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# This file contains common test fixtures for registryd's tests.
# Using pytest's terminology for a test's steps:
#
# 1. Arrange: create a test fixture; this usually involves a running registry and an accessible app stub.
#
# 2. Act: manipulate the app or the registry.
#
# 3. Assert: ensure that the thing being manipulated is in the expected state.
#
# 4. Cleanup: Terminate the registry and the app. It is important that the registry exits cleanly,
# so it can write out its code coverage information.
#
# This module exports the following fixtures:
#
# * main_loop - a GLib.MainLoop integrated with the DBusGMainLoop.
#
# * session_manager - A mock gnome-session to control the lifetime of daemons. In
# reality, the fixture assumes that there is a gnome-session mock running (see
# ci/run-registryd-tests.sh) and just tells that mock to Logout at fixture teardown
# time, so that all daemons that monitor the session's lifetime will exit at teardown.
#
# * registry - A dbus.proxies.ProxyObject for the registry's root object. This automatically
# depends on a session_manager fixture to control its lifetime.
import pytest
import dbus
@pytest.fixture
def main_loop():
from dbus.mainloop.glib import DBusGMainLoop
from gi.repository import GLib
DBusGMainLoop(set_as_default=True)
loop = GLib.MainLoop()
return loop
def get_accesssibility_bus_address():
bus = dbus.SessionBus()
bus_launcher = bus.get_object('org.a11y.Bus', '/org/a11y/bus')
return str(bus_launcher.GetAddress(dbus_interface='org.a11y.Bus'))
@pytest.fixture
def session_manager():
# This assumes that pytest is running in this environment:
#
# * A session dbus daemon is running
#
# * There is a gnome-session mock running
#
# See the ci/run-registryd-tests.sh script to see how that environment is set up.
import time
bus = dbus.SessionBus()
mock_session = bus.get_object('org.gnome.SessionManager', '/org/gnome/SessionManager')
mock_session.SetSessionRunning(True, dbus_interface='org.freedesktop.DBus.Mock')
yield mock_session
# Tell all session clients to terminate
mock_session.Logout(0, dbus_interface='org.gnome.SessionManager')
# Wait a bit for the a11y bus launcher to really die
proxy = bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
while True:
names = proxy.ListNames(dbus_interface='org.freedesktop.DBus')
if 'org.a11y.Bus' in names:
time.sleep(1)
else:
break
# Reset mock session back to its starting state
mock_session.Reset(dbus_interface='org.freedesktop.DBus.Mock')
@pytest.fixture
def registry_root(main_loop, session_manager):
a11y_address = get_accesssibility_bus_address()
a11y_bus = dbus.bus.BusConnection(a11y_address)
return a11y_bus.get_object('org.a11y.atspi.Registry', '/org/a11y/atspi/accessible/root')
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