root / test / ganeti.config_unittest.py @ 107b0ccb
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# 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
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for unittesting the config module"""
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import unittest |
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import os |
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import time |
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import tempfile |
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import os.path |
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import socket |
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from ganeti import errors |
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from ganeti import constants |
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from ganeti import config |
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from ganeti import objects |
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from ganeti import utils |
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class TestConfigRunner(unittest.TestCase): |
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"""Testing case for HooksRunner"""
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def setUp(self): |
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fd, self.cfg_file = tempfile.mkstemp()
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os.close(fd) |
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def tearDown(self): |
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try:
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os.unlink(self.cfg_file)
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except OSError: |
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pass
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def _get_object(self): |
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"""Returns a instance of ConfigWriter"""
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cfg = config.ConfigWriter(cfg_file=self.cfg_file, offline=True) |
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return cfg
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def _init_cluster(self, cfg): |
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"""Initializes the cfg object"""
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cfg.InitConfig(utils.HostInfo().name, constants.LOCALHOST_IP_ADDRESS, |
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None, '', 'aa:00:00', 'xenvg', |
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constants.DEFAULT_BRIDGE) |
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def _create_instance(self): |
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"""Create and return an instance object"""
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inst = objects.Instance(name="test.example.com", disks=[],
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disk_template=constants.DT_DISKLESS) |
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return inst
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def testEmpty(self): |
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"""Test instantiate config object"""
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self._get_object()
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def testInit(self): |
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"""Test initialize the config file"""
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cfg = self._get_object()
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self._init_cluster(cfg)
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self.failUnlessEqual(1, len(cfg.GetNodeList())) |
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self.failUnlessEqual(0, len(cfg.GetInstanceList())) |
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def testUpdateCluster(self): |
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"""Test updates on the cluster object"""
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cfg = self._get_object()
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# construct a fake cluster object
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fake_cl = objects.Cluster() |
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# fail if we didn't read the config
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self.failUnlessRaises(errors.ProgrammerError, cfg.Update, fake_cl)
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self._init_cluster(cfg)
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cl = cfg.GetClusterInfo() |
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# first pass, must not fail
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cfg.Update(cl) |
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# second pass, also must not fail (after the config has been written)
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cfg.Update(cl) |
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# but the fake_cl update should still fail
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self.failUnlessRaises(errors.ConfigurationError, cfg.Update, fake_cl)
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def testUpdateNode(self): |
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"""Test updates on one node object"""
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cfg = self._get_object()
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# construct a fake node
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fake_node = objects.Node() |
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# fail if we didn't read the config
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self.failUnlessRaises(errors.ProgrammerError, cfg.Update, fake_node)
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self._init_cluster(cfg)
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node = cfg.GetNodeInfo(cfg.GetNodeList()[0])
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# first pass, must not fail
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cfg.Update(node) |
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# second pass, also must not fail (after the config has been written)
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cfg.Update(node) |
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# but the fake_node update should still fail
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self.failUnlessRaises(errors.ConfigurationError, cfg.Update, fake_node)
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def testUpdateInstance(self): |
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"""Test updates on one instance object"""
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cfg = self._get_object()
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# construct a fake instance
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inst = self._create_instance()
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fake_instance = objects.Instance() |
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# fail if we didn't read the config
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self.failUnlessRaises(errors.ProgrammerError, cfg.Update, fake_instance)
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self._init_cluster(cfg)
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cfg.AddInstance(inst) |
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instance = cfg.GetInstanceInfo(cfg.GetInstanceList()[0])
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# first pass, must not fail
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cfg.Update(instance) |
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# second pass, also must not fail (after the config has been written)
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cfg.Update(instance) |
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# but the fake_instance update should still fail
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self.failUnlessRaises(errors.ConfigurationError, cfg.Update, fake_instance)
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if __name__ == '__main__': |
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unittest.main() |