core-admin/qubes/tests/devices.py

#!/usr/bin/python2 -O
# vim: fileencoding=utf-8
# pylint: disable=protected-access,pointless-statement

#
# The Qubes OS Project, https://www.qubes-os.org/
#
# Copyright (C) 2015-2016  Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2015-2016  Wojtek Porczyk <woju@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

import qubes.devices

import qubes.tests

class TC_00_DeviceCollection(qubes.tests.QubesTestCase):
    def setUp(self):
        self.emitter = qubes.tests.TestEmitter()
        self.collection = qubes.devices.DeviceCollection(self.emitter, 'testclass')

    def test_000_init(self):
        self.assertFalse(self.collection._set)

    def test_001_attach(self):
        self.collection.attach('testdev')
        self.assertEventFired(self.emitter, 'device-pre-attach:testclass')
        self.assertEventFired(self.emitter, 'device-attach:testclass')
        self.assertEventNotFired(self.emitter, 'device-pre-detach:testclass')
        self.assertEventNotFired(self.emitter, 'device-detach:testclass')

    def test_002_detach(self):
        self.collection.attach('testdev')
        self.collection.detach('testdev')
        self.assertEventFired(self.emitter, 'device-pre-attach:testclass')
        self.assertEventFired(self.emitter, 'device-attach:testclass')
        self.assertEventFired(self.emitter, 'device-pre-detach:testclass')
        self.assertEventFired(self.emitter, 'device-detach:testclass')

    def test_010_empty_detach(self):
        with self.assertRaises(LookupError):
            self.collection.detach('testdev')

    def test_011_double_attach(self):
        self.collection.attach('testdev')

        with self.assertRaises(LookupError):
            self.collection.attach('testdev')

    def test_012_double_detach(self):
        self.collection.attach('testdev')
        self.collection.detach('testdev')

        with self.assertRaises(LookupError):
            self.collection.detach('testdev')


class TC_01_DeviceManager(qubes.tests.QubesTestCase):
    def setUp(self):
        self.emitter = qubes.tests.TestEmitter()
        self.manager = qubes.devices.DeviceManager(self.emitter)

    def test_000_init(self):
        self.assertEqual(self.manager, {})

    def test_001_missing(self):
        self.manager['testclass'].attach('testdev')
        self.assertEventFired(self.emitter, 'device-attach:testclass')