d7a3c0d319
Allow device plugin to list attached and available devices. Enforce at API level every device being exposed by some domain. This commit only changes devices API, but not update existing users (pci) yet. QubesOS/qubes-issues#2257
129 lines
4.3 KiB
Python
129 lines
4.3 KiB
Python
#!/usr/bin/python2 -O
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# vim: fileencoding=utf-8
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# pylint: disable=protected-access,pointless-statement
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#
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# The Qubes OS Project, https://www.qubes-os.org/
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#
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# Copyright (C) 2015-2016 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2015-2016 Wojtek Porczyk <woju@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# 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, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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import qubes.devices
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import qubes.tests
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class TestDevice(qubes.devices.DeviceInfo):
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pass
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class TestVMCollection(dict):
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def __iter__(self):
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return iter(set(self.values()))
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class TestApp(object):
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def __init__(self):
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self.domains = TestVMCollection()
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class TestVM(qubes.tests.TestEmitter):
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def __init__(self, app, name, *args, **kwargs):
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super(TestVM, self).__init__(*args, **kwargs)
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self.app = app
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self.name = name
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self.device = TestDevice(self, 'testdev', 'Description')
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self.events_enabled = True
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self.devices = {
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'testclass': qubes.devices.DeviceCollection(self, 'testclass')
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}
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self.app.domains[name] = self
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self.app.domains[self] = self
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def __str__(self):
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return self.name
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@qubes.events.handler('device-list-attached:testclass')
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def dev_testclass_list_attached(self, event, persistent):
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for vm in self.app.domains:
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if vm.device.frontend_domain == self:
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yield vm.device
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@qubes.events.handler('device-list:testclass')
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def dev_testclass_list(self, event):
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yield self.device
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class TC_00_DeviceCollection(qubes.tests.QubesTestCase):
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def setUp(self):
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self.app = TestApp()
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self.emitter = TestVM(self.app, 'vm')
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self.app.domains['vm'] = self.emitter
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self.device = self.emitter.device
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self.collection = self.emitter.devices['testclass']
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def test_000_init(self):
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self.assertFalse(self.collection._set)
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def test_001_attach(self):
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self.collection.attach(self.device)
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self.assertEventFired(self.emitter, 'device-pre-attach:testclass')
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self.assertEventFired(self.emitter, 'device-attach:testclass')
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self.assertEventNotFired(self.emitter, 'device-pre-detach:testclass')
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self.assertEventNotFired(self.emitter, 'device-detach:testclass')
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def test_002_detach(self):
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self.collection.attach(self.device)
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self.collection.detach(self.device)
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self.assertEventFired(self.emitter, 'device-pre-attach:testclass')
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self.assertEventFired(self.emitter, 'device-attach:testclass')
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self.assertEventFired(self.emitter, 'device-pre-detach:testclass')
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self.assertEventFired(self.emitter, 'device-detach:testclass')
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def test_010_empty_detach(self):
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with self.assertRaises(LookupError):
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self.collection.detach(self.device)
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def test_011_double_attach(self):
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self.collection.attach(self.device)
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with self.assertRaises(LookupError):
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self.collection.attach(self.device)
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def test_012_double_detach(self):
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self.collection.attach(self.device)
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self.collection.detach(self.device)
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with self.assertRaises(LookupError):
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self.collection.detach(self.device)
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class TC_01_DeviceManager(qubes.tests.QubesTestCase):
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def setUp(self):
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self.app = TestApp()
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self.emitter = TestVM(self.app, 'vm')
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self.manager = qubes.devices.DeviceManager(self.emitter)
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def test_000_init(self):
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self.assertEqual(self.manager, {})
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def test_001_missing(self):
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device = TestDevice(self.emitter.app.domains['vm'], 'testdev')
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self.manager['testclass'].attach(device)
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self.assertEventFired(self.emitter, 'device-attach:testclass')
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