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

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(constants.BuildVersion(0, 0, 0) == 0)

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

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

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

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

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

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

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

    self.failUnless(constants.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()) ==

                    constants.LOGICAL_DISK_TYPES)

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

                    constants.DISK_TEMPLATES)

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.failUnlessEqual(len(constants.CONFD_MAGIC_FOURCC), 4,

                         "Invalid fourcc len, should be 4")

  def _IsUniqueSequence(self, sequence):

    seen = set()

    for member in sequence:

      if member in seen:

        return False

      seen.add(member)

    return True

  def testReqs(self):

    self.failUnless(self._IsUniqueSequence(constants.CONFD_REQS),

                    "Duplicated confd request code")

  def testReplStatuses(self):

    self.failUnless(self._IsUniqueSequence(constants.CONFD_REPL_STATUSES),

                    "Duplicated confd reply status code")

if __name__ == '__main__':

  testutils.GanetiTestProgram()