get_ident()
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self.assertNotEqual(this_thread_id, other_thread_id)
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ubuntu_sso/utils/tests/test_windows.py
