Synnefo » snf-ganeti

#!/usr/bin/python

#

# Copyright (C) 2010 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 testing ganeti.backend"""

import os

import sys

import unittest

from ganeti import utils

from ganeti import opcodes

import testutils

class TestOpcodes(unittest.TestCase):

  def test(self):

    self.assertRaises(ValueError, opcodes.OpCode.LoadOpCode, None)

    self.assertRaises(ValueError, opcodes.OpCode.LoadOpCode, "")

    self.assertRaises(ValueError, opcodes.OpCode.LoadOpCode, {})

    self.assertRaises(ValueError, opcodes.OpCode.LoadOpCode, {"OP_ID": ""})

    for cls in opcodes.OP_MAPPING.values():

      self.assert_(cls.OP_ID.startswith("OP_"))

      self.assertEqual(cls.OP_ID, cls.OP_ID.upper())

      self.assertRaises(TypeError, cls, unsupported_parameter="some value")

      args = [

        # No variables

        {},

        # Variables supported by all opcodes

        {"dry_run": False, "debug_level": 0, },

        # All variables

        dict([(name, False) for name in cls._all_slots()])

        ]

      for i in args:

        op = cls(**i)

        self.assertEqual(op.OP_ID, cls.OP_ID)

        self._checkSummary(op)

        # Try a restore

        state = op.__getstate__()

        self.assert_(isinstance(state, dict))

        restored = opcodes.OpCode.LoadOpCode(state)

        self.assert_(isinstance(restored, cls))

        self._checkSummary(restored)

  def _checkSummary(self, op):

    summary = op.Summary()

    if hasattr(op, "OP_DSC_FIELD"):

      self.assert_(("OP_%s" % summary).startswith("%s(" % op.OP_ID))

      self.assert_(summary.endswith(")"))

    else:

      self.assertEqual("OP_%s" % summary, op.OP_ID)

if __name__ == "__main__":

  testutils.GanetiTestProgram()