core-admin/tests/vm_qrexec_gui.py
Marek Marczykowski-Górecki 455535d036 tests: reload qubes.xml after creating VMs
Unfortunately it is still needed. For example to load default netvm
setting.
2015-07-08 01:20:25 +02:00

713 lines
28 KiB
Python

#!/usr/bin/python
# vim: fileencoding=utf-8
#
# The Qubes OS Project, https://www.qubes-os.org/
#
# Copyright (C) 2014-2015
# Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
# Copyright (C) 2015 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.
#
from distutils import spawn
import multiprocessing
import os
import subprocess
import unittest
import time
from qubes.qubes import QubesVmCollection, defaults, QubesException
import qubes.tests
TEST_DATA = "0123456789" * 1024
class TC_00_AppVMMixin(qubes.tests.SystemTestsMixin):
def setUp(self):
super(TC_00_AppVMMixin, self).setUp()
self.testvm1 = self.qc.add_new_vm(
"QubesAppVm",
name=self.make_vm_name('vm1'),
template=self.qc.get_vm_by_name(self.template))
self.testvm1.create_on_disk(verbose=False)
self.testvm2 = self.qc.add_new_vm(
"QubesAppVm",
name=self.make_vm_name('vm2'),
template=self.qc.get_vm_by_name(self.template))
self.testvm2.create_on_disk(verbose=False)
self.save_and_reload_db()
self.qc.unlock_db()
self.testvm1 = self.qc[self.testvm1.qid]
self.testvm2 = self.qc[self.testvm2.qid]
def test_000_start_shutdown(self):
self.testvm1.start()
self.assertEquals(self.testvm1.get_power_state(), "Running")
self.testvm1.shutdown()
shutdown_counter = 0
while self.testvm1.is_running():
if shutdown_counter > defaults["shutdown_counter_max"]:
self.fail("VM hanged during shutdown")
shutdown_counter += 1
time.sleep(1)
time.sleep(1)
self.assertEquals(self.testvm1.get_power_state(), "Halted")
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_010_run_gui_app(self):
self.testvm1.start()
self.assertEquals(self.testvm1.get_power_state(), "Running")
self.testvm1.run("gnome-terminal")
wait_count = 0
while subprocess.call(
['xdotool', 'search', '--name', 'user@{}'.
format(self.testvm1.name)],
stdout=open(os.path.devnull, 'w'),
stderr=subprocess.STDOUT) > 0:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for gnome-terminal window")
time.sleep(0.1)
time.sleep(0.5)
subprocess.check_call(
['xdotool', 'search', '--name', 'user@{}'.format(self.testvm1.name),
'windowactivate', 'type', 'exit\n'])
wait_count = 0
while subprocess.call(['xdotool', 'search', '--name',
'user@{}'.format(self.testvm1.name)],
stdout=open(os.path.devnull, 'w'),
stderr=subprocess.STDOUT) == 0:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for gnome-terminal "
"termination")
time.sleep(0.1)
def test_050_qrexec_simple_eof(self):
"""Test for data and EOF transmission dom0->VM"""
result = multiprocessing.Value('i', 0)
def run(self, result):
p = self.testvm1.run("cat", passio_popen=True,
passio_stderr=True)
(stdout, stderr) = p.communicate(TEST_DATA)
if stdout != TEST_DATA:
result.value = 1
if len(stderr) > 0:
result.value = 2
self.testvm1.start()
t = multiprocessing.Process(target=run, args=(self, result))
t.start()
t.join(timeout=10)
if t.is_alive():
t.terminate()
self.fail("Timeout, probably EOF wasn't transferred to the VM "
"process")
if result.value == 1:
self.fail("Received data differs from what was sent")
elif result.value == 2:
self.fail("Some data was printed to stderr")
def test_051_qrexec_simple_eof_reverse(self):
"""Test for EOF transmission VM->dom0"""
result = multiprocessing.Value('i', 0)
def run(self, result):
p = self.testvm1.run("echo test; exec >&-; cat > /dev/null",
passio_popen=True, passio_stderr=True)
# this will hang on test failure
stdout = p.stdout.read()
