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#!/usr/bin/python3
# switcheroo-control integration test suite
#
# Run in built tree to test local built binaries, or from anywhere else to test
# system installed binaries.
#
# Copyright: (C) 2011 Martin Pitt <martin.pitt@ubuntu.com>
# (C) 2020 Bastien Nocera <hadess@hadess.net>
#
# 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.
import os
import sys
import dbus
import tempfile
import subprocess
import unittest
import time
try:
import gi
from gi.repository import GLib
from gi.repository import Gio
except ImportError as e:
sys.stderr.write('Skipping tests, PyGobject not available for Python 3, or missing GI typelibs: %s\n' % str(e))
sys.exit(0)
try:
gi.require_version('UMockdev', '1.0')
from gi.repository import UMockdev
except ImportError:
sys.stderr.write('Skipping tests, umockdev not available (https://github.com/martinpitt/umockdev)\n')
sys.exit(0)
try:
import dbusmock
except ImportError:
sys.stderr.write('Skipping tests, python-dbusmock not available (http://pypi.python.org/pypi/python-dbusmock).\n')
sys.exit(0)
SC = 'net.hadess.SwitcherooControl'
SC_PATH = '/net/hadess/SwitcherooControl'
class Tests(dbusmock.DBusTestCase):
@classmethod
def setUpClass(cls):
# run from local build tree if we are in one, otherwise use system instance
builddir = os.getenv('top_builddir', '.')
if os.access(os.path.join(builddir, 'src', 'switcheroo-control'), os.X_OK):
cls.daemon_path = os.path.join(builddir, 'src', 'switcheroo-control')
print('Testing binaries from local build tree (%s)' % cls.daemon_path)
cls.local_daemon = True
elif os.environ.get('UNDER_JHBUILD', False):
jhbuild_prefix = os.environ['JHBUILD_PREFIX']
cls.daemon_path = os.path.join(jhbuild_prefix, 'libexec', 'switcheroo-control')
print('Testing binaries from JHBuild (%s)' % cls.daemon_path)
cls.local_daemon = False
else:
cls.daemon_path = None
with open('/usr/lib/systemd/system/switcheroo-control.service') as f:
for line in f:
if line.startswith('ExecStart='):
cls.daemon_path = line.split('=', 1)[1].strip()
break
assert cls.daemon_path, 'could not determine daemon path from systemd .service file'
cls.local_daemon = False
print('Testing installed system binary (%s)' % cls.daemon_path)
# fail on CRITICALs on client side
GLib.log_set_always_fatal(GLib.LogLevelFlags.LEVEL_WARNING |
GLib.LogLevelFlags.LEVEL_ERROR |
GLib.LogLevelFlags.LEVEL_CRITICAL)
# set up a fake system D-BUS
cls.test_bus = Gio.TestDBus.new(Gio.TestDBusFlags.NONE)
cls.test_bus.up()
try:
del os.environ['DBUS_SESSION_BUS_ADDRESS']
except KeyError:
pass
os.environ['DBUS_SYSTEM_BUS_ADDRESS'] = cls.test_bus.get_bus_address()
cls.dbus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
cls.dbus_con = cls.get_dbus(True)
@classmethod
def tearDownClass(cls):
cls.test_bus.down()
dbusmock.DBusTestCase.tearDownClass()
def setUp(self):
'''Set up a local umockdev testbed.
The testbed is initially empty.
'''
self.testbed = UMockdev.Testbed.new()
self.proxy = None
self.log = None
self.daemon = None
def tearDown(self):
del self.testbed
self.stop_daemon()
# on failures, print daemon log
errors = [x[1] for x in self._outcome.errors if x[1]]
if errors and self.log:
with open(self.log.name) as f:
sys.stderr.write('\n-------------- daemon log: ----------------\n')
sys.stderr.write(f.read())
sys.stderr.write('------------------------------\n')
#
# Daemon control and D-BUS I/O
#
def start_daemon(self):
'''Start daemon and create DBus proxy.
When done, this sets self.proxy as the Gio.DBusProxy for switcheroo-control.
'''
env = os.environ.copy()
env['G_DEBUG'] = 'fatal-criticals'
env['G_MESSAGES_DEBUG'] = 'all'
# note: Python doesn't propagate the setenv from Testbed.new(), so we
# have to do that ourselves
env['UMOCKDEV_DIR'] = self.testbed.get_root_dir()
self.log = tempfile.NamedTemporaryFile()
if os.getenv('VALGRIND') != None:
if self.local_daemon:
daemon_path = ['libtool', '--mode=execute', 'valgrind', self.daemon_path, '-v']
else:
daemon_path = ['valgrind', self.daemon_path, '-v']
else:
daemon_path = [self.daemon_path, '-v']
self.daemon = subprocess.Popen(daemon_path,
env=env, stdout=self.log,
stderr=subprocess.STDOUT)
# wait until the daemon gets online
timeout = 100
while timeout > 0:
time.sleep(0.1)
timeout -= 1
try:
self.get_dbus_property('HasDualGpu')
break
except GLib.GError:
pass
else:
self.fail('daemon did not start in 10 seconds')
self.proxy = Gio.DBusProxy.new_sync(
self.dbus, Gio.DBusProxyFlags.DO_NOT_AUTO_START, None, SC,
SC_PATH, SC, None)
self.assertEqual(self.daemon.poll(), None, 'daemon crashed')
def stop_daemon(self):
'''Stop the daemon if it is running.'''
