mutter/src/tests/meta-dbus-runner.py
Jonas Ådahl 3eeecd42b0 tests/dbus-runner: Don't log to a loose ended pipe
We created pipes for the stdout of the spawned mock services. This
resulted in the pipe being filled if enough things were logged, as
nothing was reading from it. Change this to allow for two modes:
verbose - where output is logged to the parent stderr, as well as non-verbose
(default) - where things are logged directly to /dev/null.

This fixes frozen tests when running with --repeat and a high enough
repeat count.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2139>
2021-12-07 20:33:26 +00:00

126 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python3
import dbus
import sys
import os
import fcntl
import subprocess
from collections import OrderedDict
from dbusmock import DBusTestCase
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
def get_templates_dir():
return os.path.join(os.path.dirname(__file__), 'dbusmock-templates')
def get_template_path(template_name):
return os.path.join(get_templates_dir(), template_name + '.py')
def get_subprocess_stdout():
if os.getenv('META_DBUS_RUNNER_VERBOSE') == '1':
return sys.stderr
else:
return subprocess.DEVNULL;
class MutterDBusTestCase(DBusTestCase):
@classmethod
def setUpClass(klass):
klass.mocks = OrderedDict()
DBusTestCase.setUpClass()
klass.start_session_bus()
klass.start_system_bus()
(klass.mocks_manager, klass.mock_obj) = klass.start_from_local_template(
'meta-mocks-manager', {'templates-dir': get_templates_dir()})
klass.start_from_template('logind')
klass.start_from_local_template('localed')
klass.system_bus_con = klass.get_dbus(system_bus=True)
klass.session_bus_con = klass.get_dbus(system_bus=False)
if klass.session_bus_con.name_has_owner('org.gnome.Mutter.DisplayConfig'):
raise Exception(
'org.gnome.Mutter.DisplayConfig already has owner on the session bus, bailing')
@classmethod
def tearDownClass(klass):
klass.mock_obj.Cleanup()
for (mock_server, mock_obj) in reversed(klass.mocks.values()):
mock_server.terminate()
mock_server.wait()
DBusTestCase.tearDownClass()
@classmethod
def start_from_template(klass, template, params={}):
mock_server, mock_obj = \
klass.spawn_server_template(template,
params,
get_subprocess_stdout())
mocks = (mock_server, mock_obj)
assert klass.mocks.setdefault(template, mocks) == mocks
return mocks
@classmethod
def start_from_local_template(klass, template_file_name, params={}):
template = get_template_path(template_file_name)
return klass.start_from_template(template, params)
@classmethod
def start_from_template_managed(klass, template):
klass.mock_obj.StartFromTemplate(template)
@classmethod
def start_from_local_template_managed(klass, template_file_name):
template = get_template_path(template_file_name)
klass.mock_obj.StartFromLocalTemplate(template)
@classmethod
def start_from_class(klass, mock_class, params={}):
mock_server = \
klass.spawn_server(mock_class.BUS_NAME,
mock_class.MAIN_OBJ,
mock_class.MAIN_IFACE,
mock_class.SYSTEM_BUS,
stdout=get_subprocess_stdout())
bus = klass.get_dbus(system_bus=mock_class.SYSTEM_BUS)
mock_obj = bus.get_object(mock_class.BUS_NAME, mock_class.MAIN_OBJ)
mock_class.load(mock_obj, params)
mocks = (mock_server, mock_obj)
assert klass.mocks.setdefault(mock_class, mocks) == mocks
return mocks
def wrap_call(self, args):
env = {}
env.update(os.environ)
env['NO_AT_BRIDGE'] = '1'
env['GSETTINGS_BACKEND'] = 'memory'
wrapper = env.get('META_DBUS_RUNNER_WRAPPER')
if wrapper == 'gdb':
args = ['gdb', '-ex', 'r', '-ex', 'bt full', '--args'] + args
elif wrapper:
args = wrapper.split(' ') + args
p = subprocess.Popen(args, env=env)
self.assertEqual(p.wait(), 0)
if __name__ == '__main__':
MutterDBusTestCase.setUpClass()
test_case = MutterDBusTestCase()
test_case.assertGreater(len(sys.argv), 1)
try:
test_case.wrap_call(sys.argv[1:])
finally:
MutterDBusTestCase.tearDownClass()