p.stdin.write(TEST_DATA)
p.stdin.close()
if stdout.strip() != "test":
result.value = 1
# this may hang in some buggy cases
elif len(p.stderr.read()) > 0:
result.value = 2
elif p.poll() is None:
time.sleep(1)
if p.poll() is None:
result.value = 3
self.testvm1.start()
t = multiprocessing.Process(target=run, args=(self, result))
t.start()
t.join(timeout=10)
if t.is_alive():
t.terminate()
self.fail("Timeout, probably EOF wasn't transferred from the VM "
"process")
if result.value == 1:
self.fail("Received data differs from what was expected")
elif result.value == 2:
self.fail("Some data was printed to stderr")
elif result.value == 3:
self.fail("VM proceess didn't terminated on EOF")
def test_052_qrexec_vm_service_eof(self):
"""Test for EOF transmission VM(src)->VM(dst)"""
result = multiprocessing.Value('i', 0)
def run(self, result):
p = self.testvm1.run("/usr/lib/qubes/qrexec-client-vm %s test.EOF "
"/bin/sh -c 'echo test; exec >&-; cat "
">&$SAVED_FD_1'" % self.testvm2.name,
passio_popen=True)
(stdout, stderr) = p.communicate()
if stdout != "test\n":
result.value = 1
self.testvm1.start()
self.testvm2.start()
p = self.testvm2.run("cat > /etc/qubes-rpc/test.EOF", user="root",
passio_popen=True)
p.stdin.write("/bin/cat")
p.stdin.close()
p.wait()
policy = open("/etc/qubes-rpc/policy/test.EOF", "w")
policy.write("%s %s allow" % (self.testvm1.name, self.testvm2.name))
policy.close()
self.addCleanup(os.unlink, "/etc/qubes-rpc/policy/test.EOF")
t = multiprocessing.Process(target=run, args=(self, result))
t.start()
t.join(timeout=10)
if t.is_alive():
t.terminate()
self.fail("Timeout, probably EOF wasn't transferred")
if result.value == 1:
self.fail("Received data differs from what was expected")
@unittest.expectedFailure
def test_053_qrexec_vm_service_eof_reverse(self):
"""Test for EOF transmission VM(src)<-VM(dst)"""
result = multiprocessing.Value('i', 0)
def run(self, result):
p = self.testvm1.run("/usr/lib/qubes/qrexec-client-vm %s test.EOF "
"/bin/sh -c 'cat >&$SAVED_FD_1'"
% self.testvm1.name,
passio_popen=True)
(stdout, stderr) = p.communicate()
if stdout != "test\n":
result.value = 1
self.testvm1.start()
self.testvm2.start()
p = self.testvm2.run("cat > /etc/qubes-rpc/test.EOF", user="root",
passio_popen=True)
p.stdin.write("echo test; exec >&-; cat >/dev/null")
p.stdin.close()
p.wait()
policy = open("/etc/qubes-rpc/policy/test.EOF", "w")
policy.write("%s %s allow" % (self.testvm1.name, self.testvm2.name))
policy.close()
self.addCleanup(os.unlink, "/etc/qubes-rpc/policy/test.EOF")
t = multiprocessing.Process(target=run, args=(self, result))
t.start()
t.join(timeout=10)
if t.is_alive():
t.terminate()
self.fail("Timeout, probably EOF wasn't transferred")
if result.value == 1:
self.fail("Received data differs from what was expected")
def test_060_qrexec_exit_code_dom0(self):
self.testvm1.start()
p = self.testvm1.run("exit 0", passio_popen=True)
p.wait()
self.assertEqual(0, p.returncode)
p = self.testvm1.run("exit 3", passio_popen=True)
p.wait()
self.assertEqual(3, p.returncode)
@unittest.expectedFailure
def test_065_qrexec_exit_code_vm(self):
self.testvm1.start()
self.testvm2.start()
policy = open("/etc/qubes-rpc/policy/test.Retcode", "w")
policy.write("%s %s allow" % (self.testvm1.name, self.testvm2.name))
policy.close()
self.addCleanup(os.unlink, "/etc/qubes-rpc/policy/test.Retcode")
p = self.testvm2.run("cat > /etc/qubes-rpc/test.Retcode", user="root",
passio_popen=True)
p.stdin.write("exit 0")
p.stdin.close()
p.wait()
p = self.testvm1.run("/usr/lib/qubes/qrexec-client-vm %s test.Retcode "
"/bin/sh -c 'cat >/dev/null'; echo $?"
