#!/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 serializer module"""


import unittest

from ganeti import serializer
from ganeti import errors

import testutils


class TestSerializer(testutils.GanetiTestCase):
  """Serializer tests"""

  _TESTDATA = [
    "test",
    255,
    [1, 2, 3],
    (1, 2, 3),
    { "1": 2, "foo": "bar", },
    ["abc", 1, 2, 3, 999,
      {
        "a1": ("Hello", "World"),
        "a2": "This is only a test",
        "a3": None,
        },
      {
        "foo": "bar",
        },
      ]
    ]

  def _TestSerializer(self, dump_fn, load_fn):
    for indent in [True, False]:
      for data in self._TESTDATA:
        self.failUnless(dump_fn(data, indent=indent).endswith("\n"))
        self.assertEqualValues(load_fn(dump_fn(data, indent=indent)), data)

  def testGeneric(self):
    self._TestSerializer(serializer.Dump, serializer.Load)

  def testJson(self):
    self._TestSerializer(serializer.DumpJson, serializer.LoadJson)

  def testSignedMessage(self):
    LoadSigned = serializer.LoadSigned
    DumpSigned = serializer.DumpSigned

    for data in self._TESTDATA:
      self.assertEqualValues(LoadSigned(DumpSigned(data, "mykey"), "mykey"),
                             (data, ''))
      self.assertEqualValues(LoadSigned(DumpSigned(data, "myprivatekey",
                                                   salt="mysalt"),
                                        "myprivatekey"),
                             (data, "mysalt"))

      keydict = {"mykey_id": "myprivatekey"}
      self.assertEqualValues(LoadSigned(DumpSigned(data,
                                                   "myprivatekey",
                                                   salt="mysalt",
                                                   key_selector="mykey_id"),
                                        keydict.get),
                             (data, "mysalt"))

    self.assertRaises(errors.SignatureError, serializer.LoadSigned,
                      serializer.DumpSigned("test", "myprivatekey"),
                      "myotherkey")


if __name__ == '__main__':
  testutils.GanetiTestProgram()