Synnefo » snf-ganeti

#!/usr/bin/python

#

# Copyright (C) 2006, 2007, 2008 Google Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty 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

# 0.0510-1301, USA.

"""Script for unittesting the objects module"""

import unittest

from ganeti import constants

from ganeti import objects

import testutils

class SimpleObject(objects.ConfigObject):

  __slots__ = ['a', 'b']

class TestDictState(unittest.TestCase):

  """Simple dict tansformation tests"""

  def testSimpleObjectToDict(self):

    o1 = SimpleObject(a='1')

    self.assertEquals(o1.ToDict(), {'a': '1'})

    self.assertEquals(o1.__getstate__(), {'a': '1'})

    self.assertEquals(o1.__getstate__(), o1.ToDict())

    o1.a = 2

    o1.b = 5

    self.assertEquals(o1.ToDict(), {'a': 2, 'b': 5})

    o2 = SimpleObject.FromDict(o1.ToDict())

    self.assertEquals(o1.ToDict(), {'a': 2, 'b': 5})

class TestClusterObject(unittest.TestCase):

  """Tests done on a L{objects.Cluster}"""

  def setUp(self):

    hvparams = {

      constants.HT_FAKE: {

        "foo": "bar",

        "bar": "foo",

        "foobar": "barfoo",

        },

      }

    os_hvp = {

      "lenny-image": {

        constants.HT_FAKE: {

          "foo": "baz",

          "foobar": "foobar",

          "blah": "blibb",

          "blubb": "blah",

          },

        constants.HT_XEN_PVM: {

          "root_path": "/dev/sda5",

          "foo": "foobar",

          },

        },

      "ubuntu-hardy": {

        },

      }

    self.fake_cl = objects.Cluster(hvparams=hvparams, os_hvp=os_hvp)

    self.fake_cl.UpgradeConfig()

  def testGetHVDefaults(self):

    cl = self.fake_cl

    self.failUnlessEqual(cl.GetHVDefaults(constants.HT_FAKE),

                         cl.hvparams[constants.HT_FAKE])

    self.failUnlessEqual(cl.GetHVDefaults(None), {})

    self.failUnlessEqual(cl.GetHVDefaults(constants.HT_XEN_PVM,

                                          os_name="lenny-image"),

                         cl.os_hvp["lenny-image"][constants.HT_XEN_PVM])

  def testFillHvFullMerge(self):

    inst_hvparams = {

      "blah": "blubb",

      }

    fake_dict = {

      "foo": "baz",

      "bar": "foo",

      "foobar": "foobar",

      "blah": "blubb",

      "blubb": "blah",

      }

    fake_inst = objects.Instance(name="foobar",

                                 os="lenny-image",

                                 hypervisor=constants.HT_FAKE,

                                 hvparams=inst_hvparams)

    self.assertEqual(fake_dict, self.fake_cl.FillHV(fake_inst))

  def testFillHvGlobalParams(self):

    fake_inst = objects.Instance(name="foobar",

                                 os="ubuntu-hardy",

                                 hypervisor=constants.HT_FAKE,

                                 hvparams={})

    self.assertEqual(self.fake_cl.hvparams[constants.HT_FAKE],

                     self.fake_cl.FillHV(fake_inst))

  def testFillHvInstParams(self):

    inst_hvparams = {

      "blah": "blubb",

      }

    fake_inst = objects.Instance(name="foobar",

                                 os="ubuntu-hardy",

                                 hypervisor=constants.HT_XEN_PVM,

                                 hvparams=inst_hvparams)

    self.assertEqual(inst_hvparams, self.fake_cl.FillHV(fake_inst))

  def testFillHvEmptyParams(self):

    fake_inst = objects.Instance(name="foobar",

                                 os="ubuntu-hardy",

                                 hypervisor=constants.HT_XEN_PVM,

                                 hvparams={})

    self.assertEqual({}, self.fake_cl.FillHV(fake_inst))

  def testFillHvPartialParams(self):

    os = "lenny-image"

    fake_inst = objects.Instance(name="foobar",

                                 os=os,

                                 hypervisor=constants.HT_XEN_PVM,

                                 hvparams={})

    self.assertEqual(self.fake_cl.os_hvp[os][constants.HT_XEN_PVM],

                     self.fake_cl.FillHV(fake_inst))

if __name__ == '__main__':

  testutils.GanetiTestProgram()