% self.testvm1.name,
passio_popen=True)
(stdout, stderr) = p.communicate()
self.assertEqual(stdout, "0\n")
p = self.testvm2.run("cat > /etc/qubes-rpc/test.Retcode", user="root",
passio_popen=True)
p.stdin.write("exit 3")
p.stdin.close()
p.wait()
p = self.testvm1.run("/usr/lib/qubes/qrexec-client-vm %s test.Retcode "
"/bin/sh -c 'cat >/dev/null'; echo $?"
% self.testvm1.name,
passio_popen=True)
(stdout, stderr) = p.communicate()
self.assertEqual(stdout, "3\n")
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_100_qrexec_filecopy(self):
self.testvm1.start()
self.testvm2.start()
p = self.testvm1.run("qvm-copy-to-vm %s /etc/passwd" %
self.testvm2.name, passio_popen=True,
passio_stderr=True)
# Confirm transfer
subprocess.check_call(
['xdotool', 'search', '--sync', '--name', 'Question', 'key', 'y'])
p.wait()
self.assertEqual(p.returncode, 0, "qvm-copy-to-vm failed: %s" %
p.stderr.read())
retcode = self.testvm2.run("diff /etc/passwd "
"/home/user/QubesIncoming/{}/passwd".format(
self.testvm1.name),
wait=True)
self.assertEqual(retcode, 0, "file differs")
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_110_qrexec_filecopy_deny(self):
self.testvm1.start()
self.testvm2.start()
p = self.testvm1.run("qvm-copy-to-vm %s /etc/passwd" %
self.testvm2.name, passio_popen=True)
# Deny transfer
subprocess.check_call(['xdotool', 'search', '--sync', '--name', 'Question',
'key', 'n'])
p.wait()
self.assertNotEqual(p.returncode, 0, "qvm-copy-to-vm unexpectedly "
"succeeded")
retcode = self.testvm1.run("ls /home/user/QubesIncoming/%s" %
self.testvm1.name, wait=True,
ignore_stderr=True)
self.assertNotEqual(retcode, 0, "QubesIncoming exists although file "
"copy was denied")
@unittest.skip("Xen gntalloc driver crashes when page is mapped in the "
"same domain")
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_120_qrexec_filecopy_self(self):
self.testvm1.start()
p = self.testvm1.run("qvm-copy-to-vm %s /etc/passwd" %
self.testvm1.name, passio_popen=True,
passio_stderr=True)
# Confirm transfer
subprocess.check_call(['xdotool', 'search', '--sync', '--name', 'Question',
'key', 'y'])
p.wait()
self.assertEqual(p.returncode, 0, "qvm-copy-to-vm failed: %s" %
p.stderr.read())
retcode = self.testvm1.run(
"diff /etc/passwd /home/user/QubesIncoming/{}/passwd".format(
self.testvm1.name),
wait=True)
self.assertEqual(retcode, 0, "file differs")
def test_200_timezone(self):
"""Test whether timezone setting is properly propagated to the VM"""
if "whonix" in self.template:
self.skipTest("Timezone propagation disabled on Whonix templates")
self.testvm1.start()
(vm_tz, _) = self.testvm1.run("date +%Z",
passio_popen=True).communicate()
(dom0_tz, _) = subprocess.Popen(["date", "+%Z"],
stdout=subprocess.PIPE).communicate()
self.assertEqual(vm_tz.strip(), dom0_tz.strip())
# Check if reverting back to UTC works
(vm_tz, _) = self.testvm1.run("TZ=UTC date +%Z",
passio_popen=True).communicate()
self.assertEqual(vm_tz.strip(), "UTC")
class TC_10_HVM(qubes.tests.SystemTestsMixin, qubes.tests.QubesTestCase):
# TODO: test with some OS inside
# TODO: windows tools tests
def test_000_create_start(self):
testvm1 = self.qc.add_new_vm("QubesHVm",
name=self.make_vm_name('vm1'))
