anaconda/anaconda-40.22.3.13/tests/unit_tests/pyanaconda_tests/test_controller.py
2024-11-14 21:39:56 -08:00

126 lines
4.4 KiB
Python

#
# Martin Kolman <mkolman@redhat.com>
#
# Copyright 2016 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use, modify,
# copy, or redistribute it subject to the terms and conditions of the GNU
# General Public License v.2. This program is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY expressed or implied, including the
# implied warranties 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. Any Red Hat
# trademarks that are incorporated in the source code or documentation are not
# subject to the GNU General Public License and may only be used or replicated
# with the express permission of Red Hat, Inc.
#
import unittest
from pyanaconda.lifecycle import Controller
class TestModule(object):
def __init__(self):
self._test = 1
class InstallTasksTestCase(unittest.TestCase):
def setUp(self):
self._test_variable1 = 0
def _increment_var1(self):
self._test_variable1 += 1
def test_controller(self):
"""Check that the module initialization controller works correctly."""
module1 = TestModule()
module2 = TestModule()
module3 = TestModule()
ctrl = Controller()
ctrl.init_done.connect(self._increment_var1)
# mark the modules as being initialized
ctrl.module_init_start(module1)
ctrl.module_init_start(module2)
ctrl.module_init_start(module3)
# tell the controller that all expected modules have been added
ctrl.all_modules_added()
# report modules initialization as being finished
# - order should not matter
ctrl.module_init_done(module2)
ctrl.module_init_done(module3)
ctrl.module_init_done(module1)
# When the last of the expected modules reports
# initialization as done the init_done signal of the
# controller should be triggered. So check that
# it really happened.
assert self._test_variable1 == 1
def test_controller_robustness(self):
"""Check of controller handles various edge cases."""
module1 = TestModule()
module2 = TestModule()
module3 = TestModule()
module4 = TestModule()
module5 = TestModule()
module6 = TestModule()
module7 = TestModule()
module8 = TestModule()
module9 = TestModule()
ctrl = Controller()
ctrl.init_done.connect(self._increment_var1)
# add some modules and set them as initialized right away
# - this should basically cancel itself out as
# - the init_done signal will not be triggered as all_modules_added()
# has not yet been called
ctrl.module_init_start(module4)
ctrl.module_init_start(module5)
ctrl.module_init_done(module5)
ctrl.module_init_done(module4)
# check that the init_done has not yet been triggered
assert self._test_variable1 == 0
# mark the modules as being initialized
ctrl.module_init_start(module1)
ctrl.module_init_start(module2)
ctrl.module_init_start(module3)
# tell the controller that all expected modules have been added
ctrl.all_modules_added()
# attempts to add & set modules as initialized after all_modules_added() is called
# should be also ignored
ctrl.module_init_start(module6)
ctrl.module_init_start(module7)
ctrl.module_init_done(module6)
# check that the init_done has not yet been triggered
assert self._test_variable1 == 0
# report modules initialization as being finished
# - order should not matter
ctrl.module_init_done(module2)
ctrl.module_init_done(module3)
ctrl.module_init_done(module1)
# attempts to add & set modules as initialized after the init_done signal
# has been triggered should be ignored as well
ctrl.module_init_start(module8)
ctrl.module_init_start(module9)
ctrl.module_init_done(module7) # from attempt
ctrl.module_init_done(module9)
ctrl.module_init_done(module8)
# check that the init_done signal has been triggered only once
assert self._test_variable1 == 1