if self.daemon:
try:
self.daemon.kill()
except OSError:
pass
self.daemon.wait()
self.daemon = None
self.proxy = None
def get_dbus_property(self, name):
'''Get property value from daemon D-Bus interface.'''
proxy = Gio.DBusProxy.new_sync(
self.dbus, Gio.DBusProxyFlags.DO_NOT_AUTO_START, None, SC,
SC_PATH, 'org.freedesktop.DBus.Properties', None)
return proxy.Get('(ss)', SC, name)
def have_text_in_log(self, text):
return self.count_text_in_log(text) > 0
def count_text_in_log(self, text):
with open(self.log.name) as f:
return f.read().count(text)
def assertEventually(self, condition, message=None, timeout=50):
'''Assert that condition function eventually returns True.
Timeout is in deciseconds, defaulting to 50 (5 seconds). message is
printed on failure.
'''
while timeout >= 0:
context = GLib.MainContext.default()
while context.iteration(False):
pass
if condition():
break
timeout -= 1
time.sleep(0.1)
else:
self.fail(message or 'timed out waiting for ' + str(condition))
def add_intel_gpu(self):
parent = self.testbed.add_device('pci', 'i915 VGA controller', None,
[ 'boot_vga', '1' ],
[ 'DRIVER', 'i915',
'PCI_CLASS', '30000',
'PCI_ID', '8086:5917',
'PCI_SUBSYS_ID', '1043:1A00'
'PCI_SLOT_NAME', '0000:00:02.0'
'MODALIAS', 'pci:v00008086d00005917sv00001043sd00001A00bc03sc00i00',
'ID_PCI_CLASS_FROM_DATABASE', 'Display controller',
'ID_PCI_SUBCLASS_FROM_DATABASE', 'VGA compatible controller',
'ID_PCI_INTERFACE_FROM_DATABASE', 'VGA controller',
'ID_VENDOR_FROM_DATABASE', 'Intel Corporation',
'ID_MODEL_FROM_DATABASE', 'UHD Graphics 620',
'SWITCHEROO_CONTROL_PRODUCT_NAME', 'UHD Graphics 620 (Kabylake GT2)',
'SWITCHEROO_CONTROL_VENDOR_NAME', 'Intel(R)',
'FWUPD_GUID', '0x8086:0x5917' ]
)
self.testbed.add_device('drm', 'dri/card0', parent,
[],
[ 'DEVNAME', '/dev/dri/card0',
'ID_PATH', 'pci-0000:00:02.0',
'ID_PATH_TAG', 'pci-0000_00_02_0' ]
)
self.testbed.add_device('drm', 'dri/renderD128', parent,
[],
[ 'DEVNAME', '/dev/dri/renderD128',
'ID_PATH', 'pci-0000:00:02.0',
'ID_PATH_TAG', 'pci-0000_00_02_0' ]
)
def add_nouveau_gpu(self):
parent = self.testbed.add_device('pci', 'NVidia VGA controller', None,
[ 'boot_vga', '0' ],
[ 'DRIVER', 'nouveau',
'PCI_CLASS', '30200',
'PCI_ID', '10DE:134E',
'PCI_SUBSYS_ID', '1043:143E'
'PCI_SLOT_NAME', '0000:01:00.0'
'MODALIAS', 'pci:v000010DEd0000134Esv00001043sd0000143Ebc03sc02i00',
'ID_PCI_CLASS_FROM_DATABASE', 'Display controller',
'ID_PCI_SUBCLASS_FROM_DATABASE', '3D controller',
'ID_PCI_INTERFACE_FROM_DATABASE', 'NVIDIA Corporation',
'ID_MODEL_FROM_DATABASE', 'GM108M [GeForce 930MX]',
'FWUPD_GUID', '0x10de:0x134e' ]
)
self.testbed.add_device('drm', 'dri/card1', parent,
[],
[ 'DEVNAME', '/dev/dri/card1',
'ID_PATH', 'pci-0000:01:00.0',
'ID_PATH_TAG', 'pci-0000_01_00_0' ]
)
self.testbed.add_device('drm', 'dri/renderD129', parent,
[],
[ 'DEVNAME', '/dev/dri/renderD129',
'ID_PATH', 'pci-0000:01:00.0',
'ID_PATH_TAG', 'pci-0000_01_00_0' ]
)
#
# Actual test cases
#
def test_single_device(self):
'''single device'''
self.add_intel_gpu()
self.start_daemon()
self.assertEqual(self.get_dbus_property('HasDualGpu'), False)
self.assertEqual(self.get_dbus_property('NumGPUs'), 1)
gpus = self.get_dbus_property('GPUs')
self.assertEqual(len(gpus), 1)
self.assertEqual(gpus[0]['Name'], 'Intel® UHD Graphics 620 (Kabylake GT2)')