testvm1.create_on_disk(verbose=False)
self.qc.save()
self.qc.unlock_db()
testvm1.start()
self.assertEquals(testvm1.get_power_state(), "Running")
def test_010_create_start_template(self):
templatevm = self.qc.add_new_vm("QubesTemplateHVm",
name=self.make_vm_name('template'))
templatevm.create_on_disk(verbose=False)
self.qc.save()
self.qc.unlock_db()
templatevm.start()
self.assertEquals(templatevm.get_power_state(), "Running")
def test_020_create_start_template_vm(self):
templatevm = self.qc.add_new_vm("QubesTemplateHVm",
name=self.make_vm_name('template'))
templatevm.create_on_disk(verbose=False)
testvm2 = self.qc.add_new_vm("QubesHVm",
name=self.make_vm_name('vm2'),
template=templatevm)
testvm2.create_on_disk(verbose=False)
self.qc.save()
self.qc.unlock_db()
testvm2.start()
self.assertEquals(testvm2.get_power_state(), "Running")
def test_030_prevent_simultaneus_start(self):
templatevm = self.qc.add_new_vm("QubesTemplateHVm",
name=self.make_vm_name('template'))
templatevm.create_on_disk(verbose=False)
testvm2 = self.qc.add_new_vm("QubesHVm",
name=self.make_vm_name('vm2'),
template=templatevm)
testvm2.create_on_disk(verbose=False)
self.qc.save()
self.qc.unlock_db()
templatevm.start()
self.assertEquals(templatevm.get_power_state(), "Running")
self.assertRaises(QubesException, testvm2.start)
templatevm.force_shutdown()
testvm2.start()
self.assertEquals(testvm2.get_power_state(), "Running")
self.assertRaises(QubesException, templatevm.start)
class TC_20_DispVMMixin(qubes.tests.SystemTestsMixin):
def test_000_prepare_dvm(self):
self.qc.unlock_db()
retcode = subprocess.call(['/usr/bin/qvm-create-default-dvm',
self.template],
stderr=open(os.devnull, 'w'))
self.assertEqual(retcode, 0)
self.qc.lock_db_for_writing()
self.qc.load()
self.assertIsNotNone(self.qc.get_vm_by_name(
self.template + "-dvm"))
# TODO: check mtime of snapshot file
def test_010_simple_dvm_run(self):
self.qc.unlock_db()
p = subprocess.Popen(['/usr/lib/qubes/qfile-daemon-dvm',
'qubes.VMShell', 'dom0', 'DEFAULT'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=open(os.devnull, 'w'))
(stdout, _) = p.communicate(input="echo test")
self.assertEqual(stdout, "test\n")
# TODO: check if DispVM is destroyed
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_020_gui_app(self):
self.qc.unlock_db()
p = subprocess.Popen(['/usr/lib/qubes/qfile-daemon-dvm',
'qubes.VMShell', 'dom0', 'DEFAULT'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=open(os.devnull, 'w'))
# wait for DispVM startup:
p.stdin.write("echo test\n")
p.stdin.flush()
l = p.stdout.readline()
self.assertEqual(l, "test\n")
# potential race condition, but our tests are supposed to be
# running on dedicated machine, so should not be a problem
self.qc.lock_db_for_reading()
self.qc.load()
self.qc.unlock_db()
max_qid = 0
for vm in self.qc.values():
if not vm.is_disposablevm():
continue
if vm.qid > max_qid:
max_qid = vm.qid
dispvm = self.qc[max_qid]
self.assertNotEqual(dispvm.qid, 0, "DispVM not found in qubes.xml")
self.assertTrue(dispvm.is_running())
window_title = 'user@%s' % (dispvm.template.name + "-dvm")
p.stdin.write("gnome-terminal -e "
"\"sh -s -c 'echo \\\"\033]0;{}\007\\\"'\"\n".
