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1.1.32
by Natalia Bidart (nessita)
Import upstream version 2.99.5 |
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# -*- coding: utf-8 -*-
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#
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# Copyright 2012 Canonical Ltd.
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#
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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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#
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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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#
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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 glib runner helper module."""
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import subprocess |
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# pylint: disable=E0611
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from gi.repository import GLib |
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# pylint: enable=E0611
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from twisted.internet import defer |
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from ubuntu_sso.utils import runner |
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from ubuntu_sso.utils.runner import glib |
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from ubuntu_sso.utils.runner.tests.test_runner import SpawnProgramTestCase |
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class FakedSignal(object): |
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"""Fake a glib signal."""
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def __init__(self, name): |
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self.name = name |
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self._handlers = [] |
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def connect(self, handler): |
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"""Connect 'handler' with this signal."""
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self._handlers.append(handler) |
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def emit(self, *args, **kwargs): |
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"""Emit this signal."""
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for handler in self._handlers: |
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handler(*args, **kwargs) |
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class FakedProcess(object): |
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"""Fake a glib Process."""
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_argv = _flags = None |
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_pid = 123456 |
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_pids = [] |
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_status_code = 0 |
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SpawnFlags = GLib.SpawnFlags |
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GError = GLib.GError |
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def __init__(self): |
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self.pid = lambda: self._pid |
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self.started = FakedSignal('started') |
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self.finished = FakedSignal('finished') |
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self.error = FakedSignal('error') |
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def spawn_async(self, argv, flags): |
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"""Spwan a process."""
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if 'None' in argv: |
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exc = GLib.GError() |
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exc.message = str('Can not handle None') |
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exc.code = 24 |
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raise exc |
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self._argv = argv |
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self._flags = flags |
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try: |
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subprocess.call(argv) |
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except Exception, e: |
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exc = GLib.GError() |
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exc.message = str(e) |
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exc.code = 42 |
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raise exc |
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self._pids.append(self._pid) |
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return (self._pid, None, None, None) |
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def child_watch_add(self, pid, child_watch): |
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"""Addd a child watch."""
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if pid in self._pids: |
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child_watch(pid, self._status_code) |
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def spawn_close_pid(self, pid): |
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"""Close the 'pid'."""
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self._pids.remove(pid) |
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class GLibSpawnProgramTestCase(SpawnProgramTestCase): |
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"""The test suite for the spawn_program method (using GLib)."""
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use_reactor = False |
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@defer.inlineCallbacks |
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def setUp(self): |
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yield super(GLibSpawnProgramTestCase, self).setUp() |
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# Since we can't mix plan glib runner and the gireactor, we patch
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# GLib.spawn_async and fake the conditions so the glib runner is chosen
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self.process = FakedProcess() |
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self.patch(glib, 'GLib', self.process) |
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self.patch(runner, 'is_twisted_reactor_installed', lambda: False) |
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self.patch(runner, 'is_qt4_main_loop_installed', lambda: False) |
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# Access to a protected member _flags, _argv of a client class
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# pylint: disable=W0212
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@defer.inlineCallbacks |
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def test_flags_are_correct(self): |
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"""The flags are the correct ones."""
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yield self.spawn_fn(self.args) |
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flags = GLib.SpawnFlags.DO_NOT_REAP_CHILD | \ |
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GLib.SpawnFlags.SEARCH_PATH | \ |
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GLib.SpawnFlags.STDOUT_TO_DEV_NULL | \ |
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GLib.SpawnFlags.STDERR_TO_DEV_NULL |
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self.assertEqual(self.process._flags, flags) |
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@defer.inlineCallbacks |
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def test_argv_is_bytes(self): |
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"""The argv parameter is converted to bytes."""
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yield self.spawn_fn(self.args) |
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bytes_args = [a.encode('utf-8') for a in self.args] |
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self.assertEqual(self.process._argv, bytes_args) |