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

# 02110-1301, USA.

"""Script for unittesting the constants module"""

import unittest

import re

import itertools

from ganeti import constants

from ganeti import locking

from ganeti import utils

from ganeti.utils import version

import testutils

class TestConstants(unittest.TestCase):

  """Constants tests"""

  def testConfigVersion(self):

    self.failUnless(constants.CONFIG_MAJOR >= 0 and

                    constants.CONFIG_MAJOR <= 99)

    self.failUnless(constants.CONFIG_MINOR >= 0 and

                    constants.CONFIG_MINOR <= 99)

    self.failUnless(constants.CONFIG_REVISION >= 0 and

                    constants.CONFIG_REVISION <= 9999)

    self.failUnless(constants.CONFIG_VERSION >= 0 and

                    constants.CONFIG_VERSION <= 99999999)

    self.failUnless(version.BuildVersion(0, 0, 0) == 0)

    self.failUnless(version.BuildVersion(10, 10, 1010) == 10101010)

    self.failUnless(version.BuildVersion(12, 34, 5678) == 12345678)

    self.failUnless(version.BuildVersion(99, 99, 9999) == 99999999)

    self.failUnless(version.SplitVersion(00000000) == (0, 0, 0))

    self.failUnless(version.SplitVersion(10101010) == (10, 10, 1010))

    self.failUnless(version.SplitVersion(12345678) == (12, 34, 5678))

    self.failUnless(version.SplitVersion(99999999) == (99, 99, 9999))

    self.failUnless(version.SplitVersion(constants.CONFIG_VERSION) ==

                    (constants.CONFIG_MAJOR, constants.CONFIG_MINOR,

                     constants.CONFIG_REVISION))

  def testDiskStatus(self):

    self.failUnless(constants.LDS_OKAY < constants.LDS_UNKNOWN)

    self.failUnless(constants.LDS_UNKNOWN < constants.LDS_FAULTY)

  def testClockSkew(self):

    self.failUnless(constants.NODE_MAX_CLOCK_SKEW <

                    (0.8 * constants.CONFD_MAX_CLOCK_SKEW))

  def testSslCertExpiration(self):

    self.failUnless(constants.SSL_CERT_EXPIRATION_ERROR <

                    constants.SSL_CERT_EXPIRATION_WARN)

  def testOpCodePriority(self):

    self.failUnless(constants.OP_PRIO_LOWEST > constants.OP_PRIO_LOW)

    self.failUnless(constants.OP_PRIO_LOW > constants.OP_PRIO_NORMAL)

    self.failUnlessEqual(constants.OP_PRIO_NORMAL, locking._DEFAULT_PRIORITY)

    self.failUnlessEqual(constants.OP_PRIO_DEFAULT, locking._DEFAULT_PRIORITY)

    self.failUnless(constants.OP_PRIO_NORMAL > constants.OP_PRIO_HIGH)

    self.failUnless(constants.OP_PRIO_HIGH > constants.OP_PRIO_HIGHEST)

  def testDiskDefaults(self):

    self.failUnless(

        set(constants.DISK_LD_DEFAULTS.keys()) ==

        set(constants.DISK_TEMPLATES) - set([constants.DT_DISKLESS]))

    self.failUnless(set(constants.DISK_DT_DEFAULTS.keys()) ==

                    constants.DISK_TEMPLATES)

  def testJobStatus(self):

    self.assertFalse(constants.JOBS_PENDING & constants.JOBS_FINALIZED)

    self.assertFalse(constants.JOBS_PENDING - constants.JOB_STATUS_ALL)

    self.assertFalse(constants.JOBS_FINALIZED - constants.JOB_STATUS_ALL)

  def testDefaultsForAllHypervisors(self):

    self.assertEqual(frozenset(constants.HVC_DEFAULTS.keys()),

                     constants.HYPER_TYPES)

  def testDefaultHypervisor(self):

    self.assertTrue(constants.DEFAULT_ENABLED_HYPERVISOR in

                    constants.HYPER_TYPES)

class TestExportedNames(unittest.TestCase):

  _VALID_NAME_RE = re.compile(r"^[A-Z][A-Z0-9_]+$")

  _BUILTIN_NAME_RE = re.compile(r"^__\w+__$")

  _EXCEPTIONS = frozenset([

    "SplitVersion",

    "BuildVersion",

    ])

  def test(self):

    wrong = \

      set(itertools.ifilterfalse(self._BUILTIN_NAME_RE.match,

            itertools.ifilterfalse(self._VALID_NAME_RE.match,

                                   dir(constants))))

    wrong -= self._EXCEPTIONS

    self.assertFalse(wrong,

                     msg=("Invalid names exported from constants module: %s" %

                          utils.CommaJoin(sorted(wrong))))

class TestParameterNames(unittest.TestCase):

  """HV/BE parameter tests"""

  VALID_NAME = re.compile("^[a-zA-Z_][a-zA-Z0-9_]*$")

  def testNoDashes(self):

    for kind, source in [("hypervisor", constants.HVS_PARAMETER_TYPES),

                         ("backend", constants.BES_PARAMETER_TYPES),

                         ("nic", constants.NICS_PARAMETER_TYPES),

                         ("instdisk", constants.IDISK_PARAMS_TYPES),

                         ("instnic", constants.INIC_PARAMS_TYPES),

                        ]:

      for key in source:

        self.failUnless(self.VALID_NAME.match(key),

                        "The %s parameter '%s' contains invalid characters" %

                        (kind, key))

class TestConfdConstants(unittest.TestCase):

  """Test the confd constants"""

  def testFourCc(self):

    self.assertEqual(len(constants.CONFD_MAGIC_FOURCC), 4,

                     msg="Invalid fourcc len, should be 4")

  def testReqs(self):

    self.assertFalse(utils.FindDuplicates(constants.CONFD_REQS),

                     msg="Duplicated confd request code")

  def testReplStatuses(self):

    self.assertFalse(utils.FindDuplicates(constants.CONFD_REPL_STATUSES),

                     msg="Duplicated confd reply status code")

class TestDiskTemplateConstants(unittest.TestCase):

  def testPreference(self):

    self.assertEqual(set(constants.DISK_TEMPLATE_PREFERENCE),

                     set(constants.DISK_TEMPLATES))

  def testMapToStorageTypes(self):

    for disk_template in constants.DISK_TEMPLATES:

      self.assertTrue(

          constants.MAP_DISK_TEMPLATE_STORAGE_TYPE[disk_template] is not None)

  def testLvmDiskTemplates(self):

    lvm_by_storage_type = [

        dt for dt in constants.DISK_TEMPLATES

        if constants.ST_LVM_VG == constants.MAP_DISK_TEMPLATE_STORAGE_TYPE[dt]]

    self.assertEqual(set(lvm_by_storage_type), set(constants.DTS_LVM))

if __name__ == "__main__":

  testutils.GanetiTestProgram()