code.grnet.gr Git - ganeti-local/blob - test/py/ganeti.bootstrap_unittest.py

   1 #!/usr/bin/python
   2 #
   3
   4 # Copyright (C) 2013 Google Inc.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21
  22 """Script for testing ganeti.bootstrap"""
  23
  24 import shutil
  25 import tempfile
  26 import unittest
  27
  28 from ganeti import bootstrap
  29 from ganeti import constants
  30 from ganeti import errors
  31 from ganeti import pathutils
  32
  33 import testutils
  34 import mock
  35
  36
  37 class TestPrepareFileStorage(unittest.TestCase):
  38   def setUp(self):
  39     unittest.TestCase.setUp(self)
  40     self.tmpdir = tempfile.mkdtemp()
  41
  42   def tearDown(self):
  43     shutil.rmtree(self.tmpdir)
  44
  45   def enableFileStorage(self, enable):
  46     self.enabled_disk_templates = []
  47     if enable:
  48       self.enabled_disk_templates.append(constants.DT_FILE)
  49     else:
  50       # anything != DT_FILE would do here
  51       self.enabled_disk_templates.append(constants.DT_DISKLESS)
  52
  53   def testFallBackToDefaultPathAcceptedFileStorageEnabled(self):
  54     expected_file_storage_dir = pathutils.DEFAULT_FILE_STORAGE_DIR
  55     acceptance_fn = mock.Mock()
  56     init_fn = mock.Mock(return_value=expected_file_storage_dir)
  57     self.enableFileStorage(True)
  58     file_storage_dir = bootstrap._PrepareFileStorage(
  59         self.enabled_disk_templates, None, acceptance_fn=acceptance_fn,
  60         init_fn=init_fn)
  61     self.assertEqual(expected_file_storage_dir, file_storage_dir)
  62     acceptance_fn.assert_called_with(expected_file_storage_dir)
  63     init_fn.assert_called_with(expected_file_storage_dir)
  64
  65   def testPathAcceptedFileStorageEnabled(self):
  66     acceptance_fn = mock.Mock()
  67     init_fn = mock.Mock(return_value=self.tmpdir)
  68     self.enableFileStorage(True)
  69     file_storage_dir = bootstrap._PrepareFileStorage(
  70         self.enabled_disk_templates, self.tmpdir, acceptance_fn=acceptance_fn,
  71         init_fn=init_fn)
  72     self.assertEqual(self.tmpdir, file_storage_dir)
  73     acceptance_fn.assert_called_with(self.tmpdir)
  74     init_fn.assert_called_with(self.tmpdir)
  75
  76   def testPathAcceptedFileStorageDisabled(self):
  77     acceptance_fn = mock.Mock()
  78     init_fn = mock.Mock()
  79     self.enableFileStorage(False)
  80     file_storage_dir = bootstrap._PrepareFileStorage(
  81         self.enabled_disk_templates, self.tmpdir, acceptance_fn=acceptance_fn,
  82         init_fn=init_fn)
  83     self.assertEqual(self.tmpdir, file_storage_dir)
  84     self.assertFalse(init_fn.called)
  85     self.assertFalse(acceptance_fn.called)
  86
  87   def testPathNotAccepted(self):
  88     acceptance_fn = mock.Mock()
  89     acceptance_fn.side_effect = errors.FileStoragePathError
  90     init_fn = mock.Mock()
  91     self.enableFileStorage(True)
  92     self.assertRaises(errors.OpPrereqError, bootstrap._PrepareFileStorage,
  93         self.enabled_disk_templates, self.tmpdir, acceptance_fn=acceptance_fn,
  94         init_fn=init_fn)
  95     acceptance_fn.assert_called_with(self.tmpdir)
  96
  97
  98 class TestInitCheckEnabledDiskTemplates(unittest.TestCase):
  99   def testValidTemplates(self):
 100     enabled_disk_templates = list(constants.DISK_TEMPLATES)
 101     bootstrap._InitCheckEnabledDiskTemplates(enabled_disk_templates)
 102
 103   def testInvalidTemplates(self):
 104     enabled_disk_templates = ["pinkbunny"]
 105     self.assertRaises(errors.OpPrereqError,
 106         bootstrap._InitCheckEnabledDiskTemplates, enabled_disk_templates)
 107
 108   def testEmptyTemplates(self):
 109     enabled_disk_templates = []
 110     self.assertRaises(errors.OpPrereqError,
 111         bootstrap._InitCheckEnabledDiskTemplates, enabled_disk_templates)
 112
 113
 114 if __name__ == "__main__":
 115   testutils.GanetiTestProgram()