sc_env = gpus[0]['Environment']
self.assertEqual(len(sc_env), 2)
self.assertEqual(sc_env[0], 'DRI_PRIME')
self.assertEqual(sc_env[1], 'pci-0000_00_02_0')
self.assertEqual(gpus[0]['Default'], True)
# process = subprocess.Popen(['gdbus', 'introspect', '--system', '--dest', 'net.hadess.SwitcherooControl', '--object-path', '/net/hadess/SwitcherooControl'])
# print (self.get_dbus_property('GPUs'))
self.stop_daemon()
def test_dual_open_source(self):
'''dual open source devices'''
self.add_intel_gpu()
self.add_nouveau_gpu()
self.start_daemon()
self.assertEqual(self.get_dbus_property('HasDualGpu'), True)
self.assertEqual(self.get_dbus_property('NumGPUs'), 2)
gpus = self.get_dbus_property('GPUs')
self.assertEqual(len(gpus), 2)
gpu = gpus[0]
self.assertEqual(gpu['Name'], 'GM108M [GeForce 930MX]')
sc_env = gpu['Environment']
self.assertEqual(len(sc_env), 2)
self.assertEqual(sc_env[0], 'DRI_PRIME')
self.assertEqual(sc_env[1], 'pci-0000_01_00_0')
self.assertEqual(gpu['Default'], False)
gpu = gpus[1]
self.assertEqual(gpu['Name'], 'Intel® UHD Graphics 620 (Kabylake GT2)')
sc_env = gpu['Environment']
self.assertEqual(len(sc_env), 2)
self.assertEqual(sc_env[0], 'DRI_PRIME')
self.assertEqual(sc_env[1], 'pci-0000_00_02_0')
self.assertEqual(gpu['Default'], True)
# process = subprocess.Popen(['gdbus', 'introspect', '--system', '--dest', 'net.hadess.SwitcherooControl', '--object-path', '/net/hadess/SwitcherooControl'])
self.stop_daemon()
def test_dual_open_source(self):
'''dual open source devices'''
self.add_intel_gpu()
self.add_nouveau_gpu()
self.testbed.add_device('drm', 'ttm', None,
[],
[ 'DEVPATH', '/devices/virtual/drm/ttm',
'DEVTYPE', 'ttm' ]
)
self.start_daemon()
self.assertEqual(self.get_dbus_property('HasDualGpu'), True)
self.assertEqual(self.get_dbus_property('NumGPUs'), 2)
gpus = self.get_dbus_property('GPUs')
self.assertEqual(len(gpus), 2)
gpu = gpus[0]
self.assertEqual(gpu['Name'], 'GM108M [GeForce 930MX]')
self.assertEqual(gpu['Default'], False)
gpu = gpus[1]
self.assertEqual(gpu['Name'], 'Intel® UHD Graphics 620 (Kabylake GT2)')
self.assertEqual(gpu['Default'], True)
# process = subprocess.Popen(['gdbus', 'introspect', '--system', '--dest', 'net.hadess.SwitcherooControl', '--object-path', '/net/hadess/SwitcherooControl'])
self.stop_daemon()
def test_dual_hotplug(self):
'''dual open source devices'''
self.add_intel_gpu()
self.start_daemon()
self.assertEqual(self.get_dbus_property('HasDualGpu'), False)
self.assertEqual(self.get_dbus_property('NumGPUs'), 1)
self.add_nouveau_gpu()
self.assertEqual(self.get_dbus_property('HasDualGpu'), True)
self.assertEqual(self.get_dbus_property('NumGPUs'), 2)
# process = subprocess.Popen(['gdbus', 'introspect', '--system', '--dest', 'net.hadess.SwitcherooControl', '--object-path', '/net/hadess/SwitcherooControl'])
self.stop_daemon()
#
# Helper methods
#
@classmethod
def _props_to_str(cls, properties):
'''Convert a properties dictionary to uevent text representation.'''
prop_str = ''
if properties:
for k, v in properties.items():
prop_str += '%s=%s\n' % (k, v)
return prop_str
if __name__ == '__main__':
# run ourselves under umockdev
if 'umockdev' not in os.environ.get('LD_PRELOAD', ''):
os.execvp('umockdev-wrapper', ['umockdev-wrapper'] + sys.argv)
unittest.main()
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