format(window_title))
wait_count = 0
while subprocess.call(['xdotool', 'search', '--name', window_title],
stdout=open(os.path.devnull, 'w'),
stderr=subprocess.STDOUT) > 0:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for gnome-terminal window")
time.sleep(0.1)
time.sleep(0.5)
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'windowactivate', 'type', 'exit\n'])
wait_count = 0
while subprocess.call(['xdotool', 'search', '--name', window_title],
stdout=open(os.path.devnull, 'w'),
stderr=subprocess.STDOUT) == 0:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for gnome-terminal "
"termination")
time.sleep(0.1)
p.stdin.close()
wait_count = 0
while dispvm.is_running():
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for DispVM destruction")
time.sleep(0.1)
wait_count = 0
while p.poll() is None:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for qfile-daemon-dvm "
"termination")
time.sleep(0.1)
self.assertEqual(p.returncode, 0)
self.qc.lock_db_for_reading()
self.qc.load()
self.qc.unlock_db()
self.assertIsNone(self.qc.get_vm_by_name(dispvm.name),
"DispVM not removed from qubes.xml")
def _handle_editor(self, winid):
(window_title, _) = subprocess.Popen(
['xdotool', 'getwindowname', winid], stdout=subprocess.PIPE).\
communicate()
window_title = window_title.strip().\
replace('(', '\(').replace(')', '\)')
time.sleep(1)
if "gedit" in window_title:
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'windowactivate', 'type', 'test test 2\n'])
time.sleep(0.5)
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'key', 'ctrl+s', 'ctrl+q'])
elif "emacs" in window_title:
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'windowactivate', 'type', 'test test 2\n'])
time.sleep(0.5)
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'key', 'ctrl+x', 'ctrl+s'])
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'key', 'ctrl+x', 'ctrl+c'])
elif "vim" in window_title:
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'windowactivate', 'key', 'i',
'type', 'test test 2\n'])
subprocess.check_call(
['xdotool', 'search', '--name', window_title,
'key', 'Escape', 'colon', 'w', 'q', 'Return'])
else:
self.fail("Unknown editor window: {}".format(window_title))
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_030_edit_file(self):
testvm1 = self.qc.add_new_vm("QubesAppVm",
name=self.make_vm_name('vm1'),
template=self.qc.get_vm_by_name(
self.template))
testvm1.create_on_disk(verbose=False)
self.qc.save()
testvm1.start()
testvm1.run("echo test1 > /home/user/test.txt", wait=True)
self.qc.unlock_db()
p = testvm1.run("qvm-open-in-dvm /home/user/test.txt",
passio_popen=True)
wait_count = 0
winid = None
while True:
search = subprocess.Popen(['xdotool', 'search',
'--onlyvisible', '--class', 'disp*'],
stdout=subprocess.PIPE,
stderr=open(os.path.devnull, 'w'))
retcode = search.wait()
if retcode == 0:
winid = search.stdout.read().strip()
break
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for editor window")
time.sleep(0.3)
self._handle_editor(winid)
p.wait()
p = testvm1.run("cat /home/user/test.txt",
passio_popen=True)
(test_txt_content, _) = p.communicate()
self.assertEqual(test_txt_content, "test test 2\ntest1\n")
class TC_30_Gui_daemon(qubes.tests.SystemTestsMixin, qubes.tests.QubesTestCase):
@unittest.skipUnless(spawn.find_executable('xdotool'),
"xdotool not installed")
def test_000_clipboard(self):
