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#!/usr/bin/python

#

# Copyright (C) 2012 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.jstore"""

import re

import unittest

import random

from ganeti import constants

from ganeti import utils

from ganeti import compat

from ganeti import errors

from ganeti import jstore

import testutils

class TestFormatJobID(testutils.GanetiTestCase):

  def test(self):

    self.assertEqual(jstore.FormatJobID(0), 0)

    self.assertEqual(jstore.FormatJobID(30498), 30498)

    self.assertEqual(jstore.FormatJobID(319472592764518609),

                     319472592764518609)

  def testErrors(self):

    for i in [-1, -2288, -9667, -0.205641, 0.0, 0.1, 13041.4472, "", "Hello",

              [], [1], {}]:

      self.assertRaises(errors.ProgrammerError, jstore.FormatJobID, i)

class TestGetArchiveDirectory(testutils.GanetiTestCase):

  def test(self):

    tests = [

      ("0", [0, 1, 3343, 9712, 9999]),

      ("1", [10000, 13188, 19999]),

      ("29", [290000, 296041, 298796, 299999]),

      ("30", [300000, 309384]),

      ]

    for (exp, job_ids) in tests:

      for job_id in job_ids:

        fmt_id = jstore.FormatJobID(job_id)

        self.assertEqual(jstore.GetArchiveDirectory(fmt_id), exp)

        self.assertEqual(jstore.ParseJobId(fmt_id), job_id)

  def testErrors(self):

    self.assertRaises(errors.ParameterError, jstore.GetArchiveDirectory, None)

    self.assertRaises(errors.ParameterError, jstore.GetArchiveDirectory, "foo")

class TestParseJobId(testutils.GanetiTestCase):

  def test(self):

    self.assertEqual(jstore.ParseJobId(29981), 29981)

    self.assertEqual(jstore.ParseJobId("12918"), 12918)

  def testErrors(self):

    self.assertRaises(errors.ParameterError, jstore.ParseJobId, "")

    self.assertRaises(errors.ParameterError, jstore.ParseJobId, "MXXI")

    self.assertRaises(errors.ParameterError, jstore.ParseJobId, [])

class TestReadNumericFile(testutils.GanetiTestCase):

  def testNonExistingFile(self):

    result = jstore._ReadNumericFile("/tmp/this/file/does/not/exist")

    self.assertTrue(result is None)

  def testValidFile(self):

    tmpfile = self._CreateTempFile()

    for (data, exp) in [("123", 123), ("0\n", 0)]:

      utils.WriteFile(tmpfile, data=data)

      result = jstore._ReadNumericFile(tmpfile)

      self.assertEqual(result, exp)

  def testInvalidContent(self):

    tmpfile = self._CreateTempFile()

    utils.WriteFile(tmpfile, data="{wrong content")

    self.assertRaises(errors.JobQueueError, jstore._ReadNumericFile, tmpfile)

if __name__ == "__main__":

  testutils.GanetiTestProgram()