/usr/lib/python2.7/dist-packages/ubuntu-sso-client/ubuntu_sso/utils/runner/tests/test_qt.py is in python-ubuntu-sso-client.tests 13.10-0ubuntu11.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | # -*- coding: utf-8 -*-
#
# 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
# files in the program, then also delete it here.
"""Tests for the qt runner helper module."""
import subprocess
from PyQt4 import QtCore
from twisted.internet import defer
from ubuntu_sso.utils import compat, runner
from ubuntu_sso.utils.runner import qt
from ubuntu_sso.utils.runner.tests.test_runner import SpawnProgramTestCase
class FakedSignal(object):
"""Fake a Qt signal."""
def __init__(self, name):
self.name = name
self._handlers = []
def connect(self, handler):
"""Connect 'handler' with this signal."""
self._handlers.append(handler)
def emit(self, *args, **kwargs):
"""Emit this signal."""
for handler in self._handlers:
handler(*args, **kwargs)
class FakedProcess(object):
"""Fake a Qt Process."""
_pid = 123456
_error = None
_status_code = 0
FailedToStart = 0
def __init__(self):
self.pid = lambda: self._pid
self.started = FakedSignal('started')
self.finished = FakedSignal('finished')
self.error = FakedSignal('error')
def start(self, program, arguments):
"""Start this process."""
if self._error is None:
self.started.emit()
args = (program,) + tuple(arguments)
# subprocess expects bytes
bytes_args = []
for arg in args:
if isinstance(arg, compat.text_type):
arg = arg.encode('utf-8')
bytes_args.append(arg)
try:
subprocess.call(bytes_args)
except OSError as e:
if e.errno == 2:
self.error.emit(self.FailedToStart)
else:
self.error.emit(e)
except Exception as e:
self.error.emit(e)
else:
self.finished.emit(self._status_code)
else:
self.error.emit(self._error)
class QtSpawnProgramTestCase(SpawnProgramTestCase):
"""The test suite for the spawn_program method (using Qt)."""
use_reactor = False
@defer.inlineCallbacks
def setUp(self):
yield super(QtSpawnProgramTestCase, self).setUp()
# Since we can't mix plan qt runner and the qt4reactor, we patch
# QProcess and fake the conditions so the qt runner is chosen
self.process = FakedProcess()
self.patch(QtCore, 'QProcess', lambda: self.process)
self.patch(runner, 'is_qt4_main_loop_installed', lambda: True)
@defer.inlineCallbacks
def test_dont_let_it_go_success(self):
"""The QProcess instance is stored (and removed) to avoid GC."""
# pylint: disable=W0212
d = defer.Deferred()
def check(status):
"""Do the check."""
self.assertIn(self.process, qt._processes)
d.callback(status)
runner.qt.spawn_program(self.args,
reply_handler=check, error_handler=lambda **kw: d.errback(kw))
yield d
self.assertNotIn(self.process, qt._processes)
@defer.inlineCallbacks
def test_dont_let_it_go_error(self):
"""The QProcess instance is stored (and removed) to avoid GC."""
# pylint: disable=W0212
d = defer.Deferred()
def check(msg, failed_to_start):
"""Do the check."""
self.assertIn(self.process, qt._processes)
d.callback(msg)
self.process._error = 42 # this will make the process emit 'error'
runner.qt.spawn_program(self.args,
reply_handler=lambda _: d.errback(AssertionError(_)),
error_handler=check)
yield d
self.assertNotIn(self.process, qt._processes)
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