test/py/ganeti.jstore_unittest.py

#!/usr/bin/python
#

# Copyright (C) 2012 Google Inc.
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"""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()