testvm1 = self.qc.add_new_vm("QubesAppVm",
name=self.make_vm_name('vm1'),
template=self.qc.get_default_template())
testvm1.create_on_disk(verbose=False)
testvm2 = self.qc.add_new_vm("QubesAppVm",
name=self.make_vm_name('vm2'),
template=self.qc.get_default_template())
testvm2.create_on_disk(verbose=False)
self.qc.save()
self.qc.unlock_db()
testvm1.start()
testvm2.start()
window_title = 'user@{}'.format(testvm1.name)
testvm1.run('zenity --text-info --editable --title={}'.format(
window_title))
wait_count = 0
while subprocess.call(['xdotool', 'search', '--name', window_title],
stdout=open(os.path.devnull, 'w'),
stderr=subprocess.STDOUT) > 0:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for text-info window")
time.sleep(0.1)
time.sleep(0.5)
test_string = "test{}".format(testvm1.xid)
# Type and copy some text
subprocess.check_call(['xdotool', 'search', '--name', window_title,
'windowactivate',
'type', '{}'.format(test_string)])
# second xdotool call because type --terminator do not work (SEGV)
# additionally do not use search here, so window stack will be empty
# and xdotool will use XTEST instead of generating events manually -
# this will be much better - at least because events will have
# correct timestamp (so gui-daemon would not drop the copy request)
subprocess.check_call(['xdotool',
'key', 'ctrl+a', 'ctrl+c', 'ctrl+shift+c',
'Escape'])
clipboard_content = \
open('/var/run/qubes/qubes-clipboard.bin', 'r').read().strip()
self.assertEquals(clipboard_content, test_string,
"Clipboard copy operation failed - content")
clipboard_source = \
open('/var/run/qubes/qubes-clipboard.bin.source',
'r').read().strip()
self.assertEquals(clipboard_source, testvm1.name,
"Clipboard copy operation failed - owner")
# Then paste it to the other window
window_title = 'user@{}'.format(testvm2.name)
testvm2.run('zenity --entry --title={} > test.txt'.format(
window_title))
wait_count = 0
while subprocess.call(['xdotool', 'search', '--name', window_title],
stdout=open(os.path.devnull, 'w'),
stderr=subprocess.STDOUT) > 0:
wait_count += 1
if wait_count > 100:
self.fail("Timeout while waiting for input window")
time.sleep(0.1)
subprocess.check_call(['xdotool', 'key', '--delay', '100',
'ctrl+shift+v', 'ctrl+v', 'Return'])
time.sleep(0.5)
# And compare the result
(test_output, _) = testvm2.run('cat test.txt',
passio_popen=True).communicate()
self.assertEquals(test_string, test_output.strip())
clipboard_content = \
open('/var/run/qubes/qubes-clipboard.bin', 'r').read().strip()
self.assertEquals(clipboard_content, "",
"Clipboard not wiped after paste - content")
clipboard_source = \
open('/var/run/qubes/qubes-clipboard.bin.source', 'r').read(
).strip()
self.assertEquals(clipboard_source, "",
"Clipboard not wiped after paste - owner")
def load_tests(loader, tests, pattern):
try:
qc = qubes.qubes.QubesVmCollection()
qc.lock_db_for_reading()
qc.load()
qc.unlock_db()
templates = [vm.name for vm in qc.values() if
isinstance(vm, qubes.qubes.QubesTemplateVm)]
except OSError:
templates = []
for template in templates:
tests.addTests(loader.loadTestsFromTestCase(
type(
'TC_00_AppVM_' + template,
(TC_00_AppVMMixin, qubes.tests.QubesTestCase),
{'template': template})))
tests.addTests(loader.loadTestsFromTestCase(
type(
'TC_20_DispVM_' + template,
(TC_20_DispVMMixin, qubes.tests.QubesTestCase),
{'template': template})))
return tests