127 lines
4.4 KiB
Python
127 lines
4.4 KiB
Python
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#
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# Martin Kolman <mkolman@redhat.com>
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#
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# Copyright 2016 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use, modify,
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# copy, or redistribute it subject to the terms and conditions of the GNU
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# General Public License v.2. This program is distributed in the hope that it
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# will be useful, but WITHOUT ANY WARRANTY expressed or implied, including the
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# implied warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 51
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Any Red Hat
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# trademarks that are incorporated in the source code or documentation are not
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# subject to the GNU General Public License and may only be used or replicated
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# with the express permission of Red Hat, Inc.
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#
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import unittest
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from pyanaconda.lifecycle import Controller
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class TestModule(object):
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def __init__(self):
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self._test = 1
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class InstallTasksTestCase(unittest.TestCase):
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def setUp(self):
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self._test_variable1 = 0
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def _increment_var1(self):
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self._test_variable1 += 1
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def test_controller(self):
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"""Check that the module initialization controller works correctly."""
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module1 = TestModule()
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module2 = TestModule()
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module3 = TestModule()
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ctrl = Controller()
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ctrl.init_done.connect(self._increment_var1)
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# mark the modules as being initialized
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ctrl.module_init_start(module1)
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ctrl.module_init_start(module2)
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ctrl.module_init_start(module3)
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# tell the controller that all expected modules have been added
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ctrl.all_modules_added()
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# report modules initialization as being finished
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# - order should not matter
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ctrl.module_init_done(module2)
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ctrl.module_init_done(module3)
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ctrl.module_init_done(module1)
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# When the last of the expected modules reports
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# initialization as done the init_done signal of the
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# controller should be triggered. So check that
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# it really happened.
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assert self._test_variable1 == 1
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def test_controller_robustness(self):
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"""Check of controller handles various edge cases."""
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module1 = TestModule()
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module2 = TestModule()
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module3 = TestModule()
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module4 = TestModule()
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module5 = TestModule()
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module6 = TestModule()
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module7 = TestModule()
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module8 = TestModule()
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module9 = TestModule()
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ctrl = Controller()
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ctrl.init_done.connect(self._increment_var1)
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# add some modules and set them as initialized right away
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# - this should basically cancel itself out as
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# - the init_done signal will not be triggered as all_modules_added()
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# has not yet been called
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ctrl.module_init_start(module4)
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ctrl.module_init_start(module5)
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ctrl.module_init_done(module5)
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ctrl.module_init_done(module4)
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# check that the init_done has not yet been triggered
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assert self._test_variable1 == 0
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# mark the modules as being initialized
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ctrl.module_init_start(module1)
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ctrl.module_init_start(module2)
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ctrl.module_init_start(module3)
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# tell the controller that all expected modules have been added
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ctrl.all_modules_added()
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# attempts to add & set modules as initialized after all_modules_added() is called
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# should be also ignored
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ctrl.module_init_start(module6)
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ctrl.module_init_start(module7)
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ctrl.module_init_done(module6)
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# check that the init_done has not yet been triggered
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assert self._test_variable1 == 0
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# report modules initialization as being finished
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# - order should not matter
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ctrl.module_init_done(module2)
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ctrl.module_init_done(module3)
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ctrl.module_init_done(module1)
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# attempts to add & set modules as initialized after the init_done signal
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# has been triggered should be ignored as well
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ctrl.module_init_start(module8)
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ctrl.module_init_start(module9)
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ctrl.module_init_done(module7) # from attempt
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ctrl.module_init_done(module9)
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ctrl.module_init_done(module8)
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# check that the init_done signal has been triggered only once
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assert self._test_variable1 == 1
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